CN107253426B - The manufacturing method of tire and tire - Google Patents

The manufacturing method of tire and tire Download PDF

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Publication number
CN107253426B
CN107253426B CN201710233346.XA CN201710233346A CN107253426B CN 107253426 B CN107253426 B CN 107253426B CN 201710233346 A CN201710233346 A CN 201710233346A CN 107253426 B CN107253426 B CN 107253426B
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CN
China
Prior art keywords
thermoplastic
tire
resin material
elastomer
tpe
Prior art date
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Active
Application number
CN201710233346.XA
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Chinese (zh)
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CN107253426A (en
Inventor
笔本启之
原田高志
河野好秀
今誓志
长谷川圭一
饭塚宗纪
八子贵之
町田邦郎
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Bridgestone Corp
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Bridgestone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2010188919A external-priority patent/JP5993545B2/en
Priority claimed from JP2010188918A external-priority patent/JP5778402B2/en
Priority claimed from JP2010188902A external-priority patent/JP5901105B2/en
Priority claimed from JP2010188922A external-priority patent/JP5778403B2/en
Priority claimed from JP2010188900A external-priority patent/JP5604226B2/en
Priority claimed from JP2010188903A external-priority patent/JP5701542B2/en
Priority claimed from JP2010188923A external-priority patent/JP5971889B2/en
Priority claimed from JP2010188901A external-priority patent/JP5551020B2/en
Priority claimed from JP2010203732A external-priority patent/JP5788654B2/en
Priority claimed from JP2010203676A external-priority patent/JP5758097B2/en
Priority claimed from JP2010258041A external-priority patent/JP6095882B2/en
Application filed by Bridgestone Corp filed Critical Bridgestone Corp
Publication of CN107253426A publication Critical patent/CN107253426A/en
Application granted granted Critical
Publication of CN107253426B publication Critical patent/CN107253426B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0678—Injection moulding specially adapted for tyres or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B60C1/0041—Compositions of the carcass layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/04—Bead cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/007—Inflatable pneumatic tyres or inner tubes made from other material than rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/01—Inflatable pneumatic tyres or inner tubes without substantial cord reinforcement, e.g. cordless tyres, cast tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D2030/086—Building the tyre carcass by combining two or more sub-assemblies, e.g. two half-carcasses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2019/00—Use of rubber not provided for in a single one of main groups B29K2007/00 - B29K2011/00, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0046—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0077—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/04—Bead cores
    • B60C2015/042—Bead cores characterised by the material of the core, e.g. alloy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube

Abstract

The present invention provides the manufacturing method of a kind of tire and tire, the tire, which at least has, to be formed by thermoplastic resin material and is cricoid tyre framework body, there is the reinforcement cord component for forming reinforcing cord layer in the peripheral part of the tyre framework body, and the thermoplastic resin material includes at least Thermoplastic polyamide elastomer.

Description

The manufacturing method of tire and tire
The application be the applying date be August in 2011 25, application No. is 201180051358.1, entitled tire, And the divisional application of the application of the manufacturing method of tire.
Technical field
The present invention relates to the tires being installed on wheel rim, more particularly to the wheel that at least part is formed by thermoplastic material Tire and its manufacturing method.
Background technique
In the past, the vehicles such as car were usually using the pneumatic tire being made of rubber, organic fibrous material, wire members etc..
In recent years, it from the aspect of lighting, being easy molding, being easy to recycling, is studying using resin material, especially Thermoplastic resin or thermoplastic elastomer (TPE) etc. are used as tire material.
For example, disclosing useful heat in Japanese Unexamined Patent Publication 2003-104008 bulletin and Japanese Unexamined Patent Publication 03-143701 bulletin Pneumatic tire obtained from plastic macromolecule material is formed.
Tire half in Japanese Unexamined Patent Publication 03-143701 bulletin, in the tyre surface bottom of tire body (tyre framework body) Outside diameter direction, cord will be reinforced along tire circumferential direction continuously spirally enhancement layer made of winding by being equipped with, and can be improved The resistance to incised wound of tire body, puncture.
Summary of the invention
Problems to be solved by the invention
Using the tire of thermoplastic macromolecule material compared with the previous tire of rubber system, manufacture be easy and for it is low at This.However, there is no the stiffeners such as interior dress casingply in tyre framework body and by uniform thermoplastic macromolecule material shape Cheng Shi, compared with the previous tire of rubber system proof stress, in terms of on also there is room for improvement (for example, with reference to Japanese Unexamined Patent Publication 2003-104008 bulletin).
In addition, previous rubber system tire is difficult to recycle, the paveio(u)r etc. of road is burned or is used for after broken, then It is restricted using purposes.In contrast, having purposes using the tire of thermoplastic macromolecule material in the viewpoint of recycling The high advantage of freedom degree.
Wheel in the Japanese Unexamined Patent Publication 03-143701 bulletin, in the tyre surface bottom of tire body (tyre framework body) Outside tire radial direction, cord will be reinforced along tire circumferential direction continuously spirally enhancement layer made of winding by being equipped with, can Improve resistance to incised wound, the puncture of tire body.However, will in the tyre framework body formed by thermoplastic macromolecule material Reinforce cord directly spirally wind and formed enhancement layer and the radial outside of enhancement layer formed tyre surface when, even if plus Strong cord can not say that cementability is abundant using bonding agent, reinforce residual air around cord sometimes.In this way, when reinforcing curtain When surrounding's residual air of line, there are also cord is reinforced when driving, there is a situation where move to peeling-off between component, from tire Durability from the viewpoint of there are also room for improvement.In addition, due to reinforcing cord periphery all by buffering adhesive (cushion Gum it) covers, it is therefore, different with the hardness of cord peripheral portion material is reinforced in tire body, therefore occur there are also cord etc. is reinforced The case where removing.
In addition, when using thermoplastic macromolecule material manufacture tire, it is desirable that improve manufacture efficiency to realize low cost simultaneously And realize performance (the requirement characteristic of tire) not a halfpenny the worse compared with previous rubber system tire.For example, using thermoplasticity When raw material of the resin material as tyre framework body, consider from viewpoints such as manufacture efficiencies, it is intended to such as the Japanese Unexamined Patent Publication 03- High molecular material is injected in a mold to form tyre framework body by injection moulding as recording in No. 143701 bulletins.Cause This, as the thermoplastic macromolecule material, it is generally desirable to select operability (system when durability and the molding when being made tire The property made) etc. excellent material (following 1,3,4,7th~13 viewpoints of the invention).
In addition, for example, it is desirable that tire to impact have stronger patience, and even with thermoplastic macromolecule material at The tire of type also requires the same above impact resistance of the tire for having rubber with previous use (following of the invention 2 Viewpoint).
In addition, the requirement characteristic as the tire, for example, there is a certain range of elasticity modulus, at 30 DEG C, 20Hz, the mechanical loss coefficient under the conditions of shear strain 1% (roll coefficient: Tan δ (hereinafter sometimes referred to simply as " Tan δ ".) low, And excellent heat resistance etc. respectively becomes important one of characteristic.However, low Tan δization and high elastic modulus in high molecular material The usually relationship that the two cannot combine.Therefore, it is desirable to which it is (following to develop the tire that can have both these characteristics with high level 5th viewpoint of the invention).
In addition, on the other hand, in tire being possible to that the charging property of surface of tyre can be made into one using thermoplastic resin material Step improves.Tire electrification, which can become, occurs the main reason for electric discharge, fine dust etc. adhere to surface of tyre, therefore, it is intended that mentioning Although can not also provide at present for using thermoplastic resin material but the superior tire of antistatic effect, (following 6 are seen Point).
The present invention is completed in view of above-mentioned various situations.
The purpose of 1st viewpoint of the invention is, provide formed using thermoplastic macromolecule material and durability and The excellent tire of manufacturing.
The purpose of 2nd viewpoint of the invention is, provide formed using thermoplastic macromolecule material and durability, The tire of manufacturing and excellent impact resistance.
The purpose of 3rd viewpoint of the invention is, provides using thermoplastic resin material formation and tensile elasticity and breaks The manufacturing method of the excellent tire of fragility and the tire.
The purpose of 4th viewpoint of the invention is, provides excellent simultaneously using thermoplastic resin material formation, control stability And the tire that rolling resistance is small.
The purpose of 5th viewpoint of the invention is, provides formed using thermoplastic macromolecule material, high resiliency and damages Consume coefficient it is low, and then excellent heat resistance tire.
The purpose of 6th viewpoint of the invention is, provides excellent using thermoplastic resin material formation, antistatic effect Tire.
The purpose of 7th viewpoint of the invention is, provides using thermoplastic resin material formation and even if elasticity modulus Increase the tire that also can inhibit rolling resistance increase.
The purpose of 8th viewpoint of the invention is, provides elasticity being formed using resin material, that preferred scope can be obtained Modulus and the tire that rolling resistance can be inhibited to increase.
The purpose of 9th viewpoint of the invention is, provides being formed using resin material and impact resistance can be made to mention High tire.
The purpose of 10th viewpoint of the invention is, provides and is formed using thermoplastic resin material, can inhibit air residual Reinforcing cord component peripheral portion and durability when driving is high, tire that do not influence vulnerable to temperature change.
The purpose of 11st viewpoint of the invention is, provides and is formed using thermoplastic resin material and impact resistance is excellent The tire of temperature dependency that is different, can inhibit tensile yield strength.
The purpose of 12nd viewpoint of the invention is, provide formed using thermoplastic resin material and impact resistance and The manufacturing method of the excellent tire of breaking property and the excellent tire of productivity.
The purpose of 13rd viewpoint of the invention is, provides and is formed using thermoplastic resin material, can inhibit air residual In the tire for reinforcing cord peripheral portion, excellent impact resistance.
The solution to the problem
Scheme for solving the project of the 1st viewpoint is as described below.
The tire of the invention of (1-1) the 1st viewpoint is that at least have to be formed by thermoplastic resin material and be cricoid wheel The tire of tire bone frame body has the reinforcement cord component for forming reinforcing cord layer in the peripheral part of the tyre framework body, and The thermoplastic resin material includes at least Thermoplastic polyamide elastomer.
The reinforcing cord layer can also intersect volume along the circumferential direction wound on the peripheral part of the tyre framework body It is wound on peripheral part.
The tire of the invention of 1st viewpoint has by the thermoplastic resin material shape comprising Thermoplastic polyamide elastomer At cricoid tyre framework body.Here, so-called " Thermoplastic polyamide elastomer " refers to and constitutes crystallinity and molten by having The copolymer shape of the polymer of the polymer of the high hard segment of the point soft chain segment low with composition amorphism and glass transition temperature At thermoplastic resin material, wherein constitute on the main chain of the polymer of hard segment have amido bond (- CONH-).In addition, " heat Plastic resin " refers to thermoplastic resin, does not include the vulcanized rubbers such as previous natural rubber, synthetic rubber.It is using In the case that Thermoplastic polyamide elastomer is as the material for forming tyre framework body, have with heat resistance and tensile elasticity Modulus, tensile strength and the excellent advantage of breaking strain.Moreover, if by the thermoplasticity comprising Thermoplastic polyamide elastomer Resin material is used for tyre framework body, then can simplify the structure of tire compared with previous rubber system tire, and wheel as a result can be achieved The lighting of tire.Therefore, abrasion resistence, the durability of tire can be improved when being formed as tyre framework body.It in turn, include polyamides The thermoplastic resin material of amine system thermoplastic elastomer (TPE) is easily operated because that can be set in fusing point near 100 DEG C~250 DEG C, It can inhibit energy consumption when forming tire skeleton body, productivity can be improved.
One mode of the tire of the invention of the 1st viewpoint is, by the thermoplastic comprising Thermoplastic polyamide elastomer Property resin material formed tyre framework body peripheral part winding reinforce cord component and form reinforcing cord layer.If in tire The peripheral part of skeleton body forms reinforcing cord layer, then puncture, resistance to incised wound property and the tire (tyre framework of tire can be improved Body) circumferencial direction rigidity.It should be noted that can inhibit by improving circumferencial direction rigidity by thermoplastic resin material shape At tyre framework body creep (the phenomenon that plastic deformation of tyre framework body increases over time under certain stress).
In addition, for Thermoplastic polyamide elastomer, since its melt viscosity is low, not only reinforcing curtain It is easy to be impregnated between the fiber of line components itself, and in the case where reinforcing twisted construction of the cord component for fiber in twisting curtain It is also easy to be impregnated between line.Therefore, high to the adaptation for reinforcing cord component, and the fixed performances such as heat seal strength are excellent.In addition, In the case where reinforcing cord component is organic fiber, since the Thermoplastic polyamide elastomer for forming tyre framework body is fusible It is connected to and reinforces cord component, therefore weldability is high and fixed performance is excellent.And then because of the elongation of Thermoplastic polyamide elastomer Rate is excellent and breaking property is excellent.Thus, for example, air can be inhibited to remain in reinforcement in the rolling step for reinforcing cord component The phenomenon that surrounding of cord component (air entrance).If to adaptation and the weldability height for reinforcing cord and can inhibit sky Gas, which enters, reinforces cord component periphery, then can effectively inhibit by input power when driving etc. and cause to reinforce cord component It is mobile.As a result, for example, even tire is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body The case where member of formation, also can inhibit and reinforce the movement of cord component, therefore, can inhibit between these components (including tyre framework body) It is peeling-off etc., to improve the durability of tire.
(1-2), can be in such a way that the reinforcing cord layer includes resin material for the tire of the invention of the 1st viewpoint It constitutes.If reinforcing cord layer includes resin material like this, compared with fixing the case where reinforcing cord component with buffering adhesive The difference of the hardness of tire and reinforcing cord layer can be made small, therefore will can further reinforce that cord component is closely sealed is fixed on wheel On tire bone frame body.Enter thus, it is possible to be effectively prevented above-mentioned air, reinforcement cord component when driving can be effectively inhibited It is mobile.In turn, in the case where reinforcing cord component is all-steel cord, in tire processing if it is intended to postponing cord is reinforced It rushes on glue and separates, then only heating is difficult to separate vulcanized rubber with cord is reinforced, in contrast, only heating can make resin material It is separated with cord component is reinforced.Therefore, it is advantageous in terms of the recycling property of tire.In addition, resin material is usually than vulcanization The loss factor (Tan δ) of rubber is low.Therefore, if reinforcing cord layer includes many resin materials, the rolling of tire can be improved Dynamic property.When in turn, having inplane shear rigidity big, tire running with the higher resin material of vulcanized rubber resilience in comparison modular ratio Control stability, abrasion resistence also excellent advantage.
In the 1st viewpoint of the invention, in the case where being only expressed as " resin ", " resin " is comprising thermoplastic resin (packet Containing thermoplastic elastomer (TPE)) and thermosetting resin concept, do not include vulcanized rubber.
In the case where the reinforcing cord layer includes resin material, from the extractable (extraction difficulty) for improving reinforcement cord From the viewpoint of, the reinforcement cord component preferably its 20% or more surface covered by resin material, further preferred 50% with It is upper capped.In addition, for the content of the resin material in the reinforcing cord layer, from the sight for the extractable for improving reinforcement cord Point consider, relative to remove reinforce cord after composition reinforcing cord layer material total amount, preferably 20 mass % or more, into One step is preferably 50 mass % or more.
It when being constituted reinforcing cord layer in a manner of comprising resin material, can be constituted as got off, for example, from along wheel tire bone When the section observation of the axis direction of frame body, at least part reinforces cord component and is embedded in be formed by thermoplastic resin material The peripheral part of tyre framework body.At this moment, be embedded with the tyre framework outer circumferential portion for reinforcing cord component includes polyamide-based heat The thermoplastic resin material of thermoplastic elastic is equivalent to the resin material for constituting reinforcing cord layer, by the poly- of formation tyre framework body Amide based thermoplastic elastomer (thermoplastic resin material) and reinforcement cord component constitute the reinforcing cord layer.In addition, so that When reinforcing cord layer includes that the mode of resin material is constituted, use and shape can also be wound along the circumferencial direction of the tyre framework body Reinforce cord at the resin material of the resin material identical type of the tyre framework body or the covering of different types of resin material Obtained from covering cord component.The identical type of resin material refers between ester system, the forms such as between polystyrene.
(1-3), can be so that described includes Thermoplastic polyamide elastomer for the tire of the invention of the 1st viewpoint The fusing point of thermoplastic resin material is that 100 DEG C~250 DEG C of mode is constituted.By will described include like this polyamide-based heat The fusing point of the thermoplastic resin material of thermoplastic elastic is set as 100 DEG C~250 DEG C, can have both as the durable of tyre performance Property and from reduce manufacturing cost from the viewpoint of manufacturing.
(1-4), can be so that polyamide-based in the thermoplastic resin material for the tire of the invention of the 1st viewpoint The containing ratio of thermoplastic elastomer (TPE) is the mode of 50~100 mass % to constitute.If the polyamide in thermoplastic resin material The containing ratio of based thermoplastic elastomer is 50~100 mass %, then can give full play to Thermoplastic polyamide elastomer has Performance, can have both as tyre performance durability and from operability, reduce manufacturing cost from the viewpoint of manufacturing.
The tire of the invention of 1st viewpoint can be manufactured by manufacturing method below, and the manufacturing method is at least wrapped Include following process: tyre framework piece formation process utilizes the thermoplastic resin material shape comprising Thermoplastic polyamide elastomer At the tyre framework piece of a part for constituting cricoid tyre framework body；Tyre framework chip bonding process, to the tyre framework The joint surface of piece applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the tyre framework body；Add Strong cord component rolling step along the circumferential direction winds in the peripheral part of the tyre framework body and reinforces cord component to be formed Reinforcing cord layer.
In the manufacturing method, formed using the thermoplastic resin material comprising Thermoplastic polyamide elastomer cricoid The tyre framework piece of tyre framework body.Since the fusing point of Thermoplastic polyamide elastomer can be set in 100~250 DEG C of left sides The right side, therefore, it may not be necessary to implement the fusion bonding process of tyre framework piece and at relatively low temperatures reality at such as 300 DEG C or more Apply fusion bonding process.Since fusion bonding process can be implemented at relatively low temperatures in this way, in viewpoints such as capacity usage ratios On, the productivity of tire can be improved.In addition, using the wheel of the thermoplastic resin material comprising Thermoplastic polyamide elastomer When tire matrix tablet carries out welding and forms tyre framework body, the adhesive strength between tyre framework piece is abundant, in addition, will not be because molten Temperature when connecing and cause the performance of skeleton body itself to deteriorate, it is thus possible to improve the puncture of manufactured tire, antifriction The durability when driving such as consumption.
In the manufacturing method, can in the tyre framework chip bonding process by the engagement of the tyre framework piece Face is heated to side of the fusing point for constituting the thermoplastic resin material of tyre framework piece or more (for example,+10 DEG C~+150 DEG C of fusing point) Formula is constituted.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
Scheme for solving the project of the 2nd viewpoint is as described below.
The tire of the invention of (2-1) the 2nd viewpoint is that at least have the cricoid tire formed by thermoplastic resin material The tire of skeleton body has the reinforcement cord component for forming reinforcing cord layer, and institute in the peripheral part of the tyre framework body Other than thermoplastic resin material is stated including at least Thermoplastic polyamide elastomer and the Thermoplastic polyamide elastomer Other elastomers (hereinafter, in the 2nd embodiment of the invention, referred to as " other elastomers ").
The reinforcing cord layer can also intersect volume along the circumferential direction wound on the peripheral part of the tyre framework body It is wound on peripheral part.
The tire of the invention of 2nd viewpoint has by the thermoplastic comprising Thermoplastic polyamide elastomer and other elastomers Property resin material formed cricoid tyre framework body.Here, the sheet of " Thermoplastic polyamide elastomer " and above-mentioned 1st viewpoint The meaning of invention is identical.
In addition, other elastomers refer to by have constitute crystallinity and fusing point it is high hard segment or cohesive force it is high The heat that the copolymer of the polymer of the polymer of the hard segment soft chain segment low with composition amorphism and glass transition temperature is formed Plastic resin material, the polymer for constituting hard segment is the polymerization having other than the polyamide of amido bond (- CONH-) on main chain Object, for example, the polyurethane series thermoplastic elastomer (TPE) as obtained from making carbamate, styrene, alkene, polyester, poly- Olefin series thermoplastic elastomer (the copolymerization comprising alkene such as alkene-methacrylic acid copolymer, olefin-acrylate copolymers Object) and polystyrene thermoplastic elastomer (TPE), Polyester thermoplastic elastomer (TPE) etc..Thermoplastic resin in the present invention of 2nd viewpoint Rouge is identical as the meaning of the invention of above-mentioned 1st viewpoint.Thermoplastic comprising Thermoplastic polyamide elastomer and other elastomers Property resin material there is heat resistance, and tensile modulus of elasticity, tensile strength and breaking strain are excellent, moreover, if will include The thermoplastic resin material of Thermoplastic polyamide elastomer and other elastomers be used for tyre framework body, then with previous rubber Ratch tire compares the structure that can simplify tire, and the lighting of tire as a result can be achieved.Therefore, tyre framework body Shi Keti is being formed The abrasion resistence of high tire, durability.On the other hand, in the case where Thermoplastic polyamide elastomer is used alone, thinking When adjusting its elasticity modulus, need to control the ratio of hard segment and soft chain segment.In contrast, and if with polyamide-based thermoplastic Property elastomer and other elastomers, then by both adjusting containing than and Thermoplastic polyamide elastomer being used alone Situation is compared, and the elasticity modulus of thermoplastic resin material can be easily adjusted.It therefore, can be easily by thermoplastic resin material The elasticity modulus of material is set in desired range, and therefore, manufacturing cost is excellent, and can easily improve impact resistance.
One mode of the tire of the invention of the 2nd viewpoint is, by including Thermoplastic polyamide elastomer and other The peripheral part winding for the tyre framework body that the thermoplastic resin material of elastomer is formed reinforces cord component and forms reinforcement cord Layer.If the peripheral part in tyre framework body forms reinforcing cord layer, can be improved the puncture of tire, resistance to incised wound property and The circumferencial direction rigidity of tire (tyre framework body).It should be noted that can inhibit by improving circumferencial direction rigidity by thermoplastic Property the material creep of tyre framework body that is formed (plastic deformation of tyre framework body increases over time under certain stress The phenomenon that).
In addition, for Thermoplastic polyamide elastomer, since its melt viscosity is low, not only reinforcing curtain It is easy to be impregnated between the fiber of line components itself, and in the case where reinforcing twisted construction of the cord component for fiber in twisting curtain It is also easy to be impregnated between line.Therefore, high to the adaptation for reinforcing cord component, and the fixed performances such as heat seal strength are excellent.In addition, In the case where reinforcing cord component is organic fiber, since the Thermoplastic polyamide elastomer for forming tyre framework body is fusible It is connected to and reinforces cord component, therefore weldability is high and fixed performance is excellent.And then because of the elongation of Thermoplastic polyamide elastomer Rate is excellent, thus breaking property is excellent.Therefore, if using the thermoplastic comprising Thermoplastic polyamide elastomer and other elastomers Property resin material, then for example reinforce cord component rolling step in can inhibit air remain in reinforce cord component week The phenomenon that enclosing (air entrance).If high to the adaptation and weldability of reinforcing cord and can inhibit air and enter reinforcement curtain Line components periphery can then effectively inhibit by input power when driving etc. and cause to reinforce cord component mobile.Example as a result, Such as, even the feelings of tire member of formation are arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body Condition, also can inhibit that reinforce cord component mobile, therefore, can inhibit it is peeling-off etc. (comprising tyre framework body) between these components, To improve the durability of tire.
(2-2), can be in such a way that the reinforcing cord layer includes resin material for the tire of the invention of the 2nd viewpoint To constitute.If including like this resin material in reinforcing cord layer, the case where reinforcing cord component is fixed with buffering adhesive Difference compared to the hardness that can make tire and reinforcing cord layer is small, therefore will can further reinforce the closely sealed fixation of cord component In tyre framework body.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce cord when driving Component is mobile.In turn, in the case where reinforcing cord component is all-steel cord, in tire processing if it is intended to cord will be reinforced It is separated from buffering adhesive, then only heating is difficult to separate vulcanized rubber with cord is reinforced, in contrast, only heating can make resin Material is separated with cord component is reinforced.Therefore, it is advantageous in terms of the recycling property of tire.In addition, resin material usually compares The loss factor (Tan δ) of vulcanized rubber is low.Therefore, if reinforcing cord layer includes many resin materials, tire can be improved Rollability.In turn, there is the rigid big, tire running of inplane shear with the higher resin material of vulcanized rubber resilience in comparison modular ratio When control stability, abrasion resistence also excellent advantage.
Here, in the case where being only expressed as " resin ", " resin " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
In the case where including resin material in the reinforcing cord layer, (hardly possible is extracted out from the extractable for reinforcing cord is improved Degree) from the viewpoint of, the reinforcement cord component preferably its 20% or more surface is covered by resin material, and further preferred 50% It is above capped.In addition, for the content of the resin material in the reinforcing cord layer, from the extractable for improving reinforcement cord Viewpoint consider, relative to remove reinforce cord after composition reinforcing cord layer material total amount, preferably 20 mass % or more, Further preferably 50 mass % or more.
It when being constituted reinforcing cord layer in a manner of comprising resin material, can be formed as got off, for example, from along wheel tire bone When the section observation of the axis direction of frame body, at least part reinforces cord component and is embedded in be formed by thermoplastic resin material The peripheral part of tyre framework body.At this moment, be embedded with the tyre framework outer circumferential portion for reinforcing cord component includes polyamide-based heat The thermoplastic resin material of thermoplastic elastic and other elastomers is equivalent to the resin material for constituting reinforcing cord layer, by forming wheel The Thermoplastic polyamide elastomer (thermoplastic resin material) and reinforcement cord component of tire bone frame body constitute the reinforcement cord Layer.In addition, when being constituted in such a way that reinforcing cord layer includes resin material, it can also be along the circumferencial direction of the tyre framework body The resin material of resin material identical type of the winding with the formation tyre framework body or other resin material coverings add Covering cord component obtained from strong cord.The identical type of resin material refers between ester system, the forms such as between polystyrene.
(2-3), can be so that polyamide-based heat described in the thermoplastic resin for the tire of the invention of the 2nd viewpoint Thermoplastic elastic (x) and the mass ratio (x:y) of other elastomers (y) are the mode of 95:5~60:40 to constitute.Pass through picture The mass ratio (x:y) of the Thermoplastic polyamide elastomer (x) He other elastomers (y) is set as 95:5~60 in this way: 40, it can easily have both the impact resistance of the weldability and tire of reinforcing cord component and tyre framework body.
(2-4) can be selected from polyurethane series thermoplastic with other elastomers for the tire of the invention of the 2nd viewpoint In property elastomer, polyolefin thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE) and Polyester thermoplastic elastomer (TPE) Any mode is constituted.If other elastomers in thermoplastic resin material are selected from polyurethane series thermoplastic elastomehc Any in property body, polyolefin thermoplastic elastomer (TPE) and polystyrene thermoplastic elastomer (TPE), Polyester thermoplastic elastomer (TPE) Kind, then it can easily have both the durable of tire while giving full play to the performance that Thermoplastic polyamide elastomer has Property and impact.
The tire of the invention of 2nd viewpoint can be manufactured by manufacturing method below, and the manufacturing method is at least wrapped Include following process: tyre framework piece formation process utilizes the thermoplastic comprising Thermoplastic polyamide elastomer and other elastomers Property resin material form the tyre framework piece for constituting a part of cricoid tyre framework body；Tyre framework chip bonding process is right The joint surface of the tyre framework piece applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the wheel Tire bone frame body；Reinforce cord component rolling step, is along the circumferential direction wound in the peripheral part of the tyre framework body and reinforce cord Component is to form reinforcing cord layer.
In the manufacturing method, the thermoplastic resin comprising Thermoplastic polyamide elastomer and other elastomers can use Rouge material forms the tyre framework piece of cricoid tyre framework body.Due to that the fusing point of Thermoplastic polyamide elastomer can be set Be scheduled on 100~250 DEG C or so, therefore, it may not be necessary to such as 300 DEG C or more implement tyre framework piece fusion bonding process and Implement fusion bonding process at a temperature of relatively low.Since fusion bonding process can be implemented at relatively low temperatures in this way, can To prevent that the productivity of tire can be improved in the viewpoints such as resin deterioration, capacity usage ratio.In addition, using comprising polyamide-based The tyre framework piece of the thermoplastic resin material of thermoplastic elastomer (TPE) and other elastomers forms tyre framework carrying out welding When body, the adhesive strength between tyre framework piece is abundant, in addition, will not lead to the property of skeleton body itself due to temperature when welding It can deteriorate, it is thus possible to improve the durability when driving such as the puncture of manufactured tire, abrasion resistence.
In the manufacturing method, can in the tyre framework chip bonding process by the engagement of the tyre framework piece Face is heated to side of the fusing point for constituting the thermoplastic resin material of tyre framework piece or more (for example,+10 DEG C~+150 DEG C of fusing point) Formula is constituted.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
Scheme for solving the project of the 3rd viewpoint is as described below.
The tire of the invention of (3-1) the 3rd viewpoint is that at least have to be formed by thermoplastic resin material and be cricoid wheel The tire of tire bone frame body, the thermoplastic resin material includes: Thermoplastic polyamide elastomer；With to the polyamide-based heat Thermoplastic elastomer (TPE) other than thermoplastic elastic carries out acid modified elastomer or the polyamide-based thermoplastic obtained from acid is modified Property elastomer other than thermoplastic elastomer (TPE) and to the elastomer carry out acid it is modified obtained from acid modified elastomer mixture.
That is, the tire of the invention of the 3rd viewpoint has the cricoid wheel tire bone formed by specific thermoplastic resin material Frame body, the specific thermoplastic resin material include at least: 1) Thermoplastic polyamide elastomer and to polyamide-based thermoplasticity Thermoplastic elastomer (TPE) other than elastomer carries out the combination of acid modified elastomer obtained from acid is modified；Or, 2) polyamide-based heat Thermoplastic elastomer (TPE) other than thermoplastic elastic, Thermoplastic polyamide elastomer and to Thermoplastic polyamide elastomer with Outer thermoplastic elastomer (TPE) carries out the combination of acid modified elastomer obtained from acid is modified.
In the following, so-called " thermoplastic elastomer (TPE) ", refers to and constituted in crystallinity and the high hard segment or height of fusing point by having The copolymer shape of the polymer of the polymer of the hard segment of the poly- power soft chain segment low with composition amorphism and glass transition temperature At thermoplastic resin material.
" Thermoplastic polyamide elastomer " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
It is so-called " thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer " in the present invention of 3rd viewpoint, refer to heat The thermoplastic elastomer (TPE) for not having amido bond (- CONH-) on the main chain of the polymer of hard segment is constituted in thermoplastic elastic.Under Thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer is also referred to as " other thermoplastic elastomer (TPE)s " by face.
It is so-called " acid to be carried out to the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer in the present invention of 3rd viewpoint Acid modified elastomer obtained from modification " is thermoplastic elastomer (TPE) (the other heat instigated other than Thermoplastic polyamide elastomer Thermoplastic elastic) it is bonded thermoplastic elastomer (TPE) obtained from the compound with acidic-group.It should be noted that " polyamide In thermoplastic elastomer (TPE) other than based thermoplastic elastomer " (other thermoplastic elastomer (TPE)s), do not include to other thermoplastic elastics Body carries out acid modified elastomer obtained from acid is modified.
Thermoplastic resin in the present invention of 3rd viewpoint is identical as the meaning of the invention of above-mentioned 1st viewpoint.
Thermoplastic polyamide elastomer has with heat resistance and tensile modulus of elasticity, tensile strength and breaking strain Excellent advantage.In turn, by making thermoplastic resin material include sour modified elastomer, the elasticity of resin material will not become By force, there is flexibility, therefore, tensile modulus of elasticity can be made to reduce, improvement impact resistance.In addition, it is assumed that resin material is wanted In the case where fracture, resin material is not also tearable, ruptures and is broken, and easily becomes the state extended.Therefore, as tire Performance is also not easy to blow out in the case where tyre injury, can be to avoid bulging of tyre.
(3-2) can be 0.1mg- with the acid value of the thermoplastic resin material for the tire of the invention of the 3rd viewpoint CH3ONa/g is more than or lower than 2.2mg-CH3The mode of ONa/g is constituted.
By the way that the acid value of thermoplastic resin material is set as aforementioned range like this, it will not especially make thermoplastic resin The melt viscosity of material excessively increases, and mobility is excellent, therefore injection moldability is excellent.Therefore, the production effect of tire can be improved Rate.Therefore, it is possible to have both as the tensile elasticity and breaking property of tyre performance and from the manufacture from the viewpoint of injection moldability Property.
Thermoplastic resin material has island structure, and the island structure has to be made of Thermoplastic polyamide elastomer Matrix be mutually marine facies and be made of sour modified elastomer or sour modified elastomer and other thermoplastic elastomer (TPE)s (unmodified) Dispersed phase, that is, island phase.In the island structure, there are the tendencies of acid value Yue Gao island Xiang Yue little, acid value Yue Di island Xiang Yue great.By making The acid value of sour modified elastomer is aforementioned range, and impact resistance, tensile elasticity can be improved in thermoplastic resin in island phase micro disperse And breaking property.
(3-3), can be with the polyamide in the thermoplastic resin material for the tire of the invention of the 3rd viewpoint Thermoplastic elastomer (TPE) and the acid other than the quality of based thermoplastic elastomer and the Thermoplastic polyamide elastomer is modified Ratio (the quality of the Thermoplastic polyamide elastomer: the Thermoplastic polyamide elastomer of the gross mass of elastomer The gross mass of thermoplastic elastomer (TPE) and the sour modified elastomer in addition) it is the mode of 90:10~60:40 to constitute.
By by the Thermoplastic polyamide elastomer in the thermoplastic resin material in thermoplastic resin material Quality and the gross mass of thermoplastic elastomer (TPE) and the sour modified elastomer other than, the Thermoplastic polyamide elastomer Ratio is set as aforementioned range, can give full play to performance possessed by thermoplastic resin material, can be further improved conduct The tensile elasticity and breaking property of tyre performance.
(3-4), can be with the polyamide-based heat in the thermoplastic resin material for the tire of the invention of the 3rd viewpoint The content of thermoplastic elastic is the mode of 55 mass of mass %~95 % to constitute.
If the content of the Thermoplastic polyamide elastomer in thermoplastic resin material is aforementioned range, can be abundant Performance possessed by thermoplastic resin material is played, can be further improved the tensile elasticity and breaking property as tyre performance.
It should be noted that for the tire of the invention of the 3rd viewpoint, in addition to having by thermoplastic resin material shape At tyre framework body other than, can also have the tyre framework body formed by thermoplastic resin material peripheral part winding plus Strong cord component and the reinforcement cord component for forming reinforcing cord layer.
If along the circumferential direction being wound in the peripheral part of the tyre framework body formed by thermoplastic resin material and being formed and added Strong cord ply, then can be improved tire puncture, it is resistance to incised wound property and tire (tyre framework body) circumferencial direction rigidity.It needs It is noted that can inhibit the creep of the tyre framework body formed by thermoplastic material (one by improving circumferencial direction rigidity The phenomenon that determining the plastic deformation of tyre framework body under stress and increasing over time).
The manufacturing method of the tire of the invention of (3-5) the 3rd viewpoint comprises the following steps: tyre framework piece formation process, The tyre framework piece for constituting a part of cricoid tyre framework body, the thermoplastic resin are formed using thermoplastic resin material Material includes: Thermoplastic polyamide elastomer, and to the thermoplastic elastomer (TPE) other than the Thermoplastic polyamide elastomer Carry out acid it is modified obtained from thermoplastic elastomer (TPE) other than acid modified elastomer or the Thermoplastic polyamide elastomer and The mixture of acid modified elastomer obtained from acid is modified is carried out to the elastomer；Tyre framework chip bonding process, to the wheel The joint surface of tire matrix tablet applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the tyre framework Body.
The manufacturing method of the tire of the invention of 3rd viewpoint forms cricoid tyre framework body using thermoplastic resin material Tyre framework piece.Since the tensile elasticity and breaking property of thermoplastic resin material are excellent, use manufactured tire The comfort level of automobile is excellent, and resistance to the bursting property of tire, puncture can be improved.
(3-6), can be with the acid of the thermoplastic resin material for the manufacturing method of the tire of the invention of the 3rd viewpoint Value is 0.1mg-CH3ONa/g is more than or lower than 2.2mg-CH3The mode of ONa/g is constituted.
By the way that the acid value of thermoplastic resin material is set as aforementioned range like this, it will not especially make thermoplastic resin The melt viscosity of material excessively increases, and mobility is excellent, therefore injection moldability is excellent.Therefore, the production effect of tire can be improved Rate, in the environmental point of view such as energy conservation it is also preferred that.
(3-7), can be to form work in the tyre framework piece for the manufacturing method of the tire of the invention of the 3rd viewpoint Comprising carrying out the mode of injection molding process using the thermoplastic resin material to constitute in sequence.
The acid value of thermoplastic resin material is 0.1mg-CH3ONa/g is more than or lower than 2.2mg-CH3The thermoplastic resin of ONa/g The injection moldability of rouge material is excellent, therefore the productivity of tire can be improved.
Scheme for solving the project of the 4th viewpoint is as described below.
The tire of the invention of (4-1) the 4th viewpoint is with the cricoid wheel tire bone formed using thermoplastic resin material The tire of frame body, the thermoplastic resin material contain the thermoplastic elastomer (TPE) and fiber in molecule with hard segment and soft chain segment The acicular grains that length is 1 μm~500 μm and fibre diameter is 0.01 μm~10.0 μm (are also properly termed as " specific needle-shaped below Crystal grain ".).
(4-2) in the tire of the invention of the 4th viewpoint, relative to the thermoplastic resin material for forming tyre framework body Gross mass, the content of specific acicular grains are preferably the range of 0.1 mass of mass %~10 %.
(4-3) in the tire of the invention of the 4th viewpoint, the acicular grains contained by thermoplastic resin material are preferably selected From metal oxide, metal nitride, metal carbonate, metal silicate, metal titanate, metal sulfate and metal boron Inorganic particle in hydrochlorate.
(4-4) in the tire of the invention of the 4th viewpoint, the thermoplastic elastomer (TPE) contained by thermoplastic resin material is preferred For the heat in Thermoplastic polyamide elastomer, Polyester thermoplastic elastomer (TPE) and polystyrene thermoplastic elastomer (TPE) Thermoplastic elastic.
Scheme for solving the project of the 5th viewpoint is as described below.
The tire of the invention of (5-1) the 5th viewpoint is that at least have to be formed by resin material and be cricoid tyre framework The tire of body, the resin material include the thermoplastic elastomer (TPE) and glass transition temperature in molecule with hard segment and soft chain segment Spend the resin higher than the glass transition temperature of the hard segment.
The tire of the invention of 5th viewpoint has the cricoid tyre framework body formed by resin material, the resinous wood Material is comprising the thermoplastic elastomer (TPE) and glass transition temperature (Tg) with hard segment and soft chain segment in molecule than the hard segment The high resin (hereinafter sometimes referred to " specific resin of the 5th viewpoint of the invention " of glass transition temperature.).It is seen for the 5th For the tire of the invention of point, since tyre framework body is formed by the resin material, it therefore, there is no need to previous rubber system It is the vulcanization process of necessary process in tire, for example, can be by injection moulding etc. come forming tire skeleton body.It therefore, can be with It realizes and simplifies manufacturing process, shortens the time and reduce cost etc..Moreover, if resin material is used for tyre framework body, with Previous rubber system tire compares the structure that can simplify tire, and the lighting of tire as a result can be achieved.Therefore, wheel tire bone is being formed Abrasion resistence, the durability of tire can be improved when frame body.
" thermoplastic elastomer (TPE) " is identical as the meaning of the invention of above-mentioned 3rd viewpoint.In order to improve thermoplastic elastic The elasticity modulus of body is (for example, the tensile modulus of elasticity of JIS K7113:1995 defined, considers to improve the hard segment in elastomer Containing ratio.However, if improving the containing ratio of hard segment in order to improve the elasticity modulus of thermoplastic elastomer (TPE), it is hot therewith The loss factor (Tan δ) of thermoplastic elastic is also got higher.
In addition, considering to improve the heat resistance of tyre framework body (load deflection, temperature dependency of elasticity modulus etc.) Use the high thermoplastic elastomer (TPE) of glass transition temperature, the thermoplastic elastomer (TPE) of high elastic modulus.However, as described above these The Tan δ of thermoplastic elastomer (TPE) is also got higher.
For the tire of the invention of the 5th viewpoint, the resin material for forming tyre framework body is in addition to including thermoplasticity It also include the specific resin of glass transition temperature (Tg) of the invention 5th viewpoint higher than the hard segment other than elastomer. Therefore, compared with with monomer using the thermoplastic elastomer (TPE) the case where, can the Tan δ of tyre framework body is maintained it is low High elastic modulus is realized in the case where level.Thus, it is possible to provide the tire that rolling resistance is low, elasticity modulus is high.In addition, by In elasticity modulus can be improved in the case where the Tan δ of tyre framework body is maintained low-level situation, and hence it is also possible to improve wheel The heat resistance of tire bone frame body.
(5-2) tire of the invention of the 5th viewpoint can be used than the thermoplastic elastic as the resin High 20 DEG C of the glass transition temperature of the hard segment of body or more of resin.For the tire of the invention of the 5th viewpoint, by by institute The difference for stating the hard segment of thermoplastic elastomer (TPE) and the glass transition temperature of the resin is set as 20 DEG C or more, can sufficiently send out Wave the effect of elasticity modulus raising.
Glass transition temperature (the Tg of the hard segment1) and the 5th viewpoint of the invention specific resin glass Change transition temperature (Tg2) difference (Tg1-Tg2) it is preferably 20~200 DEG C, further preferably 30~80 DEG C.
(5-3), can be by the hard segment relative to the thermoplastic elastomer (TPE) for the tire of the invention of the 5th viewpoint (x) it is set as with the mass ratio (x+y:z) of the soft chain segment (z) of the thermoplastic elastomer (TPE) of the total amount of the resin (y) (x+y) 10:90~90:10.
If the mass ratio (x+y:z), can be by the Tan of tyre framework body in the range of 10:90~90:10 δ maintains the effect for giving full play in low-level situation and improving elasticity modulus.
The mass ratio (x+y:z) is preferably 40:60~80:20.
(5-4) can be selected from polyamide-based heat with the thermoplastic elastomer (TPE) for the tire of the invention of the 5th viewpoint The mode of at least one of thermoplastic elastic and polyester-based elastomer is constituted.
(5-5) can be selected from polyphenylene oxide with the resin, polyphenylene sulfide, gather for the tire of the invention of the 5th viewpoint Ethylene glycol terephthalate, polybutylene terephthalate (PBT), polyethylene naphthalate, poly- naphthalenedicarboxylic acid butanediol The mode of at least one of ester, poly terephthalic acid 1,3- propylene glycol ester, polycarbonate and polyarylate is constituted.
In addition, the combination as the thermoplastic elastomer (TPE) and the resin, is preferably selected from following combination at least It is a kind of: the combination of polyamide-based elastomer and polyphenylene oxide, the combination of Thermoplastic polyamide elastomer and polyphenylene oxide；It is polyamide-based Thermoplastic elastomer (TPE) and polyphenylene sulfide, polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalenedicarboxylic acid second Any one of diol ester, polybutylene naphthalate, poly terephthalic acid 1,3- propylene glycol ester, polycarbonate or polyarylate Combination；And it is Polyester thermoplastic elastomer (TPE) and polyphenylene oxide, polyphenylene sulfide, polyethylene terephthalate, poly- to benzene two Formic acid butanediol ester, polyethylene naphthalate, polybutylene naphthalate, poly terephthalic acid 1,3- propylene glycol ester, The combination of any one of polycarbonate, polyarylate.
Scheme for solving the project of the 6th viewpoint is as described below.
The tire of the invention of (6-1) the 6th viewpoint is with the cricoid wheel tire bone formed using thermoplastic resin material It is 1.0 × 10 that the tire of frame body, which is the volume resistivity of the tyre framework body,6~1.0 × 1010Range tire.
In the tire of the invention of (6-2) the 6th viewpoint, the preferably described tyre framework body contains anti-static material.
In the tire of the invention of (6-3) the 6th viewpoint, the preferably described thermoplastic resin material includes thermoplastic elastomer (TPE).
In the tire of the invention of (6-4) the 6th viewpoint, the preferably described anti-static material is the ion-conductance agent of phosphate system.
Scheme for solving the project of the 7th viewpoint is as described below.
The tire of the invention of (7-1) the 7th viewpoint is that at least have the cricoid tire formed by thermoplastic resin material The tire of skeleton body, be the thermoplastic resin material include thermoplastic elastomer (TPE) in molecule with hard segment and soft chain segment, With the tire with the same kind of resin of the hard segment other than the thermoplastic elastomer (TPE).
Here, " thermoplastic elastomer (TPE) " is the thermoplastic resin material in molecule with hard segment and soft chain segment, and above-mentioned The meaning of the invention of 3rd viewpoint is identical.In addition, referring to " with the same kind of resin of hard segment " of having of thermoplastic elastomer (TPE) Resin with the skeleton common with the skeleton for the main chain for constituting the hard segment that thermoplastic elastomer (TPE) has.It should be noted that Resin in the present invention of 7th viewpoint is identical as the meaning of the invention of above-mentioned 1st viewpoint.Thermoplastic elastomer (TPE) do not include yet with The vulcanized rubbers such as past natural rubber, synthetic rubber.
In the following, referred to as by the same kind of resin of the hard segment having with thermoplastic elastomer (TPE) other than thermoplastic elastomer (TPE) For " specific resin of the 7th viewpoint of the invention ".
The specific resin of 7th viewpoint of the invention is by having the main chain for the hard segment having with composition thermoplastic elastomer (TPE) The common skeleton of skeleton, the affine of the specific resin of the 7th viewpoint of the invention and the hard segment of thermoplastic elastomer (TPE) can be improved Property.Therefore, by make thermoplastic resin material include the composition thermoplastic elastomer (TPE) and the 7th viewpoint of the invention it is specific Resin can make the specific resin of the 7th viewpoint of the invention compatible with the hard segment of thermoplastic elastomer (TPE), tend to it in thermoplasticity The region of the hard segment of elastomer, hard segment becomes larger.
Therefore, it is possible to think, the thermoplastic resin of specific resin and thermoplastic elastomer (TPE) comprising the 7th viewpoint of the invention It is not to be dispersed in thermoplastic elastomer (TPE) and have comprising the two, the specific resin of the 7th viewpoint of the invention merely The specific resin of 7th viewpoint of the invention and the thermoplastic resin of the respective property of thermoplastic elastomer (TPE), but thermoplastic elastic The hard segment domains of body become larger, and the elasticity modulus of thermoplastic resin material improves.
However, be to generate under the vibration before and after 10Hz~100Hz near 50 DEG C due to the rolling resistance of tire, because This can indicate the size of rolling resistance when wanting to carry out viscoelastic measurement to tire with 30 DEG C~50 DEG C of tan δ.
For the tire for using the resin material being only made of thermoplastic elastomer (TPE) to be formed, make thermoplastic elastomer (TPE) Hard segment domains quantity increase, increase elasticity modulus in the case where, there are loss angle tangent (tan δ) bigger tendencies.Tool For body, in the case where the ratio of the hard segment of change thermoplastic elastomer (TPE) and soft chain segment increases elasticity modulus, exist The peak shift of the tan δ of thermoplastic elastomer (TPE) in determination of viscoelasticity is to high temperature side, 30 DEG C~50 DEG C of tan δ bigger tendency.
If the loss angle tangent (tan δ) of resin material becomes larger, there is the energy generated due to deformation when tyre rotation Amount loss (heat) become larger, rolling resistance bigger tendency.Therefore, it uses using such resin material as the vapour of the tire of raw material The specific fuel consumption of vehicle tends to get bigger.Also that is, tire for using the resin material being only made of thermoplastic elastomer (TPE) to be formed For, if improving the elasticity modulus of the resin material for the purpose of the deformation resistance for improving tire, while resin material Tan δ can also increase, therefore, it is difficult to realize low fuel consumption rate.
In contrast, forming tire by using the thermoplastic resin material of the invention of the 7th viewpoint of the composition Skeleton body simultaneously forms tire, even if the elasticity modulus of thermoplastic resin material improves, tan δ is also not easy to increase.It is considered that it is former Because being, by being compatible to the specific resin of the 7th viewpoint of the invention in the hard segment of thermoplastic elastomer (TPE), the area of hard segment Domain itself becomes larger, and in determination of viscoelasticity, can inhibit the displacement at the peak of the tan δ of thermoplastic resin material.Although as a result, going out The peak of the tan δ of the specific resin of existing 7th viewpoint of the invention, but think that tan δ is suppressed on the whole.
It is believed that by the above content in the present invention of the 7th viewpoint, even if the elasticity modulus of thermoplastic resin material mentions Height, tan δ are also not easy to increase.
(7-2) can be 100MPa's or more with the elasticity modulus of the resin for the tire of the invention of the 7th viewpoint Mode is constituted.
By the way that the elasticity modulus for being easy the resin compatible with the hard segment that thermoplastic elastomer (TPE) has is set as like this Aforementioned range, can be further improved the elasticity modulus of the hard segment of thermoplastic elastomer (TPE), and available elasticity modulus is more increased Thermoplastic resin material.As a result, the available higher tire of elasticity modulus.
(7-3), can be with the quality of the thermoplastic elastomer (TPE) and the resin for the tire of the invention of the 7th viewpoint It is constituted than the mode that (thermoplastic elastomer (TPE): the resin) is 95:5~50:50.
If the content of the thermoplastic elastomer (TPE) in thermoplastic resin material is aforementioned range, can give full play to The tensile properties such as the tensile elasticity as tyre performance, breaking strength can be improved in performance possessed by thermoplastic resin material.
(7-4), can be with the thermoplasticity in the thermoplastic resin material for the tire of the invention of the 7th viewpoint The content of elastomer is the mode of 50 mass of mass %~95 % to constitute.
If the content of the thermoplastic elastomer (TPE) in thermoplastic resin material is aforementioned range, can give full play to Performance possessed by thermoplastic resin material can be further improved the drawing such as the tensile elasticity as tyre performance, breaking strength Stretch characteristic.
(7-5) can be using the thermoplastic elastomer (TPE) as Thermoplastic polyamide elastomer and the resin is polyamides The mode of amine system resin is constituted.
Here, " Thermoplastic polyamide elastomer " is identical as the meaning of the invention of above-mentioned 1st viewpoint.In addition, polyamides Amine system resin refers to the thermoplastic resin on main chain with amido bond (- CONH-).
In this way, the specific resin of the 7th viewpoint of the invention as Thermoplastic polyamide elastomer is, it is preferable to use have The common skeleton with the skeleton (amido bond) of the main chain for the strand for constituting the hard segment that Thermoplastic polyamide elastomer has The resin of (amido bond), i.e. polyamide resin.Thermoplastic polyamide elastomer has with heat resistance and tensile elasticity mould It measures, the advantage that tensile strength and breaking strain are excellent.Therefore, by and use polyamide resin as the 7th viewpoint of the invention Specific resin, can further show the effect for inhibiting rolling resistance, available durability is good and low fuel consumption The tire of rate.
In turn, for the tire of the invention of the 7th viewpoint, in addition to having the tyre framework formed by thermoplastic resin material Other than body, can also have the tyre framework body formed by thermoplastic resin material peripheral part winding reinforce cord component and Form the reinforcement cord component for reinforcing cord components layer.
If reinforcing cord component in the peripheral part winding of the tyre framework body formed by thermoplastic resin material and being formed Reinforce cord components layer, then can be improved tire puncture, it is resistance to incised wound property and tire (tyre framework body) circumferencial direction it is rigid Property.It should be noted that can inhibit the creep of the tyre framework body formed by thermoplastic material by improving circumferencial direction rigidity (the phenomenon that plastic deformation of tyre framework body increases over time under certain stress).
Scheme for solving the project of the 8th viewpoint is as described below.
The tire of the invention of (8-1) the 8th viewpoint is that at least have the cricoid tyre framework body formed by resin material Tire, the resin material includes at least: the glass transition temperature other than thermoplastic elastomer (TPE) and the thermoplastic elastomer (TPE) The degree resin big for the elasticity modulus of thermoplastic elastomer (TPE) described in 20 DEG C or less and modular ratio.
Here, " thermoplastic elastomer (TPE) " is identical as the meaning of the invention of above-mentioned 3rd viewpoint.
In addition, " resin " in the present invention of the 8th viewpoint is identical as the meaning of the invention of above-mentioned 1st viewpoint.Thermoplasticity Elastomer does not include the vulcanized rubbers such as previous natural rubber, synthetic rubber yet.
In the following, being also heat described in 20 DEG C or less and modular ratio by the glass transition temperature other than thermoplastic elastomer (TPE) The big resin of the elasticity modulus of thermoplastic elastic is referred to as " specific resin of the 8th viewpoint of the invention ".
By make resin material include thermoplastic elastomer (TPE), and then also comprising glass transition temperature aforementioned range sheet The specific resin of 8th viewpoint of invention, can inhibit rolling resistance to increase.
However, for the tire for using the resin material being only made of thermoplastic elastomer (TPE) to be formed, the resin material Elasticity modulus more increase, more become larger by loss of energy caused by the magnetic hystersis loss that is generated by squeegee action, accordingly, there exist The tendency that rolling resistance is big, energy loss (heat) also becomes larger.The rolling resistance of tire can be by constituting the damage of the material of tire Consumption angle tangent (tan δ) determines, for example, what the tan δ of there are the rollings resistance of tire material that is bigger, constituting tire more became larger Tendency.
It should be noted that being under the vibration before and after 10Hz~100Hz near 50 DEG C due to the rolling resistance of tire It generates, therefore, when wanting to carry out viscoelastic measurement to tire, rolling resistance can be indicated with 30 DEG C~50 DEG C of tan δ Size.
For the tire for using the resin material being only made of thermoplastic elastomer (TPE) to be formed, make thermoplastic elastomer (TPE) Hard segment domains quantity increase, increase elasticity modulus in the case where, there are loss angle tangent (tan δ) bigger tendencies.Tool For body, in the ratio for the hard segment and soft chain segment for changing Thermoplastic polyamide elastomer or Polyester thermoplastic elastomer (TPE) Rate and in the case where increasing elasticity modulus, the peak shift of the tan δ of the thermoplastic elastomer (TPE) in determination of viscoelasticity to high temperature side, There are 30 DEG C~50 DEG C of tan δ bigger tendencies.If the loss angle tangent (tan δ) of resin material becomes larger, exist because of wheel Deformation when tire rotates and the energy loss (heat) that generates become larger, rolling resistance bigger tendency.Therefore, using having in this way Resin material be that the specific fuel consumption of automobile of tire of raw material tends to get bigger.
Also that is, for the tire for using the resin material being only made of thermoplastic elastomer (TPE) to be formed, if to improve The elasticity modulus of the resin material is improved for the purpose of deformation resistance of tire etc., then the tan δ of resin material can also rise simultaneously Height, therefore, it is difficult to realize the reduction of rolling resistance.
In contrast, forming tyre framework body by using the resin material of the composition and forming tire, can make to set Rouge material has desired elasticity modulus and controls tan δ in low-level.As a result, in the present invention of the 8th viewpoint, It is considered that preferred elasticity modulus can be obtained, while the reduction of the rolling resistance of tire may be implemented.
(8-2), can be with the resin (certain tree of the 8th viewpoint of the invention for the tire of the invention of the 8th viewpoint Rouge) it is the mode of acid modified resin to constitute.
Contain the specific resin of thermoplastic elastomer (TPE) and acid-modified the 8th viewpoint of the invention in resin material like this In the case where, become with the marine facies that are made of thermoplastic elastomer (TPE) and the island phase island structure being made of acid modified resin, Or the structure of the specific resin of the 8th viewpoint of the invention is dispersed in thermoplastic elastic body.If marine facies and island phase phase boundary The interaction of the phase interface of the specific resin of face or thermoplastic elastomer (TPE) and the 8th viewpoint of the invention is weak, then resin material Mobility increase, injection moldability is excellent.Since the intramolecular of acid modified resin has the modified position of acid, with without The modified resin of acid is compared, strong with the interaction of thermoplastic elastomer (TPE).
On the other hand, in island structure, there are the acid value Yue Gao island Xiang Yue little of acid-modified resin, the island acid value Yue Di The tendency of Xiang Yue great.
(8-3) can set the tire of the invention of the 8th viewpoint so that the acid described in the composition of (8-2) is modified Rouge is acid-modified polyolefin resin (for example, sour modified polypropene, sour modified poly ethylene, acid-modified ethylene-propylene copolymer Object and ethylene vinyl acetate) mode constitute.
The specific resin acid-modified polyolefin resin for making the 8th viewpoint of the invention in this way, can be improved work The tensile properties such as tensile elasticity, breaking strength for tyre performance.
(8-4), can be to set for the tire of the invention of the 8th viewpoint described in the composition of (8-2) or (8-3) Rouge material also includes the mode of the not acid-modified resin other than the thermoplastic elastomer (TPE) to constitute.
Resin material is set to contain the certain tree of thermoplastic elastomer (TPE), acid-modified the 8th viewpoint of the invention in this way Rouge and not acid-modified resin, adjustable acid value inhibit mobility, and tensile elasticity, breaking strength can be improved Equal tensile properties, injection moldability are excellent.
(8-5), can be to change described in the composition of (8-4) without acid for the tire of the invention of the 8th viewpoint Property resin be selected from least one of polyolefin resin (for example, polypropylene, polyethylene and ethylene-propylene copolymer) Mode is constituted.
Make the not acid-modified resin polyolefin resin in this way, can be compatible with acid modified resin, thus may be used To improve injection moulding when Tire production.
It should be noted that the not acid-modified resin preferably with acid modified resin be it is same kind of Resin." one species " mentioned here refer between the skeleton for constituting the main chain of two kinds of resins have common skeleton, such as Relative to sour modified polypropene, polypropylene is suitble to；Relative to sour modified poly ethylene, polyethylene is suitble to.
(8-6), can be with the resin (certain tree of the 8th viewpoint of the invention for the tire of the invention of the 8th viewpoint Rouge) it is the mode of not acid-modified resin to constitute.
(8-7), can be described to change without acid in the composition of (8-6) for the tire of the invention of the 8th viewpoint Property resin be the side selected from least one of polyolefin resin (for example, polypropylene, polyethylene, ethylene-propylene copolymer) Formula is constituted.
(8-8) can be selected from polyamide-based heat with the thermoplastic elastomer (TPE) for the tire of the invention of the 8th viewpoint In thermoplastic elastic, Polyester thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE) and polyurethane series thermoplastic elastomer (TPE) At least one mode constitute.
Thermoplastic polyamide elastomer, Polyester thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE), polyurethane Based thermoplastic elastomer have the advantages that with heat resistance and tensile modulus of elasticity, tensile strength and breaking strain it is excellent.If And then will comprising selected from Thermoplastic polyamide elastomer, Polyester thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE) and The resin material of at least one of polystyrene thermoplastic elastomer (TPE) be used for tyre framework body, then with previous rubber ratch Tire compares the structure that can simplify tire, and the lighting of tire as a result can be achieved.Therefore, it when forming tyre framework body, uses Become smaller by the specific fuel consumption of the automobile of the tire of raw material of such resin material.
Scheme for solving the project of the 9th viewpoint is as described below.
The tire of the invention of (9-1) the 9th viewpoint is that at least have the cricoid tyre framework body formed by resin material Tire, the resin material includes at least: the vitrifying other than the 1st thermoplastic elastomer (TPE), the 1st thermoplastic elastomer (TPE) turns Temperature is same kind of hard with the resin for having other than 20 DEG C of resins below and the 1st thermoplastic elastomer (TPE) 2nd thermoplastic elastomer (TPE) of segment.
Here, " thermoplastic elastomer (TPE) " is identical as the meaning of the invention of above-mentioned 3rd viewpoint.
In turn, so-called " having the thermoplastic elastomer (TPE) with the same kind of hard segment of the resin ", refers to and has The thermoplastic elastomer (TPE) of the hard segment of common skeleton with the skeleton for the main chain for constituting the resin.It should be noted that the 9th sees " resin " in the present invention of point is identical as the meaning of the invention of above-mentioned 1st viewpoint.Wherein, in the present invention of the 9th viewpoint Thermoplastic elastomer (TPE) includes the vulcanized rubbers such as previous natural rubber, synthetic rubber.
In the following, being also that 20 DEG C of resins below are referred to as " this hair by the glass transition temperature other than thermoplastic elastomer (TPE) The specific resin of the 9th bright viewpoint ".
It is believed that passing through the specific resin for making the 2nd thermoplastic elastomer (TPE) have and constitute the 9th viewpoint of the invention Main chain the common skeleton of skeleton hard segment, the specific resin and the 2nd thermoplastic elastic of the 9th viewpoint of the invention can be improved The compatibility of the hard segment of body.It is therefore contemplated that the specific resin and the 2nd heat of the 9th viewpoint of the invention of the composition can be obtained The compatibility of thermoplastic elastic can make the two evenly dispersed in resin material.
Additionally, it is believed that by the basis of the specific resin containing the 1st thermoplastic elastomer (TPE) and the 9th viewpoint of the invention On also contain the 2nd thermoplastic elastomer (TPE), thermoplastic resin material flexibility can be assigned, impact resistance can be improved in result.
In addition, for using the tire only formed by the resin material that the 1st thermoplastic elastomer (TPE) is constituted, the resinous wood The elasticity modulus of material more increases, bigger by loss of energy caused by the magnetic hystersis loss that generates by squeegee action, accordingly, there exist The tendency that rolling resistance is big, energy loss (heat) also becomes larger.The rolling resistance of tire can be by constituting the damage of the material of tire Consumption angle tangent (tan δ) determines, inclines for example, the tan δ of there are the rollings resistance of tire material that is bigger, constituting tire is bigger To.
Also that is, for using the tire only formed by resin material that the 1st thermoplastic elastomer (TPE) is constituted, if with The elasticity modulus of the resin material is improved for the purpose of impact resistance of raising tire etc., then the tan δ of resin material also can simultaneously It increases, therefore, it is difficult to realize the reduction of rolling resistance.
In contrast, forming tyre framework body by using the resin material of the composition and forming tire, can make to set Rouge material has desired elasticity modulus and controls tan δ in low-level.As a result, in the present invention of the 9th viewpoint, It is considered that preferred elasticity modulus can be obtained, while the reduction of the rolling resistance of tire may be implemented.
(9-2), can be with the resin (certain tree of the 9th viewpoint of the invention for the tire of the invention of the 9th viewpoint Rouge) it is the mode of acid modified resin to constitute.
Contain the specific of the 1st thermoplastic elastomer (TPE) and acid-modified the 9th viewpoint of the invention in resin material like this In the case where resin, become with the marine facies being made of the 1st thermoplastic elastomer (TPE) and the island phase sea being made of acid modified resin The specific resin of island structure or the 9th viewpoint of the invention is dispersed in the structure in thermoplastic elastic body.If marine facies and island phase Phase interface or thermoplastic elastomer (TPE) and the 9th viewpoint of the invention specific resin phase interface interaction it is weak, then set The mobility of rouge material increases, and injection moldability is excellent.Since the intramolecular of acid modified resin has the modified position of acid, It is strong with the interaction of thermoplastic elastomer (TPE) compared with not acid-modified resin.
On the other hand, in island structure, there are the acid value Yue Gao island Xiang Yue little of acid-modified resin, the island acid value Yue Di The tendency of Xiang Yue great.
(9-3) can set the tire of the invention of the 9th viewpoint so that the acid described in the composition of (9-2) is modified Rouge is selected from acid-modified polyolefin resin (for example, sour modified polypropene, sour modified poly ethylene and acid-modified ethylene-propylene Copolymer, ethylene vinyl acetate) at least one of mode constitute.
Make the acid modified resin acid-modified polyolefin resin in this way, the stretching as tyre performance can be improved The tensile properties such as elasticity, breaking strength.
(9-4), can be with the 2nd thermoplasticity described in the composition of (9-3) for the tire of the invention of the 9th viewpoint Elastomer is the mode of olefin series thermoplastic elastomer to constitute.
It is considered that having the olefin series thermoplastic elastomer as the 2nd thermoplastic elastomer (TPE) and structure At the hard segment of the common skeleton of the skeleton of the main chain of the acid modified polyolefin of the specific resin as the 9th viewpoint of the invention, The compatibility of the two can be obtained in the compatibility that the hard segment of acid modified polyolefin and olefin series thermoplastic elastomer can be improved, can Keep the two evenly dispersed in resin material.
Furthermore it is possible to think, by the specific resin containing the 1st thermoplastic elastomer (TPE) and the 9th viewpoint of the invention On the basis of also containing olefin series thermoplastic elastomer as the 2nd thermoplastic elastomer (TPE), it is soft that thermoplastic resin material can be assigned Property, impact resistance can be improved in result.
(9-5), can be to set for the tire of the invention of the 9th viewpoint described in the composition of (9-2)~(9-4) Rouge material also includes the side of the not acid-modified resin in addition to the 1st thermoplastic elastomer (TPE) and the 2nd thermoplastic elastomer (TPE) Formula is constituted.
Make in this way resin material contain the 1st thermoplastic elastomer (TPE), acid-modified the 9th viewpoint of the invention it is specific The tensile elasticity as tyre performance, fracture can be improved in resin, the 2nd thermoplastic elastomer (TPE) and not acid-modified resin The tensile properties such as intensity.
(9-6), can be to change described in the composition of (9-5) without acid for the tire of the invention of the 9th viewpoint Property resin be the side selected from least one of olefin resin (for example, polypropylene, polyethylene and ethylene-propylene copolymer) Formula is constituted.
Make the not acid-modified resin olefin resin in this way, can be further improved as tyre performance The tensile properties such as tensile elasticity, breaking strength.
It should be noted that the not acid-modified resin preferably with acid modified resin be it is same kind of Resin." one species " mentioned here refer between the skeleton for constituting the main chain of two kinds of resins have common skeleton, such as Relative to sour modified polypropene, polypropylene is suitble to；Relative to sour modified poly ethylene, polyethylene is suitble to.
(9-7) can set the tire of the invention of the 9th viewpoint so that the acid described in the composition of (9-6) is modified Rouge is acid modified polyolefin, the not acid-modified resin is polypropylene and the 2nd thermoplastic elastomer (TPE) is comprising poly- The mode of the olefin series thermoplastic elastomer of propylene is constituted.
It is believed that making in this way as the 2nd thermoplastic elastomer (TPE) comprising polyacrylic olefin-based thermoplastic elastic Body include have with constitute as the 9th viewpoint of the invention specific resin acid modified polyolefin main chain skeleton jointly, And the hard segment with the skeleton common as the skeleton of the polyacrylic main chain of not acid-modified resin is constituted, can be improved acid The compatibility of improved polyalkene, polypropylene and the hard segment comprising polyacrylic olefin series thermoplastic elastomer, can be obtained these Compatibility between substance, spreads more evenly across in resin material.
(9-8) can be selected from polyamide with the 1st thermoplastic elastomer (TPE) for the tire of the invention of the 9th viewpoint Based thermoplastic elastomer, Polyester thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE) and polystyrene thermoplastic elastic The mode of at least one of body is constituted.
Thermoplastic polyamide elastomer, Polyester thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE) and polyphenyl second Alkene based thermoplastic elastomer have the advantages that with heat resistance and tensile modulus of elasticity, tensile strength and breaking strain it is excellent.Into And if will be comprising being selected from Thermoplastic polyamide elastomer, Polyester thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE) And the resin material of at least one of polystyrene thermoplastic elastomer (TPE) be used for tyre framework body, then with previous rubber system Tire compares the structure that can simplify tire, and the lighting of tire as a result can be achieved.Therefore, when forming tyre framework body, make The specific fuel consumption of automobile to the tire that such resin material is raw material becomes smaller.
Scheme for solving the project of the 10th viewpoint is as described below.
The tire of the invention of (10-1) the 10th viewpoint is that at least have the cricoid wheel formed by thermoplastic resin material The tire of tire bone frame body has the reinforcement cord component for forming reinforcing cord layer in the peripheral part of the tyre framework body, and The thermoplastic resin material includes at least Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE).
The reinforcing cord layer can also intersect volume along the circumferential direction wound on the peripheral part of the tyre framework body It is wound on peripheral part.
The tire of the invention of 10th viewpoint has by including Thermoplastic polyamide elastomer and Polyester thermoplastic elastomehc Property body thermoplastic resin material formed cricoid tyre framework body.Here, " Thermoplastic polyamide elastomer " with it is above-mentioned The meaning of the invention of 1st viewpoint is identical.
In addition, " Polyester thermoplastic elastomer (TPE) " is identical as the meaning of the invention of above-mentioned 2nd viewpoint.
Thermoplastic resin in the present invention of 10th viewpoint refers to thermoplastic resin, not comprising previous natural rubber The vulcanized rubbers such as glue, synthetic rubber.
The durability of thermoplastic resin material comprising Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) It is excellent.More specifically, there is heat resistance, and tensile modulus of elasticity, tensile strength and breaking strain are excellent.Therefore, in shape It is excellent at the durability of tire, manufacturing when tyre framework body.In turn, due to can simplify structure, there is achievable lightweight The advantages of change.
In addition, due to the thermoplastic resin material comprising Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) Tensile yield strength temperature dependency it is small, therefore, as caused by the temperature variation of use environment deformation, hardness variation It is small, temperature of deflection under load is high.Therefore, it is possible to make the small using the influence of temperature environment of tire, it can be in wide in range temperature environment Lower use.
On the other hand, in the case where Thermoplastic polyamide elastomer is used alone, it is desirable to when adjusting its elasticity modulus, Need to control the ratio of hard segment and soft chain segment.In contrast, and if with Thermoplastic polyamide elastomer and polyester thermoplastic Property elastomer, then by both adjusting containing than, can be with compared with the case where Thermoplastic polyamide elastomer is used alone Easily adjust the elasticity modulus of thermoplastic resin composition.It therefore, can be easily by the springform of thermoplastic resin material Amount is set in desired range.
One mode of the tire of the invention of the 10th viewpoint is, by including Thermoplastic polyamide elastomer and polyester The peripheral part winding for the tyre framework body that the thermoplastic resin material of based thermoplastic elastomer is formed is reinforced cord component and is formed Reinforcing cord layer.If the peripheral part in tyre framework body forms reinforcing cord layer, the puncture of tire can be improved, resistance to cut The circumferencial direction of wound property and tire (tyre framework body) rigidity.It should be noted that can be pressed down by improving circumferencial direction rigidity (plastic deformation of tyre framework body pushes away at any time under certain stress for the creep for the tyre framework body that system is formed by thermoplastic material The phenomenon that moving and increasing).
In addition, Thermoplastic polyamide elastomer is high to the adaptation for reinforcing cord component, and heat seal strength etc. is fixed It has excellent performance.Therefore, if using the thermoplastic resin comprising Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) Rouge material can then inhibit air to remain in the rolling step for for example reinforcing cord component and reinforce around cord component Phenomenon (air entrance).If high to the adaptation and weldability of reinforcing cord component and can inhibit air and enter reinforcement curtain Line components periphery can then effectively inhibit by input power when driving etc. and cause to reinforce cord component mobile.Example as a result, Such as, even the feelings of tire member of formation are arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body Condition, also can inhibit that reinforce cord component mobile, therefore, can inhibit it is peeling-off etc. (comprising tyre framework body) between these components, To improve the durability of tire.
(10-2) can include the side of resin material with the reinforcing cord layer for the tire of the invention of the 10th viewpoint Formula is constituted.If reinforcing cord layer includes resin material like this, the case where reinforcing cord component is fixed with buffering adhesive Difference compared to the hardness that can make tire and reinforcing cord layer is small, therefore will can further reinforce the closely sealed fixation of cord component In tyre framework body.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce cord when driving Component is mobile.Here, " resin material " is the concept comprising thermoplastic resin (comprising thermoplastic elastomer (TPE)) and thermosetting resin, Not comprising vulcanized rubber.
In the case where making the reinforcing cord layer include resin material, (taken out from the extractable for reinforcing cord component is improved Difficulty out) from the viewpoint of, the reinforcement cord component preferably its 20% or more surface is covered by resin material, further preferably 50% or more is capped.In addition, for the content of the resin material in the reinforcing cord layer, from the extraction for improving reinforcement cord Property from the viewpoint of, relative to remove reinforce cord after composition reinforcing cord layer material total amount, preferably 20 mass % More than, further preferably 50 mass % or more.
It when being constituted in a manner of comprising resin material, can be formed as got off, for example, from the axis side along tyre framework body To section observe when, at least part reinforce cord component be embedded in the tyre framework body formed by thermoplastic resin material Peripheral part.At this moment, be embedded with the tyre framework outer circumferential portion for reinforcing cord component includes Thermoplastic polyamide elastomer The resin material for constituting reinforcing cord layer is equivalent to the thermoplastic resin material of Polyester thermoplastic elastomer (TPE), by formation tire The thermoplastic resin material and reinforcement cord component of skeleton body constitute the reinforcing cord layer.In addition, including with reinforcing cord layer When the mode of resin material is constituted, can also be wound along the circumferencial direction of the tyre framework body with form the tyre framework The resin material of the resin material identical type of body or the covering of different types of resin material are reinforced covering curtain obtained from cord Line components.The identical type of resin material refers between ester system, the forms such as between polystyrene.
(10-3), can be with thermoplastic elastic polyamide-based in thermoplastic resin for the tire of the invention of the 10th viewpoint The mass ratio (x:y) of body (x) and Polyester thermoplastic elastomer (TPE) (y) is the mode of 95:5~50:50 to constitute.In this way will The mass ratio (x:y) of the Thermoplastic polyamide elastomer (x) and Polyester thermoplastic elastomer (TPE) (y) be set as 95:5~ 50:50 can further improve the durability of tire, and can form the tire to the more difficult deformation of temperature change.
(10-4), can be with the polyamide-based thermoplastic in thermoplastic resin material for the tire of the invention of the 10th viewpoint Property elastomer and Polyester thermoplastic elastomer (TPE) total content be 50~100 mass % mode constitute.By being set as Composition is stated, can be further improved can be by the combination acquisition of Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) Performance.
The tire of the invention of 10th viewpoint can be manufactured by manufacturing method below, and the manufacturing method is at least wrapped Include following process: tyre framework piece formation process, using including Thermoplastic polyamide elastomer and Polyester thermoplastic elastic The thermoplastic resin material of body forms the tyre framework piece for constituting a part of cricoid tyre framework body；Tyre framework chip bonding Process applies heat to the joint surface of the tyre framework piece to make the tyre framework piece weldings described above of pairs of 2 and shape At the tyre framework body；Reinforce cord component rolling step, is along the circumferential direction wound in the peripheral part of the tyre framework body Reinforce cord component to form reinforcing cord layer.
In the manufacturing method, it can use comprising Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) Thermoplastic resin material forms the tyre framework piece of cricoid tyre framework body.The polyamides for being included by thermoplastic resin material The fusing point of amine system thermoplastic elastomer (TPE) may be set in 100 DEG C~250 DEG C or so, and Polyester thermoplastic elastomer (TPE) can be set It is scheduled on 100 DEG C~260 DEG C or so.Therefore, it may not be necessary to such as 300 DEG C or more implement tyre framework piece fusion bonding process and Implement fusion bonding process at relatively low temperatures.
It is therefore possible to prevent resin deteriorates, tyre framework piece can be inhibited to deform, therefore, yield rate can be made to increase, it can To improve the productivity of tire.
In addition, the tyre framework piece using the thermoplastic resin material comprising Thermoplastic polyamide elastomer carries out welding And when forming tyre framework body, the adhesive strength between tyre framework piece is abundant, in addition, will not cause due to temperature when welding The performance of skeleton body itself deteriorates, it is thus possible to improve when driving durable such as the puncture of manufactured tire, heat resistance Property.
Scheme for solving the project of the 11st viewpoint is as described below.
The tire of the invention of (11-1) the 11st viewpoint is that at least have the cricoid wheel formed by thermoplastic resin material The tire of tire bone frame body is that the thermoplastic resin material contains Thermoplastic polyamide elastomer and for alkene-(methyl) third At least one of the metal corsslinking body (ionomer) of olefin(e) acid ester copolymer and alkene-(methyl) acrylic copolymer copolymer Tire.
Here, " thermoplastic elastomer (TPE) " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
In addition, " Thermoplastic polyamide elastomer " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
It should be noted that the resin in the present invention of the 11st viewpoint refers to thermoplastic resin (comprising thermoplastic elastomehc Property body) or thermosetting resin resin, not comprising vulcanized rubbers such as previous natural rubber, synthetic rubber.Thermoplastic elastomer (TPE) The vulcanized rubbers such as previous natural rubber, synthetic rubber are not included yet.
In addition, also will the " metal of alkene-(methyl) acrylate copolymer and alkene-(methyl) acrylic copolymer friendship At least one of conjuncted copolymer " is known as specific copolymer.
It should be noted that " (methyl) acrylic acid " refers at least one party in acrylic acid and methacrylic acid, " (methyl) Acrylate " refers at least one party in acrylate and methacrylate.
By making the thermoplastic resin material of the invention of the 11st viewpoint contain specific copolymer and polyamide thermoplastic bullet Property body, the excellent impact resistance of thermoplastic resin material.In addition, containing Thermoplastic polyamide elastomer and specific copolymer The thermoplastic resin material of the invention of 11st viewpoint since the temperature dependency of tensile yield strength is small, can inhibit by Deformation caused by the temperature variation of use environment, the variation of hardness.Thus, in the thermoplastic resin of the invention using the 11st viewpoint In the case that rouge material forms tire, the small using the influence of temperature environment of tire can be made, it can be in wide in range temperature environment Lower use.
In the case where Thermoplastic polyamide elastomer is used alone, it is desirable to when adjusting its elasticity modulus, need to control The ratio of hard segment and soft chain segment.In contrast, and if with Thermoplastic polyamide elastomer and specific copolymer, pass through Adjust containing than thermoplastic can be easily adjusted compared with the case where Thermoplastic polyamide elastomer is used alone for the two The elasticity modulus of property resin material.
In addition, in order to make thermoplastic resin material that there is yield strength, it is contemplated that by Thermoplastic polyamide elastomer and The olefin-based resins such as polyethylene mix (blend) and use.However, since olefin-based resin (for example, polyethylene) does not have polarity Group, therefore, even if mixing with Thermoplastic polyamide elastomer, compatibility is also poor.Therefore, by making polyolefin and there is pole Property group monomer copolymerization and import polar group in the molecule, the parent with Thermoplastic polyamide elastomer can be made it have And property.It, can if being like this copolymerized polyolefin and the acrylic or methacrylic acid as the monomer with polar group Improve the compatibility of obtained copolymer and Thermoplastic polyamide elastomer, but sometimes includes the copolymer and polyamide-based heat The yield strength of the thermoplastic resin material of thermoplastic elastic depends on temperature.
In contrast, by the way that acrylic acid and methacrylic acid will be replaced to make acrylic or methacrylic acid esterification or gold The copolymer of monomer obtained from category ionization and polyethylene, can as the copolymer with Thermoplastic polyamide elastomer To improve the impact resistance of the thermoplastic resin material comprising the copolymer and Thermoplastic polyamide elastomer, inhibit surrender strong The temperature dependency of degree.
(11-2) for the 11st viewpoint tire of the invention, can with Thermoplastic polyamide elastomer (x) with it is specific The mass ratio (x:y) of copolymer (y) is the mode of 95:5~50:50 to constitute.
If the content of the Thermoplastic polyamide elastomer in thermoplastic resin material is aforementioned range, can be abundant Performance possessed by thermoplastic resin material is played, the stretching such as the tensile elasticity as tyre performance, breaking strength can be improved Characteristic.
(11-3), can be with the polyamide-based thermoplastic in thermoplastic resin material for the tire of the invention of the 11st viewpoint Property elastomer and specific copolymer total content be 50 mass of mass %~100 % mode constitute.
If the total content of Thermoplastic polyamide elastomer and specific copolymer in thermoplastic resin material is aforementioned Range can then give full play to performance possessed by thermoplastic resin material, can be further improved the drawing as tyre performance Stretch the tensile properties such as elasticity, breaking strength.
(11-4) can be using the alkene-(methyl) acrylate copolymer as ethylene-(methyl) acrylate copolymer Mode constitute.
It, can be further by making alkene-(methyl) acrylate copolymer ethylene-(methyl) acrylate copolymer The flexibility for improving thermoplastic resin material, can be further improved the impact resistance as tyre performance.
(11-5) can be using the metal corsslinking body of the alkene-(methyl) acrylic copolymer as ethylene-(methyl) propylene The mode of the metal corsslinking body of acid copolymer is constituted.
By metal corsslinking body ethylene-(methyl) acrylic acid copolymer for making the alkene-(methyl) acrylic copolymer The metal corsslinking body of object, can be further improved the flexibility of thermoplastic resin material, can be further improved as tire The impact resistance of energy.
In turn, for the tire of the invention of the 11st viewpoint, in addition to having the wheel tire bone formed by thermoplastic resin material Other than frame body, can also have and reinforce cord component in the peripheral part winding of the tyre framework body formed by thermoplastic resin material And form the reinforcement cord component for reinforcing cord components layer.
If reinforcing cord component in the peripheral part winding of the tyre framework body formed by thermoplastic resin material and being formed Reinforce cord components layer, then can be improved tire puncture, it is resistance to incised wound property and tire (tyre framework body) circumferencial direction it is rigid Property.It should be noted that can inhibit the creep of the tyre framework body formed by thermoplastic material by improving circumferencial direction rigidity (the phenomenon that plastic deformation of tyre framework body increases over time under certain stress).
Scheme for solving the project of the 12nd viewpoint is as described below.
The tire of the invention of (12-1) the 12nd viewpoint is that at least have the cricoid wheel formed by thermoplastic resin material The tire of tire bone frame body is that the thermoplastic resin material contains Thermoplastic polyamide elastomer, alkene-(methyl) acrylic acid Copolymer and the tire that acid modified copolymer obtained from acid is modified is carried out to alkene-(methyl) acrylate copolymer.
Here, " thermoplastic elastomer (TPE) " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
In addition, " Thermoplastic polyamide elastomer " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
It should be noted that the resin in the present invention of the 12nd viewpoint refers to thermoplasticity or heat cured resin, no Include the vulcanized rubbers such as previous natural rubber, synthetic rubber.Thermoplastic elastomer (TPE) does not include previous natural rubber, synthesis yet The vulcanized rubbers such as rubber.
In addition, " alkene-(methyl) acrylic copolymer " refers in the repetitive unit of alkene comprising derived from (methyl) propylene The copolymer of the part-structure of acid." (methyl) acrylic acid " refers at least one party in acrylic acid and methacrylic acid.
So-called " carrying out acid modified copolymer obtained from acid is modified to alkene-(methyl) acrylate copolymer ", refers to There is acidic-group comprising being bonded on the copolymer of the part-structure of (methyl) acrylate in the repetitive unit of alkene Copolymer obtained from compound." (methyl) acrylate " refers at least one party in acrylate and methacrylate.
It should be noted that " alkene-(methyl) acrylic copolymer " is also known as specific copolymer, it will be " to alkene- (methyl) acrylate copolymer carries out acid modified copolymer obtained from acid is modified " it is known as specific acid modified copolymer.
Here, the alkene as the repetitive unit for constituting the alkene in specific copolymer and specific acid modified copolymer, it is excellent It is selected as ethylene, propylene, 1- butylene, further preferably ethylene.
Thermoplastic resin material of the invention by making the 12nd viewpoint contains specific copolymer, specific acid modified copolymer Object and Thermoplastic polyamide elastomer, the injection moldability of thermoplastic resin material, impact resistance and breaking property are excellent.
In the case where Thermoplastic polyamide elastomer is used alone, it is desirable to when adjusting its elasticity modulus, need to control The ratio of hard segment and soft chain segment.In addition, being drawn comprising Thermoplastic polyamide elastomer and in the case where specific copolymer When stretching, there is the tendency with laminated fructure.In contrast, and if with Thermoplastic polyamide elastomer, specific copolymer and Specific acid modified copolymer at least three kinds of ingredients then pass through containing than polyamide-based with being used alone for these three ingredients of adjusting The case where thermoplastic elastomer (TPE), is compared, and the elasticity modulus of thermoplastic resin material can be easily adjusted, when can improve stretching Breaking state.
(12-2) for the 12nd viewpoint tire of the invention, can with the Thermoplastic polyamide elastomer (x) and Alkene-(methyl) acrylic copolymer (specific copolymer；And sour modified copolymer (the specific acid modified copolymer y)； Z) mass ratio (x:y+z) is the mode of 95:5~50:50 to constitute.
If Thermoplastic polyamide elastomer and alkene-(methyl) acrylic copolymer in thermoplastic resin material and The amount ratio of sour modified copolymer is aforementioned range, then can give full play to performance possessed by thermoplastic resin material, Ke Yiti The tensile properties such as high tensile elasticity, breaking strength as tyre performance.
It should be noted that for the tire of the invention of the 12nd viewpoint, it can be total with the alkene-(methyl) acrylic acid Polymers (specific copolymer；Y) with sour modified copolymer (the specific acid modified copolymer；Z) mass ratio (y:z) be 95:5~ The mode of 20:80 is constituted.
If the mass ratio of specific copolymer and specific acid modified copolymer in thermoplastic resin material is aforementioned range, Performance possessed by thermoplastic resin material can be then given full play to, the tensile elasticity as tyre performance, fracture can be improved The tensile properties such as intensity.
(12-3), can be with the polyamides in the thermoplastic resin material for the tire of the invention of the 12nd viewpoint Amine system thermoplastic elastomer (TPE), the alkene-(methyl) acrylic copolymer (specific copolymer) and the sour modified copolymer The total content of (specific acid modified copolymer) is the mode of 50 mass of mass %~100 % to constitute.
If Thermoplastic polyamide elastomer, specific copolymer and specific acid modified copolymer in thermoplastic resin material The total content of object is aforementioned range, then can give full play to performance possessed by thermoplastic resin material, can be further improved The tensile properties such as tensile elasticity, breaking strength as tyre performance.
In turn, for the tire of the invention of the 12nd viewpoint, in addition to having the wheel tire bone formed by thermoplastic resin material Other than frame body, can also have and reinforce cord component in the peripheral part winding of the tyre framework body formed by thermoplastic resin material And form the reinforcement cord component of reinforcing cord layer.
If reinforcing cord component in the peripheral part winding of the tyre framework body formed by thermoplastic resin material and being formed Reinforcing cord layer, then can be improved tire puncture, it is resistance to incised wound property and tire (tyre framework body) circumferencial direction rigidity. It should be noted that by improve circumferencial direction rigidity, can inhibit the tyre framework body formed by thermoplastic material creep ( The plastic deformation of tyre framework body is over time and the phenomenon that increase under certain stress).
(12-4) can be with the alkene-(methyl) acrylic copolymer for the tire of the invention of the 12nd viewpoint Ethylene-(methyl) acrylic copolymer, the sour modified copolymer are to carry out acid to ethylene-(methyl) acrylate copolymer to change The mode of acid modified copolymer obtained from property is constituted.
By being set as the composition, performance possessed by thermoplastic resin material can be given full play to, work can be improved The tensile properties such as tensile elasticity, breaking strength for tyre performance.
The manufacturing method of the tire of the invention of (12-5) the 12nd viewpoint includes at least following process: tyre framework piece is formed Process forms the tyre framework piece for constituting a part of cricoid tyre framework body, the thermoplastic using thermoplastic resin material Property resin material contains Thermoplastic polyamide elastomer, alkene-(methyl) acrylic copolymer and to alkene-(methyl) third Olefin(e) acid ester copolymer carries out acid modified copolymer obtained from acid is modified；Tyre framework chip bonding process, to the tyre framework The joint surface of piece applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the tyre framework body.
The manufacturing method of the tire of the invention of 12nd viewpoint forms cricoid tyre framework using thermoplastic resin material The tyre framework piece of body.By making the thermoplastic resin material of the invention of the 12nd viewpoint contain polyamide-based thermoplastic elastic Body, specific copolymer and specific acid modified copolymer, mobility is excellent, therefore, can be easy to carry out and utilize thermoplastic resin The injection moulding of material.It is thus possible to improve the productivity of tire.
It is considered that itself the reason is as follows that.
Using acidic group possessed by specific acid modified copolymer, Thermoplastic polyamide elastomer and specific copolymerization can be improved The Combination of object, using Thermoplastic polyamide elastomer as marine facies, using specific copolymer as island phase when, island easy to form knot Structure.It is believed that sea can be improved between marine facies and island phase interface in specific acid modified copolymer in such island structure Phase and island phase compatibility.It is believed that by raising marine facies and island phase compatibility, in the viscosity of thermoplastic resin material It rises, but by the inclusion of specific copolymer, adjustable compatibility, mobility is excellent, therefore can be easy to carry out injection moulding.
(12-6), can be with the alkene-(methyl) propylene for the manufacturing method of the tire of the invention of the 12nd viewpoint Acid copolymer is ethylene-(methyl) acrylic copolymer, the sour modified copolymer is to ethylene-(methyl) acrylic ester copolymer Object carries out the mode of acid modified copolymer obtained from acid is modified to constitute.
By being set as the composition, performance possessed by thermoplastic resin material can be given full play to, work can be manufactured The excellent tire of the tensile properties such as tensile elasticity, breaking strength for tyre performance.
Scheme for solving the project of the 13rd viewpoint is as described below.
The tire of the invention of (13-1) the 13rd viewpoint is that at least have the cricoid wheel formed by thermoplastic resin material The tire of tire bone frame body, be the tyre framework body peripheral part have formed reinforcing cord layer reinforcement cord component and The thermoplastic resin material includes at least the tire of Thermoplastic polyamide elastomer and rubber.
The reinforcing cord layer can also intersect volume along the circumferential direction wound on the peripheral part of the tyre framework body It is wound on peripheral part.
The tire of the invention of 13rd viewpoint has by the thermoplastic resin comprising Thermoplastic polyamide elastomer and rubber The cricoid tyre framework body that rouge material is formed.
Here, " thermoplastic elastomer (TPE) " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
In addition, " Thermoplastic polyamide elastomer " is identical as the meaning of the invention of above-mentioned 1st viewpoint.
" rubber " is flexible high-molecular compound, in the present invention of the 13rd viewpoint, with already described thermoplastic elastomehc Property body it is different.
The high hard segment of the crystallinity and fusing point of thermoplastic elastomer (TPE) demonstrates flexibility as pseudo- crosslinking points activity.It is another Aspect, rubber have double bond etc. in strand, are crosslinked (vulcanization) by the way that sulphur etc. is added, and the eyed structure of 3 dimensions, table are generated Reveal elasticity.Therefore, thus thermoplastic elastomer (TPE) regenerates pseudo- crosslinking points by heating, hard segment melting, cooling again, can It recycles.On the other hand, rubber is crosslinked (vulcanization) and generates 3 dimension eyed structures, is lost flowability, even if being heated It is difficult to recycle.Wherein, uncrosslinked rubber shows behavior same as thermoplastic elastomer (TPE).
Thermoplastic resin in the present invention of 13rd viewpoint refers to thermoplastic resin, not comprising previous natural rubber The vulcanized rubbers such as glue, synthetic rubber.Wherein, " thermoplastic resin material " refers to including at least thermoplastic in the present invention of the 13rd viewpoint Property resin material, be also also contained in " thermoplastic resin material " comprising the material of rubber other than thermoplastic resin.
The thermoplastic resin material of the invention of 13rd viewpoint has flexibility, and excellent impact resistance.In addition, stretching bullet The property tensile properties such as modulus and tensile strength are also excellent.Therefore, the durability of tire, manufacturing when forming tyre framework body It is excellent.In turn, due to can simplify structure, there is the advantages of achievable lighting.
On the other hand, in the case where Thermoplastic polyamide elastomer is used alone, it is desirable to when adjusting its elasticity modulus, Need to control the ratio of hard segment and soft chain segment.In contrast, and if with Thermoplastic polyamide elastomer and rubber, lead to Both overregulate containing than heat can be easily adjusted compared with the case where Thermoplastic polyamide elastomer is used alone The elasticity modulus of plastic resin material.
However, be to generate under the vibration before and after 10Hz~100Hz near 50 DEG C due to the rolling resistance of tire, because This can indicate the size of rolling resistance when wanting to carry out viscoelastic measurement to tire with 30 DEG C~50 DEG C of tan δ.30 DEG C~tan δ hours of 50 DEG C, there are the tendencies that the rolling resistance of tire also becomes smaller.
Here, individual Thermoplastic polyamide elastomer can be seen that and is derived from when carrying out Measurement of Dynamic Viscoelasticity The peak of the tan δ of Thermoplastic polyamide elastomer, there are the elasticity modulus of Thermoplastic polyamide elastomer to become higher, peak The tendency that value is more displaced to high temperature side.For example, it is viscous to carry out dynamic to the UBESTA XPA9055X1 of Ube Industries, Ltd When elasticity measurement, peak is nearby detected at 10 DEG C.
On the other hand, when carrying out Measurement of Dynamic Viscoelasticity to rubber, peak usually is detected at -10 DEG C or less.Therefore, lead to Mixing Thermoplastic polyamide elastomer and rubber are crossed, ratio is compounded according to it, derived from the peak of Thermoplastic polyamide elastomer Height reduces, and the peak height derived from rubber rises.However, since the peak position of rubber is set to -10 DEG C hereinafter, therefore to 30 DEG C~50 DEG C The influence of tan δ tails off, therefore generally speaking tan δ is lower.
One mode of the tire of the invention of the 13rd viewpoint is, by including Thermoplastic polyamide elastomer and rubber Thermoplastic resin material formed tyre framework body peripheral part winding reinforce cord component and form reinforcing cord layer.If Reinforcing cord layer is formed in the peripheral part of tyre framework body, then puncture, resistance to incised wound property and the tire (wheel of tire can be improved Tire bone frame body) circumferencial direction rigidity.It should be noted that can inhibit by improving circumferencial direction rigidity by thermoplastic material (plastic deformation of tyre framework body is over time and increased existing under certain stress for the creep of the tyre framework body of formation As).
In addition, for Thermoplastic polyamide elastomer, since its melt viscosity is low, not only reinforcing curtain It is easy to be impregnated between the fiber of line components itself, and in the case where reinforcing twisted construction of the cord component for fiber in twisting curtain It is also easy to be impregnated between line.Therefore, high to the adaptation for reinforcing cord component, and the fixed performances such as heat seal strength are excellent.In addition, In the case where reinforcing cord component is organic fiber, since the Thermoplastic polyamide elastomer for forming tyre framework body is fusible It is connected to and reinforces cord component, therefore weldability is high and fixed performance is excellent.And then because of the elongation of Thermoplastic polyamide elastomer Rate is excellent and breaking property is excellent.Therefore, if using the thermoplasticity comprising Thermoplastic polyamide elastomer and other elastomers Resin material can then inhibit air to remain in the rolling step for for example reinforcing cord component and reinforce around cord component The phenomenon that (air entrance).If high to the adaptation and weldability of reinforcing cord and can inhibit air and enter reinforcement cord Component periphery can then effectively inhibit by input power when driving etc. and cause to reinforce cord component mobile.Example as a result, Such as, even the feelings of tire member of formation are arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body Condition, also can inhibit that reinforce cord component mobile, therefore, can inhibit it is peeling-off etc. (comprising tyre framework body) between these components, To improve the durability of tire.
(13-2) described thermoplastic resin material can also further include the thermoplasticity good with the compatibility of the rubber Elastomer.Especially contain the feelings of the sour modified body thermoplastic elastomer (TPE) good as the compatibility with rubber in thermoplastic resin material Under condition, it can make rubber micro disperse in thermoplastic resin material.In turn, it is believed that utilize polyamide-based thermoplastic elastic The interaction of body and sour modified position, improves tensile strength, even if it is assumed that being also that ductility occurs to break in ruinate situation It is bad, and it is not susceptible to brittle break, stratiform destruction.
It is so-called " good with rubber compatibility ", refer to when being mixed together thermoplastic elastomer (TPE) and rubber, the molecule bone of rubber Frame is similar with the molecular skeleton of thermoplastic elastomer (TPE), and the state or rubber of rubber are mixed into the discrete particles of thermoplastic elastomer (TPE) Discrete particles in be mixed into the state of thermoplastic elastomer (TPE).
Wherein, the thermoplastic elastomer (TPE) and all states of rubber in thermoplastic resin material are not needed, can be Thermoplastic elastomer (TPE) and rubber part in thermoplastic resin material are the state.
(13-3) can include the side of resin material with the reinforcing cord layer for the tire of the invention of the 13rd viewpoint Formula is constituted.If in this way in reinforcing cord layer including resin material, with the feelings for fixing reinforcement cord component with buffering adhesive Condition, which is compared, can make the difference of the hardness of tire and reinforcing cord layer small, therefore it is closely sealed solid further can to reinforce cord component It is scheduled in tyre framework body.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce curtain when driving Line components are mobile.Here, " resin material " is the material for including at least resin in the present invention of the 13rd viewpoint, not only comprising tree Rouge also may include rubber, inorganic compound.It should be noted that " resin " is comprising thermoplastic resin (comprising thermoplastic elastomehc Property body) and thermosetting resin concept, do not include rubber (including vulcanized rubber), inorganic compound.
In the case where making the reinforcing cord layer include resin material, (hardly possible is extracted out from the extractable for reinforcing cord is improved Degree) from the viewpoint of, the reinforcement cord component preferably its 20% or more surface is covered by resin material, and further preferred 50% It is above capped.In addition, for the content of the resin material in the reinforcing cord layer, from the extractable for improving reinforcement cord Viewpoint consider, relative to remove reinforce cord after composition reinforcing cord layer material total amount, preferably 20 mass % or more, Further preferably 50 mass % or more.
It when being constituted reinforcing cord layer in a manner of comprising resin material, can be formed as got off, for example, from along wheel tire bone When the section observation of the axis direction of frame body, at least part reinforces cord component and is embedded in be formed by thermoplastic resin material The peripheral part of tyre framework body.At this moment, be embedded with the tyre framework outer circumferential portion for reinforcing cord component includes polyamide-based heat The thermoplastic resin material of thermoplastic elastic and rubber is equivalent to the resin material for constituting reinforcing cord layer, by formation tyre framework The thermoplastic resin material and reinforcement cord component of body constitute the reinforcing cord layer.In addition, so that reinforcing cord layer includes tree When the mode of rouge material is constituted, can also be wound along the circumferencial direction of the tyre framework body with form the tyre framework body Resin material identical type resin material or different types of resin material covering reinforce cord obtained from cover cord Component.The identical type of resin material refers between ester system, the forms such as between polystyrene.
(13-4), can be so that polyamide-based thermoplastic in thermoplastic resin material for the tire of the invention of the 13rd viewpoint Property elastomer (x) and rubber (y) mass ratio (x:y) be 95:5~50:50 mode constitute.It in this way will be polyamide-based The mass ratio (x:y) of thermoplastic elastomer (TPE) (x) and rubber (y) is set as 95:5~50:50, and can further improve can be by polyamide The performance that the combination of based thermoplastic elastomer and rubber is shown.
Wherein, the case where thermoplastic resin material includes the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer Under, it can be with the total amount (y ') of the thermoplastic elastomer (TPE) other than rubber and Thermoplastic polyamide elastomer and polyamide-based thermoplastic Property elastomer (x) mass ratio (x:y ') be 95:5~50:50 mode constitute.
(13-5), can be with thermoplasticity polyamide-based in thermoplastic resin material for the tire of the invention of the 13rd viewpoint The mass ratio (x:y+z) of elastomer (x) and rubber (y) and the thermoplastic elastomer (TPE) (z) good with the compatibility of rubber be 95:5~ The mode of 50:50 is constituted.In this way by Thermoplastic polyamide elastomer (x) and rubber (y) and polyamide-based thermoplasticity The mass ratio (x:y+z) of the total amount (y+z) of thermoplastic elastomer (TPE) (z) other than elastomer is set as 95:5~50:50, can be into one Step improves the performance that can be shown by the combination of Thermoplastic polyamide elastomer and rubber.
(13-6), can be with the polyamide-based thermoplastic in thermoplastic resin material for the tire of the invention of the 13rd viewpoint Property elastomer and rubber total content be 50 mass of mass %~100 % mode constitute.It, can by being set as the composition Further increase the performance that can be shown by the combination of Thermoplastic polyamide elastomer and rubber.
Wherein, the case where thermoplastic resin material includes the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer Under, it can be with the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer, rubber and Thermoplastic polyamide elastomer Total amount is the mode of 50 mass of mass %~100 % to constitute.
(13-7), can be with the polyamides in the thermoplastic resin material for the tire of the invention of the 13rd viewpoint The total content of amine system thermoplastic elastomer (TPE), the rubber and the thermoplastic elastomer (TPE) good with the compatibility of the rubber is 50 matter The mode of the mass of %~100 % is measured to constitute.By being set as the composition, can further improve can be by polyamide-based thermoplasticity The performance that the combination of elastomer and rubber is shown.
By being set as the composition, can further improve can be by the combination table of Thermoplastic polyamide elastomer and rubber The performance revealed.
The effect of invention
According to the present invention of the 1st viewpoint, it can provide to can inhibit air and remain in and reinforce cord peripheral portion, when driving resistance to The tire that long property is high and productivity is excellent.
According to the present invention of the 2nd viewpoint, it can provide to can inhibit air and remain in and reinforce cord peripheral portion, when driving resistance to The tire of long property height and manufacturing and excellent impact resistance.
According to the present invention of the 3rd viewpoint, can provide using thermoplastic resin material formation and tensile elasticity and fracture The manufacturing method of property excellent tire and the tire.
According to the present invention of the 4th viewpoint, can provide formed using thermoplastic resin material, control stability it is excellent, simultaneously And the tire that rolling resistance is small.
According to the present invention of the 5th viewpoint, high resiliency can be provided and loss factor is low and then the wheel of excellent heat resistance Tire.
According to the present invention of the 6th viewpoint, the wheel excellent using thermoplastic resin material formation, antistatic effect can be provided Tire.
According to the present invention of the 7th viewpoint, can provide using thermoplastic resin material formation and even if springform quantitative change It also can inhibit the tire of rolling resistance increase greatly.
According to the present invention of the 8th viewpoint, springform being formed using resin material, that preferred scope can be obtained can be provided The tire measured and rolling resistance can be inhibited to increase.
According to the present invention of the 9th viewpoint, wheel being formed using resin material and that impact resistance can be improved can be provided Tire.
According to the present invention of the 10th viewpoint, it can provide to can inhibit air and remain in and reinforce cord peripheral portion, when driving Durability height, the not tire vulnerable to temperature change influence.
According to the present invention of the 11st viewpoint, can provide using thermoplastic resin material formed and excellent impact resistance, It can inhibit the tire of the temperature dependency of tensile yield strength.
According to the present invention of the 12nd viewpoint, it can provide using thermoplastic resin material formation and impact resistance and break The manufacturing method of the excellent tire of fragility and the excellent tire of productivity.
According to the present invention of the 13rd viewpoint, can provide can inhibit air remain in reinforce cord peripheral portion, impact resistance Excellent tire.
Detailed description of the invention
Figure 1A is the perspective view for indicating a part of section of tire of an embodiment of the invention.
Figure 1B is the sectional view of the bead part for being installed on wheel rim in an embodiment of the invention.
Fig. 2 is to indicate that the crown part of the carcass of tire of an embodiment of the invention is embedded with the state for reinforcing cord The sectional view along tire rotary shaft.
Fig. 3 is to bury the movement for reinforcing cord in the crown part of carcass for explanation cord heating device and roller class Explanatory diagram.
Fig. 4 is the sectional view of the tire of other embodiments of the present invention.
Fig. 5 A is the perspective view for indicating a part of section of tire of an embodiment of the invention.
Fig. 5 B is the sectional view of the bead part for being installed on wheel rim in an embodiment of the invention.
Fig. 6 is the cuing open along tire width direction indicated around the enhancement layer of the tire of an embodiment of the invention Face figure.
Fig. 7 is related to the 3rd viewpoint of the invention, is by the SEM of the coupons of the embodiment 3-1 of thermoplastic resin material manufacture Photo.
Fig. 8 is related to the 3rd viewpoint of the invention, is by the SEM of the coupons of the embodiment 3-8 of thermoplastic resin material manufacture Photo.
Fig. 9 is related to the 3rd viewpoint of the invention, is by the SEM of the coupons of the comparative example 3-3 of thermoplastic resin material manufacture Photo.
Figure 10 is related to the 5th viewpoint of the invention, indicates glass transition temperature and loss factor (Tan δ) in each material Relationship.
Figure 11 is related to the 7th viewpoint of the invention, is to mark and draw the Examples and Comparative Examples manufactured by thermoplastic resin material The chart of the relationship of the tensile modulus of elasticity and tan δ of each coupons.
Figure 12 is related to the 7th viewpoint of the invention, is to mark and draw the Examples and Comparative Examples manufactured by thermoplastic resin material The chart of the relationship of the tensile modulus of elasticity and tan δ of each coupons.It is explanatory diagram.
Figure 13 is related to the 10th viewpoint of the invention, is the tensile yield in the coupons marked and drawed for Examples and Comparative Examples The chart of the relationship of intensity and temperature.
Figure 14 is related to the 11st viewpoint of the invention, is the tensile yield in the coupons marked and drawed for Examples and Comparative Examples The chart of the relationship of intensity and temperature.
Specific embodiment
" present invention of the 1st viewpoint "
Firstly, including Thermoplastic polyamide elastomer to composition tyre framework body in the present invention of the 1st viewpoint Thermoplastic resin material and the resin material for constituting reinforcing cord layer are illustrated, then using figure to the present invention of the 1st viewpoint The specific embodiment of tire be illustrated.
[thermoplastic resin comprising Thermoplastic polyamide elastomer]
The tire of the invention of 1st viewpoint at least has by the thermoplastic resin material comprising Thermoplastic polyamide elastomer Expect the cricoid tyre framework body formed.
Here, so-called " Thermoplastic polyamide elastomer " refers to and constitutes crystallinity and the high hard segment of fusing point by having The thermoplastic resin that is formed with the copolymer for the polymer for constituting amorphism and the low soft chain segment of glass transition temperature of polymer Rouge material, constituting on the main chain of the polymer of hard segment has amido bond (- CONH-).As Thermoplastic polyamide elastomer, For example, amide based thermoplastic elastomer (TPA) of JIS K6418:2007 defined etc., Japanese Unexamined Patent Publication 2004- can be enumerated The polyamide-based elastomer etc. recorded in No. 346273 bulletins.
For the Thermoplastic polyamide elastomer, at least polyamide can be enumerated and constitute crystallinity and high hard of fusing point Segment, other polymer (for example, polyester or polyethers etc.) constitute the material of amorphism and the low soft chain segment of glass transition temperature. In addition, Thermoplastic polyamide elastomer other than hard segment and soft chain segment, can also use the chain extenders such as dicarboxylic acids.As The polyamide of the hard segment is formed, is generated for example, can enumerate by monomer shown in the following general formula (1) or general formula (2) Polyamide.
General formula (1)
[chemical formula 1]
H2N-R1-COOH
[in general formula (1), R1Indicate the hydrocarbon molecule chain of carbon number 2~20 or the alkylidene of carbon number 2~20.]
General formula (2)
[chemical formula 2]
[in general formula (2), R2Indicate the hydrocarbon molecule chain of carbon number 3~20 or the alkylidene of carbon number 3~20.]
In general formula (1), as R1, the preferably alkylidene of the hydrocarbon molecule chain of carbon number 3~18 or carbon number 3~18, further The preferably alkylidene of the hydrocarbon molecule chain of carbon number 4~15 or carbon number 4~15, particularly preferably the hydrocarbon molecule chain of carbon number 10~15 or The alkylidene of carbon number 10~15.In addition, in general formula (2), as R2, the preferably hydrocarbon molecule chain or carbon number 3~18 of carbon number 3~18 Alkylidene, the further preferably alkylidene of the hydrocarbon molecule chain of carbon number 4~15 or carbon number 4~15, particularly preferably carbon number 10 ~15 hydrocarbon molecule chain or the alkylidene of carbon number 10~15.
As monomer shown in the general formula (1) or general formula (2), omega-amino carboxylic acid, lactams can be enumerated.In addition, making For the polyamide for forming the hard segment, these omega-amino carboxylic acids, the condensation polymer of lactams, diamines and dicarboxylic acids can be enumerated Co-condensation polymer etc..
As the omega-amino carboxylic acid, 6-aminocaprolc acid, 7- aminoheptylic acid, 8- aminocaprylic acid, 10- ammonia can be enumerated Aliphatic omega-amino carboxylic acid of the carbon numbers 5~20 such as base capric acid, 11- amino undecanoic acid, 12 amino dodecanoic acid etc..In addition, As lactams, lauryl lactan, epsilon-caprolactams, 11 carbon lactams, ω-oenantholcatam, 2- pyrroles can be enumerated Aliphatic lactams of the carbon numbers such as alkanone 5~20 etc..
As the diamines, for example, ethylenediamine, trimethylene diamine, tetra-methylenedimine, hexa-methylene can be enumerated Diamines, heptamethylene diamines, eight methylene diamines, nine methylene diamines, decamethylene diamine, 11 methylene diamines, 12 Methylene diamine, 2,2,4- trimethylhexamethylenediamine, 2,4,4- trimethylhexamethylenediamine, 3- methyl pentamethylene two The diamine compounds such as the aliphatic diamine of the carbon numbers such as amine, m-xylene diamine 2~20.In addition, dicarboxylic acids can use HOOC- (R3)m- COOH(R3: 1) the hydrocarbon molecule chain of carbon number 3~20, m:0 are indicated, for example, can enumerate oxalic acid, succinic acid, glutaric acid, oneself The aliphatic dicarboxylic acid of the carbon numbers such as diacid, pimelic acid, suberic acid, azelaic acid, decanedioic acid, dodecanedioic acid 2~20.
As the polyamide of the hard segment is formed, it is preferable to use by lauryl lactan, epsilon-caprolactams or ten One carbon lactams carries out polyamide obtained from open loop polycondensation.
In addition, as the polymer for forming the soft chain segment, for example, polyester, polyethers can be enumerated, for example, can enumerate Polyethylene glycol, polypropylene glycol, poly-tetramethylene ether diol, ABA type triblock polyether etc., these polymer can be used alone or Using two or more.Further, it is possible to use polyether diamine as obtained from reacting the end of polyethers and ammonia etc. etc..
Here, " ABA type triblock polyether " refers to polyethers shown in the following general formula (3).
General formula (3)
[chemical formula 3]
[in general formula (3), x and z separately indicate 1~20 integer.Y indicates 4~50 integer.]
In the general formula (3), as x and z, it is respectively preferably 1~18 integer, further preferably 1~16 integer, Particularly preferably 1~14 integer, most preferably 1~12 integer.In addition, as y, being respectively preferably in the general formula (3) 5~45 integer, further preferably 6~40 integer, particularly preferably 7~35 integer, most preferably 8~30 it is whole Number.
As the combination of the hard segment and the soft chain segment, the above-mentioned hard segment and soft chain segment enumerated can be enumerated Various combinations.Wherein, open loop condensation polymer/polyethylene glycol combination of preferably lauryl lactan, lauryl lactan are opened The combination of ring condensation polymer/polypropylene glycol, open loop condensation polymer/poly-tetramethylene ether diol combination of lauryl lactan, 12 carbon Open loop condensation polymer/ABA type triblock polyether combination of lactams, open loop condensation polymer/ABA of particularly preferred lauryl lactan The combination of type triblock polyether.
As the number-average molecular weight for the polymer (polyamide) for constituting the hard segment, examined from the viewpoint of melt-moldability Consider, preferably 300~15000.In addition, the number-average molecular weight as the polymer for constituting the soft chain segment, from toughness and low From the viewpoint of tenderness is soft, preferably 200~6000.In turn, from the viewpoint of mouldability, the hard segment (x) and soft The mass ratio (x:y) of segment (y) is preferably 50:50~90:10, further preferably 50:50~80:20.
The Thermoplastic polyamide elastomer can be by making the polymerization to form the hard segment using well known method Object and the polymer copolymerization for forming soft chain segment synthesize.
As the Thermoplastic polyamide elastomer, it is, for example, possible to use Ube Industries, Ltd's systems of commercially available product " UBESTA XPA " series (for example, XPA9063X1, XPA9055X1, XPA9048X2, XPA9048X1, XPA9040X1, XPA9040X2 etc.), " VESTAMID " of Daicel-Evonik.Ltd. series (for example, E40-S3, E47-S1, E47-S3, E55-S1, E55-S3, EX9200, E50-R2) etc..
As the fusing point of the thermoplastic resin material comprising Thermoplastic polyamide elastomer, usually 100 DEG C~ 350 DEG C, preferably 100 DEG C~250 DEG C or so, from the viewpoint of the productivity of tire, preferably 120 DEG C~250 DEG C or so, Further preferably 130 DEG C~200 DEG C.It the use of fusing point is in this way 120~250 DEG C comprising polyamide-based thermoplastic elastic The thermoplastic resin material of body, for example, the skeleton body in welding tire dividing body (matrix tablet) and form the skeleton body of tire When, the heating temperature at joint portion can be set in the fusing point to form the thermoplastic resin material of tyre framework body or more.Due to The tire used of the invention of 1st viewpoint includes the thermoplastic resin material of Thermoplastic polyamide elastomer, therefore, even The skeleton body made of 120 DEG C~250 DEG C of temperature range welding, the adhesive strength between tyre framework piece are also abundant.Therefore, The excellent in te pins of durability when driving such as puncture, abrasion resistence of tire of the invention of the 1st viewpoint.It should be noted that institute Stating heating temperature is preferably than forming the thermoplastic resin material comprising Thermoplastic polyamide elastomer of tyre framework piece High 10~150 DEG C of the temperature of fusing point, further preferably high 10~100 DEG C of temperature.
In addition, containing to the Thermoplastic polyamide elastomer in thermoplastic resin material in the present invention of the 1st viewpoint Rate is not particularly limited, relative to the total amount of thermoplastic resin material, preferably 50~100 mass % or more, further preferably For 90~100 mass % or more.If the containing ratio of Thermoplastic polyamide elastomer is relative to the total of thermoplastic resin material Amount is the 50 mass % of mass %~100, then can give full play to the characteristic of Thermoplastic polyamide elastomer, tire can be improved Durability, productivity.In the thermoplastic resin material, also it can according to need containing rubber, other thermoplastic elastics Body, thermoplastic resin, various fillers (for example, silica, calcium carbonate, clay), age resister, oil, plasticizer, coloring The various additives such as agent, weather resisting agent, reinforcement material.
The heretofore described thermoplastic resin material comprising Thermoplastic polyamide elastomer as the 1st viewpoint The tensile modulus of elasticity of JIS K7113:1995 defined is (hereinafter, unless otherwise specified, in this specification " elasticity modulus " Refer to tensile modulus of elasticity.), preferably 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~ 700MPa.If the tensile modulus of elasticity of thermoplastic resin material is 100~1000MPa, tyre framework can kept Wheel rim assembling is effectively performed while shape.
The JIS of the heretofore described thermoplastic resin material comprising Thermoplastic polyamide elastomer of 1st viewpoint The tensile yield strength of K7113:1995 defined is preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~ 17MPa.If the tensile yield strength of thermoplastic resin material is 5MPa or more, can be resistant to being applied to wheel when driving etc. The deformation of the load of tire.
The JIS of the heretofore described thermoplastic resin material comprising Thermoplastic polyamide elastomer of 1st viewpoint The tensile yield elongation of K7113:1995 defined is preferably 10% or more, and more preferably 10~70%, further preferably 15~60%.If the tensile yield elongation of thermoplastic resin material is 10% or more, Hookean region increases, and can improve Wheel rim assemblability.
The heretofore described thermoplastic resin material comprising Thermoplastic polyamide elastomer as the 1st viewpoint The tensile failure elongation of JIS K7113:1995 defined, preferably 50% or more, more preferably 100% or more, further Preferably 150% or more, particularly preferably 200% or more.If the tensile failure elongation of thermoplastic resin material is 50% More than, then wheel rim assemblability can be made good, be collided survivable.
The heretofore described thermoplastic resin material comprising Thermoplastic polyamide elastomer as the 1st viewpoint The temperature of deflection under load (when load is 0.45MPa) of ISO75-2 or ASTM D648 defined, preferably 50 DEG C or more, more preferably It is 50~150 DEG C, further preferably 50~130 DEG C.If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, Then being vulcanized even if in the manufacture in tire can also inhibit tyre framework body to deform.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 1st viewpoint can be constituted so that reinforcing cord layer includes resin material.If added in this way Include resin material in strong cord ply, then compared with fixing the case where reinforcing cord component with buffering adhesive, tire can be made and added The difference of the hardness of strong cord ply is small, therefore will can further reinforce that cord component is closely sealed to be fixed in tyre framework body.? In the case where being only expressed as " resin " as described above, " resin " is comprising thermoplastic resin (comprising thermoplastic elastomer (TPE)) and thermosetting Property resin concept, do not include vulcanized rubber.
In turn, in the case where reinforcing cord component is all-steel cord, in tire processing if it is intended to cord will be reinforced Component is separated from buffering adhesive, then only heating is difficult to separate vulcanized rubber with cord component is reinforced, in contrast, only heating can So that resin material is separated with cord component is reinforced.Therefore, it is advantageous in terms of the recycling property of tire.In addition, resinous wood Expect usually lower than the loss factor of vulcanized rubber (Tan δ).It therefore, can be with if reinforcing cord layer includes many resin materials Improve the rollability of tire.In turn, have with the higher resin material of vulcanized rubber resilience in comparison modular ratio inplane shear rigidity it is big, Control stability, abrasion resistence when tire running also excellent advantage.
As can be used for the thermosetting resin of reinforcing cord layer, for example, phenolic resin, urea tree can be enumerated Rouge, melamine resin, epoxy resin, polyamide, polyester resin etc..
As the thermoplastic resin, for example, carbamate resins can be enumerated, olefin resin, vinyl chloride resin, gathered Amide resin, polyester resin etc..
As the thermoplastic elastomer (TPE), for example, the amide based thermoplastic of JIS K6418:2007 defined can be enumerated Elastomer (TPA), Polyester thermoplastic elastomer (TPE) (TPC), polyolefin thermoplastic elastomer (TPE) (TPO), polystyrene thermoplastic Property elastomer (TPS), polyurethane series thermoplastic elastomer (TPE) (TPU), thermoplastic elastomer crosslinked (TPV) or other thermoplasticity Elastomer (TPZ) etc..It should be noted that the mouldability etc. when elasticity required for considering when driving and manufacture, preferably makes Use thermoplastic elastomer (TPE).
In addition, the identical type of resin material refers between ester system, the forms such as between polystyrene.
For the elasticity modulus (tensile elasticity of JIS K7113:1995 defined of the resin material for reinforcing cord layer Modulus), it is preferably set in the range of 0.1 times~10 times of the elasticity modulus to form the thermoplastic resin of tyre framework body.? The elasticity modulus of the resin material is that 10 times of the elasticity modulus to form the thermoplastic resin material of tyre framework body are below In the case of, crown part will not become really up to the mark, be easy to carry out wheel rim assembling.In addition, the elasticity modulus in the resin material is shape At in the case where 0.1 times or more of the elasticity modulus of the thermoplastic resin material of tyre framework body, the tree of reinforcing cord layer is constituted Rouge will not be excessively soft, and belt inplane shear excellent rigidity, steering force improve.
In addition, (being extracted out in the case where the reinforcing cord layer includes resin material from the extractable for reinforcing cord is improved Difficulty) from the viewpoint of, the reinforcement cord component preferably its 20% or more surface is covered by resin material, further preferably 50% or more is capped.In addition, for the content of the resin material in the reinforcing cord layer, from the extraction for improving reinforcement cord Property from the viewpoint of, relative to remove reinforce cord after composition reinforcing cord layer material total amount, preferably 20 mass % More than, further preferably 50 mass % or more.
[1-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 1-1 embodiment of the tire of the invention of the 1st viewpoint.
The tire 10 of present embodiment is illustrated.Fig. 1 (A) is the tire for indicating an embodiment of the invention The perspective view of a part of section.Fig. 1 (B) is mounted to the sectional view of the bead part of wheel rim.As shown in Figure 1, present embodiment Tire 10 shows the section shape substantially same with the previous common pneumatic tire of rubber system.
As shown in Fig. 1 (A), tire 10 has carcass (tyre case) 17, and the carcass 17 includes: with shown in Fig. 1 (B) Wheel rim 20 bcad seats 21 and wheel rim flange 22 contact 1 pair of bead part 12, from bead part 12 to tire radial outside be unfolded Sidewall 14, connect side sidewall 14 tire radial outside end and the other side sidewall 14 tire radial outside The crown part 16 (peripheral part) at end.
Here, the carcass 17 of present embodiment by Thermoplastic polyamide elastomer (Ube Industries, Ltd 162 DEG C of " UBESTA XPA9055X1 ", fusing point) it is formed.Carcass 17 is (poly- by single thermoplastic resin material in present embodiment Amide based thermoplastic elastomer) formed, but the 1st viewpoint the present invention is not limited to this composition, can also with it is previous common The pneumatic tire of rubber system is same, has in each position (sidewall 14, crown part 16, bead part 12 etc.) use of carcass 17 The thermoplastic resin material of different characteristic.Alternatively, it is also possible in carcass 17 (for example, bead part 12, sidewall 14, crown part 16 Deng) in bury configuration reinforcement material (high molecular material, metal fiber, cord, non-woven fabrics, woven cloths etc.), use armature Material reinforces carcass 17.
The carcass 17 of present embodiment is a pair of of carcass halfbody (the wheel tire bone for making to be formed by Thermoplastic polyamide elastomer Frame piece) engage between 17A made of.Carcass halfbody 17A is formed as follows: being made with a bead part 12 and a sidewall 14 and half Width crown part 16 is one and faces each other entirely through the circular carcass halfbody 17A of the molding the same shape such as injection moulding Face engages in equatorial plane part and is formed.It should be noted that carcass 17 is not limited to engage two components to be formed, Three can be engaged to be formed with upper member.
The carcass halfbody 17A formed by Thermoplastic polyamide elastomer can for example, by vacuum forming, pressure empty shaping, Injection moulding, founding etc. form.Therefore, it compared with as in the past with rubber-moulding carcass the case where, does not need to carry out sulphur Change, can significantly simplify manufacturing process, it can be with shortening forming time.
In addition, in present embodiment, since carcass halfbody 17A is symmetrical shape, that is, the carcass halfbody 17A of side It is set as the same shape with the carcass halfbody 17A of the other side, is one kind there are also the mold of shaped carcass halfbody 17A therefore The advantages of.
In present embodiment, as shown in Fig. 1 (B), bead part 12 be embedded with it is same as previous common pneumatic tire, The circular bead core 18 being made of all-steel cord.However, the 1st viewpoint the present invention is not limited to this composition, as long as can Ensure that the rigidity of bead part 12, there is no problem with the Qian He of wheel rim 20, also can be omitted bead core 18.It should be noted that removing Other than all-steel cord, can also by organic fiber cord, the organic fiber cord or the hard resin that are covered with resin etc. be come shape At.
In present embodiment, bead part 12 the part contacted with wheel rim 20, at least with the wheel rim flange 22 of wheel rim 20 The part of contact is formed with by the excellent material of the Thermoplastic polyamide elastomer leakproofness than constituting carcass 17, such as rubber The circular sealant 24 that glue is constituted.The sealant 24 can also be in the portion that carcass 17 (bead part 12) and bcad seats 21 contact Divide and is formed.The material excellent as the Thermoplastic polyamide elastomer leakproofness than constituting carcass 17, can be used than constituting The soft material of the Thermoplastic polyamide elastomer of carcass 17.As the rubber that can be used for sealant 24, it is preferable to use with The same kind of rubber of rubber outside the bead part of the pneumatic tire of previous common rubber system.In addition, if only with poly- Amide based thermoplastic elastomer may insure the leakproofness between wheel rim 20, then also can be omitted the sealant 24 of rubber, also The other thermoplastic resins (thermoplastic elastomer (TPE)) more excellent than Thermoplastic polyamide elastomer leakproofness can be used.As this Other thermoplastic resins of sample, can enumerate polyurethane series resin, polyolefin-based resins, polystyrene resin, polyester resin Equal resins, these resins and blend of rubber or elastomer etc..Furthermore it is also possible to using thermoplastic elastomer (TPE), for example, can Enumerate Polyester thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE), polyolefin The blend etc. of combination and rubber between thermoplastic elastomer (TPE) or these elastomers.
As shown in Figure 1, in crown part 16, than constituting the Thermoplastic polyamide elastomer of carcass 17 rigidly high reinforcement curtain Line 26 is wound along the circumferencial direction of carcass 17.In the sectional view of the axis direction along carcass 17, reinforce cord 26 at least one Part is spirally wound in the state of being embedded in crown part 16, forms reinforcing cord layer 28.In the wheel of reinforcing cord layer 28 Tire radially outer peripheral side, configured with by the excellent material of the Thermoplastic polyamide elastomer abrasion resistence than constituting carcass 17, example The tyre surface 30 formed such as rubber.
It is illustrated with Fig. 2 to using the reinforcing cord layer 28 for reinforcing the formation of cord 26.Fig. 2 is to indicate 1-1 embodiment party The crown part in carcass of the tire of formula is embedded with the sectional view along tire rotary shaft for reinforcing the state of cord.As shown in Fig. 2, In the sectional view of the axis direction along carcass 17, reinforce cord 26 in the state of being embedded in crown part 16 at least partially It spirally winds, is formed together reinforcing cord layer 28 shown in dotted lines in Figure 2 with a part of the peripheral part of carcass 17.It is formed It is close by the inbuilt part of crown part 16 and the Thermoplastic polyamide elastomer of composition crown part 16 (carcass 17) to reinforce cord 26 The state of conjunction.As cord 26 is reinforced, the monofilament such as metallic fiber, organic fiber (monofilament) can be used or by steel Multifilament made of all-steel cord made of silk fiber twisting etc. twists these fibers (twisting silk) etc..It should be noted that this In embodiment, as cord 26 is reinforced, all-steel cord can be used.
In addition, burying amount L in Fig. 2 indicates to reinforce cord 26 relative to carcass 17 (crown part 16) to tire rotary shaft side To embedded amount.Reinforce cord 26 preferably reinforces the diameter D of cord 26 relative to the embedded amount L of crown part 16 1/5 or more, Further preferably more than 1/2.It is buried moreover, most preferably reinforcing 26 entirety of cord by crown part 16.If reinforcing cord 26 Embedded amount L is more than the 1/2 of the diameter D of reinforcement cord 26, then reinforces cord 26 and be dimensionally not easy to protrude from embedded portion.In addition, If reinforced, cord 26 is whole to be buried by crown part 16, and surface (outer peripheral surface) becomes flat, even if being embedded with reinforcement cord Component is loaded on 26 crown part 16 can also inhibit air to enter reinforcement cord peripheral portion.It should be noted that reinforcing cord Layer 28 is equivalent to the belt for being configured at the carcass outer peripheral surface of the pneumatic tire of previous rubber system.
Tyre surface 30 is configured in the tire radially outer peripheral side of reinforcing cord layer 28 as described above.Rubber for the tyre surface 30 It is preferable to use with the same kind of rubber of the rubber of the pneumatic tire for previous rubber system.It should be noted that can also be with Instead of tyre surface 30, using by the heat of the excellent other types of the Thermoplastic polyamide elastomer abrasion resistence than constituting carcass 17 The tyre surface that plastic resin material is formed.In addition, tyre surface 30 is same as the pneumatic tire of previous rubber system, can be connect with road surface Ground forms the tread pattern formed by multiple ditches.
In the following, being illustrated to the manufacturing method of the tire of the invention of the 1st viewpoint.
(carcass molding procedure)
Firstly, making to face each other face between the carcass halfbody supported by thin metal supporting rings.Next, with carcass half The jointing die that figure is omitted is arranged in the mode that the outer peripheral surface of the abutment portion of body connects.Here, the jointing die is with rule The mode on joint portion (abutment portion) periphery of fixed pressure bias carcass halfbody A is constituted.Next, in the heat for constituting carcass More than the fusing point of plastic resin material push the joint portion periphery of carcass halfbody.By jointing die to the joint portion of carcass halfbody When carrying out heating pressurization, welding between the joint portion melting and carcass halfbody, these components become an entirety and are formed Carcass 17.It should be noted that being heated in present embodiment with joint portion of the jointing die to carcass halfbody, but the 1st sees Point the present invention is not limited to this, for example, it is also possible to be carried out by heating generator set in addition etc. to the joint portion Heating, or first passing through hot wind, infrared radiation in advance etc. is softened or melted it, pressurize by jointing die makes carcass half Body engagement.
(reinforcing cord component rolling step)
In the following, being illustrated with Fig. 3 to cord rolling step is reinforced.Fig. 3 is for explanation cord heating device and roller Class buries the explanatory diagram for reinforcing the movement of cord in the crown part of carcass.In Fig. 3, cord feedway 56 has: being wound with and adds The spool 58 of strong cord 26, configuration are being reinforced in the cord heating device 59 of the cord conveyance direction downstream side of spool 58, configuration 1st roller 60 of the conveyance direction downstream side of cord 26, the direction for separateing the 1st roller 60 to opposing tire outer peripheral surface are moved 1st cylinder unit 62, configuration the 1st roller 60 reinforcement cord 26 conveyance direction downstream side the 2nd roller 64 and make the 2nd roller 64 The 2nd mobile cylinder unit 66 of the direction being separate to opposing tire outer peripheral surface.2nd roller 64 can be used as the cooling use of made of metal Roller utilizes.In addition, in present embodiment, for the surface of the 1st roller 60 or the 2nd roller 64, in order to inhibit to melt or soften The attachment of Thermoplastic polyamide elastomer and with fluororesin (in present embodiment, be teflon (registered trademark)) coating.It needs It is noted that cord feedway 56 is set as the composition with the 1st roller 60 or the 2nd 64 two rollers of roller in present embodiment, But the 1st viewpoint the present invention is not limited to this composition, be also possible to only with any one roller (that is, 1 roller) composition.
In addition, cord heating device 59 has the heater 70 and fan 72 for generating hot wind.In addition, cord heating device 59 Have: reinforcing cord 26 by the heater box 74 of the internal inner space that can be supplied to hot wind and heated reinforcement cord 26 is discharged Outlet 76.
In this process, firstly, rising the temperature of the heater 70 of cord heating device 59, with the rotation for passing through fan 72 Then the wind direction heater box 74 generated conveys the air that surrounding is heated by heater 70.Then, add what is rolled out from spool 58 Internally space is conveyed in the heater box 74 of Hot-blast Heating and is heated (for example, the temperature that will reinforce cord 26 strong cord 26 Degree is heated to 100~200 DEG C or so).Heated reinforcement cord 26 is rotated by outlet 76, in the direction arrow R along Fig. 3 Carcass 17 crown part 16 outer peripheral surface with some tension wind it is spiral.Here, heated reinforcement cord 26 contacts When the outer peripheral surface of crown part 16, the Thermoplastic polyamide elastomer melting or softening of contact portion, heated reinforcement cord 26 at least part is buried by the outer peripheral surface of crown part 16.At this moment, since heated reinforcement cord 26 is melted or is softened Thermoplastic polyamide elastomer it is embedded, therefore, Thermoplastic polyamide elastomer and reinforce cord 26 and become very close to each other State that is, closely sealed state.It can inhibit and enter to the air for being embedded with the part for reinforcing cord 26 as a result,.It needs to illustrate , it is heated to the temperature higher than the fusing point of the Thermoplastic polyamide elastomer of carcass 17 by the way that cord 26 will be reinforced, can be promoted Into the melting or softening of the Thermoplastic polyamide elastomer for reinforcing the part that cord 26 contacts.By so operating, become to hold Easily in the embedded reinforcement cord 26 of the outer peripheral surface of crown part 16, and air entrance can be effectively inhibited.
In addition, the embedded amount L for reinforcing cord 26 can be by reinforcing the heating temperature of cord 26, acting on and reinforce cord 26 Tension and adjusted by pushing force etc. that the 1st roller 60 generates.Moreover, reinforcing the embedded amount L of cord 26 in present embodiment 1/5 or more the mode of the diameter D of reinforcement cord 26 is thought to set.It should be noted that as the embedded of cord 26 is reinforced L is measured, is further preferably more than the 1/2 of diameter D, most preferably reinforcement cord 26 is whole is buried.
It is wound while warmed-up reinforcement cord 26 is embedded in the outer peripheral surface of crown part 16 in this way, in carcass The peripheral side of 17 crown part 16 forms reinforcing cord layer 28.
Then, in outer peripheral surface 1 week vulcanized band-like tyre surface 30 of winding of carcass 17 and in the outer peripheral surface of carcass 17 Tyre surface 30 is bonded with bonding agent etc..It is used it should be noted that for example previously known retread can be used in tyre surface 30 Precuring (precure) tyre surface.This process is the work of precuring tyre surface Nian Jie with the outer peripheral surface in old tire of retread The same process of sequence.
Then, as long as in the bonding such as bonding agent of bead part 12 of carcass 17 by the sealant that vulcanized rubber is formed 24, just complete tire 10.
(effect)
In the tire 10 of present embodiment, since carcass 17 is formed by Thermoplastic polyamide elastomer, heat-resisting Property, tensile modulus of elasticity, tensile strength and breaking strain are excellent and simple with the tire structure compared of previous rubber system, Therefore it is light-weight.Therefore, the rub resistance of the tire 10 of present embodiment and durability are high.In turn, due to constituting the poly- of carcass 17 The fusing point of amide based thermoplastic elastomer is 162 DEG C, therefore can sufficiently carry out carcass halfbody 17A's at such as 250 DEG C or less Engagement, therefore, can inhibit energy consumption, so as to inhibit to heat required cost.
In addition, Thermoplastic polyamide elastomer is high to the adaptation for reinforcing cord 26, and the stationarity such as heat seal strength It can be excellent.Therefore, can inhibit the phenomenon that reinforce cord rolling step in air remain in reinforce 26 surrounding of cord (air into Enter).If high to the adaptation and weldability of reinforcing cord 26 and can inhibit air and enter and reinforce cord component periphery, It can effectively inhibit by input power when driving etc. and cause to reinforce cord 26 mobile.Even as a result, for example, in tire The case where tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of skeleton body, also can inhibit reinforcement Cord component is mobile, therefore, can inhibit peeling-off etc. (comprising tyre framework body) between these components, the durability of tire 10 mentions It is high.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than Thermoplastic polyamide elastomer, because This, can be improved the circumferencial direction rigidity of puncture, resistance to incised wound property and tire 10.It should be noted that by improving tire 10 Circumferencial direction rigidity, the creep of carcass 17 formed by thermoplastic resin material can be prevented.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 be embedded in the outer peripheral surface of the crown part 16 of the carcass 17 formed by Thermoplastic polyamide elastomer and with it is polyamide-based Thermoplastic elastomer (TPE) is closely sealed, therefore can inhibit the entrance of air when manufacture, can inhibit by input power when driving etc. and causes It is mobile to reinforce cord 26.It can inhibit peeling-off etc., the durability of tire 10 of reinforcing cord 26, carcass 17 and tyre surface 30 as a result, It improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
Reinforcing cord layer 28 includes Thermoplastic polyamide elastomer to fix reinforcement with buffering adhesive when constituting like this The case where cord 26, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further reinforce curtain Line 26 is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, traveling can be effectively inhibited Shi Jiaqiang cord component is mobile.
In turn, in the case where reinforcing cord 26 is all-steel cord, due to that can will be added by heating when tire is handled Strong cord 26 is easily separated recycling from Thermoplastic polyamide elastomer, therefore, in terms of the recycling property of tire 10 It is advantageous.In addition, since loss factor (Tan δ) is low compared with vulcanized rubber for Thermoplastic polyamide elastomer, such as Fruit reinforcing cord layer 28 includes many Thermoplastic polyamide elastomers, then the rollability of tire can be improved.In turn, polyamide Based thermoplastic elastomer has control stability, the abrasion resistence when inplane shear rigid greatly, tire running compared with vulcanized rubber Also excellent advantage.
In addition, being contacted due to being constituted with the rubber material for having abrasion resistence than Thermoplastic polyamide elastomer with road surface Tyre surface 30, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by having than Thermoplastic polyamide elastomer The sealant 24 that the rubber material of leakproofness is constituted, therefore, the leakproofness between tire 10 and wheel rim 20 improve.Therefore, with The case where wheel rim 20 is sealed with Thermoplastic polyamide elastomer is compared, and the air leakage in tire can be further suppressed.In addition, By the way that sealant 24 is arranged, wheel rim installation is also improved.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point Thermoplastic polyamide elastomer melting or softening composition, but the 1st viewpoint the present invention is not limited to this composition, It can be to heat the embedded crown part 16 for reinforcing cord 26 with hot wind generating means in the case where not heating and reinforcing cord 26 Then outer peripheral surface will reinforce cord 26 and be embedded in the mode of crown part 16 being arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 1st in 1-1 embodiment Viewpoint the present invention is not limited to this composition, also can be set as directly heating reinforcement with radiant heat (for example, infrared ray etc.) The composition of cord 26.
In turn, in 1-1 embodiment, be set as being embedded with the thermoplastic resin material melting for reinforcing cord 26 or The part softened forces cooling composition with metal 2nd roller 64, but the 1st viewpoint the present invention is not limited to the structures At, also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Melting or the part that has softened force the composition of cooling and solidifying.
In addition, being set as the composition heated to reinforcement cord 26, but can also set in 1-1 embodiment For the composition that is covered with thermoplastic resin material identical with carcass 17 of periphery that will for example reinforce cord 26, in such case Under, will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
The tire 10 of 1-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 1st viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
More than, it enumerates embodiment and the embodiments of the present invention of the 1st viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 1st viewpoint is of the invention Interest field is not limited to these embodiments certainly.
[1-2 embodiment]
In the following, according to attached drawing to the 1-2 embodiment of the manufacturing method of the tire of the invention of the 1st viewpoint and tire into Row explanation.The tire of present embodiment is same as above-mentioned 1-1 embodiment, shows the inflation with previous common rubber system The substantially same section shape of tire.Therefore, in figure below, for similarly constituting note with the 1-1 embodiment Upper like numbering.Fig. 5 (A) is the sectional view along tire width direction of the tire of 1-2 embodiment, and Fig. 5 (B) is The enlarged drawing for having the section along tire width direction of the bead part of state of wheel rim is fitted on the tire of 1-2 embodiment. In addition, Fig. 6 is the sectional view along tire width direction indicated around the enhancement layer of the tire of 1-2 embodiment.
The tire of 1-2 embodiment is same as above-mentioned 1-1 embodiment, and carcass 17 is by polyamide-based thermoplastic elastic Body (162 DEG C of " UBESTA XPA9055X1 ", the fusing point of Ube Industries, Ltd) formation.In present embodiment, tire 200 As shown in Figures 5 and 6, the reinforcement cord that covering cord component 26B along the circumferential direction winds and constitutes is laminated in crown part 16 28 (in Fig. 6 shown in dotted line) of layer.The reinforcing cord layer 28 constitutes the peripheral part of carcass 17, can reinforce the circumferencial direction of crown part 16 Rigidity.It should be noted that the outer peripheral surface of reinforcing cord layer 28 is included in the outer peripheral surface 17S of carcass 17.
Covering cord component 26B is in the rigid high cord structure of the Thermoplastic polyamide elastomer than forming carcass 17 Cover what the covering different from the Thermoplastic polyamide elastomer of carcass 17 is formed was formed with resin material 27 on part 26A. In addition, covering cord component 26B is with the contact portion of crown part 16, covering cord component 26B and crown part 16 engage (example Such as, welding or be bonded with bonding agent).
In addition, covering is preferably set to the springform to form the resin material of carcass 17 with the elasticity modulus of resin material 27 In the range of 0.1 times~10 times of amount.It with the elasticity modulus of resin material 27 is the thermoplastic resin to form carcass 17 in covering In 10 times of situations below of the elasticity modulus of material, crown part will not become really up to the mark, be easy to carry out wheel rim assembling.In addition, Covering is to form the thermoplastic resin material of carcass 17 0.1 times or more of elasticity modulus with the elasticity modulus of resin material 27 In the case of, the resin for constituting reinforcing cord layer 28 will not be excessively soft, and belt inplane shear excellent rigidity, steering force improve.It needs Illustrate, in present embodiment, as covering resin material 27, uses material same as thermoplastic resin material (this It is " the UBESTA XPA9055X1 " of Ube Industries, Ltd in embodiment).
In addition, as shown in fig. 6, the section shape of covering cord component 26B is generally trapezoidal.It should be noted that hereinafter, The upper surface (face of tire radial outside) for covering cord component 26B is indicated with symbol 26U, lower surface (tire radial direction inner side Face) indicated with symbol 26D.In addition, being generally trapezoidal to cover the section shape of cord component 26B in present embodiment Constitute, but the 1st viewpoint the present invention is not limited to this composition, as long as section shape is in addition to from the lower surface side 26D (tire diameter Shape other than the shape to broaden to the upper surface side 26U (tire radial outside) inwardly), then can be any shape.
As shown in fig. 6, being configured since covering cord component 26B is along the circumferential direction vacated with a gap, adjacent covering Gap 28A is formed between cord component 26B.Therefore, the outer peripheral surface of reinforcing cord layer 28 becomes concave-convex, the reinforcing cord layer 28 The outer peripheral surface 17S for constituting the carcass 17 of peripheral part also becomes concave-convex.
Fine roughening bumps are formed uniformly in the outer peripheral surface 17S (including bumps) of carcass 17, by cement at it Upper engagement buffering adhesive 29.It is concave-convex that the rubber part of the radially inner side of the buffering adhesive 29 flows into roughening.
In addition, (outer peripheral surface) engages the material excellent by the resin material abrasion resistence than forming carcass 17 on buffering adhesive 29 The tyre surface 30 that material, such as rubber are formed.
It should be noted that for tyre surface 30 rubber (tread-rubber 30A) it is preferable to use with for previous rubber system Pneumatic tire the same kind of rubber of rubber.Alternatively, it is also possible to replace tyre surface 30, using by the resin than forming carcass 17 The tyre surface that the resin material of the excellent other types of material abrasion resistence is formed.In addition, tyre surface 30 and previous rubber system are filled Air filled tyre is same, can form the tread pattern formed by multiple ditches with the ground plane on road surface (diagram is omitted).
Then the manufacturing method of the tire of present embodiment is illustrated.
(skeleton formation process)
Firstly, same as above-mentioned 1-1 embodiment operate, carcass halfbody 17A is formed, by jointing die to its gap Heating pushes, and forms carcass 17.
(reinforcing cord component rolling step)
The manufacturing device of tire in present embodiment is same as above-mentioned 1-1 embodiment, in above-mentioned 1-1 embodiment party In the cord feedway 56 shown in Fig. 3 of formula, using being wound on spool 58 by cord component 26A covering resinous wood The section shape for expecting 27 (being thermoplastic material in present embodiment) covering is the dress of generally trapezoidal covering cord component 26B It sets.
Firstly, rising the temperature of heater 70, conveyed with the wind direction heater box 74 that the rotation by fan 72 generates The air of surrounding is heated by heater 70.By the covering cord component 26B rolled out from spool 58, internally space is added by hot wind It conveys and is heated (for example, making the temperature covering resin for covering the outer peripheral surface of cord component 26B in the heater box 74 of heat More than the fusing point of material 27).Here, covering cord component 26B is heated, and thus covering resin material 27 becomes melting or soft The state changed.
Then, covering cord component 26B by outlet 76, in the tire of the carcass 17 rotated along paper close to reader direction The outer peripheral surface of bizet 16 is wound spiral with some tension.At this moment, the outer peripheral surface of crown part 16 is with covering cord component 26B's Lower surface 26D contact.Moreover, the melting of the part of contact or the covering of soft state are with resin material 27 in the outer of crown part 16 It is extended on circumferential surface, outer peripheral surface of the covering cord component 26B welding in crown part 16.Crown part 16 and covering cord component as a result, The bond strength of 26B improves.
(roughening treatment process)
Then, with the injection apparatus of illustration omitted, the outer peripheral surface 17S towards carcass 17 on one side rotates 17 side of carcass, and one Side high speed projects projection material to outer peripheral surface 17S.The projection material impacts outer peripheral surface 17S of injection, forms on outer peripheral surface 17S The fine roughening that arithmetic average roughness Ra is 0.05mm or more is concave-convex.
Fine roughening bumps are formed in the outer peripheral surface 17S of carcass 17 in this way, outer peripheral surface 17S becomes hydrophily, after The wetability for the cement stated improves.
(lamination process)
Then, cement is coated in the outer peripheral surface 17S for the carcass 17 for having carried out roughening treatment.
It should be noted that triazine thiol system bonding agent, chlorinated rubber system bonding agent, phenol can be enumerated as cement It is resin adhesive, isocyanates system bonding agent, halogenated rubber system bonding agent, rubber series bonding agents etc., is not particularly limited, it is excellent It is selected at the temperature (90 DEG C~140 DEG C) that buffering adhesive 29 can vulcanize and reacts.
Then, the buffering adhesive 29 that 1 week unvulcanized state is wound on the outer peripheral surface 17S for be coated with cement, in the buffering The cement such as gum cement (gum cement) composition is coated on glue 29, and wind on it vulcanized within 1 week or The tread-rubber 30A of semi-cure state forms undressed carcass state.
(vulcanization process)
Then undressed carcass is accommodated in sulfur still, vulcanized in mold.At this moment, unvulcanized buffering adhesive 29 flows into Through roughening treatment in the roughening bumps that the outer peripheral surface 17S of carcass 17 is formed.Moreover, when vulcanisation has been completed, it is thick by flowing into Change concave-convex buffering adhesive 29, anchor effect, the bond strength raising of carcass 17 and buffering adhesive 29 can be played.That is, by buffering adhesive 29, the bond strength raising of carcass 17 and tyre surface 30.
Then, it is formed as long as being bonded in bonding agent of bead part 12 of carcass 17 etc. by the soft material softer than resin material Sealant 24, just complete tire 200.
(effect)
In the tire 200 of present embodiment, since carcass 17 is formed by Thermoplastic polyamide elastomer, resistance to Hot, tensile modulus of elasticity, tensile strength and breaking strain are excellent, and the tire structure compared letter with previous rubber system Easily, therefore it is light-weight.Therefore, the rub resistance of the tire 200 of present embodiment and durability are high.In turn, due to constituting carcass 17 Thermoplastic polyamide elastomer fusing point be 162 DEG C, therefore can such as 250 DEG C or so sufficiently carry out carcass halfbodies Therefore the engagement of 17A can inhibit energy consumption, so as to inhibit to heat required cost.In addition, polyamide-based heat Thermoplastic elastic is high to the cementability of covering cord component 26B.
Reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting in this way The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord 26A is all-steel cord, due to can be by cord component when tire is handled 26A is easily separated recycling from covering cord component 26B by heating, therefore, is in terms of the recycling property of tire 200 It is advantageous.In addition, since loss factor (Tan δ) is low compared with vulcanized rubber for Thermoplastic polyamide elastomer, if Reinforcing cord layer 28 includes many Thermoplastic polyamide elastomers, then the rollability of tire can be improved.In turn, polyamide-based Thermoplastic elastomer (TPE) has control stability, the abrasion resistence when inplane shear rigid greatly, tire running compared with vulcanized rubber Excellent advantage.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction rigidity of tire 200 It improves.By improving circumferencial direction rigidity, can inhibit the creep of carcass 17, (plastic deformation of carcass 17 is at any time under certain stress Between the phenomenon that elapsing and increasing), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 1st viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to melt in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 1-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming carcass 17 Constitute, but the 1st viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 1-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 1st viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape.
In 1-2 embodiment, buffering adhesive 29, but this hair of the 1st viewpoint are configured between carcass 17 and tyre surface 30 It is bright to be not limited to this, it also can be set as the composition that buffering adhesive 29 is not configured.
In addition, being set as covering the structure of cord component 26B to 16 spirally winding of crown part in 1-2 embodiment At, but the present invention is not limited thereto for the 1st viewpoint, also can be set as discontinuous in width direction to cover cord component 26B The composition that winds of mode.
In 1-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as heat Plastic material is melted by the way that the covering resin material 27 is thermally formed melting or soft state by cord component 26B is covered Connect the composition in the outer peripheral surface of crown part 16, but the 1st viewpoint the present invention is not limited to this composition, also can be set as not Covering cord component 26B is bonded in in the case where heating covering resin material 27 with bonding agent etc. the outer peripheral surface of crown part 16 Composition.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, be bonded in the case where not heating covering cord component 26B with bonding agent etc. crown part 16 outer peripheral surface composition.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 1-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 1st viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 1st viewpoint is of the invention Interest field is not limited to these embodiments certainly.
In turn, although with 1-1 embodiment and 1-2 embodiment to the concrete mode of the invention of the 1st viewpoint into Gone explanation, but the 1st viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 2nd viewpoint "
In the following, to composition tyre framework body in the present invention of the 2nd viewpoint comprising Thermoplastic polyamide elastomer and The thermoplastic resin material of other elastomers and the resin material for constituting reinforcing cord layer are illustrated, then using figure to the 2nd The specific embodiment of the tire of the invention of viewpoint is illustrated.
[thermoplastic resin comprising Thermoplastic polyamide elastomer and other elastomers]
The tire of the invention of 2nd viewpoint at least has by comprising Thermoplastic polyamide elastomer and other elastomers The cricoid tyre framework body that thermoplastic resin material is formed.
Here, the same polyamide of the present invention with above-mentioned 1st viewpoint can be used in " Thermoplastic polyamide elastomer " Based thermoplastic elastomer.
" other elastomers other than Thermoplastic polyamide elastomer ", which refer to, constitutes crystallinity and fusing point by having The polymer of the high hard segment of the high hard segment or cohesive force soft chain segment low with composition amorphism and glass transition temperature Polymer copolymer formed thermoplastic resin material, constitute hard segment polymer be on main chain have amido bond (- CONH- the polymer other than polyamide), for example, being obtained and polymerizeing carbamate, styrene, alkene or polyester etc. Polyurethane, polystyrene, polyolefin, polyester for arriving etc..As other elastomers, for example, JIS K6418 can be enumerated: The polyurethane series thermoplastic elastomer (TPE) (TPU) of 2007 defineds, polystyrene thermoplastic elastomer (TPE) (TPS), polyolefin heat Thermoplastic elastic (TPO), Polyester thermoplastic elastomer (TPE) (TPC) etc..From the viewpoint of the extractable for reinforcing cord, as it Its elastomer is, it is preferable to use polyurethane series elastomer.
Polyurethane series thermoplastic elastomer (TPE)-
For the polyurethane series thermoplastic elastomer (TPE), at least polyurethane can be enumerated and constituted through physical aggregation formation Hard segment, the other polymer of puppet crosslinking constitute the material of amorphism and the low soft chain segment of glass transition temperature, for example, can be with With containing the soft chain segment comprising following cellular constructions shown in formula A and the hard segment comprising cellular construction shown in following formula B The form of copolymer indicates.
[chemical formula 4]
Formula A:
Formula B:
[in the formula, P indicates long-chain fat adoption ether or long-chain fat adoption ester.R indicate aliphatic hydrocarbon, clicyclic hydrocarbon, Aromatic hydrocarbon.P ' indicates short-chain aliphatic hydrocarbon, clicyclic hydrocarbon or aromatic hydrocarbon.]
In the formula A, as long-chain fat adoption ether shown in P and long-chain fat adoption ester, it is, for example, possible to use molecules The substance that amount is 500~5000.The P is derived from comprising long-chain fat adoption ether shown in the P and long-chain fat adoption ester Diol compound.As such diol compound, for example, polyethylene glycol of the molecular weight in aforementioned range, poly- can be enumerated Propylene glycol, poly-tetramethylene ether diol, poly- (tetramethylene adipate) glycol, poly- 6-caprolactone glycol, poly- (hexamethylene carbonic ester) Glycol, described ABA type triblock polyether etc..
These diol compounds can be used alone, or two or more can also be used in combination.
In the formula A and formula B, the R, which is derived from, includes aliphatic hydrocarbon shown in the R, clicyclic hydrocarbon or aromatic hydrocarbon Diisocyanate cpd.As the aliphatic diisocyanate compound comprising aliphatic hydrocarbon shown in the R, for example, can It is sub- to enumerate 1,2- ethylidene diisocyanate, 1,3- trimethylene diisocyanate, 1,4- butane diisocyanate and 1,6- six Methyl diisocyanate etc..
In addition, as the diisocyanate cpd comprising clicyclic hydrocarbon shown in the R, for example, Isosorbide-5-Nitrae-can be enumerated Cyclohexane diisocyanate and 4,4- cyclohexane diisocyanate etc..In turn, as the virtue comprising aromatic hydrocarbon shown in the R Fragrant (cyclo) aliphatic diisocyanates compound, for example, 4,4 '-'-diphenylmethane diisocyanates, toluene di-isocyanate(TDI) can be enumerated.
These diisocyanate cpds can be used alone, or two or more can also be used in combination.
In the formula B, as short-chain aliphatic hydrocarbon, clicyclic hydrocarbon or aromatic hydrocarbon shown in P ', it is, for example, possible to use Molecular weight is lower than 500 substance.In addition, the P ', which is derived from, includes short-chain aliphatic hydrocarbon, clicyclic hydrocarbon or virtue shown in the P ' The diol compound of fragrant race's hydrocarbon.As the aliphatic diol compound comprising short-chain aliphatic hydrocarbon shown in the P ', can enumerate Glycol and polyalkylene glycol out, for example, ethylene glycol, propylene glycol, 1,3-PD, 1,4-butanediol, 1,3- fourth can be enumerated Glycol, 1,5- pentanediol, 1,6-HD, 1,7- heptandiol, 1,8- ethohexadiol, 1,9- nonanediol and 1,10- decanediol.
In addition, as the alicyclic diol compound comprising clicyclic hydrocarbon shown in the P ', for example, ring penta can be enumerated Alkane -1,2- glycol, hexamethylene -1,2- glycol, hexamethylene -1,3- glycol, hexamethylene -1,4- glycol and hexamethylene -1,4- diformazan Alcohol etc..
In turn, as the aromatic diol compound comprising aromatic hydrocarbon shown in the P ', for example, hydrogen can be enumerated Quinone, resorcinol, chlorohydroquinone, bromohydroquinone, methylnaphthohydroquinone, pheny lhydro quinone, methoxyhydroquinon, phenoxy group quinhydrones, 4,4 '-dihydroxy Biphenyl, 4,4 '-dihydroxydiphenyl ethers, 4,4 '-dihydroxydiphenyl thioethers, 4,4 '-dihydroxy-diphenyl sulfones, 4,4 '-dihydroxies Base benzophenone, 4,4 '-dioxydiphenyl methanes, bisphenol-A, 1,1- bis- (4- hydroxy phenyl) hexamethylene, bis- (the 4- hydroxy benzenes of 1,2- Oxygroup) ethane, 1,4- dihydroxy naphthlene and 2,6- dihydroxy naphthlene etc..
These diol compounds can be used alone, or two or more can also be used in combination.
As the number-average molecular weight for the polymer (polyurethane) for constituting the hard segment, examined from the viewpoint of melt-moldability Consider, preferably 300~1500.In addition, the number-average molecular weight as the polymer for constituting the soft chain segment, from polyurethane series thermoplastic From the viewpoint of the flexibility and thermal stability of property elastomer, preferably 500~20000, further preferably 500~5000, Particularly preferably 500~3000.In addition, from the viewpoint of mouldability, the mass ratio of the hard segment (x) and soft chain segment (y) It (x:y) is preferably 15:85~90:10, further preferably 30:70~90:10.
As the polyurethane series thermoplastic elastomer (TPE), specifically, it is preferable that being toluene di-isocyanate(TDI) (TDI)/polyester It is polyol copolymer, TDI/ polyether system polyol copolymer, TDI/ caprolactone system polyol copolymer, TDI/ polycarbonate-based Polyol copolymer, 4,4 '-'-diphenylmethane diisocyanates (MDI)/polyester-based polyols copolymer, MDI/ polyether system polyalcohol Copolymer, MDI/ caprolactone system polyol copolymer, the polycarbonate-based polyol copolymer of MDI/, further preferably TDI with Polyester-based polyols, TDI and polyether system polyalcohol, MDI and polyester polyol, MDI and polyether system polyalcohol.
Polyurethane series thermoplastic elastomer (TPE) can make the polymer to form hard segment by well known method and form soft chain The polymer of section is copolymerized to synthesize.As polyurethane series thermoplastic elastomer (TPE), it is, for example, possible to use Japanese Unexamined Patent Publication 5- The thermoplastic polyurethane recorded in 331256.
In addition, it is, for example, possible to use BASF AG of commercially available product as polyurethane series thermoplastic elastomer (TPE) " Elastollan " serial (for example, ET680, ET880, ET690, ET890 etc.), Kuraray Co., Ltd. corporation " Kuramiron U " serial (for example, No. 2000, No. 3000, No. 8000, No. 9000), Japan's Miractran Co. Ltd. system " Miractran " series (for example, XN-2001, XN-2004, P390RSUP, P480RSUI, P26MRNAT, E490, E590, P890) etc..
Polystyrene thermoplastic elastomer (TPE)-
For the polystyrene thermoplastic elastomer (TPE), at least polystyrene can be enumerated and constitute hard segment, Qi Taju It closes object (for example, polybutadiene, polyisoprene, polyethylene, hydrogenated butadiene polymer, hydrogenated polyisoprene etc.) and constitutes amorphism And the material of the low soft chain segment of glass transition temperature.As the polystyrene for forming the hard segment, for example, can preferably make With the polystyrene obtained by well known radical polymerization, ionic polymerization, for example, active anion can be enumerated The polystyrene of polymerization.
In addition, as the polymer of the soft chain segment is formed, for example, polybutadiene can be enumerated, polyisoprene, gathered (2,3- dimethyl-butadiene) etc..
As the combination of above-mentioned hard segment and soft chain segment, the various of the above-mentioned hard segment enumerated and soft chain segment can be enumerated Combination.The wherein combination of preferred polystyrene/polybutadiene, the combination of polystyrene/polyisoprene.In addition, in order to inhibit The undesired cross-linking reaction of thermoplastic elastomer (TPE), preferably soft chain segment are hydrogenated.
The number-average molecular weight of polymer (polystyrene) as the composition hard segment, preferably 5000~500000, More preferably 10000~200000.
In addition, the number-average molecular weight as the polymer for constituting the soft chain segment, preferably 5000~1000000, into one Step preferably 10000~800000, particularly preferably 30000~500000.In turn, described hard from the viewpoint of mouldability The mass ratio (x:y) of segment (x) and soft chain segment (y) is preferably 5:95~80:20, further preferably 10:90~70:30.
The polystyrene thermoplastic elastomer (TPE) can make the polymer for forming hard segment by well known method And the polymer of formation soft chain segment is copolymerized to synthesize.
As the polystyrene thermoplastic elastomer (TPE), styrene-butadiene system copolymer [SBS (polyphenyl can be enumerated Poly- (butylene) block-polystyrene of ethylene -), SEBS (polystyrene-poly (ethylene/butylene) block-polystyrene)], benzene second Alkene-isoprene copolymer [polystyrene-polyisoprene block-polystyrene), styrene-propene based copolymer [SEP (polystyrene-(ethylene/propene) block), SEPS (polystyrene-poly (ethylene/propene) block-polystyrene), SEEPS are (poly- Poly- (ethylene-vinyl/propylene) block-polystyrene of styrene -)), SEB (polystyrene (ethylene/butylene) block) etc..
As polystyrene thermoplastic elastomer (TPE), it is, for example, possible to use the Asahi Kasei Corporations of commercially available product " Tuftec " series (for example, H1031, H1041, H1043, H1051, H1052, H1053, H1082, H1141, H1221, H1272), SEBS (8007,8076 etc.), SEPS (2002,2063 etc.) of Kuraray Co., Ltd. etc..
Polyolefin thermoplastic elastomer (TPE)-
For the polyolefin thermoplastic elastomer (TPE), at least polyolefin can be enumerated and constitute crystallinity and high hard of fusing point Segment, other polymer (for example, aforementioned polyolefins, other polyolefin, polyvinyl compound) constitute amorphism and vitrifying The material of the low soft chain segment of transition temperature.As the polyolefin for forming the hard segment, for example, polyethylene, poly- third can be enumerated Alkene, isotactic polypropylene, polybutene etc..
As the polyolefin thermoplastic elastomer (TPE), it is total that alkene-alpha-olefin random copolymer, olefin block can be enumerated Polymers etc., for example, propylene-based block copolymer, ethylene-propylene copolymer, propylene -1- hexene copolymer, propylene -4- can be enumerated Methyl-1 pentene copolymer, propene-1-butene copolymer, ethylene -1- hexene copolymer, ethylene -4- methyl pentene copolymer, Ethylene-butene-1 copolymer, 1- butene-1-hexene copolymer, 1- butylene-4- methyl pentene, ethylene-methyl methacrylate copolymerization Object, ethylene methyl methacrylate copolymer, ethylene-ethyl methacrylate copolymer, ethylene-methyl methacrylate butyl ester are total Polymers, ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, propylene- Methacrylic acid copolymer, propylene-methylmethacrylate copolymer, propylene-ethyl methacrylate copolymers, propylene-first Base butyl acrylate copolymer, propylene acrylic acid methyl terpolymer, propylene acrylic acid methacrylate copolymers, propylene acrylic acid fourth Ester copolymer, ethylene vinyl acetate, propylene-vinyl acetate copolymers etc..
As the polyolefin thermoplastic elastomer (TPE), preferably propylene-based block copolymer, ethylene-propylene copolymer, third Alkene -1- hexene copolymer, propylene -4 methyl 1 pentene copolymer, propene-1-butene copolymer, ethylene -1- hexene copolymer, Ethylene -4- methyl pentene copolymer, ethylene-butene-1 copolymer, ethylene-methacrylic acid copolymer, ethylene-metering system Sour methyl terpolymer, ethylene-ethyl methacrylate copolymer, ethylene-methyl methacrylate acrylate copolymer, ethylene-acrylic acid Methyl terpolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, propylene-methacrylic acid copolymer, Propylene-methylmethacrylate copolymer, propylene-ethyl methacrylate copolymers, propylene-butyl methacrylate copolymerization Object, propylene acrylic acid methyl terpolymer, propylene acrylic acid methacrylate copolymers, propylene acrylic acid acrylate copolymer, ethylene-second Sour vinyl ester copolymer, propylene-vinyl acetate copolymers, further preferably ethylene-propylene copolymer, propylene -1- Butylene copolymer, ethylene-butene-1 copolymer, ethylene methyl methacrylate copolymer, ethylene-methyl acrylate copolymer, Ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer.
Alternatively, it is also possible to which ethylene and propylene polyolefin resin two or more in this way are applied in combination.In addition, the polyene Polyolefin containing ratio in hydrocarbon system thermoplastic elastomer (TPE) is preferably 50 mass % or more, 100 mass % or less.
As the number-average molecular weight of the polyolefin thermoplastic elastomer (TPE), preferably 5,000~10,000,000.If The number-average molecular weight of polyolefin thermoplastic elastomer (TPE) is in the range of 5,000~10,000,000, then thermoplastic resin material Mechanical properties it is abundant, processability is also excellent.From the same viewpoint, further preferably 7,000~1,000,000, it is special It You Xuanwei 10,000~1,000,000.Thus, it is possible to further increase mechanical properties and the processing of thermoplastic resin material Property.In addition, the number-average molecular weight as the polymer for constituting the soft chain segment, is examined from the viewpoint of toughness and low-temperature pliability Consider, preferably 200~6000.In turn, from the viewpoint of mouldability, the mass ratio of the hard segment (x) and soft chain segment (y) It (x:y) is preferably 50:50~95:15, further preferably 50:50~90:10.
The polyolefin thermoplastic elastomer (TPE) can be copolymerized to synthesize by well known method.
As polyolefin thermoplastic elastomer (TPE), it is, for example, possible to use the Mitsui Chemicals, Inc of commercially available product " TAFMER " series (for example, A0550S, A1050S, A4050S, A1070S, A4070S, A35070S, A1085S, A4085S, A7090、A70090、MH7007、MH7010、XM-7070、XM-7080、BL4000、BL2481、BL3110、BL3450、P- 0275、P-0375、P-0775、P-0180、P-0280、P-0480、P-0680)、Dupont-Mitsui Polychemicals Co., Ltd. " Nucrel " series (for example, AN4214C, AN4225C, AN42115C, N0903HC, N0908C, AN42012C、N410、N1050H、N1108C、N1110H、N1207C、N1214、AN4221C、N1525、N1560、N0200H、 AN4228C, AN4213C, N035C, " ElvaloyAC " series (for example, 1125AC, 1209AC, 1218AC, 1609AC, 1820AC, 1913AC, 2112AC, 2116AC, 2615AC, 2715AC, 3117AC, 3427AC, 3717AC), Sumitomo Chemical strain formula " ACRYFT " series of commercial firm, " EVATATE " series, " Ultrathene " series of Tosoh Corporation etc..
In turn, as polyolefin thermoplastic elastomer (TPE), for example, it is also possible to use the Prime Polymer of commercially available product Co., Ltd. " PRIME TPO " series (for example, E-2900H, F-3900H, E-2900, F-3900, J-5900, E-2910, F-3910, J-5910, E-2710, F-3710, J-5910, E-2740, F-3740, R110MP, R110E, T310E, M142E etc.) Deng.
Polyester thermoplastic elastomer (TPE)-
For the Polyester thermoplastic elastomer (TPE), at least polyester can be enumerated and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, polyester or polyethers etc.) constitute the material of amorphism and the low soft chain segment of glass transition temperature.
As the polyester for forming the hard segment, aromatic polyester can be used.Aromatic polyester for example can be by fragrance Race's dicarboxylic acids or its ester formative derivative and aliphatic diol are formed.As the aromatic polyester, preferably by benzene two Formic acid and or dimethyl terephthalate (DMT) and 1,4-butanediol derived from polybutylene terephthalate (PBT) be also possible in turn M-phthalic acid, phthalic acid, naphthalene -2,6- dicarboxylic acids, naphthalene -2,7- dicarboxylic acids, diphenyl -4,4 '-dicarboxylic acids, two phenoxy groups The dicarboxylic acid components such as the ester formative derivative of ethane dicarboxylic acids, 5- sulfoisophthalic acid or these dicarboxylic acids and molecular weight For 300 glycol below such as ethylene glycol, 1,3- propylene glycol, 1,5- pentanediol, 1,6-HD, neopentyl glycol, the 1,10- last of the ten Heavenly stems two It is the ester ring types glycol such as the aliphatic diols such as alcohol, 1,4 cyclohexane dimethanol, dihydroxymethyl tristane, benzene dimethanol, bis- (to hydroxyl Base) biphenyl, bis- (p-hydroxybenzene) propane, bis- [4- (2- hydroxyl-oxethyl) phenyl] propane of 2,2-, bis- [4- (2- hydroxyl) benzene Base] sulfone, 1,1- bis- [4- (2- hydroxyl-oxethyl) phenyl] hexamethylenes, 4,4 '-dihydroxy-p-terphenyl, 4,4 '-dihydroxy-right Polyester derived from aromatic diols such as quaterphenyl etc. is two or more by these dicarboxylic acid components and diol component and use and obtain Copolyester.Alternatively, it is also possible to by polyfunctional carboxylic acids ingredient, multifunctional oxygen-containing sour component and multifunctional hydroxyls more than 3 functions Based component etc. is in 5 moles of % range copolymerization below.
As the polyester for forming the hard segment, for example, polyethylene terephthalate, poly- terephthaldehyde can be enumerated Sour butanediol ester, polymethylene terephthalate (polymethylene terephthalate), poly- naphthalenedicarboxylic acid ethylene glycol Ester, polybutylene naphthalate etc., preferably polybutylene terephthalate (PBT).
In addition, as the polymer for forming the soft chain segment, for example, aliphatic polyester, aliphatic polyether can be enumerated.
As the aliphatic polyether, poly- (ethylene oxide) glycol, poly- (propylene oxide) glycol, poly- (epoxy can be enumerated Butane) glycol, poly- (oxepane) glycol, the copolymer of ethylene oxide and propylene oxide, poly- (propylene oxide) glycol epoxy Ethane addition polymer, ethylene oxide and copolymer of tetrahydrofuran etc..
As the aliphatic polyester, poly- (6-caprolactone), poly- heptalactone, poly- caprylolactone, polyadipate fourth can be enumerated Diol ester, polyethylene glycol adipate etc..
In these aliphatic polyethers and aliphatic polyester, from the viewpoint of the elastic characteristic of obtained polyester block copolymer Consider, preferably poly- (epoxy butane) glycol, poly- (6-caprolactone), gathers the ethylene oxide adduct of poly- (propylene oxide) glycol Tetramethylene adipate, polyethylene glycol adipate etc..
As the number-average molecular weight for the polymer (polyester) for forming hard segment, examined from the viewpoint of toughness and low-temperature pliability Consider, preferably 300~6000.In addition, the number-average molecular weight as the polymer for forming soft chain segment, soft from toughness and low temperature From the viewpoint of property, preferably 300~6000.In turn, from the viewpoint of mouldability, the body of hard segment (a) and soft chain segment (b) Product is preferably 99:1~20:80 than (a:b), further preferably 98:2~30:70.
Other elastomers can make the polymer for forming hard segment by well known method and form soft chain segment Polymer be copolymerized to synthesize.
Polyester thermoplastic elastomer (TPE) can make the polymer for forming hard segment by well known method and be formed soft The polymer of segment is copolymerized to synthesize.
As Polyester thermoplastic elastomer (TPE), commercially available product can also be used, it is, for example, possible to use Du Pont-Toray Co. Ltd. system is spun by " Hytrel " of Co., Ltd. serial (for example, 3046,5557,6347,4047,4767), Japan " PELPRENE " series (for example, P30B, P40B, P40H, P55B, P70B, P150B, P250B, E450B, P150M, S1001, S2001, S5001, S6001, S9001) etc..
Also it can be used and the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer carried out obtained from sour be modified Thermoplastic elastomer (TPE).
It is so-called " thermoplasticity obtained from acid is modified to be carried out to the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer Elastomer " is the unsaturation for instigating other thermoplastic elastomer (TPE) bondings to have the acidic-groups such as carboxylic acid group, sulfate, phosphate Compound.For example, can enumerate use unsaturated carboxylic acid (usually maleic anhydride) as with acidic-group unsaturation When compound, make the unsaturated bond position of olefin series thermoplastic elastomer bonding (for example, graft polymerization) unsaturated carboxylic acid.
For the compound with acidic-group, from inhibition Thermoplastic polyamide elastomer and polyamide-based thermoplastic elastomehc Property body other than thermoplastic elastomer (TPE) deterioration from the viewpoint of, preferably have as weak acid group carboxylic acid group compound, example Such as, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, iso-crotonic acid, maleic acid etc. can be enumerated.
As other elastomers, it is, for example, possible to use commercially available products.
As the polyurethane series thermoplastic elastomer (TPE), it is, for example, possible to use BASF AG of commercially available product " Elastollan " serial (for example, ET680, ET880, ET690, ET890), Kuraray Co., Ltd. corporation " Kuramiron U " serial (for example, No. 2000, No. 3000, No. 8000, No. 9000), Japan's Miractran Co. Ltd. system " Miractran " series (for example, XN-2001, XN-2004, P390RSUP, P480RSUI, P26MRNAT, E490, E590, P890) etc..
As the polystyrene thermoplastic elastomer (TPE), it is, for example, possible to use the Asahi Kasei Corporations of commercially available product " Tuftec " series (for example, H1031, H1041, H1043, H1051, H1052, H1053, H1082, H1141, H1221, H1272), SEBS (8007,8076 etc.), SEPS (2002,2063 etc.) of Kuraray Co., Ltd. etc..
As the polyolefin thermoplastic elastomer (TPE), it is, for example, possible to use the Mitsui Chemicals, Inc.'s systems of commercially available product " TAFMER " series (for example, A0550S, A1050S, A4050S, A1070S, A4070S, A35070S, A1085S, A4085S, A7090、A70090、MH7007、MH7010、XM-7070、XM-7080、BL4000、BL2481、BL3110、BL3450、P- 0275、P-0375、P-0775、P-0180、P-0280、P-0480、P-0680)、Dupont-Mitsui Polychemicals Co., Ltd. " Nucrel " series (for example, AN4214C, AN4225C, AN42115C, N0903HC, N0908C, AN42012C、N410、N1050H、N1108C、N1110H、N1207C、N1214、AN4221C、N1525、N1560、N0200H、 AN4228C, AN4213C, N035C, " ElvaloyAC " series (for example, 1125AC, 1209AC, 1218AC, 1609AC, 1820AC, 1913AC, 2112AC, 2116AC, 2615AC, 2715AC, 3117AC, 3427AC, 3717AC), Sumitomo Chemical strain formula " ACRYFT " series of commercial firm, " EVATATE " series, " Ultrathene " series of Tosoh Corporation etc..
In turn, as the polyolefin thermoplastic elastomer (TPE), for example, it is also possible to use the Prime of commercially available product " PRIME TPO " series of Polymer Co., Ltd. is (for example, E-2900H, F-3900H, E-2900, F-3900, J- 5900、E-2910、F-3910、J-5910、E-2710、F-3710、J-5910、E-2740、F-3740、R110MP、R110E、 T310E, M142E etc.) etc..
As the Polyester thermoplastic elastomer (TPE), it is, for example, possible to use the Du Pont-Toray's of commercially available product " Hytrel " series (for example, 3046,5557,6347,4047,4767 etc.), " PELPRENE " series of Dongyang spinning company (P30B、P40B、P40H、P55B、P70B、P150B、P280B、P450B、P150M、S1001、S2001、S5001、S6001、 S9001 etc.).
The matter of the Thermoplastic polyamide elastomer (x) and other elastomers (y) in the thermoplastic resin Amount is preferably 95:5~60:40 than (x:y).If the mass ratio of these elastomers is in the range of 95:5~60:40, polyamide Based elastomers and other elastomers are formed therefore can tieed up with the sea-island structure that Thermoplastic polyamide elastomer is " sea " It holds in the case where reinforcing cord component and the weldability of tyre framework body by Thermoplastic polyamide elastomer bring easily The elasticity modulus for controlling tire can have both the durability and impact resistance of tire.As the polyamide-based thermoplastic elastomehc The mass ratio (x:y) of property body (x) and other elastomers (y), further preferably 90:10~60:40.By other elasticity Body it is two or more and use in the case where, the total amount of preferably other elastomers and the total amount of Thermoplastic polyamide elastomer are included in In aforementioned range.
As the fusing point of the thermoplastic resin comprising Thermoplastic polyamide elastomer and other elastomers, usually 100 DEG C~350 DEG C or so, preferably 100~250 DEG C or so from the viewpoint of the productivity of tire, further preferably 120 DEG C~200 DEG C.It the use of fusing point is in this way 100~200 DEG C comprising Thermoplastic polyamide elastomer and other elastomers Thermoplastic resin material, such as the skeleton body in welding tire dividing body (matrix tablet) and when forming the skeleton body of tire, The heating temperature at joint portion can be set in the fusing point to form the thermoplastic resin material of tyre framework body or more.Due to the 2nd The tire used of the invention of viewpoint includes the thermoplastic resin material of Thermoplastic polyamide elastomer and other elastomers, because This, the adhesive strength even skeleton body made of 100 DEG C~250 DEG C of temperature range welding, between tyre framework piece Sufficiently.Therefore, the excellent in te pins of durability when driving such as puncture, abrasion resistence of tire of the invention of the 2nd viewpoint.It needs Bright, it includes Thermoplastic polyamide elastomer and other elasticity that the heating temperature, which is preferably than form tyre framework piece, High 10~150 DEG C of the temperature of the fusing point of the thermoplastic resin material of body, further preferably high 10~100 DEG C of temperature.
In addition, to Thermoplastic polyamide elastomer in thermoplastic resin material in the present invention of the 2nd viewpoint and other Total containing ratio of elastomer is not particularly limited, relative to the total amount of thermoplastic resin material, preferably 50 matter of mass %~100 Measure %, more preferably 90 mass of mass %~100 %.If Thermoplastic polyamide elastomer and other elastomers always contain Rate is the 50 mass % of mass %~100 relative to the total amount of thermoplastic resin material, then can give full play to the spy of each elastomer Property, durability, the productivity of tire can be improved.In the thermoplastic resin material, also can according to need containing rubber, Other thermoplastic elastomer (TPE)s, thermoplastic resin, various fillers (for example, silica, calcium carbonate, clay), age resister, The various additives such as oil, plasticizer, colorant, weather resisting agent, reinforcement material.
The resin material can be by mixing the thermoplastic elastomer (TPE) with the specific resin and adding as needed Add various additives, then properly mixed with well known method (for example, melting mixing) to obtain.The thermoplastic that melting mixing obtains Property resin material can according to need be made graininess come using.
The heretofore described thermoplasticity comprising Thermoplastic polyamide elastomer and other elastomers as the 2nd viewpoint The tensile modulus of elasticity of the JIS K7113:1995 defined of resin material, preferably 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If the tensile modulus of elasticity of thermoplastic resin material be 100~ Wheel rim assembling can be then effectively performed in 1000MPa while keeping the shape of tyre framework.
The heretofore described thermoplastic resin comprising Thermoplastic polyamide elastomer and other elastomers of 2nd viewpoint The tensile yield strength of the JIS K7113:1995 defined of material is preferably 5MPa or more, more preferably 5~20MPa, into one Step is preferably 5~17MPa.If the tensile yield strength of the thermoplastic resin material is 5MPa or more, can be resistant to pair It is applied to the deformation of the load of tire when driving etc..
The heretofore described thermoplastic resin comprising Thermoplastic polyamide elastomer and other elastomers of 2nd viewpoint The tensile yield elongation of the JIS K7113:1995 defined of material is preferably 10% or more, and more preferably 10~70%, into One step is preferably 15~60%.If the tensile yield elongation of thermoplastic resin material is 10% or more, Hookean region increases Greatly, wheel rim assemblability can be improved.
The heretofore described thermoplasticity comprising Thermoplastic polyamide elastomer and other elastomers as the 2nd viewpoint The tensile failure elongation of the JIS K7113:1995 defined of resin material, preferably 50% or more, more preferably 100% with On, further preferably 150% or more, particularly preferably 200% or more.If the tensile failure of thermoplastic resin material extends Rate is 50% or more, then wheel rim assemblability can be made good, be collided survivable.
The heretofore described thermoplasticity comprising Thermoplastic polyamide elastomer and other elastomers as the 2nd viewpoint The temperature of deflection under load (when load 0.45MPa) of the ISO75-2 or ASTM D648 defined of resin material, preferably 50 DEG C with On, more preferably 50~150 DEG C, further preferably 50~130 DEG C.If the load deflection temperature of the thermoplastic resin material Degree is 50 DEG C or more, then tyre framework body can also be inhibited to deform when being vulcanized in the manufacture in tire.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 2nd viewpoint can be constituted in reinforcing cord layer comprising resin material.
[structure of [resin material for constituting reinforcing cord layer] of 2nd viewpoint of the invention with the 1st viewpoint of aforementioned present invention At the resin material of reinforcing cord layer] it is same.
[2-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 2-1 embodiment of the tire of the invention of the 2nd viewpoint.
Here, the tire of 2-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The carcass 17 of present embodiment is by including Thermoplastic polyamide elastomer (the emerging production strain in space portion with mass ratio 75:25 162 DEG C of " UBESTA XPA9055X1 ", the fusing point of formula commercial firm) with polyurethane series thermoplastic elastomer (TPE) (BASF AG 107 DEG C of ET680, softening point) thermoplastic resin material formed.Tire for other aspects, with above-mentioned 1-1 embodiment Equally, manufacturing method is also the same.
(effect)
In the tire 10 of present embodiment, since carcass 17 is by including Thermoplastic polyamide elastomer and polyurethane series The thermoplastic resin material of thermoplastic elastomer (TPE) is formed, therefore, heat resistance, tensile modulus of elasticity, tensile strength and breaking strain It is excellent and simple with the tire structure compared of previous rubber system, thus it is light-weight.Therefore, the tire 10 of present embodiment Excellent impact resistance, rub resistance and durability are high.In turn, due to constituting the thermoplastic resin material, polyamide-based of carcass 17 The fusing point or softening point of thermoplastic elastomer (TPE) and polyurethane series thermoplastic elastomer (TPE) be within 200 DEG C, therefore can be in example Therefore the engagement for sufficiently carrying out carcass halfbody 17A such as 250 DEG C or less can inhibit energy consumption, so as to inhibit to heat institute The cost needed.
In addition, the thermoplastic resin material comprising Thermoplastic polyamide elastomer and polyurethane series thermoplastic elastomer (TPE) Expect to the adaptation height for reinforcing cord 26, and the fixed performances such as heat seal strength are excellent.Therefore, can inhibit to reinforce cord winding Air remains in the phenomenon that reinforcing 26 surrounding of cord (air entrance) in process.If to the adaptation and welding of reinforcing cord 26 Property it is high and can inhibit air and enter and reinforce cord component periphery, then to effectively inhibit by input power etc. when driving And cause to reinforce the movement of cord 26.Even as a result, for example, in the peripheral part of tyre framework body to cover entire reinforcement cord structure The case where tire member of formation is arranged in the mode of part, also can inhibit that reinforce cord component mobile, therefore, can inhibit between these components (include tyre framework body) is peeling-off etc., and the durability of tire 10 improves.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than thermoplastic elastomer (TPE) and therefore can mention The circumferencial direction rigidity of high puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference for improving tire 10 Direction rigidity, can prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface and and thermoplastic resin material of the crown part 16 of the carcass 17 formed by thermoplastic resin material It is closely sealed, therefore can inhibit the entrance of air when manufacture, it can inhibit by input power when driving etc. and cause to reinforce cord 26 to move It is dynamic.It can inhibit as a result, and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Reinforcing cord layer 28 includes that Thermoplastic polyamide elastomer and polyurethane series thermoplastic elastomer (TPE) carry out structure like this Cheng Shi can make the difference of the hardness of carcass 17 and reinforcing cord layer 28 compared with fixing the case where reinforcing cord 26 with buffering adhesive It is small, therefore will can further reinforce that cord 26 is closely sealed is fixed on carcass 17.Thus, it is possible to be effectively prevented above-mentioned sky Gas enters, and can effectively inhibit and reinforce the movement of cord component when driving.
In turn, in the case where reinforcing cord 26 is all-steel cord, since cord 26 can will be reinforced when tire is handled It is easily separated recycling from thermoplastic resin material by heating, is advantageous in terms of the recycling property of tire 10 therefore 's.In addition, since loss factor (Tan δ) is low compared with vulcanized rubber for Thermoplastic polyamide elastomer, if reinforced Cord ply 28 includes many Thermoplastic polyamide elastomers, then the rollability of tire can be improved.In turn, polyamide-based thermoplastic Property elastomer compared with vulcanized rubber, the control stability, abrasion resistence when having an inplane shear rigidity big, tire running are also excellent The advantages of.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
In addition, being connect due to there is the rubber material of abrasion resistence to constitute with the thermoplastic resin material than constituting carcass with road surface The tyre surface 30 of touching, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by the thermoplastic resin material than constituting carcass The sealant 24 that material has the rubber material of leakproofness to constitute, therefore, the leakproofness between tire 10 and wheel rim 20 improve.Therefore, Compared with the case where being sealed with wheel rim 20 and Thermoplastic polyamide elastomer, the air leakage in tire can be further suppressed. In addition, by setting sealant 24, wheel rim installation is also improved.
In the above-described embodiment, it is set as heating to reinforce cord 26 and contact warmed-up reinforcement cord 26 The composition of partial Thermoplastic polyamide elastomer melting or softening, but the 2nd viewpoint the present invention is not limited to this composition, It can also be the crown part 16 for reinforcing cord 26 be buried with the heating of hot wind generating means in the case where not heating and reinforcing cord 26 Outer peripheral surface, then will reinforce cord 26 and be embedded in the mode of crown part 16 being arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 2nd in 2-1 embodiment Viewpoint the present invention is not limited to this composition, also can be set as directly heating reinforcement with radiant heat (for example, infrared ray etc.) The composition of cord 26.
In turn, in 2-1 embodiment, be set as being embedded with the thermoplastic resin material melting for reinforcing cord 26 or The part softened forces cooling composition with metal 2nd roller 64, but the 2nd viewpoint the present invention is not limited to the structures At, also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Melting or the part that has softened force the composition of cooling and solidifying.
In addition, being set as the composition heated to reinforcement cord 26, but can also set in 2-1 embodiment For the composition that is covered with thermoplastic resin material identical with carcass 17 of periphery that will for example reinforce cord 26, in such case Under, will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
The tire 10 of 2-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 2nd viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
More than, it enumerates embodiment and the embodiments of the present invention of the 2nd viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 2nd viewpoint is of the invention Interest field is not limited to these embodiments certainly.
[2-2 embodiment]
In the following, according to attached drawing to the 2-2 embodiment of the manufacturing method of the tire of the invention of the 2nd viewpoint and tire into Row explanation.The tire of present embodiment is same as above-mentioned 2-1 embodiment, shows the inflation with previous common rubber system The substantially same section shape of tire.
Here, the tire of 2-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 2-2 embodiment is same as above-mentioned 2-1 embodiment, and carcass 17 by including with mass ratio 75:25 Thermoplastic polyamide elastomer (162 DEG C of " UBESTA XPA9055X1 ", the fusing point of Ube Industries, Ltd) and poly- ammonia The thermoplastic resin material of ester based thermoplastic elastomer (107 DEG C of " ET680 ", the softening point of BASF AG) is formed.For it In terms of him, same as the tire of above-mentioned 1-2 embodiment, manufacturing method is also the same.
It should be noted that in present embodiment, as covering resin material 27, using same with thermoplastic resin material The material of sample (is the Thermoplastic polyamide elastomer (" UBESTA of Ube Industries, Ltd in present embodiment XPA9055X1 ") and polyurethane series thermoplastic elastomer (TPE) (" ET680 " of BASF AG) mixture (mass ratio 75:25).
(effect)
In the tire 200 of present embodiment, since carcass 17 is by including Thermoplastic polyamide elastomer and polyurethane The thermoplastic resin material of based thermoplastic elastomer is formed, and therefore, heat resistance, tensile modulus of elasticity, tensile strength and fracture are answered Become excellent, and simple with the tire structure compared of previous rubber system, thus it is light-weight.Therefore, the tire 200 of present embodiment Excellent impact resistance, rub resistance and durability are high.In turn, for the thermoplastic resin material of composition carcass 17, due to it In contained elastomer the fusing point of the high Thermoplastic polyamide elastomer of fusing point be 162 DEG C, therefore can such as 250 DEG C with Therefore the lower engagement for sufficiently carrying out carcass halfbody 17A can inhibit energy consumption, so as to inhibit required for heating at This.In addition, Thermoplastic polyamide elastomer is high to the cementability of covering cord component 26B.
Reinforcing cord layer 28 includes covering cord component 26B to reinforce when constituting with only using buffering adhesive 29 to fix like this The case where cord 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore can be further by covering Cord component 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, it can be effectively Inhibit to reinforce the movement of cord component when driving.
In turn, in the case where reinforcing cord 26A is all-steel cord, due to can be by cord component when tire is handled 26A is easily separated recycling from covering cord component 26B by heating, therefore, is in terms of the recycling property of tire 200 It is advantageous.In addition, since loss factor (Tan δ) is low compared with vulcanized rubber for Thermoplastic polyamide elastomer, if Reinforcing cord layer 28 includes many Thermoplastic polyamide elastomers, then the rollability of tire can be improved.In turn, polyamide-based Thermoplastic elastomer (TPE) has control stability, the abrasion resistence when inplane shear rigid greatly, tire running compared with vulcanized rubber Excellent advantage.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Especially, even if the outer peripheral surface 17S in carcass 17 constitutes bumps, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit as a result, and wait tires 200 in motion Removing between the outer peripheral surface 17S and buffering adhesive 29 of carcass 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 2nd viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to melt in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 2-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming carcass 17 Constitute, but the 2nd viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 2-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 2nd viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape.
In 2-2 embodiment, buffering adhesive 29, but this hair of the 2nd viewpoint are configured between carcass 17 and tyre surface 30 It is bright to be not limited to this, it also can be set as the composition that buffering adhesive 29 is not configured.
In addition, being set as spirally winding covering cord component 26B's to crown part 16 in 2-2 embodiment It constitutes, but the present invention is not limited thereto for the 2nd viewpoint, also can be set as to cover cord component 26B in width direction and not connect The composition that continuous mode is wound.
In 2-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as heat Plastic material, by heating, covering resin material 27 forms melting or soft state will covering cord component 26B welding In the composition of the outer peripheral surface of crown part 16, but the 2nd viewpoint the present invention is not limited to this composition, also can be set as being not added The outer peripheral surface that will be covered cord component 26B with bonding agent etc. and be bonded in crown part 16 in the case where hot covering resin material 27 It constitutes.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, be bonded in the case where not heating covering cord component 26B with bonding agent etc. crown part 16 outer peripheral surface composition.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 2-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 2nd viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 2nd viewpoint is of the invention Interest field is not limited to these embodiments certainly.
In turn, although with 2-1 embodiment and 2-2 embodiment to the concrete mode of the invention of the 2nd viewpoint into Gone explanation, but the 2nd viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 3rd viewpoint "
In the following, being illustrated to the thermoplastic resin material of the composition tyre framework body in the present invention of the 3rd viewpoint, then It is illustrated using specific embodiment of the figure to the tire of the invention of the 3rd viewpoint.
[thermoplastic resin material]
The tire of the invention of 3rd viewpoint has the cricoid tyre framework formed by following thermoplastic resin material Body, the thermoplastic resin material includes: Thermoplastic polyamide elastomer, and to the Thermoplastic polyamide elastomer with Outer thermoplastic elastomer (TPE) carries out other than acid modified elastomer or the Thermoplastic polyamide elastomer obtained from acid is modified Thermoplastic elastomer (TPE) and to the elastomer carry out acid it is modified obtained from acid modified elastomer mixture.
As described above, thermoplastic resin material includes at least: 1) Thermoplastic polyamide elastomer and to polyamide-based heat Thermoplastic elastomer (TPE) other than thermoplastic elastic carries out the combination of acid modified elastomer obtained from acid is modified；Or it is 2) polyamide-based Thermoplastic elastomer (TPE) other than thermoplastic elastomer (TPE), Thermoplastic polyamide elastomer and to Thermoplastic polyamide elastomer Thermoplastic elastomer (TPE) in addition carries out the combination of acid modified elastomer obtained from acid is modified.
In the following, to thermoplastic elastomer (TPE) (its other than Thermoplastic polyamide elastomer, Thermoplastic polyamide elastomer Its thermoplastic elastomer (TPE)) and the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer is carried out obtained from sour be modified Sour modified elastomer is illustrated.
The present invention of " thermoplastic elastomer (TPE) " and " Thermoplastic polyamide elastomer " and above-mentioned 1st viewpoint is same.
So-called " thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer " (other thermoplastic elastomer (TPE)s), refers to heat The thermoplastic elastomer (TPE) for not having amido bond (- CONH-) on the main chain of the polymer of hard segment is constituted in thermoplastic elastic.It needs Illustrate, in " thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer " (other thermoplastic elastomer (TPE)s), does not include It is aftermentioned that acid modified elastomer obtained from acid is modified is carried out to other thermoplastic elastomer (TPE)s.
As other thermoplastic elastomer (TPE)s, refer to such as polyolefin thermoplastic elastomer (TPE), polystyrene thermoplastic elastomehc Property body etc..
It should be noted that polyolefin thermoplastic elastomer (TPE) and polystyrene thermoplastic elastomer (TPE), which refer to, constitutes hard chain The polymer of section is the thermoplastic elastomer (TPE) of polyolefin and polystyrene respectively.
More specifically, as polyolefin thermoplastic elastomer (TPE) (unmodified olefin series thermoplastic elastomer), for example, can Enumerate the A such as TAFMER, A1050S, A4050S of Mitsui Chemicals, Inc.'s system series.
In addition, as polystyrene thermoplastic elastomer (TPE) (unmodified styrene series thermoplastic elastomer), for example, can arrange Enumerate the H such as Tuftec, H1221, H1052 of Asahi Kasei Corporation series, G1641H, G1643M of Kraton corporation etc..
So-called " carry out sour modification to the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer and obtain ", is to instigate Other thermoplastic elastomer (TPE) bondings have the unsaturated compound of the acidic-groups such as carboxylic acid group, sulfate, phosphate.For example, can It enumerates when using unsaturated carboxylic acid (usually maleic anhydride) as the unsaturated compound with acidic-group, makes alkene The unsaturated bond position of the bonding of based thermoplastic elastomer (for example, graft polymerization) unsaturated carboxylic acid.
For the compound with acidic-group, from inhibition Thermoplastic polyamide elastomer and polyamide-based thermoplastic elastomehc Property body other than thermoplastic elastomer (TPE) deterioration from the viewpoint of, preferably have as weak acid group carboxylic acid group compound, example Such as, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, iso-crotonic acid, maleic acid etc. can be enumerated.
As sour modified olefin based thermoplastic elastomer, for example, can enumerate the TAFMER of Mitsui Chemicals, Inc.'s system, MA8510, MH7007, MH7010, MH7020, MP0610, MP0620 etc..
As sour modified styrene thermoplastic elastomer (TPE), for example, the Tuftec of Asahi Kasei Corporation, such as can be enumerated The FG19181G etc. of M1943, M1911, M1913, Kraton corporation.
For other thermoplastic elastomer (TPE)s and sour modified elastomer, in order to inhibit thermoplastic resin material to be not intended to send out Raw cross-linking reaction, is preferably hydrogenated.As the other thermoplastic elastomer (TPE)s and sour modified elastomer of hydrogenation type (SEBS), can arrange Enumerate the Tuftec etc. of above-mentioned Asahi Kasei Corporation.
In the present invention of 3rd viewpoint, thermoplastic resin material includes obtained from other thermoplastic elastomer (TPE)s are modified by acid Sour modified elastomer, the acid value of thermoplastic resin material are more than 0mg-CH3ONa/g.
Here, " acid value of thermoplastic resin material " is the gross mass relative to thermoplastic resin material, the modified bullet of acid Property body the modified position of acid neutralization required for sodium methoxide (CH3ONa gross mass) included in thermoplastic resin material In the case that sour modified elastomer is a kind of, it can be calculated by following formula (1), it is modified in the acid that thermoplastic resin material is included In the case that elastomer is two or more, it can be calculated by following formula (2).
Formula (1)
((acid value of sour modified elastomer A) × (gross mass of sour modified elastomer A))/(thermoplastic resin material it is total Quality)
Formula (2)
((acid value of sour modified elastomer A) × (gross mass of sour modified elastomer A)+(acid value of sour modified elastomer B) × (gross mass of sour modified elastomer B)+...)/(gross mass of thermoplastic resin material)
It should be noted that the acid value and the sour modified elastomer in formula (2) of the sour modified elastomer A in the formula (1) A, B ... acid value with sodium methoxide (CH3It is used when ONa) to each sour modified elastomer 1 (g) progress acid-base titration Sodium methoxide (CH3ONa the form of quality (mg)) measures.
In the following, the unit of the acid value of each sour modified elastomer is represented as (mg (CH3ONa)/g〕。
From the viewpoint of the injection moldability of thermoplastic resin material, the acid value of thermoplastic resin material is preferably 0.1mg-CH3ONa/g is more than or lower than 2.2mg-CH3ONa/g, more preferably 0.1mg-CH3ONa/g~2.0mg-CH3ONa/g, Further preferably 0.1mg-CH3ONa/g~1.5mg-CH3ONa/g。
The acid value of thermoplastic resin material can be controlled by controlling the acid value of sour modified elastomer, can also pass through control The mixing ratio of other thermoplastic elastomer (TPE)s for containing in thermoplastic's resin material and sour modified elastomer controls.
Thermoplastic resin material has island structure, and the island structure has to be made of Thermoplastic polyamide elastomer Matrix be mutually marine facies and the dispersed phase i.e. island phase that is made of sour modified elastomer and other thermoplastic elastomer (TPE)s (unmodified).Such as The interaction of fruit marine facies and island phase phase interface is weak, then the mobility of thermoplastic resin material increases, and injection moldability is excellent. Since the intramolecular of sour modified elastomer has the modified position of acid, and not acid-modified elastomer phase ratio, with polyamide The interaction of based thermoplastic elastomer is strong.
On the other hand, in island structure, there are acid value Yue Gao island Xiang Yue little, the islands acid value Yue Di mutually to get over bigger tendency. By making the acid value aforementioned range of sour modified elastomer, island phase micro disperse can especially improve thermoplasticity in thermoplastic resin The impact resistance of resin material.In addition, the melt viscosity of thermoplastic resin material will not excessively increase, thermoplastic resin material Injection moldability is excellent.Thus, it is supreme without heating thermoplastic resin when being made carcass using thermoplastic resin material Temperature, therefore the excessive heating of thermoplastic resin material can be inhibited to damage.
It should be noted that the island phase micro disperse of sour modified elastomer (can be swept in thermoplastic resin by using SEM Retouch type electron microscope, scanning electron microscope) photo observe to confirm.
The acid value of sour modified elastomer is preferably more than 0mg (CH3ONa)/g and be 20mg (CH3ONa)/g is hereinafter, more preferably For more than 0mg (CH3ONa)/g and be 17mg (CH3ONa)/g is hereinafter, further preferably more than 0mg (CH3ONa)/g and it is 15mg(CH3ONa)/g or less.
It is one kind in the sour modified elastomer that thermoplastic resin material is included for the acid value of sour modified elastomer In the case where, the acid value of the acid modified elastomer is preferably range above-mentioned, and to be two or more, preferably each acid changes Property elastomer acid value be range above-mentioned.
From using Thermoplastic polyamide elastomer as marine facies from the viewpoint of, polyamide-based heat in thermoplastic resin material Ratio (the polyamide-based thermoplastic of the gross mass of the quality of thermoplastic elastic and other thermoplastic elastomer (TPE)s and sour modified elastomer Property elastomer quality: the gross mass of other thermoplastic elastomer (TPE)s and the sour modified elastomer) be preferably 95:5~55:45. More preferably 90:10~60:40.
In addition, to the content of the Thermoplastic polyamide elastomer in thermoplastic resin material in the present invention of the 3rd viewpoint It is not particularly limited, relative to the total amount of thermoplastic resin material, the preferably 55 mass % of mass %~95, further preferably 60 mass of mass %~90 %.By making the content of Thermoplastic polyamide elastomer relative to the total amount of thermoplastic resin material For the 55 mass % of mass %~95, the characteristic of thermoplastic resin material can be given full play to, the tensile elasticity of tire can be improved Modulus and breaking property.
In thermoplastic resin material, also can according to need containing various fillers (for example, silica, calcium carbonate, Clay), age resister, oil, plasticizer, colorant, weather resisting agent, the various additives such as reinforcement material.
Thermoplastic resin material can be by by above-mentioned Thermoplastic polyamide elastomer and sour modified elastomer, (thermoplastic Property resin material when including other thermoplastic elastomer (TPE)s and other thermoplastic elastomer (TPE)s) mix and be added as needed each Kind additive carries out melting mixing to obtain.Thermoplastic polyamide elastomer, sour modified elastomer, other thermoplastic elastomer (TPE)s Mixing ratio referring to above-mentioned ratio.The resin that melting mixing obtains can according to need be made graininess come using.
Tensile elasticity mould as the JIS K7113:1995 defined of thermoplastic resin material in the present invention of the 3rd viewpoint Amount, preferably 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If thermoplastic Property resin material tensile modulus of elasticity be 100~1000MPa, then can keep tyre framework shape while effectively Carry out wheel rim assembling.
The tensile yield strength of the JIS K7113:1995 defined of thermoplastic resin material is excellent in the present invention of 3rd viewpoint It is selected as 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the stretching of thermoplastic resin material is bent Taking intensity is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield elongation of the JIS K7113:1995 defined of thermoplastic resin material in the present invention of 3rd viewpoint Preferably 10% or more, more preferably 10~70%, further preferably 15~60%.If the stretching of thermoplastic resin material Yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
Tensile failure as the JIS K7113:1995 defined of thermoplastic resin material in the present invention of the 3rd viewpoint is stretched Long rate, preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% with On.If the tensile failure elongation of thermoplastic resin material is 50% or more, wheel rim assemblability can be made good, be collided It is survivable.
Load as ISO75-2 the or ASTM D648 defined of thermoplastic resin material in the present invention of the 3rd viewpoint is scratched Qu Wendu (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 DEG C. If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, the change in the vulcanization step such as tyre surface can be inhibited Shape.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 3rd viewpoint can have the peripheral part in tyre framework body and along the circumferential direction wind and be formed The reinforcement cord component of reinforcing cord layer.
In addition, reinforcing cord layer may include resin material to constitute.If reinforcing cord layer includes resinous wood like this Material can make the difference of the hardness of tire and reinforcing cord layer small, therefore then compared with fixing the case where reinforcing cord with buffering adhesive It will can further reinforce that cord component is closely sealed is fixed in tyre framework body." resin material " is comprising thermoplastic as described above Property resin (include thermoplastic elastomer (TPE)) and thermosetting resin concept, do not include vulcanized rubber.
In turn, in the case where reinforcing cord is all-steel cord, in tire processing if it is intended to postponing cord is reinforced It rushes on glue and separates, then only heating is difficult to separate vulcanized rubber with cord is reinforced, in contrast, only heating can make resin material It is separated with cord is reinforced.Therefore, it is advantageous in terms of the recycling property of tire.In addition, resin material usually compares vulcanized rubber Loss factor (Tan δ) it is low.Therefore, if reinforcing cord layer includes many resin materials, the rolling of tire can be improved Property.In turn, there is behaviour when big inplane shear rigidity, tire running with the higher resin material of vulcanized rubber resilience in comparison modular ratio Handing stability, abrasion resistence also excellent advantage.
As can be used for the thermosetting resin of reinforcing cord layer, for example, phenolic resin, urea tree can be enumerated Rouge, melamine resin, epoxy resin, polyamide, polyester resin etc..
As the thermoplastic resin, for example, carbamate resins can be enumerated, olefin resin, vinyl chloride resin, gathered Amide resin, polyester resin etc..
In addition to this, the elasticity modulus (JIS of the resin material for the thermoplastic elastomer (TPE) and for reinforcing cord layer The tensile modulus of elasticity of K7113 defined), [resin material for constituting reinforcing cord layer] with the 1st viewpoint of aforementioned present invention Equally.
[3-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 3-1 embodiment of the tire of the invention of the 3rd viewpoint.
Here, the tire of 3-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The carcass 17 of present embodiment using by Thermoplastic polyamide elastomer (Ube Industries, Ltd " UBESTA, XPA9055X1 ") and alpha-olefin based thermoplastic elastomer (" TAFMER, the MH7010 " of Mitsui Chemicals, Inc.'s system) Mixing material (the acid value 1.11mg-CH of thermoplastic resin material3ONa/g) constitute thermoplastic resin material formed.
The thermoplastic resin material of present embodiment is comprising Thermoplastic polyamide elastomer and to the polyamide-based heat Thermoplastic elastomer (TPE) other than thermoplastic elastic carries out acid modified elastomer obtained from acid is modified.Especially in thermoplastic resin material The acid value of material is 0.1mg-CH3ONa/g is more than or lower than 2.2mg-CH3In the case where ONa/g, the flowing of thermoplastic resin material Property is excellent, and melt viscosity will not excessively increase, therefore injection moldability is excellent.
It should be noted that carcass 17 is not limited to two components of engagement to be formed, three can also be engaged with upper member To be formed.For other aspects, same as the tire of above-mentioned 1-1 embodiment, manufacturing method is also the same.
(effect)
In the tire 10 of present embodiment, since carcass 17 is formed by thermoplastic resin material, tensile elasticity mould Amount and breaking property are excellent, and then since structure can simplify, it is lighter than previous rubber weight.Therefore, if this implemented The tire 10 of mode is applied to automobile, then can control specific fuel consumption with lighting.
In particular, since the acid value for the thermoplastic resin material for being used to form carcass 17 is 0.1mg-CH3ONa/g or more and low In 2.2mg-CH3Therefore ONa/g is changed using Thermoplastic polyamide elastomer as marine facies, with sour modified elastomer, acid having Property elastomer and other thermoplastic elastomer (TPE)s it is (unmodified) be island phase island structure in thermoplastic resin material, island is mutually micro- Dispersion, impact resistance, tensile elasticity and the breaking property of tire 10 improve.
In addition, the Thermoplastic polyamide elastomer of one of constituent as thermoplastic resin material is to reinforcing cord 26 adaptation is high, and the fixed performances such as heat seal strength are excellent.Therefore, it is residual can to inhibit to reinforce air in cord rolling step Stay in the phenomenon that reinforcing 26 surrounding of cord (air entrance).If high to the adaptation and weldability of reinforcing cord 26 and can Inhibit air to enter and reinforce cord component periphery, then can effectively inhibit by input power when driving etc. and cause to reinforce curtain Line 26 is mobile.Even as a result, for example, being arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body It the case where tire member of formation, also can inhibit that reinforce cord component mobile, therefore, can inhibit between these components (comprising wheel tire bone Frame body) peeling-off etc., the durability of tire 10 improves.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than thermoplastic elastomer (TPE) and therefore can mention The circumferencial direction rigidity of high puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference for improving tire 10 Direction rigidity, can prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface and and thermoplastic resin material of the crown part 16 of the carcass 17 formed by thermoplastic resin material It is closely sealed, therefore can inhibit the entrance of air when manufacture, it can inhibit by input power when driving etc. and cause to reinforce cord 26 to move It is dynamic.It can inhibit as a result, and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
Reinforcing cord layer 28 includes thermoplastic resin material to reinforce cord 26 with being fixed with buffering adhesive when constituting like this The case where it is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore can further will reinforce cord 26 it is close Conjunction is fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce when driving Cord component is mobile.In turn, in the case where reinforcing cord is all-steel cord, since cord can will be reinforced when tire is handled 26 are easily separated recycling by heating from thermoplastic resin material, are to have in terms of the recycling property of tire 10 therefore Benefit.In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes to be permitted The rollability of tire then can be improved in more resin materials.In turn, with the higher resin material of vulcanized rubber resilience in comparison modular ratio Have the advantages that control stability, abrasion resistence when inplane shear rigid greatly, tire running are also excellent.
In addition, due to constituting the tyre surface contacted with road surface with the rubber material for having abrasion resistence than thermoplastic resin material 30, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by having leakproofness than thermoplastic resin material The sealant 24 that constitutes of rubber material, therefore, leakproofness between tire 10 and wheel rim 20 improves.Therefore, and with wheel rim 20 It is compared with the case where thermoplastic resin material sealing, the air leakage in tire can be further suppressed.In addition, passing through setting sealing Layer 24, wheel rim installation also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 3rd viewpoint the present invention is not limited to this composition, can also be with Do not heat reinforce cord 26 in the case where with the outer peripheral surface of the embedded crown part 16 for reinforcing cord 26 of hot wind generating means heating, Then it will reinforce cord 26 and be embedded in the mode of crown part 16 to be arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 3rd in 3-1 embodiment Viewpoint the present invention is not limited to this composition, also can be set as directly heating reinforcement with radiant heat (for example, infrared ray etc.) The composition of cord 26.
In turn, in 3-1 embodiment, be set as being embedded with the thermoplastic resin material melting for reinforcing cord 26 or The part softened forces cooling composition with metal 2nd roller 64, but the 3rd viewpoint the present invention is not limited to the structures At, also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Melting or the part that has softened force the composition of cooling and solidifying.
In addition, being set as the composition heated to reinforcement cord 26, but can also set in 3-1 embodiment For the composition that is covered with thermoplastic resin material identical with carcass 17 of periphery that will for example reinforce cord 26, in such case Under, will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 3-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 3rd viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
As the tire of the complete inner tube of a tyre shape, for example, being configured as shown in figure 4, can be in tire width direction There are 3 modes for being made circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, Tire 86 has: what the same resin material of tread rubber layer 87, You Yu 3-1 embodiment was formed is made the hollow of annular shape The inner tube of a tyre (tyre framework body) 88, belt (reinforcing cord) 89, wheel rim 90.It is arranged in parallel in the tire width direction of tire 86 3 inner tubes of a tyre 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 is mounted on It has on the wheel rim 90 of the recess portion engaged with the inner tube of a tyre 88.It should be noted that the not set bead core of tire 86.
More than, it enumerates embodiment and the embodiments of the present invention of the 3rd viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 3rd viewpoint is of the invention Interest field is not limited to these embodiments certainly.
[3-2 embodiment]
In the following, according to attached drawing to the 3-2 embodiment of the manufacturing method of the tire of the invention of the 3rd viewpoint and tire into Row explanation.The tire of present embodiment is same as above-mentioned 3-1 embodiment, shows the inflation with previous common rubber system The substantially same section shape of tire.
Here, the tire of 3-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 3-2 embodiment is same as above-mentioned 3-1 embodiment, and carcass 17 is by polyamide-based thermoplastic elastic Body (" UBESTA, the XPA9055X1 " of Ube Industries, Ltd) and alpha-olefin based thermoplastic elastomer (Mitsui Chemicals, Inc. System " TAFMER, MH7010 ") mixing material (the acid value 1.11mg-CH of thermoplastic resin material3ONa/g) it is formed.It is right In other aspects, same as the tire of above-mentioned 1-2 embodiment, manufacturing method is also the same.
It should be noted that in present embodiment, as covering resin material 27, using same with thermoplastic resin material The material of sample (is " the UBESTA XPA9055X1 " and Mitsui Chemicals, Inc.'s system of Ube Industries, Ltd in present embodiment " TAFMER, MH7010 " mixing material (the acid value 1.11mg-CH of thermoplastic resin material3ONa/g〕)。
(effect)
In the tire 200 of present embodiment, since carcass 17 is formed by thermoplastic resin material, heat resistance, drawing It is excellent to stretch elasticity modulus, tensile strength and breaking strain, and then since structure can simplify, than previous rubber weight Gently.Therefore, the rub resistance of the tire 200 of present embodiment and durability are high.
In addition, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.In turn, in the case where reinforcing cord 26A is all-steel cord, due to being handled in tire When can by cord component 26A by heating from covering cord component 26B on be easily separated recycling, therefore, in tire 200 Recycling property in terms of be advantageous.In addition, since permissive waste coefficient (Tan δ) is low compared with vulcanized rubber for resin material, because The rollability of tire can be improved if reinforcing cord layer includes many resin materials in this.In turn, compared with vulcanized rubber Control stability, abrasion resistence when the higher resin material of modular ratio has an inplane shear rigidity big, tire running is also excellent Different advantage.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 3rd viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 3-2 embodiment, it is set as engaging carcass dividing body 17A and forming the composition of carcass 17, but the 3rd sees Point the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 3-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 3rd viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape (such as shape shown in Fig. 4).
In 3-2 embodiment, buffering adhesive 29, but the present invention of the 3rd viewpoint are configured between carcass 17 and tyre surface 30 It is not limited to this, also can be set as the composition that buffering adhesive 29 is not configured.
In addition, be set as covering the composition of cord component 26B to 16 spirally winding of crown part in 3-2 embodiment, But the present invention is not limited thereto for the 3rd viewpoint, also can be set as to cover cord component 26B in the discontinuous side of width direction The composition of formula winding.
In 3-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as thermoplastic Property material, by heat the covering with resin material 27 formed melting or soft state will cover the 26B welding of cord component exist The composition of the outer peripheral surface of crown part 16, but the 3rd viewpoint the present invention is not limited to this composition, also can be set as not heating Covering cord component 26B is bonded in in the case where covering resin material 27 with bonding agent etc. the structure of the outer peripheral surface of crown part 16 At.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Thermoplastic is set as alternatively, it is also possible to be set as to be formed the covering resin material 27 of covering cord component 26B in turn Property material, with thermoplastic resin material formed carcass 17 composition.In such a case, it is possible to which cord will be covered with bonding agent etc. Component 26B is bonded in the outer peripheral surface of crown part 16, can also carry out to the position for being equipped with covering cord component 26B of carcass 17 It is thermally formed melting or soft state, while covering is carried out being thermally formed melting or soft state with resin material 27 and will be covered Outer peripheral surface of the strqw cover line components 26B welding in crown part 16.
It should be noted that carrying out being thermally formed melting or softening to both carcass 17 and covering cord component 26B In the case where state, bond strength is improved due to the two mixes well.In addition, the resinous wood of carcass 17 will be formed In the case that material and the covering resin material 27 for forming covering cord component 26B are set as thermoplastic resin material, preferably For same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 3-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 3rd viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 3rd viewpoint is of the invention Interest field is not limited to these embodiments certainly.
More than, although with 3-1 embodiment and 3-2 embodiment to the concrete mode of the invention of the 3rd viewpoint into Gone explanation, but the 3rd viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 4th viewpoint "
The tire of the invention of 4th viewpoint has the cricoid tyre framework body formed using thermoplastic resin material, should Thermoplastic resin material contains: thermoplastic elastomer (TPE) and specific acicular grains in molecule with hard segment and soft chain segment.
For the tire of the invention of the 4th viewpoint, by the way that with aforementioned composition, the elasticity modulus of tire is high and rolls Dynamic resistance is small.
Here, as described above, " elasticity modulus " unless otherwise specified, refers to the drawing of JIS K7113:1995 defined Stretch elasticity modulus.
In addition, the rolling resistance of the tire of the invention of the 4th viewpoint can be to form the thermoplastic resin material of the tire Shown tan δ is index to indicate.It is believed that the loss factor (tan δ) of thermoplastic resin material is equivalent to heat The size deformed caused by thermoplastic resin material when plastic resin material applies stress.Thus, form tyre framework body When the tan δ of thermoplastic resin material is big, it is meant that answered due tos tire and the friction on road surface etc. tire application in running car Tire is easy to produce deformation when power.The rolling resistance of tire becomes larger the amount that tire is deformed.
In this specification, " loss factor (tan δ) " is the storage shearing by 30 DEG C, under the conditions of 20Hz, shear strain 1% The value that the ratio between elasticity modulus (G ') and the loss coefficient of rigidity (G ") (G "/G ') calculate is material when indicating material deformation Absorb the value (hereinafter sometimes referred to simply as " tan δ " of the energy (being converted into heat) of which kind of degree.).Since the value of tan δ the big more inhales Energy is received, therefore, the rolling resistance as tire increases, as a result the main original as the specific fuel consumption reduced performance of tire Cause.It should be noted that the tan δ of thermoplastic elastomer (TPE) can use measurement of dynamic viscoelasticity device (Dynamic-Mechanical Analysis:DMA it) measures.
In the following, being said for the tire of the invention of the 4th viewpoint to the tyre framework body etc. as its constituent element It is bright, then it is illustrated using specific embodiment of the figure to the tire of the invention of the 4th viewpoint.
[tyre framework body]
The tyre framework body of the invention of 4th viewpoint is utilized containing the thermoplastic elastomehc in molecule with hard segment and soft chain segment Property body and the thermoplastic resin material of specific acicular grains are formed.
(thermoplastic resin material)
Thermoplastic resin material in the present invention of 4th viewpoint at least contains thermoplastic elastomer (TPE) and specific acicular grains, Other ingredients can also be contained as needed.
Here, " thermoplastic resin material " refers to including at least thermoplastic elastomer (TPE) and specific in the present invention of the 4th viewpoint The material of acicular grains also includes that the materials of other ingredients is also contained in thermoplastic resin material while comprising these ingredients In.
" thermoplastic elastomer (TPE) ", which refers to, in the present invention of 4th viewpoint constitutes crystallinity and high hard of fusing point by having in molecule The polymer of segment or the high hard segment of cohesive force and the polymerization for constituting amorphism and the low soft chain segment of glass transition temperature The thermoplastic resin that the copolymer of object is formed.
In addition, in the present invention of the 4th viewpoint in " thermoplastic resin ", not comprising previous natural rubber, synthetic rubber etc. Vulcanized rubber.
Under normal conditions, the most loss factor of the high thermoplastic elastomer (TPE) of elasticity modulus (tan δ) is also high, it is difficult to be formed high Elastic and tan δ small tyre framework body.
For the tyre framework body in the tire of the invention of the 4th viewpoint, contain thermoplastic elastomer (TPE) by utilizing It is formed with the thermoplastic resin materials of acicular grains, high resiliency mould can be realized in the case where tan δ to be maintained to low-level situation Quantization.Thus, it is possible to provide the tire that rolling resistance is small, elasticity modulus is high.
The acicular grains > that < fibre length is 1 μm~500 μm, fibre diameter is 0.01 μm~10.0 μm
Thermoplastic resin material in the present invention of 4th viewpoint is also contained while containing thermoplastic elastomer (TPE) The acicular grains (specific acicular grains) that fibre length is 1 μm~500 μm, fibre diameter is 0.01 μm~10.0 μm.
The average fiber length (L) of specific acicular grains is 1 μm~500 μm, is preferably 5 μm~100 μm, more preferably 10 μm~30 μm.
The avarage fiber diameter (D) of specific acicular grains is 0.01 μm~10.0 μm, preferably 0.1 μm~5 μm, more preferably It is 0.5 μm~1.0 μm.
In addition, the draw ratio (L/D) of specific acicular grains be 1~50000, preferably 10~1000, more preferably 20~ 500。
The average fiber length (L) and avarage fiber diameter (D) of specific acicular grains are the electricity by the particle to sampling Value obtained from the image of the micro- sem observation of son is counted.
In addition, the draw ratio (L/D) of specific acicular grains by will as above operate obtained average fiber length (L) divided by Avarage fiber diameter (D) calculates.
The reinforcement materials such as all the time general carbon black of the reinforcement material of the rubber as composition tyre framework body etc. can make The elasticity modulus of tyre framework body improves, and but then, when applying stress to tire, tan δ can also be improved.In contrast, Although specific acicular grains in the present invention of 4th viewpoint improve the elasticity modulus of tyre framework body, but can inhibit tan The rising of δ.
Specific acicular grains in the present invention of 4th viewpoint can be organic granular and be also possible to inorganic particle, but from mentioning From the viewpoint of high elastic modulus, more preferably inorganic particle.Specific acicular grains as inorganic particle include to be used as whisker Known whiskers particle.
As the organic granular that may be used as specific acicular grains, for example, can enumerate comprising the polysaccharides material such as cellulose The organic granular of the matrix materials such as material, triacylglycerol etc..
As the inorganic particle that may be used as specific acicular grains, for example, it is preferable to for selected from metal oxide, nitride metal Inorganic particle in object, metal carbonate, metal silicate, metal titanate, metal sulfate and metal borate.
As be used as specific acicular grains metal oxide, for example, can enumerate silica, aluminium oxide, titanium oxide, Zinc oxide, magnesia, manganese oxide, lithia, zirconium oxide, tin oxide etc..
As be used as specific acicular grains metal nitride, can enumerate potassium nitride, sodium nitride, gallium nitride, titanium nitride, Lithium nitride etc..
As the metal carbonate that may be used as specific acicular grains, for example, calcium carbonate, magnesium carbonate, carbonic acid can be enumerated Lithium, potassium carbonate, strontium carbonate, barium carbonate etc..
As the metal silicate that may be used as specific acicular grains, for example, calcium silicates, potassium silicate, silicic acid can be enumerated Magnesium, alumina silicate etc..
As the metal titanate for being used as specific acicular grains, for example, potassium titanate, sodium titanate, barium titanate etc. can be enumerated.
As be used as specific acicular grains metal sulfate, can enumerate sodium sulphate, calcium sulfate, potassium sulfate, magnesium sulfate, Zinc sulfate etc..
As the metal borate for being used as specific acicular grains, Boratex, line borate, antifungin, aluminium borate can be enumerated Deng.
In these inorganic particles, from the viewpoint of improving elasticity modulus and maintaining low tan δ, it is more preferably selected from metal Inorganic particle in sulfate, metal borate and metal titanate, it is further preferably inorganic to be formed by metal sulfate Particle.
It, can as one of the preferred embodiment of metal sulfate that may be used as specific acicular grains, more preferably magnesium sulfate Enumerate MgSO4·5Mg(OH)2·3H2The acicular grains of magnesium sulfate shown in O.It is prepared by the acicular grains of such magnesium sulfate When forming the thermoplastic resin material of tyre framework body, if implementing to be kneaded and be endowed big shear energy, resolve into more Fine crystal grain, it is fine and be evenly dispersed in thermoplastic resin material, it is thereby achieved that elasticity modulus further mentions The maintenance of high and low tan δ.
As inorganic particle, that is, specific acicular grains, commercially available product can be used, for example, Ube Material can be enumerated " the MOS HIGE " of Industries, Ltd., " WHISTATT " of Otsuka Kagaku K.K., four countries' chemical conversion industry strain formula " the ア Le ボ レ ッ Network ス " of commercial firm etc..
Specific acicular grains contained by thermoplastic resin material can be independent one kind, be also possible to two or more.
Relative to the gross mass of thermoplastic resin material, preferably the content of specific acicular grains is 0.1~10 matter Measure %, preferably 0.1~5 mass %, further preferably 0.1~1 mass %.
< thermoplastic elastomer (TPE) >
The thermoplastic resin material of the invention of 4th viewpoint contains thermoplastic elastomer (TPE).
As the thermoplastic elastomer (TPE) of the invention that can be applied to the 4th viewpoint, for example, JIS K6418 can be enumerated: Thermoplastic polyamide elastomer (TPA), the Polyester thermoplastic elastomer (TPE) (TPC), polyolefin thermoplasticity of 2007 defineds Elastomer (TPO), polystyrene thermoplastic elastomer (TPE) (TPS), polyurethane series thermoplastic elastomer (TPE) (TPU), thermoplastic elastomer Crosslinked (TPV) or other thermoplastic elastomer (TPE)s (TPZ) etc..
Thermoplastic polyamide elastomer-
Here, the same polyamide of the present invention with above-mentioned 1st viewpoint can be used in " Thermoplastic polyamide elastomer " Based thermoplastic elastomer.
Polyester thermoplastic elastomer (TPE)-
For Polyester thermoplastic elastomer (TPE), can enumerate at least polyester constitute crystallinity and the high hard segment of fusing point, its Its polymer (for example, polyester or polyethers etc.) constitutes the material of amorphism and the low soft chain segment of glass transition temperature.This implementation " Polyester thermoplastic elastomer (TPE) " in mode is identical as the present invention of above-mentioned 2nd viewpoint.
Polystyrene thermoplastic elastomer (TPE)
For polystyrene thermoplastic elastomer (TPE), at least polystyrene can be enumerated and constitute hard segment, other polymer (for example, polybutadiene, polyisoprene, polyethylene, hydrogenated butadiene polymer, hydrogenated polyisoprene etc.) constitutes amorphism and glass The material of the low soft chain segment of glass transition temperature." polystyrene thermoplastic elastomer (TPE) " and the above-mentioned 2nd in present embodiment The present invention of viewpoint is identical.
Polyurethane series thermoplastic elastomer (TPE)-
For polyurethane series thermoplastic elastomer (TPE), at least polyurethane can be enumerated and constituted through the pseudo- friendship of physical aggregation formation The hard segment of connection, other polymer constitute the material of amorphism and the low soft chain segment of glass transition temperature.In present embodiment " polyurethane series thermoplastic elastomer (TPE) " it is identical as the present invention of above-mentioned 2nd viewpoint.
Polyolefin thermoplastic elastomer (TPE)-
For polyolefin thermoplastic elastomer (TPE), at least polyolefin can be enumerated and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, described polyolefin, other polyolefin, polyvinyl compound) constitute amorphism and vitrifying turns The material of the low soft chain segment of temperature.The sheet of " polyolefin thermoplastic elastomer (TPE) " and above-mentioned 2nd viewpoint in present embodiment It invents identical.
In addition, also can be used as thermoplastic elastomer (TPE) and carry out thermoplastic obtained from acid is modified to thermoplastic elastomer (TPE) Property elastomer.
So-called " carrying out thermoplastic elastomer (TPE) obtained from acid is modified to thermoplastic elastomer (TPE) ", can enumerate with acidity The compound of group imports thermoplastic elastomer (TPE) obtained from acidic-group in thermoplastic elastomer (TPE).As for thermoplastic elastomehc Property body the modified compound with acidic-group of acid, can enumerate with acidic-groups such as carboxylic acid group, sulfate, phosphates Unsaturated compound.As the unsaturated compound with acidic-group, from the viewpoint for inhibiting thermoplastic elastomer (TPE) to deteriorate Consider preferably there is the unsaturated compound of the carboxylic acid group as weak acid group, for example, acrylic acid, metering system can be enumerated Acid, itaconic acid, crotonic acid, iso-crotonic acid, maleic acid etc..
As the example for keeping thermoplastic elastomer (TPE) acid modified, send as an envoy to olefin series thermoplastic elastomer or styrene can be enumerated Based thermoplastic elastomer is by way of the unsaturated bond position of the bonding such as graft polymerization unsaturated carboxylic acid.
Thermoplastic resin material may include two or more thermoplastic elastomer (TPE)s, but use thermoplastic resin material from control From the viewpoint of the tyre performance of the tire of formation, preferred thermoplastic elastomer is one kind.
In thermoplastic elastomer (TPE) described above, from tensile modulus of elasticity, tensile strength and breaking strain it is excellent and Can be at lower temperatures from the aspect of welding, more preferably Thermoplastic polyamide elastomer.In addition, from tensile modulus of elasticity, drawing Stretch intensity and breaking strain it is excellent and with heat resistance and can make temperature set amplitude expand from the viewpoint of, Polyester Thermoplastic elastomer (TPE) it is also preferred that.Wherein, the thermoplastic elastomer (TPE) of the invention as the 4th viewpoint, it is particularly preferably polyamide-based Thermoplastic elastomer (TPE).
The physical property-of thermoplastic elastomer (TPE)
The tensile elasticity mould of the JIS K7113:1995 defined of thermoplastic resin material of the invention as the 4th viewpoint Amount, preferably 100MPa~1000MPa, more preferably 100MPa~800MPa, further preferably 100MPa~700MPa.Such as The tensile modulus of elasticity of fruit thermoplastic elastomer (TPE) is 100MPa~1000MPa, then can keep the same of the shape of tyre framework When be effectively performed wheel rim assembling.Elasticity modulus is right with the Shimadzu AUTOGRAPH AGS-J (5kN) of Shimadzu Seisakusho Ltd. The dumbbell shaped test film (No. 5 shape test films) of JISK6251:1993 defined with tensile speed 200mm/min is measured and Obtained value.
The tensile yield strength of the JIS K7113:1995 defined of thermoplastic resin material in the present invention of 4th viewpoint Preferably 5MPa or more, more preferably 5~20Mpa, further preferably 5~17MPa.If the stretching of thermoplastic resin material Yield strength is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield of the JIS K7113:1995 defined of thermoplastic resin material in the present invention of 4th viewpoint extends Rate is preferably 10% or more, and more preferably 10~70%, further preferably 15~60%.If the drawing of thermoplastic resin material Stretching yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure of JIS K7113:1995 defined as the thermoplastic resin material in the present invention of the 4th viewpoint Elongation, preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% More than.If the tensile failure elongation of thermoplastic resin material is 50% or more, wheel rim assemblability can be made good, touched It hits survivable.
The load of ISO75-2 or ASTM D648 defined as the thermoplastic resin material in the present invention of the 4th viewpoint Deflection temperature (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 ℃.If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, tyre surface etc. can be inhibited in the vulcanization step Deformation.
For the content of the thermoplastic elastomer (TPE) in the thermoplastic resin material in the present invention of the 4th viewpoint, from abundant hair From the viewpoint of the performance for waving thermoplastic elastomer (TPE), relative to the gross mass of thermoplastic resin material, preferably 40 mass %~ 95 mass %, more preferably 50 mass of mass %~90 %.
In thermoplastic resin material, as needed, in the range of not damaging the effect of the invention of the 4th viewpoint, The various additives other than specific acicular grains can be contained.As the example of additive, filler, anti-aging can be enumerated Agent, oil, plasticizer, colorant, weather resisting agent, reinforcement material etc..
For thermoplastic resin material, for example, can with by thermoplastic elastomer (TPE), specific acicular grains and as needed The various additives used mix and carry out melting mixing and prepared by the form of mixture that is formed.Thermoplastic resin material Can according to need be made graininess come using.
The tire of the invention of 4th viewpoint has the cricoid tyre framework formed using above-mentioned thermoplastic resin material Body (in the following, being also properly termed as " carcass ").The tyre framework body can pass through various moldings by using thermoplastic resin material Method is integrally formed to be formed, can also be by forming a pair of of carcass halfbody (tyre framework using various forming methods Piece) after make between the carcass halfbody engagement to be formed.From the viewpoint of manufacturing, preferably make to engage between a pair of of carcass halfbody And form the mode of tyre framework body.
[reinforcing cord layer]
The tire of the invention of 4th viewpoint also can have the peripheral part in tyre framework body and along the circumferential direction wind and shape At the reinforcement cord component of reinforcing cord layer.The resin material of reinforcing cord layer [constitute] of 4th viewpoint of the invention with it is above-mentioned [resin material for constituting reinforcing cord layer] of 1st viewpoint of the invention is same.
In the following, the specific embodiment of the tire of the invention for the 4th viewpoint, is described in more detail 4-1 with example And 4-2 embodiment.
[4-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 4-1 embodiment of the tire of the invention of the 4th viewpoint.This In, the tire of 4-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, same attached drawing And component is illustrated with same symbol and attached drawing.
Carcass 17 in present embodiment using as Thermoplastic polyamide elastomer (Ube Industries, Ltd " UBESTA XPA9048 ") and specific acicular grains (" the MOS HIGE " of Ube Material Industries, Ltd.) The thermoplastic resin material of mixture is formed.
In addition, the content of the specific acicular grains in thermoplastic resin material is 1 mass %.
Carcass 17 is by the thermoplastic resin containing single thermoplastic elastomer (TPE) and specific acicular grains in present embodiment Material is formed, but the 4th viewpoint the present invention is not limited to this composition, can also be with the pneumatic tire of previous common rubber system Equally, the thermoplasticity with different characteristic is used in each position of carcass 17 (sidewall 14, crown part 16, bead part 12 etc.) Resin material.Reinforce alternatively, it is also possible to bury configuration in carcass 17 (for example, bead part 12, sidewall 14, crown part 16 etc.) Material (high molecular material, metal fiber, cord, non-woven cloth, woven cloths etc.) reinforces carcass 17 with reinforcement material.
The carcass 17 of present embodiment is made by the thermoplastic resin material comprising thermoplastic elastomer (TPE) and specific acicular grains Expect made of being engaged between a pair of of carcass halfbody (tyre framework piece) 17A formed.For carcass halfbody 17A, by making with one A bead part 12 and a sidewall 14 and half range crown part 16 are one entirely through molding the same shape such as injection mouldings Circular carcass halfbody 17A face each other face and engage and formed in equatorial plane part.It should be noted that carcass 17 It is not limited to two components of engagement to be formed, three can also be engaged and formed with upper member.For other aspects, with above-mentioned the The tire of 1-1 embodiment is same, and manufacturing method is also the same.
(effect)
In the tire 10 of present embodiment, since carcass 17 is using containing thermoplastic elastomer (TPE) and specific acicular grains Thermoplastic resin material is formed, therefore, compared with the case where using only thermoplastic resin material containing thermoplastic elastomer (TPE), In the case where the loss factor (tan δ) of tyre framework body maintains low-level situation, elasticity modulus is improved.Therefore, tire 10 is shown High elastic modulus out, while rolling resistance reduces.In addition, the heat resistance of tire 10 is also excellent.In turn, tire 10 and previous rubber The tire structure compared of glue is simple, therefore light-weight.Therefore, the rub resistance of the tire 10 of present embodiment and durability are high.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than the resin material and therefore can be improved The circumferencial direction rigidity of puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference side for improving tire 10 To rigidity, the creep of carcass 17 formed by thermoplastic resin material can be prevented.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface of the crown part 16 of the carcass 17 formed by thermoplastic resin material and closely sealed with resin material, because Air when this can inhibit manufacture enters, and can inhibit by input power when driving etc. and causes to reinforce cord 26 mobile.As a result, It can inhibit and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Reinforcing cord layer 28 includes resin material to fix the case where reinforcing cord 26 with buffering adhesive when constituting like this Difference compared to the hardness that can make carcass 17 and reinforcing cord layer 28 is small, therefore it is closely sealed solid further can to reinforce cord 26 It is scheduled on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, reinforcement cord structure when driving can be effectively inhibited Part is mobile.
In turn, in the case where reinforcing cord 26 is all-steel cord, since cord 26 can will be reinforced when tire is handled It is easily separated recycling from resin material by heating, therefore, is advantageous in terms of the recycling property of tire 10.Separately Outside, due to resin material, loss factor (Tan δ) is low compared with vulcanized rubber, if reinforcing cord layer 28 includes many trees The rollability of tire then can be improved in rouge material.In turn, resin material has the rigid big, wheel of inplane shear compared with vulcanized rubber Tire control stability when driving, abrasion resistence also excellent advantage.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
In addition, due to the rubber material structure for having abrasion resistence than the resin material comprising the 1st and the 2nd thermoplastic elastomer (TPE) At the tyre surface 30 contacted with road surface, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore had due to being equipped in the part of bead part 12 contacted with wheel rim 20 by the resin material than constituting carcass 17 The sealant 24 that the rubber material of leakproofness is constituted, therefore, the leakproofness between tire 10 and wheel rim 20 improve.Therefore, and only It is compared with wheel rim 20 with the case where resin material sealing for constituting carcass 17, the air leakage in tire can be further suppressed.Separately Outside, by the way that sealant 24 is arranged, wheel rim installation is also improved.
In 4-1 embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 4th viewpoint the present invention is not limited to this composition, can also be with Do not heat reinforce cord 26 in the case where with the outer peripheral surface of the embedded crown part 16 for reinforcing cord 26 of hot wind generating means heating, Then it will reinforce cord 26 and be embedded in the mode of crown part 16 to be arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 4th sees in 4-1 embodiment Point the present invention is not limited to this composition, also can be set as directly heating reinforcement curtain with radiant heat (for example, infrared ray etc.) The composition of line 26.
In turn, in 4-1 embodiment, it is set as that the thermoplastic resin material melting or soft for reinforcing cord 26 will be embedded with The part changed forces cooling composition with metal 2nd roller 64, but the 4th viewpoint the present invention is not limited to this composition, Also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Force the composition cooled and solidified in the part for melting or having softened.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 4-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 4-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 4th viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
As the tire of complete inner tube of a tyre shape, it is made in tire width direction configured with 3 as shown in figure 4, can be The mode of circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, tire 86 is standby Have: what the same resin material of tread rubber layer 87, You Yu 4-1 embodiment was formed is made circular hollow inner tube (wheel Tire bone frame body) 88, belt (reinforcing cord) 89, wheel rim 90.3 inner tubes of a tyre are arranged in parallel in the tire width direction of tire 86 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 be mounted on have with it is interior On the wheel rim 90 for the recess portion that tire 88 engages.It should be noted that the not set bead core of tire 86.
More than, it enumerates embodiment and the embodiments of the present invention of the 4th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 4th viewpoint is of the invention Range is not limited to these embodiments certainly.
[4-2 embodiment]
In the following, being illustrated according to 4-2 embodiment of the attached drawing to the tire of the invention of the 4th viewpoint.
Here, the tire of 4-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 4-2 embodiment is same as 4-1 embodiment, and carcass 17 is using as polyamide-based thermoplastic elastomehc Property body (" the UBESTA XPA9048 " of Ube Industries, Ltd) and specific acicular grains (Ube Material " the MOS HIGE " of Industries, Ltd.) the thermoplastic resin material of mixture formed.
In addition, the content of the specific acicular grains in thermoplastic resin material is 1 mass %.It is and upper for other aspects The tire for stating 1-2 embodiment is same, and manufacturing method is also the same.
(effect)
In the tire 200 of present embodiment, since carcass 17 is using as Thermoplastic polyamide elastomer and specific The thermoplastic resin material of the mixture of acicular grains is formed, with phase the case where Thermoplastic polyamide elastomer is used alone Than in the case where the loss factor (tan δ) of tyre framework body maintains low-level situation, elasticity modulus is improved.Therefore, tire 200 Show high elastic modulus, while rolling resistance reduces.In addition, the heat resistance of tire 200 is also excellent.In turn, tire 200 with The tire structure compared of past rubber system is simple, therefore light-weight.Therefore, the rub resistance of the tire 200 of present embodiment and resistance to Long property is high.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction rigidity of tire 200 It improves.By improving circumferencial direction rigidity, can inhibit the creep of carcass 17, (plastic deformation of carcass 17 is at any time under certain stress Between the phenomenon that elapsing and increasing), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In turn, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord 26A is all-steel cord, due to can be by cord component when tire is handled 26A is easily separated recycling from covering cord component 26B by heating, therefore, is in terms of the recycling property of tire 200 It is advantageous.In addition, since loss factor (Tan δ) is low compared with vulcanized rubber for resin material, if reinforcing cord layer 28 Comprising many resin materials, then the rollability of tire can be improved.In turn, resin material has in face and cuts compared with vulcanized rubber Control stability, abrasion resistence when cutting rigidity big, tire running also excellent advantage.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 4th viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In 4-2 embodiment, it is set as engaging carcass halfbody 17A and forming the composition of carcass 17, but the sheet of the 4th viewpoint Invention is not limited to this composition, can also use the integrally formed carcass 17 such as mold.
The tire 200 of 4-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 4th viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape (such as shape shown in Fig. 4).
In 4-2 embodiment, buffering adhesive 29, but the present invention of the 4th viewpoint are configured between carcass 17 and tyre surface 30 It is not limited to this, also can be set as the composition that buffering adhesive 29 is not configured.
In addition, be set as covering the composition of cord component 26B to 16 spirally winding of crown part in 4-2 embodiment, But the present invention is not limited thereto for the 4th viewpoint, also can be set as to cover cord component 26B in the discontinuous side of width direction The composition of formula winding.
In 4-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as thermoplastic Property material, by heat the covering with resin material 27 formed melting or soft state will cover the 26B welding of cord component exist The composition of the outer peripheral surface of crown part 16, but the 4th viewpoint the present invention is not limited to this composition, also can be set as not heating Covering cord component 26B is bonded in in the case where covering resin material 27 with bonding agent etc. the structure of the outer peripheral surface of crown part 16 At.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 4-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 4th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 4th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
" present invention of the 5th viewpoint "
In the following, being illustrated to the resin material of the composition tyre framework body in the present invention of the 5th viewpoint, then using figure The specific embodiment of the tire of the invention of 5th viewpoint is illustrated.
[resin material]
The tire of the invention of 5th viewpoint, which at least has, to be formed by resin material and is cricoid tyre framework body, described Resin material includes: described in thermoplastic elastomer (TPE) and glass transition temperature (Tg) with hard segment and soft chain segment in molecule compare The high resin of the glass transition temperature of hard segment.
Here, " resin " so-called in this specification is as described above comprising thermoplastic resin (comprising thermoplastic elastic Body) and thermosetting resin concept, do not include vulcanized rubber.
As the thermosetting resin, as described above, for example, phenolic resin, urea resin, melamine can be enumerated Resin, epoxy resin, polyamide, polyester based resin etc..
As the thermoplastic resin, as described above, for example, carbamate resins, olefin resin, chlorine can be enumerated Vinyl, polyamide, polyester based resin etc..
In addition, so-called " thermoplastic elastomer (TPE) ", as described above, refers to and constitute crystallinity and the high hard chain of fusing point by having The polymer of the polymer of the hard segment of the section or high cohesion soft chain segment low with composition amorphism and glass transition temperature Copolymer formed thermoplastic resin material.
For the tire of the invention of the 5th viewpoint, as tyre framework body, using comprising having hard segment and soft in molecule The resin material of the thermoplastic elastomer (TPE) and glass transition temperature (Tg) of the segment resin higher than the hard segment, it is possible thereby to Heat resistance is improved in the case where the loss factor of tyre framework body (Tan δ) is maintained low-level situation.
Use Figure 10 to using PAE (Thermoplastic polyamide elastomer) as thermoplastic elastomer (TPE), use polyphenylene oxide (PPE) The case where specific resin as the 5th viewpoint of the invention, is illustrated.Figure 10 is the glass transition temperature for indicating each material With the explanatory diagram of the relationship of loss factor (Tan δ).In Figure 10, showing indicates that of the invention one as the 5th viewpoint implements Glass transition temperature (the Tg of the PAE/PPE of modePAE/PPE) solid line, indicate PAE glass transition temperature (TgPAE) Single dotted broken line, the glass transition temperature (Tg for indicating polyamidePA) small pecked line, indicate PPE glass transition temperature (TgPPE) big pecked line, the peak of each line indicates the glass transition temperature of each material.
As shown in the present invention of the 5th viewpoint, for (PAE) and the 5th viewpoint of the invention of thermoplastic elastomer (TPE) will be used as The resin material that mixes of specific resin (PPE) for, by the Tg in Figure 10PAPeak and TgPAE/PPEThe comparison at peak can Know, the PAE/PPE ratio of an embodiment of the invention as the 5th viewpoint constitutes the polyamides of the hard segment of thermoplastic elastomer (TPE) The glass transition temperature of amine is high, and heat resistance can be improved.In addition, it is generally the case that improving the heat-resisting of thermoplastic elastomer (TPE) When property, loss factor (Tan δ) consequently also be will increase.However, the PAE/ of an embodiment of the invention as the 5th viewpoint PPE, can compared with the thermoplastic elastomer (TPE) (PAE) and constituting the polyamide of its hard segment as shown in the arrow in the center Figure 10 Loss factor is maintained low-level.That is, as the resin material in the present invention of the 5th viewpoint, by using thermoplasticity The specific resin of elastomer and glass transition temperature of the invention 5th viewpoint higher than the hard segment, can will be lost Coefficient (Tan δ) maintains heat resistance that is low-level while improving tyre framework body.
(thermoplastic elastomer (TPE))
As the thermoplastic elastomer (TPE), for example, the polyamide-based thermoplastic of JIS K6418:2007 defined can be enumerated Property elastomer (TPA), Polyester thermoplastic elastomer (TPE) (TPC), polyolefin thermoplastic elastomer (TPE) (TPO), polystyrene heat Thermoplastic elastic (TPS), polyurethane series thermoplastic elastomer (TPE) (TPU), thermoplastic elastomer crosslinked (TPV) or other thermoplastics Property elastomer (TPZ) etc..
In addition, referring between ester system when being known as one species in following resin material, the forms such as between polystyrene.
Thermoplastic polyamide elastomer-
" Thermoplastic polyamide elastomer " in present embodiment can be used same as the present invention of above-mentioned 1st viewpoint Thermoplastic polyamide elastomer.
Polystyrene thermoplastic elastomer (TPE)
For the polystyrene thermoplastic elastomer (TPE), at least polystyrene can be enumerated and constitute hard segment, Qi Taju It closes object (for example, polybutadiene, polyisoprene, polyethylene, hydrogenated butadiene polymer, hydrogenated polyisoprene etc.) and constitutes amorphism And the material of the low soft chain segment of glass transition temperature." polystyrene thermoplastic elastomer (TPE) " in present embodiment with it is above-mentioned The present invention in 2nd viewpoint is identical.
Polyurethane series thermoplastic elastomer (TPE)-
For the polyurethane series thermoplastic elastomer (TPE), at least polyurethane can be enumerated and constituted through physical aggregation formation The material of the low soft chain segment of hard segment, other polymer composition amorphism and the glass transition temperature that puppet is crosslinked.This embodiment party " polyurethane series thermoplastic elastomer (TPE) " in formula is identical as the present invention in above-mentioned 2nd viewpoint.
Polyolefin thermoplastic elastomer (TPE)-
For the polyolefin thermoplastic elastomer (TPE), at least polyolefin can be enumerated and constitute crystallinity and high hard of fusing point Segment, other polymer (for example, described polyolefin, other polyolefin, polyvinyl compound) constitute amorphism and vitrifying The material of the low soft chain segment of transition temperature.In " polyolefin thermoplastic elastomer (TPE) " and above-mentioned 2nd viewpoint in present embodiment The present invention it is identical.
Polyester thermoplastic elastomer (TPE)-
For the Polyester thermoplastic elastomer (TPE), at least polyester can be enumerated and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, polyester or polyethers etc.) constitute the material of amorphism and the low soft chain segment of glass transition temperature.This " polyolefin thermoplastic elastomer (TPE) " in embodiment is identical as the present invention in above-mentioned 2nd viewpoint.
The physical property-of thermoplastic elastomer (TPE)
The thermoplastic elastomer (TPE) that the resin material of the formation tyre framework body of the invention of 5th viewpoint is included can be appropriate The thermoplastic elastomer (TPE) of tyre performance required for selection plays.Here, the thermoplastic for being included as the resin material Property elastomer, it is contemplated that the viewpoint of loss factor required by the viewpoint and tire as tyre performance (Tan δ), preferably bullet Property modulus (tensile modulus of elasticity of JIS K7113:1995 defined) be 1MPa~150MPa thermoplastic elastomer (TPE), further Preferably elasticity modulus be 1MPa~60MPa thermoplastic elastomer (TPE).
Equally, the Tan δ as the thermoplastic elastomer (TPE) of the invention itself of the 5th viewpoint, preferably 0.01~0.1, into one Step preferably 0.01~0.08.Here, " loss factor (Tan δ) " is the storage by 30 DEG C, under the conditions of 20Hz, shear strain 1% The value that the ratio between the coefficient of rigidity (G ') and the loss coefficient of rigidity (G ") (G "/G ') calculate, being should when indicating material deformation Material absorbs the value of the energy (being converted into heat) of which kind of degree.Since the value of Tan δ the big more absorbs energy, as tire Rolling resistance increase, as a result become tire specific fuel consumption reduced performance the main reason for.It should be noted that thermoplasticity The Tan δ of elastomer can be surveyed with measurement of dynamic viscoelasticity device (Dynamic-Mechanical Analysis:DMA) It is fixed.
In addition, the glass transition temperature (Tg) of the hard segment of the thermoplastic elastomer (TPE) of the invention as the 5th viewpoint, from From the viewpoint of the manufacturings such as operability when injection moulding, tan δ value, preferably 0 DEG C~150 DEG C, further preferably 30 DEG C ~120 DEG C.
The glass transition temperature of the hard segment can use differential scanning calorimeter (Differential scanning Calorimetry:DSC it) is measured.It should be noted that in the present invention of the 5th viewpoint, the glass transition of " hard segment " Temperature refers to form the glass transition temperature of the polymer monomer of hard segment.
As the thermoplastic elastomer (TPE), the combined viewpoint from elasticity modulus and Tan δ and with aftermentioned resin is examined Consider, is preferably selected from least one of Thermoplastic polyamide elastomer, polyester-based elastomer.
More specifically, it is preferable to use having polyethylene (Tg:-125 DEG C), polyacetals (Tg:-60 DEG C), ethylene-acetate second Alkenyl ester copolymer (Tg:-42 DEG C), polypropylene (Tg:0 DEG C), Kynoar (Tg:35 DEG C), gathers polyurethane (Tg:-20 DEG C) Amide 6 (so-called nylon 6, Tg:48 DEG C), polyamide 12 (so-called nylon 12, Tg:51 DEG C), polyamide 46 (so-called nylon 46, Tg: 78 DEG C), polyamide 66 (so-called nylon66 fiber, Tg:50 DEG C), polybutylene terephthalate (PBT) (Tg:50 DEG C), polylactic acid (Tg:57 DEG C), it is polyethylene terephthalate (Tg:59 DEG C), acrylonitrile butadiene styrene copolymer (Tg:80~125 DEG C), poly- Vinyl chloride (Tg:87 DEG C), polymethyl methacrylate (Tg:90 DEG C), polystyrene (Tg:100 DEG C), polyacrylonitrile (Tg:104 DEG C), polyphenylene oxide (PPO, Tg:104~120 DEG C), polyphenylene sulfide (Tg:92 DEG C), polytetrafluoroethylene (PTFE) (Tg:126 DEG C), polycarbonate (Tg:150 DEG C), polyether sulfone (Tg:230 DEG C), polyamidoimide (Tg:275 DEG C), (Tg:176 DEG C) of polyarylate be used as hard segment Thermoplastic elastomer (TPE), further preferably using having polyphenylene oxide, polyphenylene sulfide, polybutylene terephthalate (PBT), poly- to benzene The thermoplastic elastomer (TPE) of naphthalate, polycarbonate, polyarylate as hard segment.
(specific resin of the 5th viewpoint of the invention)
" specific resin of the 5th viewpoint of the invention " is glass transition temperature (Tg) tree higher than the hard segment Rouge.
The resin material of the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention is used to form wheel as a result, The tire of tire bone frame body can improve elasticity modulus in the case where the Tan δ of tyre framework body to be maintained to low-level situation.Therefore, For example, elasticity modulus (heat resistance) can be improved while reducing the rolling resistance of tire.If the 5th sight of the invention The glass transition temperature of the specific resin of point is lower than the glass transition temperature of the hard segment, then cannot improve tyre framework The elasticity modulus of body, heat resistance.
For the specific resin of the 5th viewpoint of the invention, as long as glass transition temperature is higher than the hard segment Resin, be not particularly limited, can suitably be selected in the range of not damaging the effect of the invention of the 5th viewpoint known Resin, for example, it is preferable to meet the resin of following various physical property.
For the glass transition temperature (Tg) of the specific resin of the 5th viewpoint of the invention, because of the thermoplasticity used The combination of elastomer and the specific resin of the 5th viewpoint of the invention is different and different, from manufacturing of tyre framework when body formed From the viewpoint of (operability), it is often preferred that 0~300 DEG C, further preferably 30~200 DEG C.
Hard chain of the glass transition temperature of the specific resin of 5th viewpoint of the invention than the thermoplastic elastomer (TPE) Section is high.Glass transition temperature (the Tg of the specific resin of 5th viewpoint of the invention1) preferably than the hard segment Glass transition temperature (Tg2) high 20 DEG C or more.More specifically, the glass of the specific resin of the 5th viewpoint of the invention Change transition temperature (Tg1) and the hard segment glass transition temperature (Tg2) difference (Tg1-Tg2) because of the thermoplastic elastomehc that uses Property body and the specific resin of the 5th viewpoint of the invention combination it is different and different, (grasped from manufacturing of tyre framework when body formed The property made) from the viewpoint of, it is often preferred that 20~200 DEG C, further preferably 30~80 DEG C.
In view of the viewpoint as tyre performance and the viewpoint of loss factor (Tan δ) required by tire, the present invention The elasticity modulus (tensile modulus of elasticity of JIS K7113:1995 defined) of specific resin of the 5th viewpoint be preferably 100MPa ~2000MPa, further preferably 400MPa~1200MPa.
Equally, the Tan δ as the specific resin itself of the 5th viewpoint of the invention, preferably 0.01~0.1, into one Step preferably 0.01~0.06.It should be noted that the Tan δ of the specific resin of the 5th viewpoint of the invention can use Dynamic Viscoelastic Property measurement device (Dynamic-Mechanical Analysis:DMA) is measured.
As the specific resin of the 5th viewpoint of the invention, for example, it is preferable to polyphenylene oxide (PPE, Tg:210 DEG C), poly- second Alkene (Tg:-125 DEG C), polyacetals (Tg:-60 DEG C), ethylene vinyl acetate (Tg:-42 DEG C), polyurethane (Tg:- 20 DEG C), polypropylene (Tg:0 DEG C), Kynoar (Tg:35 DEG C), polyamide 6 (so-called nylon 6, Tg:48 DEG C), polyamide 12 (so-called nylon 12, Tg:51 DEG C), polyamide 46 (so-called nylon 46, Tg:78 DEG C), polyamide 66 (so-called nylon66 fiber, Tg:50 DEG C), polybutylene terephthalate (PBT) (Tg:50 DEG C), polylactic acid (Tg:57 DEG C), polyethylene terephthalate (Tg:59 DEG C), acrylonitrile butadiene styrene copolymer (Tg:80~125 DEG C), polyvinyl chloride (Tg:87 DEG C), poly-methyl methacrylate Ester (Tg:90 DEG C), polystyrene (Tg:100 DEG C), polyacrylonitrile (Tg:104 DEG C), polyphenylene oxide (PPO, Tg:104~120 DEG C), Polyphenylene sulfide (Tg:92 DEG C), polycarbonate (Tg:050 DEG C), polyether sulfone (Tg:230 DEG C), gathers polytetrafluoroethylene (PTFE) (Tg:126 DEG C) Amide imide (Tg:275 DEG C), further preferred polyphenylene oxide, polyethylene terephthalate, gather to benzene two polyphenylene sulfide Formic acid butanediol ester, polyethylene naphthalate, polybutylene naphthalate, poly terephthalic acid 1,3- propylene glycol ester, Polycarbonate and polyarylate.
In addition, the combination as the thermoplastic elastomer (TPE) and the specific resin of the 5th viewpoint of the invention, from general Loss factor (Tan δ) maintains in low-level situation from the viewpoint of raising elasticity modulus, in addition to polyamide-based thermoplastic elastomehc Property body and polyphenylene oxide combination other than, preferred polyamide based thermoplastic elastomer and polyphenylene sulfide, polyethylene terephthalate Ester, polybutylene terephthalate (PBT), polyethylene naphthalate, polybutylene naphthalate, poly terephthalic acid 1, The combination of any one of 3-propanediol ester, polycarbonate or polyarylate, polystyrene resin；And Polyester thermoplastic elastic Body and polyphenylene oxide, polyphenylene sulfide, polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalenedicarboxylic acid second two Any one of alcohol ester, polybutylene naphthalate, poly terephthalic acid 1,3- propylene glycol ester, polycarbonate, polyarylate Combination.
(resin material)
In the resin material of the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention, the thermoplastic Property elastomer and the 5th viewpoint of the invention specific resin resin material containing than can be relative to the thermoplastic elastomehc Property body hard segment (x) and the resin (y) total amount (x+y), the mass ratio of the soft chain segment (z) of the thermoplastic elastomer (TPE) (x+y:z) it is determined on the basis of.As the mass ratio (x+y:z), preferably 10:90~90:10, further preferably 40: 60~80:20.If the mass ratio (x+y:z) in the range of 10:90~90:10, can give full play to will be described The Tan δ of tyre framework body maintains the effect that elasticity modulus is improved in low-level situation.
In addition, the specific resin of hard segment (x) and the 5th viewpoint of the invention for the thermoplastic elastomer (TPE) (y) mass ratio (x:y), from the processing characteristics side of the balance and the difference due to respective fusing point of tensile modulus of elasticity and tan δ Face consideration, preferably 90:10~30:70, further preferably 80:20~40:60.
The fusing point of resin material as the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention, Usually 100 DEG C~350 DEG C, preferably 100 DEG C~250 DEG C or so, from the viewpoint of the productivity of tire, preferably 120 DEG C~250 DEG C or so, further preferably 150 DEG C~200 DEG C.It the use of fusing point is in this way 120~250 DEG C comprising thermoplastic The thermoplastic resin material of property elastomer, for example, the skeleton body in welding tire dividing body (matrix tablet) and form the bone of tire When frame body, the heating temperature at joint portion can be set in the fusing point to form the thermoplastic resin material of tyre framework body or more. Since the tire used of the invention of the 5th viewpoint includes the thermoplastic resin material of thermoplastic elastomer (TPE), even Skeleton body made of 120 DEG C~250 DEG C of temperature range welding, the adhesive strength between tyre framework piece are also abundant.Therefore, The excellent in te pins of durability when driving such as puncture, abrasion resistence of tire of the invention of 5 viewpoints.It should be noted that described Heating temperature preferably than formed the fusing point of the thermoplastic resin material comprising thermoplastic elastomer (TPE) of tyre framework piece it is high by 10~ 150 DEG C of temperature, further preferably high 10~100 DEG C of temperature.
In addition, to the spy of thermoplastic elastomer (TPE) and the 5th viewpoint of the invention in resin material in the present invention of the 5th viewpoint The total content for determining resin is not particularly limited, relative to the total amount of resin material, preferably 50 mass % or more, further preferably For 90 mass % or more.If the total content of the specific resin of thermoplastic elastomer (TPE) and the 5th viewpoint of the invention is relative to resin The total amount of material is the 50 mass % of mass %~100, then can give full play to and be seen with thermoplastic elastomer (TPE) and the of the invention the 5th The effect of the specific resin of point.In the resin material, also can according to need containing rubber, other thermoplastic elastomer (TPE)s, It is thermoplastic resin, various fillers (for example, silica, calcium carbonate, clay), age resister, oil, plasticizer, colorant, resistance to Wait the various additives such as agent, reinforcement material.
The resin material can be by by the specific resin of the thermoplastic elastomer (TPE) and the 5th viewpoint of the invention It mixes and is added as needed various additives, then properly mixed with well known method (for example, melting mixing) to obtain. The thermoplastic resin material that melting mixing obtains can according to need be made graininess come using.
The JIS of resin material as the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention The tensile modulus of elasticity of K7113:1995 defined, preferably 100~1000MPa, further preferably 100~800MPa, it is special It You Xuanwei not 100~700MPa.If the tensile modulus of elasticity of resin material is 100~1000MPa, tire can kept Wheel rim assembling is effectively performed while the shape of skeleton.
The JIS K7113 of the resin material of the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention: The tensile yield strength of 1995 defineds is preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa. If the tensile yield strength of resin material is 5MPa or more, can be resistant to the load for being applied to tire in motion etc. Deformation.
The JIS K7113 of the resin material of the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention: The tensile yield elongation of 1995 defineds is preferably 10% or more, more preferably 10~70%, further preferably 15~ 60%.If the tensile yield elongation of resin material is 10% or more, Hookean region increases, and can improve wheel rim assembling Property.
The JIS of resin material as the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention The tensile failure elongation of K7113:1995 defined, preferably 50% or more, more preferably 100% or more, further preferably It is 150% or more, particularly preferably 200% or more.It, can be with if the tensile failure elongation of resin material is 50% or more Keep wheel rim assemblability good, is collided survivable.
The ISO75- of resin material as the specific resin comprising thermoplastic elastomer (TPE) and the 5th viewpoint of the invention The temperature of deflection under load (when load 0.45MPa) of 2 or ASTM D648 defined, preferably 50 DEG C or more, more preferably 50~ 150 DEG C, further preferably 50~130 DEG C.If the temperature of deflection under load of resin material is 50 DEG C or more, even if in tire Manufacture in tyre framework body can also be inhibited to deform when being vulcanized.
[5-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 5-1 embodiment of the tire of the invention of the 5th viewpoint.This In, the tire of 5-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, same attached drawing And component is illustrated with same symbol and attached drawing.
Here, the carcass 17 of present embodiment is by Thermoplastic polyamide elastomer (Ube Industries, Ltd's system "UBESTA XPA9048X1"；The glass transition temperature (Tg) of hard segment (polyamide 12): 40 DEG C) and polyphenylene oxide (PPE) (Tg:210 DEG C of " the Xyron 200H " of Asahi Kasei Chemicals Corporation) is with (poly- relative to hard segment Amide: x) and the mass ratio (x+ of the soft chain segment (polyethers: z) of the thermoplastic elastomer (TPE) of the total amount (x+y) of the resin (PPE:y) Y:z it) is formed for 72:28.In addition, the mass ratio of hard segment (polyamide 12:x) and the resin (PPE:y) is 48:52.
Carcass 17 is by single thermoplastic resin material (Thermoplastic polyamide elastomer+PPE) shape in present embodiment At, but the 5th viewpoint the present invention is not limited to this composition, can also be same as the previous common pneumatic tire of rubber system, The thermoplastic resin with different characteristic is used at each position (sidewall 14, crown part 16, bead part 12 etc.) of carcass 17 Material.Alternatively, it is also possible to bury configuration reinforcement material in carcass 17 (for example, bead part 12, sidewall 14, crown part 16 etc.) (high molecular material, metal fiber, cord, non-woven cloth, woven cloths etc.) reinforce carcass 17 with reinforcement material.
The carcass 17 of present embodiment is to make to be formed by the resin material comprising Thermoplastic polyamide elastomer and PPE Made of being engaged between a pair of of carcass halfbody (tyre framework piece) 17A.For carcass halfbody 17A, by making with a bead part 12 and a sidewall 14 and half range crown part 16 be an annular shape entirely through molding the same shape such as injection mouldings Carcass halfbody 17A face each other face equatorial plane part engage and formed.It should be noted that carcass 17 is not limited to Two components are engaged to be formed, three can also be engaged and formed with upper member.For other aspects, implement with above-mentioned 1-1 The tire of mode is same, and manufacturing method is also the same.
(effect)
In the tire 10 of present embodiment, since carcass 17 is using comprising Thermoplastic polyamide elastomer and PPE Resin material is formed, and therefore, in the case where the loss factor (Tan δ) of tyre framework body maintains low-level situation, and is individually made It is improved with resilience in comparison modulus the case where the Thermoplastic polyamide elastomer.Therefore, the excellent heat resistance of tire 10, and And rolling resistance can be reduced.In addition, tire 10 and the tire structure compared of previous rubber system are simple, thus it is light-weight.Therefore, The rub resistance and durability of the tire 10 of present embodiment are high.
In addition, in the tire 10 of present embodiment, due to the crown part 16 in the carcass 17 formed by resin material Therefore outer peripheral surface, which along the circumferential direction spirally winds high reinforcement cord 26 rigidly than the resin material, can be improved anti-thorn The circumferencial direction rigidity of wearing property, resistance to incised wound property and tire 10.It should be noted that rigid by the circumferencial direction for improving tire 10 Property, the creep of carcass 17 formed by thermoplastic resin material can be prevented.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface of the crown part 16 of the carcass 17 formed by resin material and closely sealed with resin material, therefore can press down Air when system manufacture enters, and can inhibit by input power when driving etc. and causes to reinforce cord 26 mobile.It can inhibit as a result, Reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Reinforcing cord layer 28 includes resin material to fix the case where reinforcing cord 26 with buffering adhesive when constituting like this Difference compared to the hardness that can make carcass 17 and reinforcing cord layer 28 is small, therefore it is closely sealed solid further can to reinforce cord 26 It is scheduled on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, reinforcement cord structure when driving can be effectively inhibited Part is mobile.
In turn, in the case where reinforcing cord 26 is all-steel cord, since cord 26 can will be reinforced when tire is handled It is easily separated recycling from resin material by heating, therefore, is advantageous in terms of the recycling property of tire 10.Separately Outside, due to resin material, loss factor (Tan δ) is low compared with vulcanized rubber, if reinforcing cord layer 28 includes many trees The rollability of tire then can be improved in rouge material.In turn, resin material has the rigid big, wheel of inplane shear compared with vulcanized rubber Tire control stability when driving, abrasion resistence also excellent advantage.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
In addition, due to the rubber for having abrasion resistence than the resin material comprising Thermoplastic polyamide elastomer and PPE Material constitutes the tyre surface 30 contacted with road surface, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore had due to being equipped in the part of bead part 12 contacted with wheel rim 20 by the resin material than constituting carcass 17 The sealant 24 that the rubber material of leakproofness is constituted, therefore, the leakproofness between tire 10 and wheel rim 20 improve.Therefore, and only It is compared with wheel rim 20 with the case where resin material sealing for constituting carcass 17, the air leakage in tire can be further suppressed.Separately Outside, by the way that sealant 24 is arranged, wheel rim installation is also improved.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point Thermoplastic polyamide elastomer+PPE melting or softening composition, but the 5th viewpoint the present invention is not limited to the structures At, can also with do not heat reinforce cord 26 in the case where with the embedded crown part for reinforcing cord 26 of hot wind generating means heating Then 16 outer peripheral surface will reinforce cord 26 and be embedded in the mode of crown part 16 being arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 5th sees in 5-1 embodiment Point the present invention is not limited to this composition, also can be set as directly heating reinforcement curtain with radiant heat (for example, infrared ray etc.) The composition of line 26.
In turn, in 5-1 embodiment, it is set as that the thermoplastic resin material melting or soft for reinforcing cord 26 will be embedded with The part changed forces cooling composition with metal 2nd roller 64, but the 5th viewpoint the present invention is not limited to this composition, Also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Force the composition cooled and solidified in the part for melting or having softened.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 5-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 5-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 5th viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
As the tire of the complete inner tube of a tyre shape, as shown in figure 4, can be in tire width direction configured with 3 It is made the mode of circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, tire 86 Have: what the same resin material of tread rubber layer 87, You Yu 5-1 embodiment was formed is made circular hollow inner tube (tyre framework body) 88, belt (reinforcing cord) 89, wheel rim 90.3 are arranged in parallel in the tire width direction of tire 86 The inner tube of a tyre 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 is mounted on and has On the wheel rim 90 of the recess portion engaged with the inner tube of a tyre 88.It should be noted that the not set bead core of tire 86.
More than, it enumerates embodiment and the embodiments of the present invention of the 5th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 5th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
[5-2 embodiment]
In the following, according to attached drawing to the 5-2 embodiment of the manufacturing method of the tire of the invention of the 5th viewpoint and tire into Row explanation.The tire of present embodiment is same as above-mentioned 5-1 embodiment, shows the inflation with previous common rubber system The substantially same section shape of tire.
Here, the tire of 5-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 5-2 embodiment is same as above-mentioned 5-1 embodiment, and carcass 17 is by polyamide-based thermoplastic elastomehc Property body (" the UBESTA XPA9048X1 " of Ube Industries, Ltd；The glass transition temperature of hard segment (polyamide 12) (Tg): 40 DEG C) and polyphenylene oxide (PPE) (" Xyron 200H " Tg of Asahi Kasei Chemicals Corporation: 210 DEG C) relative to the soft of hard segment (polyamide: x) and the thermoplastic elastomer (TPE) of the total amount (x+y) of the resin (PPE:y) What the mass ratio (x+y:z) of segment (polyethers: z) was 72:28 to be formed.In addition, hard segment (polyamide 12:x) and the resin (PPE:y) mass ratio is 48:52.For other aspects, manufacturing method same as the tire of above-mentioned 1-2 embodiment Equally.
(effect)
In the tire 200 of present embodiment, since carcass 17 is using comprising Thermoplastic polyamide elastomer and PPE Resin material is formed, and therefore, in the case where the loss factor (Tan δ) of tyre framework body maintains low-level situation, and is individually made It is improved with resilience in comparison modulus the case where the Thermoplastic polyamide elastomer.Therefore, the excellent heat resistance of tire 10, and And rolling resistance can be reduced.In addition, tire 200 and the tire structure compared of previous rubber system are simple, thus it is light-weight.Therefore, The rub resistance and durability of the tire 200 of present embodiment are high.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In turn, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord 26A is all-steel cord, due to can be by cord component when tire is handled 26A is easily separated recycling from covering cord component 26B by heating, therefore, is in terms of the recycling property of tire 200 It is advantageous.In addition, since loss factor (Tan δ) is low compared with vulcanized rubber for resin material, if reinforcing cord layer 28 Comprising many resin materials, then the rollability of tire can be improved.In turn, resin material has in face and cuts compared with vulcanized rubber Control stability, abrasion resistence when cutting rigidity big, tire running also excellent advantage.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 5th viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 5-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming the structure of carcass 17 At, but the 5th viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 5-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 5th viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape (such as shape shown in Fig. 4).
In 5-2 embodiment, buffering adhesive 29, but the present invention of the 5th viewpoint are configured between carcass 17 and tyre surface 30 It is not limited to this, also can be set as the composition that buffering adhesive 29 is not configured.
In addition, be set as covering the composition of cord component 26B to 16 spirally winding of crown part in 5-2 embodiment, But the present invention is not limited thereto for the 5th viewpoint, also can be set as to cover cord component 26B in the discontinuous side of width direction The composition of formula winding.
In 5-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as thermoplastic Property material, by heat the covering with resin material 27 formed melting or soft state will cover the 26B welding of cord component exist The composition of the outer peripheral surface of crown part 16, but the 5th viewpoint the present invention is not limited to this composition, also can be set as not heating Covering cord component 26B is bonded in in the case where covering resin material 27 with bonding agent etc. the structure of the outer peripheral surface of crown part 16 At.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 5-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 5th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 5th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
" present invention of the 6th viewpoint "
The tire of the invention of 6th viewpoint be with using thermoplastic resin material formed cricoid tyre framework body, And the volume resistivity of the tyre framework body is 1.0 × 106~1.0 × 1010Range tire.
The tire of the invention of 6th viewpoint is by the way that with aforementioned composition, antistatic effect is excellent.
In the following, being said for the tire of the invention of the 6th viewpoint to the tyre framework body etc. as its constituent element It is bright, then it is illustrated using specific embodiment of the figure to the tire of the invention of the 6th viewpoint.
[tyre framework body]
The tyre framework body of the invention of 6th viewpoint is formed using thermoplastic resin material, it is desirable that volume resistivity is 1.0×106~1.0 × 1010Range.As the volume resistivity that the tyre framework body is shown, more preferably 1.0 × 106 Cm~5.0 × 10 Ω9The range of Ω cm, further preferably 5.0 × 106Cm~5.0 × 10 Ω9The range of Ω cm.
Volume resistivity in the present invention of 6th viewpoint is to use Mitsubishi Chemical Analytech Co., Ltd. the resistrivity meter " HIRESTA UP MCP-HT450 type " made, according to JIS K6911:(1995 year) be measured to obtain Measured value.
In the present invention of 6th viewpoint, as the method for the volume resistivity that control tyre framework body is shown, do not limit especially System, the method for preferably making tyre framework body contain anti-static material.
< anti-static material >
As anti-static material, as long as the volume resistivity that tyre framework body is shown can be controlled 1.0 × 106~ 1.0×1010In the range of, it can be inorganic material and be also possible to organic material.
In addition, anti-static material, which can be solid, is also possible to liquid.
As anti-static material, for example, can enumerate: the conductive polymer materials such as polyaniline, polypyrrole, polyacetylene； Tetraethyl ammonium, tetrabutylammonium, dodecyl trimethyl ammonium, cetyltrimethyl ammonium, octadecyltrimethylammonium, benzyl front three The perchlorate of base ammonium, modified fat acid dimethyl ethyl ammonium etc., chlorate, hydrochloride, bromate, iodate, borofluoride, The ammonium salts such as sulfate, sulfovinate, carboxylate, sulfonate；The perchloric acid of the alkali metal such as lithium, sodium, potassium, calcium, magnesium, alkaline-earth metal Salt, chloric acid chlorine, hydrochloride, bromate, iodate, borofluoride, trifluoromethyl sulfate, sulfonate, phosphate plasma are led Electric agent；N, N- diethyl-N- methyl-N- (2- methoxy ethyl) ammonium tetrafluoroborate, 1- ethyl-3-methylimidazole acetate, 1- Butyl -3- methylimidazole dicyandiamide salt, tetrabutylammonium bromide, three hexyls-myristyl,-phosphonium chloride isoiony liquid；Section's qin The conductive carbon blacks such as black, acetylene black；The rubber grade carbon blacks such as SAF, ISAF, HAF, FEF, GPF, SRF, FT, MT；It implements at oxidation The ink carbon of reason, pyrolytic carbon, natural graphite, artificial graphite, gas-phase growth of carbon fibre (VGCF), carbon nanotube (CNT) etc. are led Electrical carbon material；The conductive metal oxides such as tin oxide, titanium oxide, zinc oxide；Metals such as nickel, copper, silver, germanium etc..
In these anti-static materials, preferred ion conductive agent, carbon black, ionic liquid, more preferable rubber grade carbon black, phosphorus Acid esters plasma conductive agent, from have both antistatic property and inhibit tan increase from the viewpoint of, further preferred phosphate system etc. from Subconductivity agent.
As the example for the phosphate system ionic conductive agent that may be used as anti-static material, the following general formula (a) can be enumerated Compound represented.
[chemical formula 5]
In general formula (a), R, R ' and R " separately indicate hydrogen atom or 1 valence substituent group.Wherein, R, R ' and R " in extremely Few 11 valence substituent group of expression.
As anti-static material, commercially available product can be used, for example, the エ レ Na of high terebinth Co. Ltd. system can be enumerated イ ト series, for example, エ レ Na イ ト 139, AB-100,139A, A-73R, K-320, TS-897 etc..
Anti-static material contained by tyre framework body can be independent one kind, be also possible to two or more.
It is excellent relative to the gross mass for the thermoplastic resin material for forming tyre framework body as the content of anti-static material It is selected as the 1 mass % of mass %~30, the more preferably 1 mass % of mass %~20, further preferably 1 matter of mass %~10 Measure %.
It, can by being set as being formed one of the ingredient that the thermoplastic resin material of tyre framework body contains for anti-static material So that tyre framework body contains anti-static material.
As the ingredient that thermoplastic resin material contains, thermoplastic resin can be or can be with appointing in its ingredient It is a kind of.
It the case where if it is application conductive polymer material as anti-static material, then can be used as the electric conductivity The Electroconductive thermoplastic resin of high molecular material, and formed using the thermoplastic resin material comprising the Electroconductive thermoplastic resin Tyre framework body.As the Electroconductive thermoplastic resin, it may for example comprise have been assigned the thermoplastic elastomer (TPE) of electric conductivity.
In addition, as anti-static material, the case where if it is phosphate system isoiony conductive agent is used, then take turns improving While the antistatic effect of tire, the rising of rolling resistance can also be inhibited.In addition, as anti-static material, if it is using The case where conductive carbon materials such as carbon black, can also play raising and stretch spy then while improving the antistatic effect of tire The reinforcing effects such as property.
These effects can solve the substantive project for using thermoplastic resin material as tyre framework material when, Ke Yiti For safety and high performance tire.
It should be noted that the tan δ that the rolling resistance of tire can be shown with forming the thermoplastic resin material of the tire It is indicated for index.It is believed that the loss factor (tan δ) of thermoplastic resin material is equivalent to thermoplastic resin material The size deformed caused by thermoplastic resin material when applying stress.Thus, form the thermoplastic resin material of tyre framework body The tan δ of material means that tire is easy when applying stress to tire due tos tire and the friction on road surface etc. in running car when big It is deformed.The rolling resistance of tire becomes larger the amount that tire is deformed.
In addition, " loss factor (tan δ) " is the storage by 30 DEG C, under the conditions of 20Hz, shear strain 1% in this specification The value that the ratio between the coefficient of rigidity (G ') and the loss coefficient of rigidity (G ") (G "/G ') calculate, being should when indicating material deformation Material absorbs the value (hereinafter sometimes referred to simply as " tan δ " of the energy (being converted into heat) of which kind of degree.).Since the value of Tan δ is bigger Energy is more absorbed, therefore, the rolling resistance as tire increases, as a result as the main of the specific fuel consumption reduced performance of tire Reason.It should be noted that the tan δ of thermoplastic elastomer (TPE) can use measurement of dynamic viscoelasticity device (Dynamic- Mechanical Analysis:DMA) it is measured.
(thermoplastic resin material)
Tyre framework body in the present invention of 6th viewpoint is formed using thermoplastic resin material.
" thermoplastic resin material " refers to the material including at least thermoplastic resin in the present invention of 6th viewpoint, includes heat The material of ingredient other than plastic resin is also contained in thermoplastic resin material.
" thermoplastic resin " does not include the vulcanized rubbers such as previous natural rubber, synthetic rubber in the present invention of 6th viewpoint.
< thermoplastic elastomer (TPE) >
Thermoplastic resin material in the present invention of 6th viewpoint contains thermoplastic elastomer (TPE).
" thermoplastic elastomer (TPE) " is a kind of form of thermoplastic resin as described above in the present invention of 6th viewpoint, is referred to By there is the polymer for constituting crystallinity and the high high hard segment of hard segment or cohesive force of fusing point in molecule and constitute amorphous Property and the polymer of the low soft chain segment of glass transition temperature the thermoplastic resin that is formed of copolymer.
As the thermoplastic elastomer (TPE) of the invention that can be applied to the 6th viewpoint, for example, JIS K6418 can be enumerated: Thermoplastic polyamide elastomer (TPA), the Polyester thermoplastic elastomer (TPE) (TPC), polyolefin thermoplasticity of 2007 defineds Elastomer (TPO), polystyrene thermoplastic elastomer (TPE) (TPS), polyurethane series thermoplastic elastomer (TPE) (TPU), thermoplastic elastomer Crosslinked (TPV) or other thermoplastic elastomer (TPE)s (TPZ) etc..
Thermoplastic polyamide elastomer-
So-called Thermoplastic polyamide elastomer refers to for the polymer for constituting crystallinity and the high hard segment of fusing point With the copolymer of the polymer for constituting amorphism and the low soft chain segment of glass transition temperature and constitute the polymer of hard segment With the elastomer of amido bond (- CONH-) on main chain." Thermoplastic polyamide elastomer " in present embodiment can be used With the same Thermoplastic polyamide elastomer of the present invention of above-mentioned 1st viewpoint.
Polyester thermoplastic elastomer (TPE)-
For Polyester thermoplastic elastomer (TPE), can enumerate at least polyester constitute crystallinity and the high hard segment of fusing point, its Its polymer (such as polyester or polyethers etc.) constitutes the material of amorphism and the low soft chain segment of glass transition temperature.This embodiment party " Polyester thermoplastic elastomer (TPE) " in formula is identical as the present invention in above-mentioned 2nd viewpoint.
Polystyrene thermoplastic elastomer (TPE)
For polystyrene thermoplastic elastomer (TPE), at least polystyrene can be enumerated and constitute hard segment, other polymer (for example, polybutadiene, polyisoprene, polyethylene, hydrogenated butadiene polymer, hydrogenated polyisoprene etc.) constitutes amorphism and glass The material of the low soft chain segment of glass transition temperature." polystyrene thermoplastic elastomer (TPE) " and the above-mentioned 2nd in present embodiment The present invention in viewpoint is identical.
Polyurethane series thermoplastic elastomer (TPE)-
For polyurethane series thermoplastic elastomer (TPE), at least polyurethane can be enumerated and constituted through the pseudo- friendship of physical aggregation formation The hard segment of connection, other polymer constitute the material of amorphism and the low soft chain segment of glass transition temperature.In present embodiment " polyurethane series thermoplastic elastomer (TPE) " it is identical as the present invention in above-mentioned 2nd viewpoint.
Polyolefin thermoplastic elastomer (TPE)-
For polyolefin thermoplastic elastomer (TPE), at least polyolefin can be enumerated and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, described polyolefin, other polyolefin, polyvinyl compound) constitute amorphism and vitrifying turns The material of the low soft chain segment of temperature.In " polyolefin thermoplastic elastomer (TPE) " and above-mentioned 2nd viewpoint in present embodiment The present invention is identical.
In addition, also can be used as thermoplastic elastomer (TPE) and carry out thermoplastic obtained from acid is modified to thermoplastic elastomer (TPE) Property elastomer.
So-called " carrying out thermoplastic elastomer (TPE) obtained from acid is modified to thermoplastic elastomer (TPE) ", can enumerate with acidity The compound of group imports thermoplastic elastomer (TPE) obtained from acidic-group in thermoplastic elastomer (TPE).As for thermoplastic elastomehc Property body the modified compound with acidic-group of acid, can enumerate with acidic-groups such as carboxylic acid group, sulfate, phosphates Unsaturated compound.As the unsaturated compound with acidic-group, from the viewpoint for inhibiting thermoplastic elastomer (TPE) to deteriorate Consider, it is however preferred to have the unsaturated compound of the carboxylic acid group as weak acid group, for example, acrylic acid, methyl-prop can be enumerated Olefin(e) acid, itaconic acid, crotonic acid, iso-crotonic acid, maleic acid etc..
As the example for keeping thermoplastic elastomer (TPE) acid modified, send as an envoy to olefin series thermoplastic elastomer or styrene can be enumerated Based thermoplastic elastomer is by way of the unsaturated bond position of the bonding such as graft polymerization unsaturated carboxylic acid.
Thermoplastic resin material may include two or more thermoplastic elastomer (TPE)s, but use thermoplastic resin material from control From the viewpoint of the tyre performance of the tire of formation, preferred thermoplastic elastomer is one kind.
In thermoplastic elastomer (TPE) described above, from tensile modulus of elasticity, tensile strength and breaking strain it is excellent and Can be at lower temperatures from the aspect of welding, more preferably Thermoplastic polyamide elastomer.In addition, from tensile modulus of elasticity, drawing Stretch intensity and breaking strain it is excellent and with heat resistance and can make temperature set amplitude expand from the viewpoint of, Polyester Thermoplastic elastomer (TPE) it is also preferred that.Wherein, as the thermoplastic elastomer (TPE) in the present invention of the 6th viewpoint, particularly preferably polyamide Based thermoplastic elastomer.
The physical property-of thermoplastic elastomer (TPE)
The tensile elasticity mould of the JIS K7113:1995 defined of thermoplastic resin material as the 6th viewpoint of the invention Amount, preferably 100MPa~1000Mpa, more preferably 100MPa~800MPa, further preferably 100MPa~700MPa.Such as The tensile modulus of elasticity of fruit thermoplastic elastomer (TPE) is 100MPa~1000MPa, then can keep the same of the shape of tyre framework When be effectively performed wheel rim assembling.Elasticity modulus is right with the Shimadzu AUTOGRAPH AGS-J (5kN) of Shimadzu Seisakusho Ltd. The dumbbell shaped test film (No. 5 shape test films) of JISK6251:1993 defined with tensile speed 200mm/min is measured and Obtained value.
The tensile yield strength of the JIS K7113:1995 defined of the thermoplastic resin material of 6th viewpoint of the invention is excellent It is selected as 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the stretching of thermoplastic resin material is bent Taking intensity is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield elongation of the JIS K7113:1995 defined of the thermoplastic resin material of 6th viewpoint of the invention Preferably 10% or more, more preferably 10~70%, further preferably 15~60%.If the stretching of thermoplastic resin material Yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure of the JIS K7113:1995 defined of thermoplastic resin material as the 6th viewpoint of the invention is stretched Long rate, preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% with On.If the tensile failure elongation of thermoplastic resin material is 50% or more, wheel rim assemblability can be made good, be collided It is survivable.
The load of the ISO75-2 or ASTM D648 defined of thermoplastic resin material as the 6th viewpoint of the invention is scratched Qu Wendu (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 DEG C. If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, the change in the vulcanization step such as tyre surface can be inhibited Shape.
For the content of the thermoplastic elastomer (TPE) in the thermoplastic resin material of the 6th viewpoint of the invention, from giving full play to From the viewpoint of the performance of thermoplastic elastomer (TPE), relative to the gross mass of thermoplastic resin material, preferably 40 mass %~95 Quality %, more preferably 50 mass of mass %~90 %.
It, can also root other than the anti-static material in the 6th viewpoint of the invention in thermoplastic resin material According to needs, the various additives other than specific acicular grains are contained in the range of not damaging the effect of the invention of the 6th viewpoint. As the example of additive, filler, age resister, oil, plasticizer, colorant, weather resisting agent, reinforcement material etc. can be enumerated.
For the thermoplastic resin material of the 6th viewpoint of the invention, for example, can be with by thermoplastic elastomer (TPE), antistatic Material and various additives used as needed mix and carry out melting mixing and prepared by the form of mixture that is formed. Thermoplastic resin material can according to need be made graininess come using.
The tire of the invention of 6th viewpoint has the cricoid tyre framework formed using above-mentioned thermoplastic resin material Body is (in the following, be also properly termed as " carcass ".).The tyre framework body can be used thermoplastic resin material and pass through various forming methods It is integrally formed to be formed, it can also be by after forming a pair of of carcass halfbody (tyre framework piece) using various forming methods Make to engage between the carcass halfbody to be formed.From the viewpoint of manufacturing, preferably make to engage and shape between a pair of of carcass halfbody At the mode of tyre framework body.
[reinforcing cord layer]
The tire of the invention of 6th viewpoint also can have the peripheral part in tyre framework body and along the circumferential direction wind and shape At the reinforcement cord component of reinforcing cord layer.
[structure of [resin material for constituting reinforcing cord layer] of 6th viewpoint of the invention with the 1st viewpoint of aforementioned present invention At the resin material of reinforcing cord layer] it is same.
In the following, the specific embodiment of the tire of the invention for the 6th viewpoint, is described in more detail 6-1 with example And 6-2 embodiment.
[6-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 6-1 embodiment of the tire of the invention of the 6th viewpoint.This In, the tire of 6-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, same attached drawing And component is illustrated with same symbol and attached drawing.
Carcass 17 in present embodiment using as Thermoplastic polyamide elastomer (Ube Industries, Ltd " UBESTA XPA9055X1 ") and anti-static material (" the エ レ Na イ ト AB-100 " of high terebinth Co. Ltd. system) mixing The thermoplastic resin material of object is formed.The volume resistivity of carcass 17 is 2.1 × 109Ω·cm。
Carcass 17 is by the thermoplastic resin material containing single thermoplastic elastomer (TPE) and anti-static material in present embodiment Material is formed, but the 6th viewpoint the present invention is not limited to this composition, can also be same with the pneumatic tire of previous common rubber system Sample uses the thermoplastic resin with different characteristic at each position (sidewall 14, crown part 16, bead part 12 etc.) of carcass 17 Rouge material.Alternatively, it is also possible to bury configuration armature in carcass 17 (for example, bead part 12, sidewall 14, crown part 16 etc.) Expect (high molecular material, metal fiber, cord, non-woven cloth, woven cloths etc.), reinforces carcass 17 with reinforcement material.For Other aspects, same as the tire of above-mentioned 1-1 embodiment, manufacturing method is also the same.
(effect)
In the tire 10 of present embodiment, since carcass 17 is using containing Thermoplastic polyamide elastomer and as anti- The thermoplastic resin material of the phosphate system ionic conductive agent of electrostatic material is formed, and therefore, only contains thermoplastic elastic with using The case where thermoplastic resin material of body, is compared, and antistatic effect is excellent, and low tan δ (low-loss, low-heat-generation) is also excellent It is different.Therefore, for tire 10 while playing excellent antistatic effect, rolling resistance is also excellent.In turn, tire 10 and previous The tire structure compared of rubber system is simple, therefore light-weight.Therefore, the rub resistance and durability of the tire 10 of present embodiment It is high.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than the resin material and therefore can be improved The circumferencial direction rigidity of puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference side for improving tire 10 To rigidity, the creep of carcass 17 formed by thermoplastic resin material can be prevented.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface of the crown part 16 of the carcass 17 formed by thermoplastic resin material and closely sealed with resin material, because Air when this can inhibit manufacture enters, and can inhibit by input power when driving etc. and causes to reinforce cord 26 mobile.As a result, It can inhibit and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Reinforcing cord layer 28 includes resin material to fix the case where reinforcing cord 26 with buffering adhesive when constituting like this Difference compared to the hardness that can make carcass 17 and reinforcing cord layer 28 is small, therefore it is closely sealed solid further can to reinforce cord 26 It is scheduled on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, reinforcement cord structure when driving can be effectively inhibited Part is mobile.
In turn, in the case where reinforcing cord 26 is all-steel cord, since cord 26 can will be reinforced when tire is handled It is easily separated recycling from resin material by heating, therefore, is advantageous in terms of the recycling property of tire 10.Separately Outside, due to resin material, loss factor (Tan δ) is low compared with vulcanized rubber, if reinforcing cord layer 28 includes many trees The rollability of tire then can be improved in rouge material.In turn, resin material has the rigid big, wheel of inplane shear compared with vulcanized rubber Tire control stability when driving, abrasion resistence also excellent advantage.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
In addition, due to the rubber material structure for having abrasion resistence than the resin material comprising the 1st and the 2nd thermoplastic elastomer (TPE) At the tyre surface 30 contacted with road surface, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore had due to being equipped in the part of bead part 12 contacted with wheel rim 20 by the resin material than constituting carcass 17 The sealant 24 that the rubber material of leakproofness is constituted, therefore, the leakproofness between tire 10 and wheel rim 20 improve.Therefore, and only It is compared with wheel rim 20 with the case where resin material sealing for constituting carcass 17, the air leakage in tire can be further suppressed.Separately Outside, by the way that sealant 24 is arranged, wheel rim installation is also improved.
In 6-1 embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 6th viewpoint the present invention is not limited to this composition, can also be with Do not heat reinforce cord 26 in the case where with the outer peripheral surface of the embedded crown part 16 for reinforcing cord 26 of hot wind generating means heating, Then it will reinforce cord 26 and be embedded in the mode of crown part 16 to be arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 6th sees in 6-1 embodiment Point the present invention is not limited to this composition, also can be set as directly heating reinforcement curtain with radiant heat (for example, infrared ray etc.) The composition of line 26.
In turn, in 6-1 embodiment, it is set as that the thermoplastic resin material melting or soft for reinforcing cord 26 will be embedded with The part changed forces cooling composition with metal 2nd roller 64, but the 6th viewpoint the present invention is not limited to this composition, Also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Force the composition cooled and solidified in the part for melting or having softened.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 6-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 6-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 6th viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
As the tire of complete inner tube of a tyre shape, it is made in tire width direction configured with 3 as shown in figure 4, can be The mode of circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, tire 86 is standby Have: what the same resin material of tread rubber layer 87, You Yu 6-1 embodiment was formed is made circular hollow inner tube (wheel Tire bone frame body) 88, belt (reinforcing cord) 89, wheel rim 90.3 inner tubes of a tyre are arranged in parallel in the tire width direction of tire 86 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 be mounted on have with it is interior On the wheel rim 90 for the recess portion that tire 88 engages.It should be noted that the not set bead core of tire 86.
More than, it enumerates embodiment and the embodiments of the present invention of the 6th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 6th viewpoint is of the invention Range is not limited to these embodiments certainly.
[6-2 embodiment]
In the following, being illustrated according to 6-2 embodiment of the attached drawing to the tire of the invention of the 6th viewpoint.
Here, the tire of 6-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 6-2 embodiment is same as 6-1 embodiment, and carcass 17 is using as (the emerging production strain formula meeting in space portion " the UBESTA XPA9055X1 " of society) and anti-static material (" the エ レ Na イ ト AB-100 " of high terebinth Co. Ltd. system) The thermoplastic resin material of mixture formed.The volume resistivity of carcass 17 is 2.1 × 109Ω·cm.For its other party Face, same as the tire of above-mentioned 1-2 embodiment, manufacturing method is also the same.
(effect)
In the tire 200 of present embodiment, since carcass 17 is using containing thermoplastic elastomer (TPE) and as antistatic material The thermoplastic resin material of the phosphate system ionic conductive agent of material is formed, and therefore, and uses heat only containing thermoplastic elastomer (TPE) The case where plastic resin material, is compared, and antistatic effect is excellent, and low tan δ (low-loss, low-heat-generation) is also excellent.Cause This, for tire 200 while playing excellent antistatic effect, low tan δ (low-loss, low-heat-generation) is also excellent.In turn, Tire 200 and the tire structure compared of previous rubber system are simple, therefore light-weight.Therefore, the tire 200 of present embodiment is resistance to Frictional property and durability are high.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In turn, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord 26A is all-steel cord, due to can be by cord component when tire is handled 26A is easily separated recycling from covering cord component 26B by heating, therefore, is in terms of the recycling property of tire 200 It is advantageous.In addition, since loss factor (Tan δ) is low compared with vulcanized rubber for resin material, if reinforcing cord layer 28 Comprising many resin materials, then the rollability of tire can be improved.In turn, resin material has in face and cuts compared with vulcanized rubber Control stability, abrasion resistence when cutting rigidity big, tire running also excellent advantage.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 6th viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In 6-2 embodiment, it is set as engaging carcass halfbody 17A and forming the composition of carcass 17, but the sheet of the 6th viewpoint Invention is not limited to this composition, can also use the integrally formed carcass 17 such as mold.
The tire 200 of 6-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 6th viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape (such as shape shown in Fig. 4).
In 6-2 embodiment, buffering adhesive 29, but the present invention of the 6th viewpoint are configured between carcass 17 and tyre surface 30 It is not limited to this, also can be set as the composition that buffering adhesive 29 is not configured.
In addition, be set as covering the composition of cord component 26B to 16 spirally winding of crown part in 6-2 embodiment, But the present invention is not limited thereto for the 6th viewpoint, also can be set as to cover cord component 26B in the discontinuous side of width direction The composition of formula winding.
In 6-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as thermoplastic Property material, by heat the covering with resin material 27 formed melting or soft state will cover the 26B welding of cord component exist The composition of the outer peripheral surface of crown part 16, but the 6th viewpoint the present invention is not limited to this composition, also can be set as not heating Covering cord component 26B is bonded in in the case where covering resin material 27 with bonding agent etc. the structure of the outer peripheral surface of crown part 16 At.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 6-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 6th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 6th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
" present invention of the 7th viewpoint "
In the following, being illustrated to the thermoplastic resin material of the composition tyre framework body in the present invention of the 7th viewpoint, then It is illustrated using specific embodiment of the figure to the tire of the invention of the 7th viewpoint.
[thermoplastic resin material]
The tire of the invention of 7th viewpoint has the cricoid tyre framework body formed by thermoplastic resin material, described Thermoplastic resin material includes: thermoplastic elastomer (TPE) and the thermoplastic elastomer (TPE) in molecule with hard segment and soft chain segment In addition with the same kind of resin of the hard segment.
As the thermoplastic resin material for forming the cricoid tyre framework body of tire is constituted, by applying thermoplastic elastic The same kind of resin of hard segment having with thermoplastic elastomer (TPE) other than body and thermoplastic elastomer (TPE) (is seen of the invention the 7th Point specific resin) combination can also make the rolling resistance of tire not even if the elasticity modulus of thermoplastic resin material becomes larger It is easy to increase.
In the following, being illustrated to the specific resin of thermoplastic elastomer (TPE) and the 7th viewpoint of the invention.
(thermoplastic elastomer (TPE))
So-called " thermoplastic elastomer (TPE) ", as described above, being the thermoplastic resin material in molecule with hard segment and soft chain segment Material, is flexible high-molecular compound specifically, refers to and constitutes the poly- of crystallinity and the high hard segment of fusing point by having Close the thermoplastic resin material that the copolymer of the polymer of the object soft chain segment low with composition amorphism and glass transition temperature is formed Material.It should be noted that in thermoplastic elastomer (TPE), not comprising vulcanized rubbers such as previous natural rubber, synthetic rubber.
As thermoplastic elastomer (TPE), for example, Thermoplastic polyamide elastomer, polyolefin thermoplastic elastic can be enumerated Body, polystyrene thermoplastic elastomer (TPE), Polyester thermoplastic elastomer (TPE) etc..
(Thermoplastic polyamide elastomer)
" Thermoplastic polyamide elastomer " is flexible high-molecular compound, is referred to constitute crystallinity by having And the copolymerization of the polymer of the high hard segment of fusing point and the polymer for constituting amorphism and the low soft chain segment of glass transition temperature Elasticity with amido bond (- CONH-) on the thermoplastic resin material and the main chain of the polymer of composition hard segment that object is formed Body.
As the crystalline polyamide for constituting hard segment, can enumerate through polycaprolactam (nylon-6), poly- ω- Aminoheptylic acid (nylon -7), poly- omega-amino n-nonanoic acid (nylon-9), nylon 11 (nylon-11), poly- lauryl lactan (Buddhist nun Imperial -12), polyethyene diamine adipamide (polyethylene diamine adipamide) (nylon -2,6), poly hexamethylene adipamide 1,4- butanediamine (nylon -4,6), poly hexamethylene adipamide 1,6- hexamethylene diamine (nylon-6,6), poly- decanedioyl 1,6- hexamethylene diamine (nylon-6, 10), poly- lauroyl diamines 1,6- hexamethylene diamine (polyhexamethylene Dodecamide) (nylon-6,12), poly hexamethylene adipamide The fatty polyamides such as 1,8- octamethylenediamine (nylon -8,6), poly hexamethylene adipamide 1,10- decamethylene diamine (nylon -10,8), m-xylene diamine, The aromatic diamines such as p dimethylamine and adipic acid, suberic acid, decanedioic acid, cyclohexane dicarboxylic acid, terephthalic acid (TPA), isophthalic diformazan Crystalline aromatic polyamide etc. obtained from the polycondensation reaction of the dicarboxylic acids such as acid or derivatives thereof.
Wherein, preferably nylon-6, nylon-6,6, Nylon-12 etc., more preferably Nylon-12.In present embodiment The same polyamide-based thermoplastic elastic with the present invention of above-mentioned 1st viewpoint can be used in " Thermoplastic polyamide elastomer " Body.
(polyolefin thermoplastic elastomer (TPE))
" polyolefin thermoplastic elastomer (TPE) " is flexible high-molecular compound, is to constitute crystallinity and molten by having The copolymer shape of the polymer of the polymer of the high hard segment of the point soft chain segment low with composition amorphism and glass transition temperature At thermoplastic resin material.This hair in " polyolefin thermoplastic elastomer (TPE) " and above-mentioned 2nd viewpoint in present embodiment It is bright identical.
(polystyrene thermoplastic elastomer (TPE))
" polystyrene thermoplastic elastomer (TPE) " is flexible high-molecular compound, refers to and constitutes hard segment by having The thermoplastic resin that is formed with the copolymer for the polymer for constituting amorphism and the low soft chain segment of glass transition temperature of polymer Rouge material, and the polymer for constituting hard segment includes polystyrene and polystyrene derivative." polyphenyl second in present embodiment Alkene based thermoplastic elastomer " is identical as the present invention in above-mentioned 2nd viewpoint.
(Polyester thermoplastic elastomer (TPE))
Polyester thermoplastic elastomer (TPE) in the present invention of 7th viewpoint is flexible high-molecular compound, is by having There are the polymer for constituting crystallinity and the high hard segment of fusing point and composition amorphism and the low soft chain segment of glass transition temperature The thermoplastic resin material that the copolymer of polymer is formed, and include polyester resin as the polymer for constituting hard segment.This reality " the Polyester thermoplastic elastomer (TPE) " applied in mode is identical as the present invention in above-mentioned 2nd viewpoint.
Thermoplastic resin material may include two or more thermoplastic elastomer (TPE)s, but use thermoplastic resin material from control From the viewpoint of the tyre performance of the tire of formation, preferred thermoplastic elastomer is one kind.
In thermoplastic elastomer (TPE) described above, tensile modulus of elasticity while from heat resistance, tensile strength and From the viewpoint of breaking strain is excellent, preferably Thermoplastic polyamide elastomer.
(same kind of resin (specific resin of the 7th viewpoint of the invention))
It is same comprising the hard segment having with thermoplastic elastomer (TPE) other than thermoplastic elastomer (TPE) in thermoplastic resin The resin (specific resin of the 7th viewpoint of the invention) of class.
" with the same kind of resin of hard segment " that thermoplastic elastomer (TPE) has, referring to has and constitutes thermoplastic elastomer (TPE) The resin of the common skeleton of the skeleton of the main chain for the hard segment having, the resin in the present invention of the 7th viewpoint refer to thermoplastic Property or heat cured resin, not comprising vulcanized rubbers such as previous natural rubber, synthetic rubber.
Specifically, being Thermoplastic polyamide elastomer in the thermoplastic elastomer (TPE) that thermoplastic resin material is included In the case of, use polyamide resin as the specific resin of the 7th viewpoint of the invention, is polyene in thermoplastic elastomer (TPE) In the case where hydrocarbon system thermoplastic elastomer (TPE), use polyolefin-based resins as the specific resin of the 7th viewpoint of the invention, In the case that thermoplastic elastomer (TPE) is polystyrene thermoplastic elastomer (TPE), use polystyrene resin as of the invention the The specific resin of 7 viewpoints.
(polyamide resin)
Polyamide resin is the resin on main chain with amido bond (- NHCO-), can be thermosetting property, is also possible to heat Plasticity.
As polyamide resin, can enumerate through polycaprolactam (nylon-6), poly- omega-amino enanthic acid (nylon- 7), poly- omega-amino n-nonanoic acid (nylon-9), nylon 11 (nylon-11), poly- lauryl lactan (Nylon-12), poly- second two Amine adipamide (nylon -2,6), poly hexamethylene adipamide 1,4- butanediamine (nylon -4,6), poly hexamethylene adipamide 1,6- hexamethylene diamine (nylon - 6,6), poly- decanedioyl 1,6- hexamethylene diamine (nylon-6,10), poly- lauroyl diamines 1,6- hexamethylene diamine (nylon-6,12), poly hexamethylene adipamide The fatty polyamides such as 1,8- octamethylenediamine (nylon -8,6), poly hexamethylene adipamide 1,10- decamethylene diamine (nylon -10,8), m-xylene diamine, The aromatic diamines such as p dimethylamine and adipic acid, suberic acid, decanedioic acid, cyclohexane dicarboxylic acid, terephthalic acid (TPA), isophthalic diformazan Crystalline aromatic polyamide etc. obtained from the polycondensation reaction of the dicarboxylic acids such as acid or derivatives thereof.
Wherein, preferably nylon-6, nylon-6,6, Nylon-12 etc., more preferably Nylon-12.
As polyamide resin as described above, can enumerate Ube Industries, Ltd UBESTA (for example, 3014U, 3020U etc.), the VESTAMID (for example, L1600, L1700 etc.) of Daicel-Evonik.Ltd..
(polyolefin-based resins)
Polyolefin-based resins are the polyolefin that main chain is ethylene, propylene, 1- butylene etc., can be thermosetting property, are also possible to Thermoplasticity.
As polyolefin-based resins, for example, can enumerate polyethylene, polypropylene, polybutene, cyclic olefine resin, these The copolymer etc. of resin.
Wherein, from make thermoplastic resin material elasticity modulus it is big from the viewpoint of, preferably polyethylene, polypropylene, more Preferably polypropylene, ethylene-propylene copolymer.
As the number-average molecular weight of polyolefin-based resins, from the viewpoint of melt-moldability, number-average molecular weight is preferably 5,000~10,000,000.When lower than 5,000, there is the anxiety of the mechanical properties reduction of resin composite materials.More than 10,000,000 When, the anxiety that there is the processability of resin composite materials to lead to the problem of.According to as described above the reasons why, the number of polyolefin-based resins is equal Molecular weight is 7,000~1,000,000.The number-average molecular weight of particularly preferred polyolefin-based resins is 10,000~1,000,000. Thus, it is possible to further increase the mechanical properties and processability of resin composite materials.
As polyolefin-based resins as described above, it is, for example, possible to use the Prime Polymer Co. of commercially available product, Ltd. the Novatec PP (note of the PRIME PP (registered trademark) and Japan Polypropylene Corporation that make Volume trade mark), WINTEC (registered trademark) etc..
(polystyrene resin)
Polystyrene resin is the resin comprising polystyrene, can be thermosetting property, is also possible to thermoplasticity.Polyphenyl second Alkene system resin may include other than the polymer for the soft chain segment that more than one may be constructed polystyrene thermoplastic elastomer (TPE) Polymer is as copolymer composition.
As the number-average molecular weight of polystyrene resin, from the viewpoint of melt-moldability, number-average molecular weight is preferred It is 5,000~10,000,000.When lower than 5,000, there is the anxiety of the mechanical properties reduction of resin composite materials.More than 10,000, When 000, the anxiety that there is the processability of resin composite materials to lead to the problem of.According to as described above the reasons why, polystyrene resin Number-average molecular weight be 7,000~1,000,000.The number-average molecular weight of particularly preferred polystyrene resin is 10,000~1, 000,000.Thus, it is possible to further increase the mechanical properties and processability of resin composite materials.
As polystyrene resin as described above, it is, for example, possible to use the emerging production corporations of light out of commercially available product Toyo Styrol (registered trademark), the Daicel Polymer of XAREC (registered trademark), TOYO STYRENE Co., Ltd. Co., the Techno ABS etc. of the CEVIAN of Ltd., Techno Polymer Co., Ltd..
(polyester resin)
Thermoplastic resin material includes the polyester resin other than thermoplastic elastomer (TPE).Polyester based resin is that have ester on main chain The resin of key.
It as polyester resin, is not particularly limited, preferably includes with the hard segment in Polyester thermoplastic elastomer (TPE) The same kind of resin of polyester resin, more preferably crystalline polyester.
As crystalline polyester, aromatic polyester can be used.Aromatic polyester for example can be by aromatic dicarboxylic acid Or its ester formative derivative is formed with aliphatic diol.
As aromatic polyester, for example, polyethylene terephthalate, polybutylene terephthalate can be enumerated Ester, polystyrene terephthalate, polyethylene naphthalate, polybutylene naphthalate etc., it is preferably poly- to benzene Dioctyl phthalate butanediol ester.
As one of aromatic polyester, can enumerate by terephthalic acid (TPA) and/or dimethyl terephthalate (DMT) and Isosorbide-5-Nitrae-fourth Polybutylene terephthalate (PBT) derived from glycol is also possible to by M-phthalic acid, phthalic acid, naphthalene -2,6- bis- in turn Carboxylic acid, naphthalene -2,7- dicarboxylic acids, diphenyl -4,4 '-dicarboxylic acids, diphenoxyethanedicarboxylic acid, 5- sulfoisophthalic acid or this The dicarboxylic acid components such as ester formative derivatives of a little acid and, molecular weight are 300 glycol below (for example, ethylene glycol, 1,3- the third two Aliphatic diols, 1,4 cyclohexane dimethanol, two such as alcohol, 1,5- pentanediol, 1,6-HD, neopentyl glycol, 1,10- decanediol The ester ring types such as methylol tristane glycol, benzene dimethanol, bis- (to hydroxyl) biphenyl, bis- (p-hydroxybenzene) propane, 2,2- are bis- [4- (2- hydroxyl-oxethyl) phenyl] propane, bis- [4- (2- hydroxyl) phenyl] sulfones, 1,1- bis- [4- (2- hydroxyl-oxethyl) phenyl] Hexamethylene, 4,4 '-dihydroxy-p-terphenyl, 4,4 '-dihydroxy-are to aromatic diols such as quaterphenyls) etc. derived from polyester or By these dicarboxylic acid components and diol component it is two or more and use obtained from copolyester.Alternatively, it is also possible to will be more than 3 functions Polyfunctional carboxylic acids ingredient, multifunctional oxygen-containing sour component and multifunctional hydroxyl moieties etc. be copolymerized in the range of 5 moles of % or less.
As polyester resin as described above, commercially available product also can be used, for example, Polyplastics can be enumerated " DURANEX " of Co., Ltd. serial (for example, 2000,2002 etc.), Mitsubishi Engineering-Plastics NOVADURAN series (for example, 5010R5,5010R3-2 etc.), Toray Industries, Inc. system of Corporation " TORAYCON " serial (for example, 1401X06,1401X31 etc.) etc..
In addition, for polyester resin, from make thermoplastic resin material elasticity modulus it is big from the viewpoint of, elasticity modulus is excellent It is selected as 700MPa or more, more preferably 800MPa~3000MPa.It should be noted that the elasticity modulus of polyester resin refers to JIS The elasticity modulus of the tensile modulus of elasticity of K7113:1995 defined, the specific resin of the 7th viewpoint of the invention can for example be used The accurate universal testing machine AUTOGRAPH of Shimadzu Seisakusho Ltd.'s corporation is measured.
In addition, for the specific resin of the 7th viewpoint of the invention, from the sight for keeping the elasticity modulus of thermoplastic resin material big Point considers that elasticity modulus is preferably 100MPa or more, more preferably 100MPa~3000MPa.Further preferably 100MPa~ 2000MPa.It should be noted that the elasticity modulus of the specific resin of the 7th viewpoint of the invention refers to JIS K7113:1995 institute Defined tensile modulus of elasticity, the elasticity modulus of the specific resin of the 7th viewpoint of the invention for example can be public with Shimadzu Seisakusho Ltd. The accurate universal testing machine AUTOGRAPH of department's system is measured.
Thermoplastic resin material may include two or more resins.But it is therein it is at least one need be and thermoplastic The same kind of resin of the hard segment (spy of the 7th viewpoint of the invention that the thermoplastic elastomer (TPE) that property resin material is included has Determine resin).In addition, the specific resin of the 7th viewpoint of the invention two or more can also be included in thermoplastic resin material, but Since the thermoplastic elastomer (TPE) in thermoplastic resin material as described above is preferably one kind, the spy of the 7th viewpoint of the invention Determine resin and is preferably also one kind.
As described above, the thermoplastic elastomer (TPE) for being included as thermoplastic resin material is, it is preferable to use polyamide-based thermoplastic Property elastomer, therefore, the specific resin of the 7th viewpoint of the invention is preferably polyamide resin, more preferably polyamide-based heat Plastic resin.
In thermoplastic resin material, the amount ratio (thermoplastic of the specific resin of thermoplastic elastomer (TPE) and the 7th viewpoint of the invention Property elastomer: the specific resin of the 7th viewpoint of the invention) from the viewpoint of impact resistance, in terms of quality standard, preferably 95:5~50:50, more preferably 90:10~50:50.
In addition, in thermoplastic resin material, the content of thermoplastic elastomer (TPE) is from the property for giving full play to thermoplastic elastomer (TPE) From the viewpoint of energy, relative to the gross mass of thermoplastic resin material, preferably 40 mass %~95 mass %, more preferably 50 The mass of quality %~90 %.
In thermoplastic resin material, also can according to need containing various fillers (for example, silica, calcium carbonate, Clay), age resister, oil, plasticizer, colorant, weather resisting agent, the various additives such as reinforcement material.
The thermoplastic resin material can be by mixing the specific resin of thermoplastic elastomer (TPE) and the 7th viewpoint of the invention It closes and is added as needed various additives, then obtained with melting mixing is carried out.Thermoplastic elastomer (TPE) and of the invention The mixing ratio of the specific resin of 7 viewpoints is referring to above-mentioned ratio.The thermoplastic resin material that melting mixing obtains can be according to need Be made graininess come using.
The tensile elasticity mould of the JIS K7113:1995 defined of thermoplastic resin material as the 7th viewpoint of the invention Amount, preferably 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If polyamides The tensile modulus of elasticity of amine system thermoplastic elastomer (TPE) is 100~1000MPa, then can be while keeping the shape of tyre framework Wheel rim assembling is effectively performed.
The tensile yield strength of the JIS K7113:1995 defined of the thermoplastic resin material of 7th viewpoint of the invention is excellent It is selected as 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the stretching of thermoplastic resin material is bent Taking intensity is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield elongation of the JIS K7113:1995 defined of the thermoplastic resin material of 7th viewpoint of the invention Preferably 10% or more, more preferably 10~70%, further preferably 15~60%.If the stretching of thermoplastic resin material Yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure of the JIS K7113:1995 defined of thermoplastic resin material as the 7th viewpoint of the invention is stretched Long rate, preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% with On.If the tensile failure elongation of thermoplastic resin material is 50% or more, wheel rim assemblability can be made good, be collided It is survivable.
The load of the ISO75-2 or ASTM D648 defined of thermoplastic resin material as the 7th viewpoint of the invention is scratched Qu Wendu (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 DEG C. If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, the change in the vulcanization step such as tyre surface can be inhibited Shape.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 7th viewpoint also can have the peripheral part in tyre framework body and along the circumferential direction wind and shape At the reinforcement cord component of reinforcing cord layer.The resin material of reinforcing cord layer [constitute] of 7th viewpoint of the invention with it is above-mentioned [resin material for constituting reinforcing cord layer] of 1st viewpoint of the invention is same.
[7-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 7-1 embodiment of the tire of the invention of the 7th viewpoint.This In, the tire of 7-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, same attached drawing And component is illustrated with same symbol and attached drawing.
The carcass 17 of present embodiment using by Thermoplastic polyamide elastomer (Ube Industries, Ltd " UBESTA, XPA9055X1 ") and polyamide-based thermoplastic resin (" UBESTA, the 3014U " of Ube Industries, Ltd) The thermoplastic resin material that mixing material is constituted is formed.Carcass 17 is only by the thermoplastic of the invention of the 7th viewpoint in present embodiment Property resin material formed, but the 7th viewpoint the present invention is not limited to this composition, can also be filled with previous common rubber system Air filled tyre is same, and using at each position (sidewall 14, crown part 16, bead part 12 etc.) of carcass 17 has different characteristic Other thermoplastic resin materials.Alternatively, it is also possible to be buried in carcass 17 (for example, bead part 12, sidewall 14, crown part 16 etc.) Reinforcement material (high molecular material, metal fiber, cord, non-woven cloth, woven cloths etc.) are set in establishing, are reinforced with reinforcement material Carcass 17.
The carcass 17 of present embodiment is a pair of of the carcass for making to be formed by the thermoplastic resin material of the invention of the 7th viewpoint Made of being engaged between halfbody (tyre framework piece) 17A.For carcass halfbody 17A, by making with a bead part 12 and one Sidewall 14 and half range crown part 16 are a circular carcass half entirely through molding the same shape such as injection mouldings Body 17A faces each other face and engages and formed in equatorial plane part.It is wrapped in the thermoplastic resin material of the invention of 7th viewpoint Specific resin containing Thermoplastic polyamide elastomer and the 7th viewpoint of the invention.It is real with above-mentioned 1-1 for other aspects The tire for applying mode is same, and manufacturing method is also the same.
(effect)
In the tire 10 of present embodiment, since carcass 17 is formed by thermoplastic resin material, even if increasing heat The tan δ of the elasticity modulus of plastic resin material, thermoplastic resin material is also not easy to increase, and the rolling of tire can be inhibited to hinder Power, and then since tire construction can simplify, it is lighter than previous rubber weight.Therefore, if by the wheel of present embodiment Tire 10 is applied to automobile, then can inhibit rolling resistance and lighting, therefore can improve the automobile for using such tire Specific fuel consumption.
In addition, in the case where thermoplastic resin material includes Thermoplastic polyamide elastomer, polyamide-based thermoplasticity Elastomer is high to the adaptation for reinforcing cord 26, and the fixed performances such as heat seal strength are excellent, therefore, it is particularly possible to inhibit to reinforce Air remains in the phenomenon that reinforcing 26 surrounding of cord (air entrance) in cord rolling step.If to the closely sealed of cord 26 is reinforced Property and weldability it is high and can inhibit air and enter and reinforce cord component periphery, then can effectively inhibit defeated by when driving Enter power etc. and causes to reinforce the movement of cord 26.Even as a result, for example, in the peripheral part of tyre framework body to cover entire add The case where tire member of formation is arranged in the mode of strong cord component also can inhibit and reinforce the movement of cord component, therefore, can inhibit this Peeling-off etc. (comprising tyre framework body) between a little components, the durability of tire 10 improves.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than thermoplastic elastomer (TPE) and therefore can mention The circumferencial direction rigidity of high puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference for improving tire 10 Direction rigidity, can prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface and and thermoplastic resin material of the crown part 16 of the carcass 17 formed by thermoplastic resin material It is closely sealed, therefore can inhibit the entrance of air when manufacture, it can inhibit by input power when driving etc. and cause to reinforce cord 26 to move It is dynamic.It can inhibit as a result, and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
Reinforcing cord layer 28 includes thermoplastic resin material to reinforce cord 26 with being fixed with buffering adhesive when constituting like this The case where it is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore can further will reinforce cord 26 it is close Conjunction is fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce when driving Cord component is mobile.
In turn, in the case where reinforcing cord is all-steel cord, led to since cord 26 can will be reinforced when tire is handled It crosses heating and is easily separated recycling from thermoplastic resin material, therefore, be advantageous in terms of the recycling property of tire 10. In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many resins The rollability of tire then can be improved in material.In turn, have in face with the higher resin material of vulcanized rubber resilience in comparison modular ratio Shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In addition, due to constituting the tyre surface contacted with road surface with the rubber material for having abrasion resistence than thermoplastic resin material 30, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by having leakproofness than thermoplastic resin material The sealant 24 that constitutes of rubber material, therefore, leakproofness between tire 10 and wheel rim 20 improves.Therefore, and with wheel rim 20 It is compared with the case where thermoplastic resin material sealing, the air leakage in tire can be further suppressed.In addition, passing through setting sealing Layer 24, wheel rim installation also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 7th viewpoint the present invention is not limited to this composition, can also be with Do not heat reinforce cord 26 in the case where with the outer peripheral surface of the embedded crown part 16 for reinforcing cord 26 of hot wind generating means heating, Then it will reinforce cord 26 and be embedded in the mode of crown part 16 to be arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 7th sees in 7-1 embodiment Point the present invention is not limited to this composition, also can be set as directly heating reinforcement curtain with radiant heat (for example, infrared ray etc.) The composition of line 26.
In turn, in 7-1 embodiment, it is set as that the thermoplastic resin material melting or soft for reinforcing cord 26 will be embedded with The part changed forces cooling composition with metal 2nd roller 64, but the 7th viewpoint the present invention is not limited to this composition, Also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Force the composition cooled and solidified in the part for melting or having softened.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 7-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 7-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 7th viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
As the tire of the complete inner tube of a tyre shape, for example, being configured as shown in figure 4, can be in tire width direction There are 3 modes for being made circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, Tire 86 has: what the same resin material of tread rubber layer 87, You Yu 7-1 embodiment was formed is made the hollow of annular shape The inner tube of a tyre (tyre framework body) 88, belt (reinforcing cord) 89, wheel rim 90.It is arranged in parallel in the tire width direction of tire 86 3 inner tubes of a tyre 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 is mounted on It has on the wheel rim 90 of the recess portion engaged with the inner tube of a tyre 88.It should be noted that the not set bead core of tire 86.
More than, it enumerates embodiment and the embodiments of the present invention of the 7th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 7th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
[7-2 embodiment]
In the following, according to attached drawing to the 7-2 embodiment of the manufacturing method of the tire of the invention of the 7th viewpoint and tire into Row explanation.The tire of present embodiment is same as above-mentioned 7-1 embodiment, shows the inflation with previous common rubber system The substantially same section shape of tire.
Here, the tire of 7-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 7-2 embodiment is same as above-mentioned 7-1 embodiment, and carcass 17 is by polyamide-based thermoplastic elastic Body (" UBESTA, the XPA9055X1 " of Ube Industries, Ltd) and (the emerging production strain formula meeting in space portion of polyamide-based thermoplastic resin " UBESTA, 3014U " of society) mixing material formed.Tire 200 is as shown in Figures 5 and 6 in present embodiment, in crown Portion 16 is laminated with the reinforcing cord layer 28 that covering cord component 26B along the circumferential direction winds and constitutes (in Fig. 6 shown in dotted line).It should Reinforcing cord layer 28 constitutes the peripheral part of carcass 17, can reinforce the circumferencial direction rigidity of crown part 16.It should be noted that reinforcing The outer peripheral surface of cord ply 28 is included in the outer peripheral surface 17S of carcass 17.
In addition, covering is preferably set to the springform to form the resin material of carcass 17 with the elasticity modulus of resin material 27 In the range of 0.1 times~10 times of amount.It with the elasticity modulus of resin material 27 is the thermoplastic resin to form carcass 17 in covering In 10 times of situations below of the elasticity modulus of material, crown part will not become really up to the mark, be easy to carry out wheel rim assembling.In addition, Covering is to form the thermoplastic resin material of carcass 17 0.1 times or more of elasticity modulus with the elasticity modulus of resin material 27 In the case of, the resin for constituting reinforcing cord layer 28 will not be excessively soft, and belt inplane shear excellent rigidity, steering force improve.It needs Illustrate, in present embodiment, as covering resin material 27, uses material same as thermoplastic resin material (this It is Thermoplastic polyamide elastomer (" the UBESTA XPA9055X1 " of Ube Industries, Ltd) and poly- in embodiment The mixing material of amide based thermoplastic resin (" UBESTA, the 3014U " of Ube Industries, Ltd)).For other aspect, Same as the tire of above-mentioned 1-2 embodiment, manufacturing method is also the same.
(effect)
In the tire 200 of present embodiment, since carcass 17 is formed by thermoplastic resin material, even if increasing The tan δ of the elasticity modulus of thermoplastic resin material, thermoplastic resin material is also not easy to increase, and can inhibit the rolling of tire Resistance.And then due to can simplify tire construction, it is lighter than previous rubber weight.Therefore, the tire of present embodiment 200 can be with lighting, therefore can improve the specific fuel consumption of the automobile using such tire.
In addition, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord is all-steel cord, due to that cord component 26A can be led to when tire is handled It crosses heating and is easily separated recycling from covering cord component 26B, be advantageous in terms of the recycling property of tire 200 therefore 's.In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many The rollability of tire then can be improved in resin material.In turn, have with the higher resin material of vulcanized rubber resilience in comparison modular ratio Inplane shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 7th viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 7-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming the structure of carcass 17 At, but the 7th viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 7-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 7th viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape (such as shape shown in Fig. 4).
In 7-2 embodiment, buffering adhesive 29, but the present invention of the 7th viewpoint are configured between carcass 17 and tyre surface 30 It is not limited to this, also can be set as the composition that buffering adhesive 29 is not configured.
In addition, be set as covering the composition of cord component 26B to 16 spirally winding of crown part in 7-2 embodiment, But the present invention is not limited thereto for the 7th viewpoint, also can be set as to cover cord component 26B in the discontinuous side of width direction The composition of formula winding.
In 7-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as thermoplastic Property material, by heat the covering with resin material 27 formed melting or soft state will cover the 26B welding of cord component exist The composition of the outer peripheral surface of crown part 16, but the 7th viewpoint the present invention is not limited to this composition, also can be set as not heating Covering cord component 26B is bonded in in the case where covering resin material 27 with bonding agent etc. the structure of the outer peripheral surface of crown part 16 At.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 7-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 7th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 7th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
More than, although with 7-1 embodiment and 7-2 embodiment to the concrete mode of the invention of the 7th viewpoint into Gone explanation, but the 7th viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 8th viewpoint "
In the following, being illustrated to the resin material of the composition tyre framework body in the present invention of the 8th viewpoint, then using figure The specific embodiment of the tire of the invention of 8th viewpoint is illustrated.
[resin material]
The tire of the invention of 8th viewpoint is the wheel at least with the cricoid tyre framework body formed by resin material Tire, the resin material include at least: the glass transition temperature other than thermoplastic elastomer (TPE) and the thermoplastic elastomer (TPE) is 20 DEG C or less, the big resin of the elasticity modulus of thermoplastic elastomer (TPE) described in modular ratio.
As the resin material for forming the cricoid tyre framework body of tire is constituted, by applying thermoplastic elastomer (TPE) and heat Glass transition temperature other than thermoplastic elastic is the group of the resin (specific resin of the 8th viewpoint of the invention) of aforementioned range It closes, the elasticity modulus of preferred scope can be obtained, and the rolling resistance of tire can be made to be not easy to increase.
In the following, being illustrated to the specific resin of thermoplastic elastomer (TPE) and the 8th viewpoint of the invention.
(thermoplastic elastomer (TPE))
So-called " thermoplastic elastomer (TPE) ", as described above, being the resin material in molecule with hard segment and soft chain segment, in detail For, it is flexible high-molecular compound, refers to and constituted crystallinity by having and the high hard segment of fusing point or passed through object Rationality assembles the polymer to form the hard segment of pseudo- crosslinking and constitutes gathering for amorphism and the low soft chain segment of glass transition temperature Close the resin material that the copolymer of object is formed.It should be noted that in thermoplastic elastomer (TPE), not comprising previous natural rubber The vulcanized rubbers such as glue, synthetic rubber.
As thermoplastic elastomer (TPE), for example, Thermoplastic polyamide elastomer, Polyester thermoplastic elastic can be enumerated Body, polyolefin thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE) etc..
(Thermoplastic polyamide elastomer)
" Thermoplastic polyamide elastomer " is flexible high-molecular compound, is to constitute crystallinity and molten by having The copolymer shape of the polymer of the polymer of the high hard segment of the point soft chain segment low with composition amorphism and glass transition temperature At resin material, and constitute hard segment polymer main chain on have amido bond (- CONH-).
As the crystalline polyamide for forming hard segment, can enumerate through polycaprolactam (nylon-6), poly- ω- Aminoheptylic acid (nylon -7), poly- omega-amino n-nonanoic acid (nylon-9), nylon 11 (nylon-11), poly- lauryl lactan (Buddhist nun Imperial -12), polyethyene diamine adipamide (nylon -2,6), poly hexamethylene adipamide 1,4- butanediamine (nylon -4,6), poly hexamethylene adipamide 1,6- Hexamethylene diamine (nylon-6,6), poly- decanedioyl 1,6- hexamethylene diamine (nylon-6,10), poly- lauroyl diamines 1,6- hexamethylene diamine (nylon-6, 12), the aliphatic polyamides such as poly hexamethylene adipamide 1,8- octamethylenediamine (nylon -8,6), poly hexamethylene adipamide 1,10- decamethylene diamine (nylon -10,8) The aromatic diamines such as amine, m-xylene diamine, p dimethylamine and adipic acid, suberic acid, decanedioic acid, cyclohexane dicarboxylic acid, to benzene Crystalline aromatic polyamide etc. obtained from the polycondensation reaction of the dicarboxylic acids such as dioctyl phthalate, M-phthalic acid or derivatives thereof.
" Thermoplastic polyamide elastomer " in present embodiment can be used same as the present invention of above-mentioned 1st viewpoint Thermoplastic polyamide elastomer.
(polyolefin thermoplastic elastomer (TPE))
So-called " polyolefin thermoplastic elastomer (TPE) " can enumerate at least polyolefin and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, the polyolefin or other polyolefin) constitute amorphism and the low soft chain of glass transition temperature The material of section.As the polyolefin of the hard segment is formed, for example, polyethylene can be enumerated, polypropylene, isotactic polypropylene, gathered Butylene etc.." polyolefin thermoplastic elastomer (TPE) " in present embodiment is identical as the present invention in above-mentioned 2nd viewpoint.
(polyurethane series thermoplastic elastomer (TPE))
" polyurethane series thermoplastic elastomer (TPE) " is flexible high-molecular compound, is to be constituted by having by physical The polymer of the polymer of the hard segment of the pseudo- crosslinking of the aggregation formation soft chain segment low with composition amorphism and glass transition temperature Copolymer formed resin material, and constitute hard segment polymer main chain on have urethane bond.This embodiment party " polyurethane series thermoplastic elastomer (TPE) " in formula is identical as the present invention in above-mentioned 2nd viewpoint.
(polystyrene thermoplastic elastomer (TPE))
For polystyrene thermoplastic elastomer (TPE), at least polystyrene can be enumerated and constitute hard segment, other polymer (for example, polybutadiene, polyisoprene, polyethylene, hydrogenated butadiene polymer, hydrogenated polyisoprene etc.) constitutes amorphism and glass The material of the low soft chain segment of glass transition temperature.Wherein, preferably nylon-6, nylon-6,6, Nylon-12 etc., more preferably Buddhist nun Dragon -12." polystyrene thermoplastic elastomer (TPE) " in present embodiment is identical as the present invention in above-mentioned 2nd viewpoint.
(Polyester thermoplastic elastomer (TPE))
For the Polyester thermoplastic elastomer (TPE), at least polyester can be enumerated and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, polyester or polyethers etc.) constitute the material of amorphism and the low soft chain segment of glass transition temperature.This " Polyester thermoplastic elastomer (TPE) " in embodiment is identical as the present invention in above-mentioned 2nd viewpoint.
Resin material may include two or more thermoplastic elastomer (TPE)s, but use the tire of resin material formation from control From the viewpoint of tyre performance, thermoplastic elastomer (TPE) is preferably one kind.
In thermoplastic elastomer (TPE) described above, it is preferable to use selected from Thermoplastic polyamide elastomer, Polyester heat At least one of thermoplastic elastic, polystyrene thermoplastic elastomer (TPE) and polyurethane series thermoplastic elastomer (TPE), and then from tool Tensile modulus of elasticity, tensile strength and breaking strain are excellent while having heat resistance, can letter compared with previous rubber system tire Change tire structure, as a result can be achieved tire lighting from the viewpoint of, preferably Thermoplastic polyamide elastomer or Polyester thermoplastic elastomer (TPE).
It should be noted that for the glass transition temperature (Tg) of thermoplastic elastomer (TPE), in order to reduce to rolling resistance Influence, control 30 DEG C~50 DEG C of tan δ, preferably 30 DEG C or less or 50 DEG C or more, and then more preferably 25 DEG C or less Or 70 DEG C or more.The glass transition temperature can by in the specific resin of aftermentioned 8th viewpoint of the invention The same method of glass transition temperature is measured.
In addition, for the elasticity modulus of thermoplastic elastomer (TPE), due to adding the specific resin elasticity of the 8th viewpoint of the invention Modulus can rise, therefore the elasticity modulus preferably than the specific resin of the 8th viewpoint of the invention is low, be 5MPa~700MPa, into And more preferably 10MPa~500MPa.The elasticity modulus refers to the tensile modulus of elasticity of JIS K7113:1995 defined, example Such as, the accurate universal testing machine AUTOGRAPH that Shimadzu Seisakusho Ltd.'s corporation can be used is measured.
In addition, the tan δ of the thermoplastic elastomer (TPE) for the 8th viewpoint of the invention, in order to control 30 DEG C~50 DEG C of tan δ, preferably 0~0.1, and then more preferably 0~0.07.The ARES of Rheometric corporation can be used for example in the tan δ III is measured under conditions of 30 DEG C, 20Hz, shear strain 1%.
(specific resin of the 8th viewpoint of the invention)
It is 20 DEG C or less, elasticity modulus comprising the glass transition temperature other than thermoplastic elastomer (TPE) in resin material The resin (specific resin of of the invention 8th viewpoint) bigger than the elasticity modulus of the thermoplastic elastomer (TPE).
It should be noted that the resin in the present invention of the 8th viewpoint refers to thermoplasticity or heat cured resin, do not wrap Containing vulcanized rubbers such as previous natural rubber, synthetic rubber.
As the glass transition temperature (Tg), further preferably 15 DEG C hereinafter, particularly preferably 10 DEG C or less.It needs It is noted that lower limit value is not particularly limited, preferably -200 DEG C or more, particularly preferably -150 DEG C or more.
By the way that institute is added for the specific resin of the upper limit value the 8th viewpoint of the invention below in glass transition temperature It states in thermoplastic elastomer (TPE) and uses, can make resin material that there is required elasticity modulus and control tan δ in low water It is flat.As a result, while preferred elasticity modulus can be obtained, the rolling resistance of tire may be implemented in the present invention of the 8th viewpoint The reduction of power.
Here, the glass transition temperature of the specific resin of the 8th viewpoint of the invention can be by dynamic loss (tan δ) temperature dependency measures.It is, for example, possible to use the ARES III of Rheometric corporation, in 10Hz, shear strain 0.2% Under conditions of be measured.Or can with differential scanning calorimeter (Differential scanning calorimetry: DSC it) is measured.
As the specific resin of the 8th viewpoint of the invention, it is, for example, possible to use aftermentioned as not acid-modified Meet in the resin that the example of resin (other resins) is enumerated the glass transition temperature (Tg) and with thermoplastic elastomer (TPE) The resin of the condition of the relationship of elasticity modulus or acid modified resin as shown below.
It should be noted that the specific resin of the 8th viewpoint of the invention is more preferably acid modified resin." acid is modified Resin " is that resin-bonded is instigated to have tree made of the unsaturated compounds of acidic-groups such as carboxylic acid group, sulfate, phosphate Rouge.For example, can enumerate use unsaturated carboxylic acid (usually maleic anhydride) as with acidic-group unsaturated chemical combination When object, make the unsaturated bond position of olefin-based resin bonding (for example, graft polymerization) unsaturated carboxylic acid.
Using acid modified resin, resin material has island structure, and the island structure has by thermoplastic Property the marine facies that constitute of the elastomer and island phase that is made of acid modified resin.If the interaction of marine facies and island phase phase interface Weak, then the mobility of resin material increases, and injection moldability is excellent.Since the intramolecular of acid modified resin has sour modification portion Position, it is therefore, strong with the interaction of thermoplastic elastomer (TPE) compared with not acid-modified resin.
From the viewpoint of inhibiting thermoplastic elastomer (TPE) deterioration, acid modified resin preferably has the carboxylic acid as weak acid group The compound of base, for example, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, iso-crotonic acid, maleic acid etc. can be enumerated.
As acid modified resin, for example, acid-modified polyolefin resin etc. can be enumerated.Wherein, preferably acid is modified poly- second Alkene, sour modified polypropene, acid-modified ethylene-propylene copolymer, ethylene vinyl acetate.
As acid modified polyolefin, for example, can enumerate ADMERQF551, QE060 of Mitsui Chemicals, Inc.'s system, LB548, NE827 and QB550 etc..
The acid value of the acid modified resin is more than 0mg (CH3ONa)/g.
Acid value is with sodium methoxide (CH3Used sodium methoxide when ONa) to each acid modified resin 1 (g) progress acid-base titration (CH3ONa the form of quality (mg)) measures.
In island structure, there are the mutually smaller tendencies in the island the acid value Yue Gao, and there are inclining for acid value Yue Di island Xiang Yue great To.By the inclusion of acid modified resin, island phase micro disperse is in thermoplastic elastomer (TPE).
It should be noted that the island phase micro disperse of acid modified resin can be by using SEM (sweep type electricity in resin material Sub- microscope, scanning electron microscope) photo observe to confirm.
It should be noted that the elasticity modulus of the specific resin for the 8th viewpoint of the invention, in order to make springform Amount rises, preferably higher than the elasticity modulus of thermoplastic elastomer (TPE), is 100MPa~3000MPa, and then more preferably 300MPa~ 2000MPa.The elasticity modulus refers to the tensile modulus of elasticity of JIS K7113:1995 defined, can be according to the thermoplasticity Method in elastomer is measured.
In addition, the tan δ of the specific resin for the 8th viewpoint of the invention, in order to reduce tan δ, the tan δ of resin material Peak be preferably -150 DEG C~20 DEG C, and then more preferably -150 DEG C~15 DEG C.The tan δ can be according to the thermoplastic elastomehc Method in property body is measured.
It should be noted that also may include the specific of two or more 8th viewpoints of the invention in resin material Resin.
(not acid-modified resin (other resins))
In resin material, include specific resin of the acid modified resin as the 8th viewpoint of the invention the case where Under, it can also be in turn comprising the not acid-modified resin (other resins) other than thermoplastic elastomer (TPE).
In addition, not including specific resin of the acid modified resin as the 8th viewpoint of the invention in resin material In the case where, also may include not acid-modified resin, (other resins/wherein meet the spy of the 8th viewpoint of the invention Determine the resin of the important document of resin) specific resin of 8th viewpoint of the invention as this.It should be noted that in the thermoplasticity In the case that elastomer is polystyrene thermoplastic elastomer (TPE), due to not including polarity in polystyrene thermoplastic elastic body Group, it is therefore preferable that using not acid-modified resin as the specific resin of the 8th viewpoint of the invention.
Not acid-modified resin refers to that its acid value is the resin of 0mg/g.
It should be noted that the resin in the present invention of the 8th viewpoint refers to thermoplasticity or heat cured resin, do not wrap Containing vulcanized rubbers such as previous natural rubber, synthetic rubber.
Contain the certain tree of thermoplastic elastomer (TPE), acid-modified the 8th viewpoint of the invention by resin material like this The drawing such as the tensile elasticity as tyre performance, breaking strength can be improved in rouge and not acid-modified resin (other resins) Stretch characteristic.
As other resins, can enumerate such as polyolefin resin.Wherein, can enumerate polypropylene, polyethylene, Ethylene-propylene copolymer etc., especially from the viewpoint of improving the tensile properties such as tensile elasticity, breaking strength, preferably poly- third Alkene, ethylene-propylene copolymer.
As polypropylene, ethylene-propylene copolymer, for example, the J- of Prime Polymer Co., Ltd. can be enumerated 700GP (homopolymer), JP-2000GP (homopolymer), J-466HP (block polymer), J-106MG (homopolymer), J-226T (nothing Advise polymer), the Novatec EC9EV (block polymer) of Japan Polypropylene Corporation, WintecWFW4 (atactic polymer) etc..
In addition, for the tan δ of other resins, in order to reduce the peak of tan δ, the tan δ of resin material be preferably -150 DEG C~ 20 DEG C, and then more preferably -150 DEG C~15 DEG C.The tan δ can be surveyed according to the method in the thermoplastic elastomer (TPE) It is fixed.
It should be noted that containing the spy of thermoplastic elastomer (TPE), acid-modified the 8th viewpoint of the invention in resin material In the case where determining resin and not acid-modified resin (other resins), the tan δ of other resins is not particularly limited in aforementioned Range.
In addition, the elasticity modulus of the specific resin for the 8th viewpoint of the invention, in order to rise elasticity modulus, It is 100MPa~3000MPa it is preferred that higher than the elasticity modulus of thermoplastic elastomer (TPE), and then more preferably 300MPa~2000MPa. The elasticity modulus refers to the tensile modulus of elasticity of JIS K7113:1995 defined, can be according in the thermoplastic elastomer (TPE) Method be measured.
It should be noted that also may include two or more other resins in resin material.
(combination and ratio)
In the resin material of the invention of 8th viewpoint, from the viewpoint of the sea using thermoplastic elastomer (TPE) as island structure, Ratio (the thermoplastic elastomehc of the total amount of specific resin and other resins relative to the 8th viewpoint thermoplastic elastomer (TPE), of the invention Property body: the specific resin of the 8th viewpoint of the invention+other resins (mass ratio)) it is preferably 95:5~55:45, more preferably 95: 5~60:40.
In addition, contain the 8th viewpoint of the invention specific resin and other resin the two in the case where, from thermoplastic Property elastomer there is interaction from the viewpoint of, the ratio of specific resin relative to the 8th viewpoint of the invention, other resin Rate (specific resin of the 8th viewpoint of the invention: other resins (mass ratio)) is preferably 100:0~5:95, more preferably 100:0 ~10:90.
In turn, the specific resin for thermoplastic elastomer (TPE) in resin material and the 8th viewpoint of the invention and other resins Total content, from the viewpoint of the performance for giving full play to thermoplastic elastomer (TPE), the gross mass preferably with respect to resin material is 50 mass of mass %~100 %.
It should be noted that as thermoplastic elastomer (TPE), the of the invention the 8th in the resin material of the invention of the 8th viewpoint The combination of the specific resin of viewpoint and other resins, combination preferably below.
The combination of Thermoplastic polyamide elastomer and acid-modified polyolefin resin
Thermoplastic polyamide elastomer, acid-modified polyolefin resin and polyacrylic combination
The combination of Thermoplastic polyamide elastomer, acid-modified polyolefin resin and ethylene-propylene copolymer
The combination of Polyester thermoplastic elastomer (TPE), acid-modified polyolefin resin
Polyester thermoplastic elastomer (TPE), acid-modified polyolefin resin and polyacrylic combination
The combination of Polyester thermoplastic elastomer (TPE), acid-modified polyolefin resin and ethylene-propylene copolymer
The combination of polystyrene thermoplastic elastomer (TPE) and polyolefin resin
(physical property of other compositions and resin material)
In resin material, also can according to need containing various fillers (for example, silica, calcium carbonate, clay), The various additives such as age resister, oil, plasticizer, colorant, weather resisting agent, reinforcement material.
Resin material can by by the specific resin of thermoplastic elastomer (TPE) and the 8th viewpoint of the invention mix, and according to It needs to add other resins, various additives, carries out melting mixing then to obtain.Thermoplastic elastomer (TPE) and the of the invention the 8th The mixing ratio of the specific resin of viewpoint is referring to above-mentioned ratio.The resin material that melting mixing obtains, which can according to need, to be made It is granular to use.
The tensile modulus of elasticity of the JIS K7113:1995 defined of resin material as the 8th viewpoint of the invention, it is excellent It is selected as 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If resin material Tensile modulus of elasticity is 100~1000MPa, then wheel rim group can be effectively performed while keeping the shape of tyre framework Dress.
The tensile yield strength of the JIS K7113:1995 defined of the resin material of 8th viewpoint of the invention is preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the tensile yield strength of resin material is 5MPa or more can then be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield elongation of the JIS K7113:1995 defined of the resin material of 8th viewpoint of the invention is preferably 10% or more, more preferably 10~70%, further preferably 15~60%.If the tensile yield elongation of resin material is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure elongation of the JIS K7113:1995 defined of resin material as the 8th viewpoint of the invention, Preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% or more.Such as The tensile failure elongation of fruit resin material is 50% or more, then wheel rim assemblability can be made good, be collided survivable.
The temperature of deflection under load of the ISO75-2 or ASTM D648 defined of resin material as the 8th viewpoint of the invention (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 DEG C.If tree The temperature of deflection under load of rouge material is 50 DEG C or more, then can inhibit the deformation in the vulcanization step such as tyre surface.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 8th viewpoint also can have the peripheral part in tyre framework body and along the circumferential direction wind and shape At the reinforcement cord component of reinforcing cord layer.
[structure of [resin material for constituting reinforcing cord layer] of 8th viewpoint of the invention with the 1st viewpoint of aforementioned present invention At the resin material of reinforcing cord layer] it is same.
[8-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 8-1 embodiment of the tire of the invention of the 8th viewpoint.
Here, the tire of 8-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The carcass 17 of present embodiment by containing Thermoplastic polyamide elastomer (Ube Industries, Ltd's system, UBESTA, XPA9048) and acid modified polyolefin (Mitsui Chemicals, Inc.'s system, ADMERQE060,4 DEG C of glass transition temperature) Resin material (below in the explanation of 8-1 embodiment referred to as " resin material ") is formed.Carcass 17 in present embodiment Formed by single resin material, but the 8th viewpoint the present invention is not limited to this composition, can also be with previous common rubber The pneumatic tire of system is same, different using having at each position (sidewall 14, crown part 16, bead part 12 etc.) of carcass 17 The thermoplastic resin material of feature.For other aspects, same as the tire of above-mentioned 1-1 embodiment, manufacturing method is also same Sample.
(effect)
It also include glass other than comprising thermoplastic elastomer (TPE) since carcass 17 is utilized in the tire 10 of present embodiment Glass transition temperature is that the resin material of the specific resin of the 8th viewpoint of the invention of aforementioned range is formed, and therefore, carcass 17 can It obtains preferred elasticity modulus and the rolling resistance of tire can be inhibited to increase.
In addition, the resin material is high to the adaptation for reinforcing cord 26, and the fixed performances such as heat seal strength are excellent.Cause This, can inhibit the phenomenon that reinforce air in cord rolling step and remain in reinforcement 26 surrounding of cord (air entrance).If right Adaptation and the weldability for reinforcing cord 26 are high and can inhibit air and enter and reinforce cord component periphery, then can be effectively Inhibit by input power when driving etc. and causes to reinforce cord 26 mobile.Even as a result, for example, in the outer of tyre framework body The case where tire member of formation is arranged in a manner of covering entire reinforcement cord component in circumference, also can inhibit and reinforces the shifting of cord component It is dynamic, therefore, it can inhibit, the durability raising of tire 10 peeling-off etc. (comprising tyre framework body) between these components.
In addition, in the tire 10 of present embodiment, due to the crown part 16 in the carcass 17 formed by resin material Outer peripheral surface is along the circumferential direction spirally wound with high reinforcement cord 26 rigidly than resin material, therefore puncture, resistance to cuts The circumferencial direction of wound property and tire 10 rigidly improves.It should be noted that by the circumferencial direction rigidity for improving tire 10, it can Prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface of the crown part 16 of the carcass 17 formed by resin material and closely sealed with resin material, therefore can press down Air when system manufacture enters, and can inhibit by input power when driving etc. and causes to reinforce cord 26 mobile.It can inhibit as a result, Reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
In addition, due to constituting the tyre surface 30 contacted with road surface with the rubber material for having abrasion resistence than resin material, The abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped with the rubber by there is leakproofness than resin material in the part of bead part 12 contacted with wheel rim 20 The sealant 24 that material is constituted, therefore, the leakproofness between tire 10 and wheel rim 20 improve.Therefore, and with wheel rim 20 and resin The case where material seals is compared, and the air leakage in tire can be further suppressed.In addition, by setting sealant 24, wheel rim peace Dress property also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point resin material melting or softening composition, but the 8th viewpoint the present invention is not limited to this composition, can also be to be not added Heat is reinforced being buried in the case where cord 26 with the heating of hot wind generating means and reinforces the outer peripheral surface of the crown part 16 of cord 26, then will Reinforce cord 26 and is embedded in the mode of crown part 16 to be arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 8th sees in 8-1 embodiment Point the present invention is not limited to this composition, also can be set as directly heating reinforcement curtain with radiant heat (for example, infrared ray etc.) The composition of line 26.Alternatively, it is also possible to make the heat source of hot wind generating means, such as infrared ray concentrate on the embedded portion for reinforcing cord 26 Point, make embedded partial melting or softening.
In turn, in 8-1 embodiment, it is set as that the thermoplastic resin material melting or soft for reinforcing cord 26 will be embedded with The part changed forces cooling composition with metal 2nd roller 64, but the 8th viewpoint the present invention is not limited to this composition, Also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Force the composition cooled and solidified in the part for melting or having softened.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 8-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
The tire 10 of 8-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 8th viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
As the tire of the complete inner tube of a tyre shape, as shown in figure 4, can be in tire width direction configured with 3 It is made the mode of circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, tire 86 Have: what the same resin material of tread rubber layer 87, You Yu 8-1 embodiment was formed is made circular hollow inner tube (tyre framework body) 88, belt (reinforcing cord) 89, wheel rim 90.3 are arranged in parallel in the tire width direction of tire 86 The inner tube of a tyre 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 is mounted on and has On the wheel rim 90 of the recess portion engaged with the inner tube of a tyre 88.It should be noted that the not set bead core of tire 86.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
More than, it enumerates embodiment and the embodiments of the present invention of the 8th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 8th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
[8-2 embodiment]
In the following, according to attached drawing to the 8-2 embodiment of the manufacturing method of the tire of the invention of the 8th viewpoint and tire into Row explanation.The tire of present embodiment is same as above-mentioned 8-1 embodiment, shows the inflation with previous common rubber system The substantially same section shape of tire.
Here, the tire of 8-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 8-2 embodiment is same as above-mentioned 8-1 embodiment, and carcass 17 is by containing polyamide-based thermoplasticity Elastomer (Ube Industries, Ltd's system, UBESTA, XPA9048) and acid modified polyolefin (Mitsui Chemicals, Inc.'s system, 4 DEG C of ADMERQE060, glass transition temperature) resin material (below in the explanation of 8-2 embodiment referred to as " tree Rouge material ") it is formed.For other aspects, same as the tire of above-mentioned 1-2 embodiment, manufacturing method is also the same.
(effect)
In the tire 200 of present embodiment, since carcass 17 also includes using other than comprising thermoplastic elastomer (TPE) Glass transition temperature is that the resin material of the specific resin of the 8th viewpoint of the invention of aforementioned range is formed, therefore, carcass 17 Preferred elasticity modulus can be obtained and the rolling resistance of tire can be inhibited to increase.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive 29.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 8th viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 8-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming the structure of carcass 17 At, but the 8th viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 8-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 8th viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape.
In 8-2 embodiment, buffering adhesive 29, but the present invention of the 8th viewpoint are configured between carcass 17 and tyre surface 30 It is not limited to this, also can be set as the composition that buffering adhesive 29 is not configured.
In addition, be set as covering the composition of cord component 26B to 16 spirally winding of crown part in 8-2 embodiment, But the present invention is not limited thereto for the 8th viewpoint, also can be set as to cover cord component 26B in the discontinuous side of width direction The composition of formula winding.
In 8-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as thermoplastic Property material, by heat the covering with resin material 27 formed melting or soft state will cover the 26B welding of cord component exist The composition of the outer peripheral surface of crown part 16, but the 8th viewpoint the present invention is not limited to this composition, also can be set as not heating Covering cord component 26B is bonded in in the case where covering resin material 27 with bonding agent etc. the structure of the outer peripheral surface of crown part 16 At.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 8-1 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 8th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 8th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
More than, although with 8-1 embodiment and 8-2 embodiment to the concrete mode of the invention of the 8th viewpoint into Gone explanation, but the 8th viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 9th viewpoint "
In the following, being illustrated to the resin material of the tyre framework body in the present invention for constituting the 9th viewpoint, then using figure The specific embodiment of the tire of the invention of 9th viewpoint is illustrated.
[resin material]
The tire of the invention of 9th viewpoint is the wheel at least with the cricoid tyre framework body formed by resin material Tire, the resin material include at least: the glass transition temperature other than the 1st thermoplastic elastomer (TPE), the 1st thermoplastic elastomer (TPE) Degree for other than 20 DEG C of resins (specific resin of the 9th viewpoint of the invention) below, the 1st thermoplastic elastomer (TPE) have with 2nd thermoplastic elastomer (TPE) of the same kind of hard segment of resin.It is preferred that the resin (the 9th viewpoint of the invention it is specific Resin) the 1st thermoplastic elastomer (TPE) of modular ratio elasticity modulus it is big.Additionally, it is preferred that the springform of the 2nd thermoplastic elastomer (TPE) It measures smaller than the elasticity modulus of the resin.
As the resin material for forming the cricoid tyre framework body of tire is constituted, by addition to containing the 1st thermoplastic elastomehc Property body and the 9th viewpoint of the invention specific resin other than also contain aforementioned composition the 2nd thermoplastic elastomer (TPE), tire can be improved Impact resistance.
In the following, the specific resin and the 2nd thermoplastic elastomer (TPE) to the 1st thermoplastic elastomer (TPE), the 9th viewpoint of the invention carry out Explanation.
(the 1st thermoplastic elastomer (TPE))
" thermoplastic elastomer (TPE) " as described above, be the resin material in molecule with hard segment and soft chain segment, specifically, It is flexible high-molecular compound, is to constitute crystallinity and the high hard segment of fusing point or by physical aggregation by having The polymer of the polymer of the hard segment of the pseudo- crosslinking of the formation soft chain segment low with composition amorphism and glass transition temperature is total to The resin material that polymers is formed.It should be noted that may include previous natural rubber, synthesis rubber in the 1st thermoplastic elastomer (TPE) The vulcanized rubbers such as glue.
As the 1st thermoplastic elastomer (TPE), for example, Thermoplastic polyamide elastomer, Polyester thermoplastic elastomehc can be enumerated Property body, polyurethane series thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE) etc..
(Thermoplastic polyamide elastomer)
" Thermoplastic polyamide elastomer " is flexible high-molecular compound, is to constitute crystallinity and molten by having The copolymer shape of the polymer of the polymer of the high hard segment of the point soft chain segment low with composition amorphism and glass transition temperature At resin material, and constitute hard segment polymer main chain on have amido bond (- CONH-).
As the crystalline polyamide for constituting hard segment, can enumerate through polycaprolactam (nylon-6), poly- ω- Aminoheptylic acid (nylon -7), poly- omega-amino n-nonanoic acid (nylon-9), nylon 11 (nylon-11), poly- lauryl lactan (Buddhist nun Imperial -12), polyethyene diamine adipamide (nylon -2,6), poly hexamethylene adipamide 1,4- butanediamine (nylon -4,6), poly hexamethylene adipamide 1,6- Hexamethylene diamine (nylon-6,6), poly- decanedioyl 1,6- hexamethylene diamine (nylon-6,10), poly- lauroyl diamines 1,6- hexamethylene diamine (nylon-6, 12), the aliphatic polyamides such as poly hexamethylene adipamide 1,8- octamethylenediamine (nylon -8,6), poly hexamethylene adipamide 1,10- decamethylene diamine (nylon -10,8) The aromatic diamines such as amine, m-xylene diamine, p dimethylamine and adipic acid, suberic acid, decanedioic acid, cyclohexane dicarboxylic acid, to benzene Crystalline aromatic polyamide etc. obtained from the polycondensation reaction of the dicarboxylic acids such as dioctyl phthalate, M-phthalic acid or derivatives thereof.
Wherein, preferably nylon-6, nylon-6,6, Nylon-12 etc., more preferably Nylon-12.In present embodiment The same polyamide-based thermoplastic elastic with the present invention of above-mentioned 1st viewpoint can be used in " Thermoplastic polyamide elastomer " Body.
(polyurethane series thermoplastic elastomer (TPE))
" polyurethane series thermoplastic elastomer (TPE) " is flexible high-molecular compound, is to be constituted by having by physical The polymer of the polymer of the hard segment of the pseudo- crosslinking of the aggregation formation soft chain segment low with composition amorphism and glass transition temperature Copolymer formed resin material, and constitute hard segment polymer main chain on have urethane bond.This embodiment party " polyurethane series thermoplastic elastomer (TPE) " in formula is identical as the present invention in above-mentioned 2nd viewpoint.
(polystyrene thermoplastic elastomer (TPE))
" polystyrene thermoplastic elastomer (TPE) " is flexible high-molecular compound, can enumerate at least polystyrene Hard segment, other polymer are constituted (for example, polybutadiene, polyisoprene, polyethylene, hydrogenated butadiene polymer, the poly- isoamyl of hydrogenation Diene etc.) constitute the material of amorphism and the low soft chain segment of glass transition temperature." polystyrene heat in present embodiment Thermoplastic elastic " is identical as the present invention in above-mentioned 2nd viewpoint.
(Polyester thermoplastic elastomer (TPE))
For the Polyester thermoplastic elastomer (TPE), at least polyester can be enumerated and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, polyester or polyethers etc.) constitute the material of amorphism and the low soft chain segment of glass transition temperature.This " Polyester thermoplastic elastomer (TPE) " in embodiment is identical as the present invention in above-mentioned 2nd viewpoint.
The resin material of 9th viewpoint of the invention also may include two or more 1st thermoplastic elastomer (TPE)s, but make from control From the viewpoint of tyre performance with the tire of resin material formation, the 1st thermoplastic elastomer (TPE) is preferably one kind.
, it is preferable to use being selected from Thermoplastic polyamide elastomer, Polyester in the 1st thermoplastic elastomer (TPE) described above At least one of thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE) and polystyrene thermoplastic elastomer (TPE), Jin Ercong Tensile modulus of elasticity, tensile strength and breaking strain are excellent while with heat resistance, can compared with previous rubber system tire Simplify tire structure, as a result can be achieved tire lighting from the viewpoint of, preferably Thermoplastic polyamide elastomer or Person's Polyester thermoplastic elastomer (TPE).
It should be noted that being hindered to reduce rolling for the glass transition temperature (Tg) of the 1st thermoplastic elastomer (TPE) The influence of power controls 30 DEG C~50 DEG C of tan δ, preferably 30 DEG C or less or 50 DEG C or more, and then more preferably 25 DEG C with It is lower or 70 DEG C or more.The glass transition temperature can by in the specific resin of aftermentioned 9th viewpoint of the invention The same method of glass transition temperature be measured.
In addition, for the elasticity modulus of the 1st thermoplastic elastomer (TPE), due to adding the specific resin of the 9th viewpoint of the invention Elasticity modulus can rise, therefore the elasticity modulus preferably than the specific resin of the 9th viewpoint of the invention is low, be 5MPa~ 700MPa, and then more preferably 10MPa~500MPa.The elasticity modulus refers to the stretching bullet of JIS K7113:1995 defined Property modulus, it is, for example, possible to use the accurate universal testing machine AUTOGRAPH of Shimadzu Seisakusho Ltd.'s corporation to be measured.
In addition, for the tan δ of the 1st thermoplastic elastomer (TPE), in order to control 30 DEG C~50 DEG C of tan δ, preferably 0~0.1, And then more preferably 0~0.07.The tan δ can be used for example the ARES III of Rheometric corporation 30 DEG C, 20Hz is measured under conditions of shear strain 1%.
(specific resin of the 9th viewpoint of the invention)
It comprising the glass transition temperature other than the 1st thermoplastic elastomer (TPE) is 20 DEG C of resins (these below in resin material The specific resin of 9th viewpoint of invention).
It should be noted that the resin in the present invention of the 9th viewpoint refers to thermoplasticity or heat cured resin, do not wrap Containing vulcanized rubbers such as previous natural rubber, synthetic rubber.
As the glass transition temperature (Tg), and then preferably 15 DEG C hereinafter, particularly preferably 10 DEG C or less.It needs Illustrate, lower limit value is not particularly limited, preferably -200 DEG C or more, particularly preferably -150 DEG C or more.
By the way that institute is added for the specific resin of the upper limit value the 9th viewpoint of the invention below in glass transition temperature It states in thermoplastic elastomer (TPE) and uses, can make resin material that there is required elasticity modulus and control tan δ in low water It is flat.As a result, while preferred elasticity modulus can be obtained, the rolling resistance of tire may be implemented in the present invention of the 9th viewpoint The reduction of power.
Here, the glass transition temperature of the specific resin of the 9th viewpoint of the invention can be by dynamic loss (tan δ) temperature dependency measures.It is, for example, possible to use the ARES III of Rheometric corporation, in 10Hz, shear strain 0.2% Under conditions of be measured.Or can with differential scanning calorimeter (Differential scanning calorimetry: DSC it) is measured.
As the specific resin of the 9th viewpoint of the invention, it is, for example, possible to use aftermentioned as not acid-modified Meet the resin of the condition of the glass transition temperature (Tg), following institute in the resin that the example of resin (other resins) is enumerated The acid modified resin shown.
It should be noted that the specific resin of the 9th viewpoint of the invention is more preferably acid modified resin." acid is modified Resin " is the tree for instigating resin-bonded that there is the unsaturated compound of the acidic-groups such as carboxylic acid group, sulfate, phosphate to obtain Rouge.For example, can enumerate use unsaturated carboxylic acid (usually maleic anhydride) as with acidic-group unsaturated chemical combination When object, make the unsaturated bond position of olefin-based resin bonding (for example, graft polymerization) unsaturated carboxylic acid.
Using acid modified resin, resin material has island structure, and the island structure has by thermoplastic Property the marine facies that constitute of the elastomer and island phase that is made of acid modified resin.If the interaction of marine facies and island phase phase interface Weak, then the mobility of resin material increases, and injection moldability is excellent.Since the intramolecular of acid modified resin has sour modification portion Position, it is therefore, strong with the interaction of thermoplastic elastomer (TPE) compared with not acid-modified resin.
From the viewpoint of inhibiting thermoplastic elastomer (TPE) deterioration, acid modified resin preferably has the carboxylic acid as weak acid group The compound of base, for example, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, iso-crotonic acid, maleic acid etc. can be enumerated.
As acid modified resin, for example, acid-modified polyolefin resin etc. can be enumerated.Wherein, preferably acid is modified poly- second Alkene, sour modified polypropene, sour ethene improved-propylene copolymer, ethylene vinyl acetate.
As acid modified polyolefin, for example, can enumerate ADMERQF551, QE060 of Mitsui Chemicals, Inc.'s system, LB548, NE827 and QB550 etc..
The acid value of the acid modified resin is more than 0mg (CH3ONa)/g.
Acid value is with sodium methoxide (CH3Used sodium methoxide when ONa) to each acid modified resin 1 (g) progress acid-base titration (CH3ONa the form of quality (mg)) measures.
In the following, the unit of the acid value of each acid modified resin is represented as (mg (CH3ONa)/g〕。
In island structure, there are the tendencies of the average acid value Yue Gao island Xiang Yue little, acid value Yue Di island Xiang Yue great.Pass through Comprising acid modified resin, island phase micro disperse is in thermoplastic elastomer (TPE).
It should be noted that the island phase micro disperse of acid modified resin can be by using SEM (sweep type electricity in resin material Sub- microscope, scanning electron microscope) photo observe to confirm.
It should be noted that the elasticity modulus of the specific resin for the 9th viewpoint of the invention, in order to make springform Amount rises, preferably higher than the elasticity modulus of thermoplastic elastomer (TPE), is 100MPa~3000MPa, and then more preferably 300MPa~ 2000MPa.The elasticity modulus refers to the tensile modulus of elasticity of JIS K7113:1995 defined, can be according to the thermoplasticity Method in elastomer is measured.
In addition, the tan δ of the specific resin for the 9th viewpoint of the invention, in order to reduce tan δ, the tan δ of resin material Peak be preferably -150 DEG C~20 DEG C, and then more preferably -150 DEG C~15 DEG C.The tan δ can be according to the thermoplastic elastomehc Method in property body is measured.
It should be noted that also may include the certain tree of two or more 9th viewpoints of the invention in resin material Rouge.
(the 2nd thermoplastic elastomer (TPE))
The resin material includes: having other than the 1st thermoplastic elastomer (TPE) is same kind of hard with the resin 2nd thermoplastic elastomer (TPE) of segment.
So-called " having the thermoplastic elastomer (TPE) with the same kind of hard segment of the resin ", refers to and has and constitute The thermoplastic elastomer (TPE) of the hard segment of the common skeleton of the skeleton of the main chain of the resin.
It is believed that the 2nd thermoplastic elastomer (TPE) passes through the specific resin for having 9th viewpoint of the invention with composition The specific resin and the 2nd thermoplastic elastomer (TPE) of the 9th viewpoint of the invention can be improved in the hard segment of the common skeleton of the skeleton of main chain Hard segment compatibility.Accordingly, it is believed that the 2nd thermoplastic elastomer (TPE) is evenly dispersed in the of the invention of the composition In the specific resin of 9th viewpoint.
Furthermore it is possible to think, by addition to the specific resin containing the 1st thermoplastic elastomer (TPE) and the 9th viewpoint of the invention Also contain the 2nd thermoplastic elastomer (TPE) in addition, the specific resin flexibility of the 9th viewpoint of the invention can be assigned, result can be improved The impact resistance of resin material.
Contain in resin material the 9th viewpoint of the invention specific resin and aftermentioned not acid-modified resin (its Its resin) in the case where, as the 2nd thermoplastic elastomer (TPE), it is preferable to use having and other same kind of hard segments of resin The 2nd thermoplastic elastomer (TPE), that is, have the 2nd of the hard segment of the skeleton common with the skeleton for the main chain for constituting other resins Thermoplastic elastomer (TPE).
For example, the specific resin for the 9th viewpoint of the invention for being included in resin material is olefin-based resin and other trees Rouge is in polyacrylic situation, it is preferable to use comprising polyacrylic olefin series thermoplastic elastomer as the 2nd thermoplastic elastomer (TPE).
As described above, it is preferred to the spy for the 9th viewpoint of the invention for using acid modified polyolefin to be included as resin material Determine resin, therefore, the 2nd thermoplastic elastomer (TPE) is preferably olefin series thermoplastic elastomer.
It should be noted that the glass transition temperature (Tg) to the 2nd thermoplastic elastomer (TPE) is not particularly limited, in order to subtract Few influence to rolling resistance, the tan δ for controlling 30 DEG C~50 DEG C, preferably 30 DEG C or less or 50 DEG C or more, so that it is more excellent It is selected as 25 DEG C or less or 70 DEG C or more.The glass transition temperature can use the spy with the 9th viewpoint of the invention Determine the same method of the glass transition temperature in resin to be measured.
Here, the glass transition temperature can for example be measured by dynamic loss (tan δ) temperature dependency.For example, can To use the ARES III of Rheometric corporation, it is measured under conditions of 10Hz, shear strain 0.2%.Or it can be with It is measured with differential scanning calorimeter (Differential scanning calorimetry:DSC).
In addition, the elasticity modulus of the specific resin of the modular ratio of the 2nd thermoplastic elastomer (TPE) the 9th viewpoint of the invention It is small, preferably 5MPa~700MPa, and then more preferably 10MPa~500MPa.The elasticity modulus refers to JIS K7113: The tensile modulus of elasticity of 1995 defineds, it is, for example, possible to use the accurate universal testing machines of Shimadzu Seisakusho Ltd.'s corporation AUTOGRAPH is measured.
As the 2nd thermoplastic elastomer (TPE), preferred alkenes based thermoplastic elastomer.
(polyolefin thermoplastic elastomer (TPE))
So-called " polyolefin thermoplastic elastomer (TPE) " can enumerate at least polyolefin and constitute crystallinity and the high hard chain of fusing point Section, other polymer (for example, the polyolefin, other polyolefin, crosslinking rubber) constitute amorphism and glass transition temperature The material of low soft chain segment.As the polyolefin of the hard segment is formed, for example, it is poly- to enumerate polyethylene, polypropylene, isotactic Propylene, polybutene etc.." polyolefin thermoplastic elastomer (TPE) " in present embodiment and the phase of the present invention in above-mentioned 2nd viewpoint Together.
As polyolefin thermoplastic elastomer (TPE) as described above, it is, for example, possible to use the Mitsui Chemicals, Inc.s of commercially available product System " TAFMER " series (for example, A0550S, A1050S, A4050S, A1070S, A4070S, A35070S, A1085S, A4085S、A7090、A70090、MH7007、MH7010、XM-7070,XM-7080、BL4000、BL2481、BL3110、 BL3450、P-0275、P-0375、P-0775、P-0180、P-0280、P-0480、P-0680)、Dupont-Mitsui Polychemicals Co., Ltd. " Nucrel " series (for example, AN4214C, AN4225C, AN42115C, N0903HC, N0908C、AN42012C、N410、N1050H、N1108C、N1110H、N1207C、N1214、AN4221C、N1525、N1560、 N0200H, AN4228C, AN4213C, N035C, " ElvaloyAC " series (for example, 1125AC, 1209AC, 1218AC, 1609AC, 1820AC, 1913AC, 2112AC, 2116AC, 2615AC, 2715AC, 3117AC, 3427AC, 3717AC), Sumitomo " ACRYFT " of Co. Ltd. system is serial, " EVATATE " is serial, Tosoh Corporation " Ultrathene " system Column etc..
In turn, as the polyolefin thermoplastic elastomer (TPE), for example, it is also possible to use the Prime of commercially available product " PRIME TPO " series of Polymer Co., Ltd. is (for example, E-2900H, F-3900H, E-2900, F-3900, J- 5900、E-2910、F-3910、J-5910、E-2710、F-3710、J-5910、E-2740、F-3740、R110MP、R110E、 T310E, M142E etc.) etc..
TPV is to be compounded rubber and the crosslinking agents such as EPR, EPDM in the olefin resins such as propylene and use double screw extruder on one side It is kneaded polyolefin thermoplastic elastomer (TPE) obtained from being crosslinked on one side.It can also be compounded in rubber and to be usually compounded The additives such as oil, antioxidant.
As polyolefin thermoplastic elastomer (TPE) as described above, it is, for example, possible to use the Mitsui Chemicals, Inc.s of commercially available product Milastomer (registered trademark), the Espolex TPE of Sumitomo Chemical Co. Ltd. of system are serial, Mitsubishi Chemical Ind THERMORUN (registered trademark) etc..
(not acid-modified resin (other resins))
In resin material, include specific resin of the acid modified resin as the 9th viewpoint of the invention the case where Under, it can also be (other comprising the not acid-modified resin other than the 1st thermoplastic elastomer (TPE) and the 2nd thermoplastic elastomer (TPE) in turn Resin).Not acid-modified resin refers to that its average acid degree of modification is the resin of 0mg/g.
It should be noted that the resin in the present invention of the 9th viewpoint refers to thermoplasticity or heat cured resin, do not wrap Containing vulcanized rubbers such as previous natural rubber, synthetic rubber.
Like this resin material by containing the 1st thermoplastic elastomer (TPE), acid-modified the 9th viewpoint of the invention it is specific Resin, the 2nd thermoplastic elastomer (TPE) and not acid-modified resin (other resins), can be improved the drawing as tyre performance Stretch the tensile properties such as elasticity, breaking strength.
In addition, not including specific resin of the acid modified resin as the 9th viewpoint of the invention in resin material In the case where, also may include not acid-modified resin, (other resins/wherein meet the spy of the 9th viewpoint of the invention Determine the resin of the important document of resin) specific resin of 9th viewpoint of the invention as this.It should be noted that in the thermoplasticity In the case that elastomer is polystyrene thermoplastic elastomer (TPE), due to not including polarity in polystyrene thermoplastic elastic body Group, it is therefore preferable that using not acid-modified resin as the specific resin of the 9th viewpoint of the invention.
As other resins, can enumerate such as polyolefin resin.Wherein, can enumerate polypropylene, polyethylene, Ethylene-propylene copolymer etc., especially from the viewpoint of improving the tensile properties such as tensile elasticity, breaking strength, preferably poly- third Alkene, ethylene-propylene copolymer.
As polypropylene, ethylene-propylene copolymer, for example, the J- of Prime Polymer Co., Ltd. can be enumerated 700GP (homopolymer), JP-2000GP (homopolymer), J-466HP (block polymer), J-106MG (homopolymer), J-226T (nothing Advise polymer), the Novatec EC9EV (block polymer) of Japan Polypropylene Corporation, WintecWFW4 (atactic polymer) etc..
It should be noted that for the tan δ of other resins, it is excellent in order to reduce the peak of tan δ, tan δ of resin material It is selected as -150 DEG C~20 DEG C, and then more preferably -150 DEG C~15 DEG C.The tan δ can be according to the 9th viewpoint of the invention Specific resin in method be measured.
It should be noted that containing the spy of thermoplastic elastomer (TPE), acid-modified the 9th viewpoint of the invention in resin material In the case where determining resin and not acid-modified resin (other resins), the tan δ of other resins is not particularly limited in aforementioned Range.
In addition, for the elasticity modulus of other resins, in order to rise elasticity modulus, preferably than the bullet of thermoplastic elastomer (TPE) Property modulus it is high, be 100MPa~3000MPa, and then more preferably 300MPa~2000MPa.The elasticity modulus refers to JIS The tensile modulus of elasticity of K7113:1995 defined can be measured according to the method in the thermoplastic elastomer (TPE).
It should be noted that also may include two or more other resins in resin material.
(combination and ratio)
In the resin material of the invention of 9th viewpoint, 1 thermoplastic elastomer (TPE) of Cong Yi is that the viewpoint in the sea of island structure is examined Consider, the ratio of the total amount of the specific resin and other resins relative to the 9th the 1st thermoplastic elastomer (TPE), of the invention viewpoint (the 1 thermoplastic elastomer (TPE): the specific resin of the 9th viewpoint of the invention+other resins (mass ratio)) it is preferably 95:5~55:45, more Preferably 95:5~60:40.
In addition, contain the 9th viewpoint of the invention specific resin and other resin the two in the case where, from thermoplastic Property elastomer have interaction from the viewpoint of, the ratio of other resins of the specific resin relative to the 9th viewpoint of the invention Rate (specific resin of the 9th viewpoint of the invention: other resins (mass ratio)) is preferably 100:0~5:95, more preferably 100:0 ~10:90.
In addition, being dispersed in the sight in the specific resin and other resins of the 9th viewpoint of the invention from the 2nd thermoplastic elastomer (TPE) Point consideration, the total amount of the specific resin and other resins relative to the 9th viewpoint of the invention, the 2nd thermoplastic elastomer (TPE) ratio Rate (specific resin+other resins of the 9th viewpoint of the invention: the 2nd thermoplastic elastomer (TPE) (mass ratio)) is preferably 95:5~50: 50。
In turn, for the 1st thermoplastic elastomer (TPE), the specific resin of the 9th viewpoint of the invention, the 2nd thermoplastic in resin material Property elastomer and other resins total content, from the 1st thermoplastic elastomer (TPE), the specific resin of the 9th viewpoint of the invention, the 2nd heat From the viewpoint of thermoplastic elastic and other resins become the sea of island structure, the gross mass preferably with respect to resin material is 50 The mass of quality %~100 %.
It should be noted that as thermoplastic elastomer (TPE), the of the invention the 9th in the resin material of the invention of the 9th viewpoint The combination of the specific resin of viewpoint and other resins, combination preferably below.
The combination of Thermoplastic polyamide elastomer, acid-modified polyolefin resin and olefin series thermoplastic elastomer
Thermoplastic polyamide elastomer, acid-modified polyolefin resin, polypropylene and include polyacrylic olefin-based heat The combination of thermoplastic elastic
Thermoplastic polyamide elastomer, acid-modified polyolefin resin, ethylene-propylene copolymer and comprising polyacrylic The combination of olefin series thermoplastic elastomer
The combination of Polyester thermoplastic elastomer (TPE), acid-modified polyolefin resin and olefin series thermoplastic elastomer
Polyester thermoplastic elastomer (TPE), acid-modified polyolefin resin, polypropylene and include polyacrylic olefin-based thermoplastic The combination of property elastomer
Polyester thermoplastic elastomer (TPE), acid-modified polyolefin resin, ethylene-propylene copolymer and include polyacrylic alkene The combination of hydrocarbon system thermoplastic elastomer (TPE)
The combination of polystyrene thermoplastic elastomer (TPE), polyolefin resin and olefin series thermoplastic elastomer
(physical property of other compositions and resin material)
In resin material, also can according to need containing various fillers (for example, silica, calcium carbonate, clay), The various additives such as age resister, oil, plasticizer, colorant, weather resisting agent, reinforcement material.
Resin material can be by by the specific resin and the 2nd thermoplastic of the 1st thermoplastic elastomer (TPE), the 9th viewpoint of the invention Property elastomer mixing, and other resins or various additives are added as needed, carry out melting mixing then to obtain.1st heat Thermoplastic elastic, the specific resin of the 9th viewpoint of the invention, the mixing ratio of the 2nd thermoplastic elastomer (TPE) are referring to above-mentioned ratio.It is molten Melt the resin material being mixed to get can according to need be made graininess come using.
The tensile modulus of elasticity of the JIS K7113:1995 defined of resin material as the 9th viewpoint of the invention, it is excellent It is selected as 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If resin material Tensile modulus of elasticity is 100~1000MPa, then wheel rim group can be effectively performed while keeping the shape of tyre framework Dress.
The tensile yield strength of the JIS K7113:1995 defined of the resin material of 9th viewpoint of the invention is preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the tensile yield strength of resin material is 5MPa or more can then be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield elongation of the JIS K7113:1995 defined of the resin material of 9th viewpoint of the invention is preferably 10% or more, more preferably 10~70%, further preferably 15~60%.If the tensile yield elongation of resin material is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure elongation of the JIS K7113:1995 defined of resin material as the 9th viewpoint of the invention, Preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% or more.Such as The tensile failure elongation of fruit resin material is 50% or more, then wheel rim assemblability can be made good, be collided survivable.
The temperature of deflection under load of the ISO75-2 or ASTM D648 defined of resin material as the 9th viewpoint of the invention (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 DEG C.If tree The temperature of deflection under load of rouge material is 50 DEG C or more, then can inhibit the deformation in the vulcanization step such as tyre surface.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 9th viewpoint also can have the peripheral part in tyre framework body and along the circumferential direction wind and shape At the reinforcement cord component of reinforcing cord layer.
[structure of [resin material for constituting reinforcing cord layer] of 9th viewpoint of the invention with the 1st viewpoint of aforementioned present invention At the resin material of reinforcing cord layer] it is same.
[9-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 9-1 embodiment of the tire of the invention of the 9th viewpoint.
Here, the tire of 9-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
Here, the carcass 17 of present embodiment by containing Thermoplastic polyamide elastomer (Ube Industries, Ltd's system, UBESTA, XPA9048), acid modified polyolefin (Mitsui Chemicals, Inc.'s system, ADMERQF551, glass transition temperature be -13 DEG C), include polyacrylic olefin series thermoplastic elastomer (Prime Polymer Co., Ltd. system, PRIME TPO F-3740) Resin material (below in the explanation of 9-1 embodiment referred to as " resin material ") formed.Carcass in present embodiment 17 are formed by single resin material, but the 9th viewpoint the present invention is not limited to this composition, can also be with previous common rubber The pneumatic tire of glue is same, uses at each position (sidewall 14, crown part 16, bead part 12 etc.) of carcass 17 with not With the thermoplastic resin material of feature.For other aspects, manufacturing method same as the tire of above-mentioned 1-1 embodiment Equally.
(effect)
In the tire 10 of present embodiment, since carcass 17 is by addition to including the 1st thermoplastic elastomer (TPE) and of the invention Also the resin material comprising the 2nd thermoplastic elastomer (TPE) is formed other than the specific resin of 9th viewpoint, therefore, can control tire The elasticity modulus of body 17 and the rolling resistance of tire can be inhibited to increase.
In addition, the resin material is high to the adaptation for reinforcing cord 26, and the fixed performances such as heat seal strength are excellent.Cause This, can inhibit the phenomenon that reinforce air in cord rolling step and remain in reinforcement 26 surrounding of cord (air entrance).If right Adaptation and the weldability for reinforcing cord 26 are high and can inhibit air and enter and reinforce cord component periphery, then can be effectively Inhibit by input power when driving etc. and causes to reinforce cord 26 mobile.Even as a result, for example, in the outer of tyre framework body The case where tire member of formation is arranged in a manner of covering entire reinforcement cord component in circumference, also can inhibit and reinforces the shifting of cord component It is dynamic, therefore, it can inhibit, the durability raising of tire 10 peeling-off etc. (comprising tyre framework body) between these components.
In addition, in the tire 10 of present embodiment, due to the crown part 16 in the carcass 17 formed by resin material Outer peripheral surface is along the circumferential direction spirally wound with high reinforcement cord 26 rigidly than resin material, therefore puncture, resistance to cuts The circumferencial direction of wound property and tire 10 rigidly improves.It should be noted that by the circumferencial direction rigidity for improving tire 10, it can Prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface of the crown part 16 of the carcass 17 formed by resin material and closely sealed with resin material, therefore can press down Air when system manufacture enters, and can inhibit by input power when driving etc. and causes to reinforce cord 26 mobile.It can inhibit as a result, Reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
In addition, due to constituting the tyre surface 30 contacted with road surface with the rubber material for having abrasion resistence than resin material, The abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped with the rubber by there is leakproofness than resin material in the part of bead part 12 contacted with wheel rim 20 The sealant 24 that material is constituted, therefore, the leakproofness between tire 10 and wheel rim 20 improve.Therefore, and with wheel rim 20 and resin The case where material seals is compared, and the air leakage in tire can be further suppressed.In addition, by setting sealant 24, wheel rim peace Dress property also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point resin material melting or softening composition, but the 9th viewpoint the present invention is not limited to this composition, can also be to be not added Heat is reinforced being buried in the case where cord 26 with the heating of hot wind generating means and reinforces the outer peripheral surface of the crown part 16 of cord 26, then will Reinforce cord 26 and is embedded in the mode of crown part 16 to be arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 9th sees in 9-1 embodiment Point the present invention is not limited to this composition, also can be set as directly heating reinforcement curtain with radiant heat (for example, infrared ray etc.) The composition of line 26.Alternatively, it is also possible to make the heat source of hot wind generating means, such as infrared ray concentrate on the embedded portion for reinforcing cord 26 Point, make embedded partial melting or softening.
In turn, in 9-1 embodiment, it is set as that the thermoplastic resin material melting or soft for reinforcing cord 26 will be embedded with The part changed forces cooling composition with metal 2nd roller 64, but the 9th viewpoint the present invention is not limited to this composition, Also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Force the composition cooled and solidified in the part for melting or having softened.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 9-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
The tire 10 of 9-1 embodiment be and bead part 12 is installed on wheel rim 20 tire 10 and wheel rim 20 it Between form the so-called tubeless tyre of air chamber, but the 9th viewpoint the present invention is not limited to this composition, be also possible to complete Inner tube of a tyre shape.
As the tire of the complete inner tube of a tyre shape, as shown in figure 4, can be in tire width direction configured with 3 It is made the mode of circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, tire 86 Have: what the same resin material of tread rubber layer 87, You Yu 9-1 embodiment was formed is made circular hollow inner tube (tyre framework body) 88, belt (reinforcing cord) 89, wheel rim 90.3 are arranged in parallel in the tire width direction of tire 86 The inner tube of a tyre 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 is mounted on and has On the wheel rim 90 of the recess portion engaged with the inner tube of a tyre 88.It should be noted that the not set bead core of tire 86.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
More than, it enumerates embodiment and the embodiments of the present invention of the 9th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 9th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
[9-2 embodiment]
In the following, according to attached drawing to the 9-2 embodiment of the manufacturing method of the tire of the invention of the 9th viewpoint and tire into Row explanation.The tire of present embodiment is same as above-mentioned 9-1 embodiment, shows the inflation with previous common rubber system The substantially same section shape of tire.
Here, the tire of 9-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 9-2 embodiment is same as above-mentioned 9-1 embodiment, and carcass 17 is by containing polyamide-based thermoplasticity Elastomer (Ube Industries, Ltd's system, UBESTA, XPA9048), acid modified polyolefin (Mitsui Chemicals, Inc.'s system, ADMERQF551, glass transition temperature be -13 DEG C), include polyacrylic olefin series thermoplastic elastomer (Prime Polymer Co., Ltd. system, PRIME TPO F-3740) resin material it is (simple in the explanation of 9-2 embodiment below Referred to as " resin material ") it is formed.For other aspects, same as the tire of above-mentioned 1-2 embodiment, manufacturing method is also same Sample.
(effect)
In the tire 200 of present embodiment, since carcass 17 is by addition to including the 1st thermoplastic elastomer (TPE) and of the invention Also the resin material comprising the 2nd thermoplastic elastomer (TPE) is formed other than the specific resin of 9th viewpoint, therefore, can control tire The elasticity modulus of body 17 and the rolling resistance of tire can be inhibited to increase.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive 29.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, bumps are constituted in the outer peripheral surface 17S of carcass 17, but the present invention is not limited thereto for the 9th viewpoint, Also it can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 9-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming the structure of carcass 17 At, but the 9th viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 9-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 9th viewpoint the present invention is not limited to this composition, tire 200 can also To be for example complete inner tube of a tyre shape.
In 9-2 embodiment, buffering adhesive 29, but the present invention of the 9th viewpoint are configured between carcass 17 and tyre surface 30 It is not limited to this, also can be set as the composition that buffering adhesive 29 is not configured.
In addition, be set as covering the composition of cord component 26B to 16 spirally winding of crown part in 9-2 embodiment, But the present invention is not limited thereto for the 9th viewpoint, also can be set as to cover cord component 26B in the discontinuous side of width direction The composition of formula winding.
In 9-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as thermoplastic Property material, by heat the covering with resin material 27 formed melting or soft state will cover the 26B welding of cord component exist The composition of the outer peripheral surface of crown part 16, but the 9th viewpoint the present invention is not limited to this composition, also can be set as not heating Covering cord component 26B is bonded in in the case where covering resin material 27 with bonding agent etc. the structure of the outer peripheral surface of crown part 16 At.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 9-1 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 9th viewpoint is illustrated, but these embodiments It is an example, numerous variations can be carried out to implement in the range of without departing from main idea.In addition, the 9th viewpoint is of the invention Interest field is not limited to these embodiments certainly.
More than, although with 9-1 embodiment and 9-2 embodiment to the concrete mode of the invention of the 9th viewpoint into Gone explanation, but the 9th viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 10th viewpoint "
In the following, to composition tyre framework body in the present invention of the 10th viewpoint comprising Thermoplastic polyamide elastomer and The thermoplastic resin material of polyester thermoplastic elastomer and the resin material for constituting reinforcing cord layer are illustrated, then using figure The specific embodiment of the tire of the invention of 10th viewpoint is illustrated.
[thermoplastic resin]
The tire of the invention of 10th viewpoint is at least included by comprising Thermoplastic polyamide elastomer and Polyester thermoplastic Property elastomer thermoplastic resin material formed cricoid tyre framework body.
Here, so-called " Thermoplastic polyamide elastomer " is to constitute crystallinity and the high hard segment of fusing point by having The thermoplastic resin that the copolymer of the polymer of the polymer soft chain segment low with composition amorphism and glass transition temperature is formed Material, and there is amido bond (- CONH-) on the main chain of the polymer of composition hard segment." polyamide-based heat in present embodiment The same Thermoplastic polyamide elastomer of the present invention with above-mentioned 1st viewpoint can be used in thermoplastic elastic ".
Polyester thermoplastic elastomer (TPE)-
" Polyester thermoplastic elastomer (TPE) " is flexible high-molecular compound, is to constitute crystallinity and fusing point by having The copolymer of the polymer of the polymer of the high hard segment soft chain segment low with composition amorphism and glass transition temperature is formed Thermoplastic resin material, and include polyester resin as the polymer for constituting hard segment." Polyester heat in present embodiment Thermoplastic elastic " is identical as the present invention in above-mentioned 2nd viewpoint.
As the Polyester thermoplastic elastomer (TPE), commercially available product also can be used, it is, for example, possible to use Du Pont- Co., Ltd. is spun by " Hytrel " of Toray Co., Ltd. serial (for example, 3046,5557,6347,4047,4767), Japan System " PELPRENE " series (for example, P30B, P40B, P40H, P55B, P70B, P150B, P250B, E450B, P150M, S1001, S2001, S5001, S6001, S9001 etc.) etc..
In thermoplastic resin Thermoplastic polyamide elastomer (x) and Polyester thermoplastic elastomer (TPE) (y) mass ratio (x: It y) is preferably 95:5~50:50.If the mass ratio of these elastomers is in the range of 95:5~50:50, polyamide-based heat Thermoplastic elastic and Polyester thermoplastic elastomer (TPE) can assign while maintaining the characteristic of Thermoplastic polyamide elastomer The characteristic of Polyester thermoplastic elastomer (TPE), can maintain by Thermoplastic polyamide elastomer bring reinforce cord component and The elasticity modulus that tire is easily controlled while the weldability of tyre framework body, can be further improved the durability of tire, It is made the tire to the more difficult deformation of temperature change.As Thermoplastic polyamide elastomer (x) and Polyester thermoplastic elastomehc The mass ratio (x:y) of property body (y), further preferably 90:10~50:50.
In addition, in thermoplastic resin material Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) it is total Content is not particularly limited, relative to the total amount of thermoplastic resin material, preferably 50 mass of mass %~100 %.If institute The total amount that total content is stated relative to thermoplastic resin material is 50 mass % or more, then can give full play to thermoplastic resin material Characteristic, heat resistance, durability, the productivity of tire can be improved.
In thermoplastic resin material, it also can according to need containing rubber, remove Thermoplastic polyamide elastomer and gather Other thermoplastic elastomer (TPE)s, thermoplastic resin, various fillers other than ester based thermoplastic elastomer are (for example, silica, carbon Sour calcium, clay), age resister, oil, plasticizer, colorant, weather resisting agent, the various additives such as reinforcement material.
Thermoplastic resin material can be by by above-mentioned Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) It mixes and is added as needed various additives, carry out melting mixing then to obtain.Thermoplastic polyamide elastomer and poly- The mixing ratio of ester based thermoplastic elastomer is referring to above-mentioned ratio.The resin that melting mixing obtains, which can according to need, is made particle Shape come using.
The tensile elasticity of the JIS K7113:1995 defined of thermoplastic resin material as the 10th viewpoint of the invention Modulus, preferably 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If hot The tensile modulus of elasticity of plastic resin material is 100~1000MPa, then can be effective while keeping the shape of tyre framework Ground carries out wheel rim assembling.
The tensile yield strength of the JIS K7113:1995 defined of the thermoplastic resin material of 10th viewpoint of the invention Preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the stretching of thermoplastic resin material Yield strength is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield of the JIS K7113:1995 defined of the thermoplastic resin material of 10th viewpoint of the invention extends Rate is preferably 10% or more, and more preferably 10~70%, further preferably 15~60%.If the drawing of thermoplastic resin material Stretching yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure of the JIS K7113:1995 defined of thermoplastic resin material as the 10th viewpoint of the invention Elongation, preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% More than.If the tensile failure elongation of thermoplastic resin material is 50% or more, wheel rim assemblability can be made good, touched It hits survivable.
The load of the ISO75-2 or ASTM D648 defined of thermoplastic resin material as the 10th viewpoint of the invention Deflection temperature (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 ℃.If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, even if vulcanized in the manufacture of tire Tyre framework body can also be inhibited to deform.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 10th viewpoint also can have the peripheral part in tyre framework body along the circumferential direction wind and Form the reinforcement cord component of reinforcing cord layer.
[resin material for constituting reinforcing cord layer] and the 1st viewpoint of aforementioned present invention of 10th viewpoint of the invention [resin material for constituting reinforcing cord layer] is same.
[10-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 10-1 embodiment of the tire of the invention of the 10th viewpoint.
Here, the tire of 10-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Cause This, same attached drawing and component are illustrated with same symbol and attached drawing.
Here, it includes Thermoplastic polyamide elastomer (space portion that the carcass 17 of present embodiment, which is utilized with mass ratio 75:25, Emerging " the UBESTA XPA9048X1 " for producing Co. Ltd. system) and Polyester thermoplastic elastomer (TPE) (Du Pont-Toray Co., Ltd. system, " Hytrel 5557 ") thermoplastic resin material formed.Carcass 17 is only by the sheet of the 10th viewpoint in present embodiment The thermoplastic resin material of invention is formed, but the 10th viewpoint the present invention is not limited to this composition, can also with it is previous common Rubber system pneumatic tire it is same, carcass 17 each position (sidewall 14, crown part 16, bead part 12 etc.) using tool There are other thermoplastic resin materials of different characteristic.It is same as the tire of above-mentioned 1-1 embodiment for other aspects, system It is also the same to make method.
(effect)
It include polyamide-based thermoplasticity since carcass 17 is utilized with mass ratio 75:25 in the tire 10 of present embodiment Elastomer (" the UBESTA XPA9048X1 " of Ube Industries, Ltd) and Polyester thermoplastic elastomer (TPE) (Du Pont- Toray Co., Ltd. system, " Hytrel 5557 ") thermoplastic resin material formed, therefore, heat resistance, tensile modulus of elasticity, Tensile strength and breaking strain are excellent, and the temperature dependency of tensile yield strength is small.And it is lighter than previous rubber weight.Cause This, the excellent in te pins of durability of the tire 10 of present embodiment is not influenced vulnerable to temperature change, and when being used for automobile, specific fuel consumption is good.
In addition, the Thermoplastic polyamide elastomer of one of constituent as thermoplastic resin material is to reinforcing cord 26 adaptation is high, and the fixed performances such as heat seal strength are excellent.Therefore, it is residual can to inhibit to reinforce air in cord rolling step Stay in the phenomenon that reinforcing 26 surrounding of cord (air entrance).If high to the adaptation and weldability of reinforcing cord 26 and can Inhibit air to enter and reinforce cord component periphery, then can effectively inhibit by input power when driving etc. and cause to reinforce curtain Line 26 is mobile.Even as a result, for example, being arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body It the case where tire member of formation, also can inhibit that reinforce cord component mobile, therefore, can inhibit between these components (comprising wheel tire bone Frame body) peeling-off etc., the durability of tire 10 improves.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than thermoplastic elastomer (TPE) and therefore can mention The circumferencial direction rigidity of high puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference for improving tire 10 Direction rigidity, can prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface and and thermoplastic resin material of the crown part 16 of the carcass 17 formed by thermoplastic resin material It is closely sealed, therefore can inhibit the entrance of air when manufacture, it can inhibit by input power when driving etc. and cause to reinforce cord 26 to move It is dynamic.It can inhibit as a result, and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
Reinforcing cord layer 28 includes thermoplastic resin material to reinforce cord 26 with being fixed with buffering adhesive when constituting like this The case where it is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore can further will reinforce cord 26 it is close Conjunction is fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce when driving Cord component is mobile.
In turn, in the case where reinforcing cord is all-steel cord, led to since cord 26 can will be reinforced when tire is handled It crosses heating and is easily separated recycling from thermoplastic resin material, therefore, be advantageous in terms of the recycling property of tire 10. In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many resins The rollability of tire then can be improved in material.In turn, have in face with the higher resin material of vulcanized rubber resilience in comparison modular ratio Shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In addition, due to constituting the tyre surface contacted with road surface with the rubber material for having abrasion resistence than thermoplastic resin material 30, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by having leakproofness than thermoplastic resin material The sealant 24 that constitutes of rubber material, therefore, leakproofness between tire 10 and wheel rim 20 improves.Therefore, and with wheel rim 20 It is compared with the case where thermoplastic resin material sealing, the air leakage in tire can be further suppressed.In addition, passing through setting sealing Layer 24, wheel rim installation also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 10th viewpoint the present invention is not limited to this composition, can also be with The periphery for reinforcing the crown part 16 of cord 26 is buried with the heating of hot wind generating means in the case where not heating and reinforcing cord 26 Then face will reinforce cord 26 and be embedded in the mode of crown part 16 being arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 10th in 10-1 embodiment Viewpoint the present invention is not limited to this composition, also can be set as directly heating reinforcement with radiant heat (for example, infrared ray etc.) The composition of cord 26.
In turn, in 10-1 embodiment, be set as being embedded with the thermoplastic resin material melting for reinforcing cord 26 or The part softened forces cooling composition with metal 2nd roller 64, but the 10th viewpoint the present invention is not limited to the structures At, also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Melting or the part that has softened force the composition of cooling and solidifying.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 10-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 10-1 embodiment is and bead part 12 is installed on wheel rim 20 in tire 10 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 10th viewpoint the present invention is not limited to this composition, be also possible to Whole inner tube of a tyre shape.
More than, it enumerates embodiment and the embodiments of the present invention of the 10th viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 10th viewpoint Interest field be not limited to these embodiments certainly.
[10-2 embodiment]
In the following, according to attached drawing to the manufacturing method of the tire of the invention of the 10th viewpoint and the 10-2 embodiment of tire It is illustrated.The tire of present embodiment and above-mentioned 10-1 embodiment are same, show and previous common rubber system The substantially same section shape of pneumatic tire.
Here, the tire of 10-2 embodiment is same as above-mentioned 1-2 embodiment other than following aspects.Cause This, same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 10-2 embodiment is same as above-mentioned 10-1 embodiment, and carcass 17 is utilized with mass ratio 75:25 Include Thermoplastic polyamide elastomer (" the UBESTA XPA9048X1 " of Ube Industries, Ltd) and Polyester thermoplastic The thermoplastic resin material of property elastomer (Du Pont-Toray Co., Ltd. system, " Hytrel 5557 ") is formed.For other Aspect, same as the tire of above-mentioned 1-2 embodiment, manufacturing method is also the same.
(effect)
In the tire 200 of present embodiment, include Thermoplastic polyamide elastomer and polyester since carcass 17 utilizes The thermoplastic resin material of based thermoplastic elastomer is formed, and therefore, heat resistance, tensile modulus of elasticity, tensile strength and fracture are answered Become excellent, the temperature dependency of tensile yield strength is small.And then since tire construction can simplify, than previous rubber weight Amount is light.Therefore, the excellent in te pins of durability of the tire 200 of present embodiment is not influenced vulnerable to temperature change, when being used for automobile, fuel Consumption rate is good.
In addition, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord is all-steel cord, due to that cord component 26A can be led to when tire is handled It crosses heating and is easily separated recycling from covering cord component 26B, be advantageous in terms of the recycling property of tire 200 therefore 's.In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many The rollability of tire then can be improved in resin material.In turn, have with the higher resin material of vulcanized rubber resilience in comparison modular ratio Inplane shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, constituted in the outer peripheral surface 17S of carcass 17 it is concave-convex, but the 10th viewpoint the present invention is not limited to This, also can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 10-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming carcass 17 Constitute, but the 10th viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 10-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim Between 20 formed air chamber so-called tubeless tyre, but the 10th viewpoint the present invention is not limited to this composition, tires 200 It can be for example complete inner tube of a tyre shape.
In 10-2 embodiment, buffering adhesive 29, but this hair of the 10th viewpoint are configured between carcass 17 and tyre surface 30 It is bright to be not limited to this, it also can be set as the composition that buffering adhesive 29 is not configured.
In addition, being set as covering the structure of cord component 26B to 16 spirally winding of crown part in 10-2 embodiment At, but the present invention is not limited thereto for the 10th viewpoint, also can be set as discontinuous in width direction to cover cord component 26B The composition that winds of mode.
In 10-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as heat Plastic material, by heating, covering resin material 27 forms melting or soft state will covering cord component 26B welding In the composition of the outer peripheral surface of crown part 16, but the 10th viewpoint the present invention is not limited to this composition, also can be set as not Covering cord component 26B is bonded in in the case where heating covering resin material 27 with bonding agent etc. the outer peripheral surface of crown part 16 Composition.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 10-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 10th viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 10th viewpoint Interest field be not limited to these embodiments certainly.
More than, although with 10-1 embodiment and 10-2 embodiment to the concrete mode of the invention of the 10th viewpoint Be illustrated, but the 10th viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 11st viewpoint "
In the following, being illustrated to the thermoplastic resin material of the composition tyre framework body in the present invention of the 11st viewpoint, connect Be illustrated using specific embodiment of the figure to the tire of the invention of the 11st viewpoint.
[thermoplastic resin material]
The tire of the invention of 11st viewpoint is that at least have the cricoid tyre framework formed by thermoplastic resin material The tire of body is that the thermoplastic resin material contains Thermoplastic polyamide elastomer and alkene-(methyl) acrylate is total The tire of at least one of the metal corsslinking body of polymers and alkene-(methyl) acrylic copolymer copolymer.
The thermoplastic resin material of the invention of 11st viewpoint is by containing Thermoplastic polyamide elastomer and specific total Polymers, when the thermoplastic resin material of the invention of the 11st viewpoint is applied to tire, available excellent impact resistance, drawing Stretch the tire that the temperature dependency of yield strength is suppressed.
In the following, being illustrated to thermoplastic elastomer (TPE) and specific copolymer.
(Thermoplastic polyamide elastomer)
" Thermoplastic polyamide elastomer " is the high high-molecular compound of elasticity, is to constitute crystallinity and fusing point by having The copolymer of the polymer of the polymer of the high hard segment soft chain segment low with composition amorphism and glass transition temperature is formed Thermoplastic resin material, and constitute hard segment polymer main chain on have amido bond (- CONH-).
As the crystalline polyamide for constituting hard segment, can enumerate through polycaprolactam (nylon-6), poly- ω- Aminoheptylic acid (nylon -7), poly- omega-amino n-nonanoic acid (nylon-9), nylon 11 (nylon-11), poly- lauryl lactan (Buddhist nun Imperial -12), polyethyene diamine adipamide (nylon -2,6), poly hexamethylene adipamide 1,4- butanediamine (nylon -4,6), poly hexamethylene adipamide 1,6- Hexamethylene diamine (nylon-6,6), poly- decanedioyl 1,6- hexamethylene diamine (nylon-6,10), poly- lauroyl diamines 1,6- hexamethylene diamine (nylon-6, 12), the aliphatic polyamides such as poly hexamethylene adipamide 1,8- octamethylenediamine (nylon -8,6), poly hexamethylene adipamide 1,10- decamethylene diamine (nylon -10,8) The aromatic diamines such as amine, m-xylene diamine, p dimethylamine and adipic acid, suberic acid, decanedioic acid, cyclohexane dicarboxylic acid, to benzene Crystalline aromatic polyamide etc. obtained from the polycondensation reaction of the dicarboxylic acids such as dioctyl phthalate, M-phthalic acid or derivatives thereof.
Wherein, preferably nylon-6, nylon-6,6, Nylon-12 etc., more preferably Nylon-12.In present embodiment The same polyamide-based thermoplastic elastic with the present invention of above-mentioned 1st viewpoint can be used in " Thermoplastic polyamide elastomer " Body.
(specific copolymer)
The thermoplastic resin material of the invention of 11st viewpoint contains specific copolymer, i.e. alkene-(methyl) acrylate At least one of the metal corsslinking body of copolymer and alkene-(methyl) acrylic copolymer copolymer.
Alkene-(methyl) acrylate copolymer-
Alkene-(methyl) acrylate copolymer is in the repetitive unit of alkene comprising derived from the portion of (methyl) acrylate The copolymer of separation structure, can be free radical polyalcohol, be also possible to block copolymer, be also possible to graft copolymer.
Specifically, (methyl) acrylate is the Arrcostab of (methyl) acrylic acid, as the alkane that can form Arrcostab Base, for example, straight chain, branch or cricoid dodecyl, octyl, hexyl, butyl, propyl, ethyl, methyl etc. can be enumerated.Its In, from the viewpoint of making thermoplastic resin material that there is hardness, improve deformation resistance, preferably butyl or ethyl, more preferably For butyl.
In addition, the alkene for constituting the repetitive unit of alkene is preferably second in alkene-(methyl) acrylate copolymer Alkene, propylene, 1- butylene, more preferably ethylene.
That is, alkene-(methyl) acrylate copolymer is preferably ethylene-(methyl) acrylate copolymer.More preferably Ethylene-(methyl) ethyl acrylate copolymer, ethylene-(methyl) butyl acrylate copolymer, further preferably ethylene-propylene Butyl acrylate copolymer.
One kind can be used only in alkene-(methyl) acrylate copolymer, also can be used two or more.
The metal corsslinking body-of alkene-(methyl) acrylic copolymer
The metal corsslinking body of so-called alkene-(methyl) acrylic copolymer is in the repetitive unit of alkene comprising derived from (first Base) acrylic acid part-structure copolymer, and (methyl) acrylic acid in the repetitive unit of (methyl) acrylic acid removes Proton (H+)-COO?Between by metal ion (Mn+；The valence mumber that M is metal, n is metal) combine (crosslinking) copolymerization Object.The copolymer of such metal corsslinking body is also referred to as ionomer.For the mode of copolymer, free radical polymerization can be Object is also possible to block copolymer, is also possible to graft copolymer.
As can be with the COO of (methyl) acrylate?The metal ion for forming cross-linked structure, for example, lithium can be enumerated (Li+), sodium (Na+), potassium (K+) etc. 1 valence ion, magnesium (Mg2+), calcium (Ca2+), barium (Ba2+), zinc (Zn2+) as divalent ion, aluminium (Al3+) as trivalent ion etc..Usually using lithium (Li+), sodium (Na+), magnesium (Mg2+), zinc (Zn2+) etc. metal ions, wherein From the viewpoint of making thermoplastic resin material that there is hardness, improve deformation resistance, preferably zinc ion.
In addition, constituting the alkene of the repetitive unit of alkene in the metal corsslinking body of alkene-(methyl) acrylic copolymer Preferably ethylene, propylene, 1- butylene, more preferably ethylene.
That is, the metal corsslinking body of alkene-(methyl) acrylic copolymer is preferably ethylene-(methyl) acrylic copolymer Metal corsslinking body.More preferably the metal corsslinking body of ethylene-methacrylic acid copolymer, further preferably ethylene-methyl-prop The zinc ion crosslinked of olefin(e) acid copolymer.
One kind can be used only in the metal corsslinking body of alkene-(methyl) acrylic copolymer, also can be used two or more.
In addition, as described above, specific copolymer uses alkene-(methyl) acrylate copolymer and alkene-(methyl) third At least one party in the metal corsslinking body of olefin(e) acid copolymer.Using alkene-(methyl) acrylate copolymer and alkene- When the metal corsslinking body both sides of (methyl) acrylic copolymer, alkene-(methyl) acrylate copolymer and alkene-(methyl) third The metal corsslinking body of olefin(e) acid copolymer can respectively using one kind, be also possible to a side using two or more or both sides using two kinds with On.
As the number-average molecular weight of specific copolymer, from alkene-(methyl) acrylate copolymer, alkene-(methyl) third From the viewpoint of the metal corsslinking body of olefin(e) acid copolymer, the melt-moldability of thermoplastic resin material, preferably 5,000~10, 000,000, more preferably 7,000~1,000,000.
In thermoplastic resin material, from the viewpoint of impact resistance, Thermoplastic polyamide elastomer (x) and specific The mass ratio (x:y) of copolymer (y) is preferably 95:5~50:50, more preferably 90:10~50:50.
In addition, in thermoplastic resin material, in thermoplastic resin material Thermoplastic polyamide elastomer and The total content of specific copolymer, from the viewpoint of the performance for giving full play to thermoplastic resin material, preferably with respect to thermoplasticity The gross mass of resin material is the 50 mass % of mass %~100, more preferably 50 mass of mass %~90 %.
In thermoplastic resin material, also can according to need containing various fillers (for example, silica, calcium carbonate, Clay), age resister, oil, plasticizer, colorant, weather resisting agent, the various additives such as reinforcement material.
Thermoplastic resin material can be by mixing and Thermoplastic polyamide elastomer and specific copolymer according to need It adds various additives, carry out melting mixing then to obtain.Thermoplastic polyamide elastomer and specific copolymer it is mixed Composition and division in a proportion is referring to above-mentioned ratio.The thermoplastic resin material that melting mixing obtains can according to need be made graininess come using.
The tensile elasticity of the JIS K7113:1995 defined of thermoplastic resin material as the 11st viewpoint of the invention (unless otherwise specified, " elasticity modulus " refers to tensile modulus of elasticity to modulus in this specification.), preferably 100~ 1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If the drawing of thermoplastic resin material Stretching elasticity modulus is 100~1000MPa, then wheel rim assembling can be effectively performed while keeping the shape of tyre framework.
The tensile yield strength of the JIS K7113:1995 defined of the thermoplastic resin material of 11st viewpoint of the invention Preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the stretching of thermoplastic resin material Yield strength is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield of the JIS K7113:1995 defined of the thermoplastic resin material of 11st viewpoint of the invention extends Rate is preferably 10% or more, and more preferably 10~70%, further preferably 15~60%.If the drawing of thermoplastic resin material Stretching yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure of the JIS K7113:1995 defined of thermoplastic resin material as the 11st viewpoint of the invention Elongation, preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% More than.If the tensile failure elongation of thermoplastic resin material is 50% or more, wheel rim assemblability can be made good, touched It hits survivable.
The load of the ISO75-2 or ASTM D648 defined of thermoplastic resin material as the 11st viewpoint of the invention Deflection temperature (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 ℃.If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, tyre surface etc. can be inhibited in the vulcanization step Deformation.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 11st viewpoint also can have the peripheral part in tyre framework body along the circumferential direction wind and Form the reinforcement cord component of reinforcing cord layer.
[resin material for constituting reinforcing cord layer] and the 1st viewpoint of aforementioned present invention of 11st viewpoint of the invention [resin material for constituting reinforcing cord layer] is same.
[11-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 11-1 embodiment of the tire of the invention of the 11st viewpoint.
Here, the tire of 11-1 embodiment is same as above-mentioned 1-1 embodiment other than following aspects.Cause This, same attached drawing and component are illustrated with same symbol and attached drawing.
The carcass 17 of present embodiment using by Thermoplastic polyamide elastomer (Ube Industries, Ltd " UBESTA, XPA9055X1 ") and ethylene-methacrylic acid copolymer Zn ionomer (Dupont-Mitsui " Himilan, 1855Zn " of Polychemicals Co., Ltd.) mixing material constitute thermoplastic resin material shape At.Carcass 17 is only formed by the thermoplastic resin material of the invention of the 11st viewpoint in present embodiment, but the sheet of the 11st viewpoint Invention is not limited to this composition, can also be same as the previous common pneumatic tire of rubber system, in each portion of carcass 17 Position (sidewall 14, crown part 16, bead part 12 etc.) uses other thermoplastic resin materials with different characteristic.For other Aspect, same as the tire of above-mentioned 1-1 embodiment, manufacturing method is also the same.
The carcass 17 of present embodiment is a pair of of the tire for making to be formed by the thermoplastic resin material of the invention of the 11st viewpoint Made of being engaged between body halfbody (tyre framework piece) 17A.For carcass halfbody 17A, by making with a bead part 12 and one A sidewall 14 and half range crown part 16 are a circular carcass entirely through molding the same shape such as injection mouldings Halfbody 17A faces each other face and engages and formed in equatorial plane part.The thermoplastic resin material of the invention of 11st viewpoint In include Thermoplastic polyamide elastomer and specific copolymer.
It should be noted that carcass 17 is not limited to two components of engagement to be formed, three can also be engaged with upper member To be formed.
(effect)
In the tire 10 of present embodiment, since carcass 17 utilizes the thermoplastic resin material of the invention of the 11st viewpoint It is formed, therefore, excellent impact resistance can inhibit the temperature dependency of tensile yield strength.And then since tire construction can letter Change, therefore lighter than previous rubber weight.Therefore, when the tire of present embodiment 10 being applied to automobile, excellent in te pins of durability, no Easily be acted upon by temperature changes and lead to squeegee action etc..In addition, due to that tire lighting can be improved use The specific fuel consumption of the automobile of such tire.
In addition, the Thermoplastic polyamide elastomer of one of constituent as thermoplastic resin material is to reinforcing cord 26 adaptation is high, and the fixed performances such as heat seal strength are excellent, therefore, it is particularly possible to inhibit reinforcement cord rolling step hollow Gas remains in the phenomenon that reinforcing 26 surrounding of cord (air entrance).If to adaptation and the weldability height for reinforcing cord 26, simultaneously And can inhibit air and enter and reinforce cord component periphery, then can effectively inhibit by input power when driving etc. and cause plus Strong cord 26 is mobile.Even as a result, for example, in the peripheral part of tyre framework body in a manner of covering entire reinforcement cord component The case where tire member of formation is arranged, also can inhibit that reinforce cord component mobile, therefore, can inhibit between these components (comprising wheel Tire bone frame body) peeling-off etc., the durability of tire 10 improves.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than thermoplastic elastomer (TPE) and therefore can mention The circumferencial direction rigidity of high puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference for improving tire 10 Direction rigidity, can prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface and and thermoplastic resin material of the crown part 16 of the carcass 17 formed by thermoplastic resin material It is closely sealed, therefore can inhibit the entrance of air when manufacture, it can inhibit by input power when driving etc. and cause to reinforce cord 26 to move It is dynamic.It can inhibit as a result, and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
Reinforcing cord layer 28 includes thermoplastic resin material to reinforce cord 26 with being fixed with buffering adhesive when constituting like this The case where it is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore can further will reinforce cord 26 it is close Conjunction is fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce when driving Cord component is mobile.
In turn, in the case where reinforcing cord is all-steel cord, led to since cord 26 can will be reinforced when tire is handled It crosses heating and is easily separated recycling from thermoplastic resin material, therefore, be advantageous in terms of the recycling property of tire 10. In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many resins The rollability of tire then can be improved in material.In turn, have in face with the higher resin material of vulcanized rubber resilience in comparison modular ratio Shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In addition, due to constituting the tyre surface contacted with road surface with the rubber material for having abrasion resistence than thermoplastic resin material 30, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by having leakproofness than thermoplastic resin material The sealant 24 that constitutes of rubber material, therefore, leakproofness between tire 10 and wheel rim 20 improves.Therefore, and with wheel rim 20 It is compared with the case where thermoplastic resin material sealing, the air leakage in tire can be further suppressed.In addition, passing through setting sealing Layer 24, wheel rim installation also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 11st viewpoint the present invention is not limited to this composition, can also be with The periphery for reinforcing the crown part 16 of cord 26 is buried with the heating of hot wind generating means in the case where not heating and reinforcing cord 26 Then face will reinforce cord 26 and be embedded in the mode of crown part 16 being arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 11st in 11-1 embodiment Viewpoint the present invention is not limited to this composition, also can be set as directly heating reinforcement with radiant heat (for example, infrared ray etc.) The composition of cord 26.
In turn, in 11-1 embodiment, be set as being embedded with the thermoplastic resin material melting for reinforcing cord 26 or The part softened forces cooling composition with metal 2nd roller 64, but the 11st viewpoint the present invention is not limited to the structures At, also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Melting or the part that has softened force the composition of cooling and solidifying.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 11-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 11-1 embodiment is and bead part 12 is installed on wheel rim 20 in tire 10 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 11st viewpoint the present invention is not limited to this composition, be also possible to Whole inner tube of a tyre shape.
As the tire of the complete inner tube of a tyre shape, for example, being configured as shown in figure 4, can be in tire width direction There are 3 modes for being made circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, Tire 86 has: what the same resin material of tread rubber layer 87, You Yu 11-1 embodiment was formed is made in annular shape The empty inner tube of a tyre (tyre framework body) 88, belt (reinforcing cord) 89, wheel rim 90.It is configured side by side in the tire width direction of tire 86 There are 3 inner tubes of a tyre 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 is installed On the wheel rim 90 for having the recess portion engaged with the inner tube of a tyre 88.It should be noted that the not set bead core of tire 86.
More than, it enumerates embodiment and the embodiments of the present invention of the 11st viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 11st viewpoint Interest field be not limited to these embodiments certainly.
[11-2 embodiment]
In the following, according to attached drawing to the manufacturing method of the tire of the invention of the 11st viewpoint and the 11-2 embodiment of tire It is illustrated.The tire of present embodiment is same as above-mentioned 11-1 embodiment, shows and previous common rubber system The substantially same section shape of pneumatic tire.Here, the tire of 11-2 embodiment is other than following aspects with above-mentioned 1-2 embodiment is same.Therefore, same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 11-2 embodiment is same as above-mentioned 11-1 embodiment, and carcass 17 is using by polyamide-based thermoplastic The Zn of property elastomer (" UBESTA, the XPA9055X1 " of Ube Industries, Ltd) and ethylene-methacrylic acid copolymer from The mixing material of polymers (" Himilan, the 1855Zn " of Dupont-Mitsui Polychemicals Co., Ltd.) is constituted Thermoplastic resin material formed.
In addition, covering is preferably set to the springform to form the resin material of carcass 17 with the elasticity modulus of resin material 27 In the range of 0.1 times~10 times of amount.It with the elasticity modulus of resin material 27 is the thermoplastic resin to form carcass 17 in covering In 10 times of situations below of the elasticity modulus of material, crown part will not become progress wheel rim assembling really up to the mark and easy.In addition, Covering is to form the thermoplastic resin material of carcass 17 0.1 times or more of elasticity modulus with the elasticity modulus of resin material 27 In the case of, the resin for constituting reinforcing cord layer 28 will not be excessively soft, and belt inplane shear excellent rigidity, steering force improve.It needs Illustrate, in present embodiment, as covering resin material 27, uses material same as thermoplastic resin material (this In embodiment for by Thermoplastic polyamide elastomer (" UBESTA, the XPA9055X1 " of Ube Industries, Ltd) and Ethylene-methacrylic acid copolymer Zn ionomer (Dupont-Mitsui Polychemicals Co., Ltd.'s " Himilan, 1855Zn ") mixing material constitute thermoplastic resin material).For other aspects, implement with above-mentioned 1-2 The tire of mode is same, and manufacturing method is also the same.
(effect)
In the tire 200 of present embodiment, since carcass 17 is formed using thermoplastic resin material, impact resistance Property is excellent, can inhibit the temperature dependency of tensile yield strength.Therefore, if the tire 10 of present embodiment is applied to vapour Vehicle, then excellent in te pins of durability, is not easy to be acted upon by temperature changes and lead to squeegee action etc..
It is lighter than previous rubber weight and then since tire construction can simplify.Therefore, the tire of present embodiment 200 can be with lighting, therefore can improve the specific fuel consumption of the automobile using such tire.
In addition, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord is all-steel cord, due to that cord component 26A can be led to when tire is handled It crosses heating and is easily separated recycling from covering cord component 26B, be advantageous in terms of the recycling property of tire 200 therefore 's.In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many The rollability of tire then can be improved in resin material.In turn, have with the higher resin material of vulcanized rubber resilience in comparison modular ratio Inplane shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, constituted in the outer peripheral surface 17S of carcass 17 it is concave-convex, but the 11st viewpoint the present invention is not limited to This, also can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 11-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming carcass 17 Constitute, but the 11st viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 11-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim Between 20 formed air chamber so-called tubeless tyre, but the 11st viewpoint the present invention is not limited to this composition, tires 200 It can be for example complete inner tube of a tyre shape (such as shape shown in Fig. 4).
In 11-2 embodiment, buffering adhesive 29, but this hair of the 11st viewpoint are configured between carcass 17 and tyre surface 30 It is bright to be not limited to this, it also can be set as the composition that buffering adhesive 29 is not configured.
In addition, being set as covering the structure of cord component 26B to 16 spirally winding of crown part in 11-2 embodiment At, but the present invention is not limited thereto for the 11st viewpoint, also can be set as discontinuous in width direction to cover cord component 26B The composition that winds of mode.
In 11-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as heat Plastic material, by heating, covering resin material 27 forms melting or soft state will covering cord component 26B welding In the composition of the outer peripheral surface of crown part 16, but the 11st viewpoint the present invention is not limited to this composition, also can be set as not Covering cord component 26B is bonded in in the case where heating covering resin material 27 with bonding agent etc. the outer peripheral surface of crown part 16 Composition.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 11-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 11st viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 11st viewpoint Interest field be not limited to these embodiments certainly.
More than, although with 11-1 embodiment and 11-2 embodiment to the concrete mode of the invention of the 11st viewpoint Be illustrated, but the 11st viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 12nd viewpoint "
In the following, being illustrated to the thermoplastic resin material of the composition tyre framework body in the present invention of the 12nd viewpoint, connect Be illustrated using specific embodiment of the figure to the tire of the invention of the 12nd viewpoint.
[thermoplastic resin material]
The tire of the invention of 12nd viewpoint is that at least have the cricoid tyre framework formed by thermoplastic resin material The tire of body is that the thermoplastic resin material contains Thermoplastic polyamide elastomer, alkene-(methyl) acrylic copolymer It is (specific copolymer) and (specific to acid modified copolymer obtained from the progress acid modification of alkene-(methyl) acrylate copolymer Sour modified copolymer) tire.
The thermoplastic resin material of the invention of 12nd viewpoint is by containing Thermoplastic polyamide elastomer, specific copolymerization Object, specific acid modified copolymer, it is available resistance to when the thermoplastic resin material of the invention of the 12nd viewpoint is applied to tire Impact and the excellent tire of breaking property.
In the following, being illustrated to Thermoplastic polyamide elastomer, specific copolymer and specific acid modified copolymer.
(Thermoplastic polyamide elastomer)
So-called " thermoplastic elastomer (TPE) ", as described above, being the thermoplastic resin material in molecule with hard segment and soft chain segment Material, is flexible high-molecular compound specifically, is to constitute crystallinity and the high hard segment of fusing point or logical by having Cross the polymer for the hard segment that physical aggregation the forms pseudo- crosslinking soft chain segment low with composition amorphism and glass transition temperature Polymer copolymer formed thermoplastic resin material.
In addition, " Thermoplastic polyamide elastomer " is flexible high-molecular compound, it is to constitute crystallization by having Property and the polymer of the high hard segment of fusing point and the polymer for constituting amorphism and the low soft chain segment of glass transition temperature be total to The thermoplastic resin material that polymers is formed, and there is amido bond (- CONH-) on the main chain of the polymer of composition hard segment.
As the crystalline polyamide for constituting hard segment, can enumerate through polycaprolactam (nylon-6), poly- ω- Aminoheptylic acid (nylon -7), poly- omega-amino n-nonanoic acid (nylon-9), nylon 11 (nylon-11), poly- lauryl lactan (Buddhist nun Imperial -12), polyethyene diamine adipamide (nylon -2,6), poly hexamethylene adipamide 1,4- butanediamine (nylon -4,6), poly hexamethylene adipamide 1,6- Hexamethylene diamine (nylon-6,6), poly- decanedioyl 1,6- hexamethylene diamine (nylon-6,10), poly- lauroyl diamines 1,6- hexamethylene diamine (nylon-6, 12), the aliphatic polyamides such as poly hexamethylene adipamide 1,8- octamethylenediamine (nylon -8,6), poly hexamethylene adipamide 1,10- decamethylene diamine (nylon -10,8) The aromatic diamines such as amine, m-xylene diamine, p dimethylamine and adipic acid, suberic acid, decanedioic acid, cyclohexane dicarboxylic acid, to benzene Crystalline aromatic polyamide etc. obtained from the polycondensation reaction of the dicarboxylic acids such as dioctyl phthalate, M-phthalic acid or derivatives thereof.
Wherein, preferably nylon-6, nylon-6,6, Nylon-12 etc., more preferably Nylon-12.In present embodiment The same polyamide-based thermoplastic elastic with the present invention of above-mentioned 1st viewpoint can be used in " Thermoplastic polyamide elastomer " Body.
(specific copolymer)
Thermoplastic resin material contains alkene-(methyl) acrylic copolymer (specific copolymer).
Here, " alkene-(methyl) acrylic copolymer " refers in the repetitive unit of alkene comprising derived from (methyl) propylene The copolymer of the part-structure of acid." (methyl) acrylic acid " refers at least one party in acrylic acid and methacrylic acid.For altogether The mode of polymers, can be free radical polyalcohol, be also possible to block copolymer, be also possible to graft copolymer.
In alkene-(methyl) acrylic copolymer, the alkene for constituting the repetitive unit of alkene is preferably ethylene, propylene, 1- Butylene, more preferably ethylene.
That is, alkene-(methyl) acrylic copolymer is preferably ethylene-(methyl) acrylic copolymer.More preferably ethylene- Methacrylic acid copolymer.
One kind can be used only in alkene-(methyl) acrylic copolymer, also can be used two or more.
As the number-average molecular weight (Mn) of specific copolymer, examined from the viewpoint of the melt-moldability of thermoplastic resin material Consider, preferably 5,000~10,000,000, more preferably 7,000~1,000,000.
As alkene, preferably ethylene, and then as specific copolymer, preferably ethylene-methacrylic acid copolymer.
Commercially available product can be used in specific copolymer, and it is, for example, possible to use Dupont-Mitsui Polychemicals Co., the Nucrel (N035C, AN42115C etc.) etc. of Ltd..
(specific acid modified copolymer)
It is modified that thermoplastic resin material contains acid obtained from be modified sour to the progress of alkene-(methyl) acrylate copolymer Copolymer (specific acid modified copolymer).
Here, so-called " acid modified copolymer obtained from acid is modified is carried out to alkene-(methyl) acrylate copolymer ", It is copolymer (the i.e. alkene-(methyl) comprising the part-structure derived from (methyl) acrylate in the repetitive unit for instigate alkene Acrylate copolymer) it is bonded copolymer obtained from the compound with acidic-group." (methyl) acrylate " refers to third At least one party in olefin(e) acid ester and methacrylate.
So-called " making the bonding of alkene-(methyl) acrylate copolymer that there is the compound of acidic-group ", more specifically, It is the unsaturation for instigating the bonding of alkene-(methyl) acrylate copolymer that there are the acidic-groups such as carboxylic acid group, sulfate, phosphate Compound.For example, can enumerate use unsaturated carboxylic acid (usually maleic anhydride) as with acidic-group unsaturation When compound, make the unsaturated bond portion of the bonding of alkene-(methyl) acrylate copolymer (for example, graft polymerization) unsaturated carboxylic acid Position.
For the compound with acidic-group, examined from the viewpoint for inhibiting alkene-(methyl) acrylate copolymer to deteriorate Consider, preferably have as weak acid group carboxylic acid group's (carboxyl) compound, for example, can enumerate acrylic acid, methacrylic acid, Itaconic acid, crotonic acid, iso-crotonic acid, maleic acid etc..
In alkene-(methyl) acrylate copolymer, constitute the repetitive unit of alkene alkene be preferably ethylene, propylene, 1- butylene, more preferably ethylene.
That is, alkene-(methyl) acrylate copolymer is preferably ethylene-(methyl) acrylate copolymer.
Thus, specific acid modified copolymer is preferably the sour modified body of ethylene-(methyl) acrylate copolymer.
More preferably ethylene-(methyl) ethyl acrylate copolymer is carried out using the compound with carboxylic acid group (carboxyl) Carboxyl acid modified copolymer, the further preferably carboxyl acid modified body of ethylene-ethyl acrylate copolymer obtained from acid is modified.
One kind can be used only in specific acid modified copolymer, also can be used two or more.
As the number-average molecular weight (Mn) of specific acid modified copolymer, from the sight of the melt-moldability of thermoplastic resin material Point consideration, preferably 5,000~10,000,000, more preferably 7,000~1,000,000.
Commercially available product can be used in specific acid modified copolymer, for example, Dupont-Mitsui can be enumerated HPR (AR2011 etc.) of Polychemicals Co., Ltd. etc..
Thermoplastic polyamide elastomer (x) and specific copolymer (y) and specific acid are modified in thermoplastic resin material The mass ratio (x:y+z) of copolymer (z), from the viewpoint of impact resistance and breaking property, preferably 95:5~50:50 is more excellent It is selected as 90:10~50:50.
In addition, in thermoplastic resin material, the mass ratio of specific copolymer (y) and specific acid modified copolymer (z) (y: It z) is preferably 95:5~10:90, more preferably 80:20~20:80.By being set as such range, heat can be given full play to The drawing such as tensile elasticity, breaking strength and breaking property as tyre performance can be improved in performance possessed by plastic resin material Stretch characteristic.It is total to it should be noted that ethylene-methyl methacrylate is preferably applied in combination in specific copolymer and specific acid modified copolymer The sour modified body of polymers and vinyl-acrylate copolymer.
In turn, thermoplastic elastomer (TPE), specific copolymer and spy in thermoplastic resin material, in thermoplastic resin material The total content of fixed acid modified copolymer is from the viewpoint of the performance for giving full play to thermoplastic resin material, preferably with respect to thermoplastic Property resin material gross mass be the 50 mass % of mass %~100, more preferably 50 mass of mass %~90 %.
In thermoplastic resin material, also can according to need containing various fillers (for example, silica, calcium carbonate, Clay), age resister, oil, plasticizer, colorant, weather resisting agent, the various additives such as reinforcement material.
Thermoplastic resin material can be by mixing thermoplastic elastomer (TPE), specific copolymer and specific acid modified copolymer It closes and is added as needed various additives, carry out melting mixing then to obtain.Thermoplastic elastomer (TPE), specific copolymer and The mixing ratio of specific acid modified copolymer is referring to above-mentioned ratio.The thermoplastic resin material that melting mixing obtains can be according to need Be made graininess come using.
The tensile elasticity of the JIS K7113:1995 defined of thermoplastic resin material as the 12nd viewpoint of the invention (unless otherwise specified, " elasticity modulus " refers to tensile modulus of elasticity to modulus in this specification.), preferably 100~ 1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If the drawing of thermoplastic resin material Stretching elasticity modulus is 100~1000MPa, then wheel rim assembling can be effectively performed while keeping the shape of tyre framework.
The tensile yield strength of the JIS K7113:1995 defined of the thermoplastic resin material of 12nd viewpoint of the invention Preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the stretching of thermoplastic resin material Yield strength is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield of the JIS K7113:1995 defined of the thermoplastic resin material of 12nd viewpoint of the invention extends Rate is preferably 10% or more, and more preferably 10~70%, further preferably 15~60%.If the drawing of thermoplastic resin material Stretching yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure of the JIS K7113:1995 defined of thermoplastic resin material as the 12nd viewpoint of the invention Elongation (JIS K7113:1995), preferably 50% or more, more preferably 100% or more, further preferably 150% with On, particularly preferably 200% or more.If the tensile failure elongation of thermoplastic resin material is 50% or more, can make Wheel rim assemblability is good, is collided survivable.
The load of the ISO75-2 or ASTM D648 defined of thermoplastic resin material as the 12nd viewpoint of the invention Deflection temperature (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 ℃.If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, tyre surface etc. can be inhibited in the vulcanization step Deformation.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 12nd viewpoint also can have the peripheral part in tyre framework body along the circumferential direction wind and Form the reinforcement cord component of reinforcing cord layer.
[resin material for constituting reinforcing cord layer] and the 1st viewpoint of aforementioned present invention of 12nd viewpoint of the invention [resin material for constituting reinforcing cord layer] is same.
[12-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 12-1 embodiment of the tire of the invention of the 12nd viewpoint.
Here, the tire of 12-1 embodiment is same as above-mentioned 12nd embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
Here, the carcass 17 of present embodiment is using by Thermoplastic polyamide elastomer (Ube Industries, Ltd's system " UBESTA, XPA9055X1 "), the specific copolymer (second of Dupont-Mitsui Polychemicals Co., Ltd. Alkene-methacrylic acid copolymer " Nucrel, N035C ") and specific acid modified copolymer (Dupont-Mitsui The sour modified body " HPR, AR2011 " of the ethylene-ethyl acrylate copolymer of Polychemicals Co., Ltd.) mixing The thermoplastic resin material that material is constituted is formed.Carcass 17 is only by the thermoplastic resin of the invention of the 12nd viewpoint in present embodiment Rouge material is formed, but the 12nd viewpoint the present invention is not limited to this composition, can also be with the inflation of previous common rubber system Tire is same, uses its with different characteristic at each position (sidewall 14, crown part 16, bead part 12 etc.) of carcass 17 Its thermoplastic resin material.For other aspects, same as the tire of above-mentioned 12nd embodiment, manufacturing method is also the same.
(effect)
In the tire 10 of present embodiment, since carcass 17 utilizes the thermoplastic resin material of the invention of the 12nd viewpoint It is formed, therefore impact resistance and breaking property are excellent.And then since tire construction can simplify, than previous rubber weight Gently.Therefore, if the tire 10 of present embodiment is applied to automobile, excellent in te pins of durability.In addition, due to can be light by tire Matter, therefore the specific fuel consumption of the automobile using such tire can be improved.
In addition, the Thermoplastic polyamide elastomer of one of constituent as thermoplastic resin material is to reinforcing cord 26 adaptation is high, and the fixed performances such as heat seal strength are excellent.Therefore, it is particularly possible to it is residual to inhibit to reinforce air in cord rolling step Stay in the phenomenon that reinforcing 26 surrounding of cord (air entrance).If high to the adaptation and weldability of reinforcing cord 26 and can Inhibit air to enter and reinforce cord component periphery, then can effectively inhibit by input power when driving etc. and cause to reinforce curtain Line 26 is mobile.Even as a result, for example, being arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body It the case where tire member of formation, also can inhibit that reinforce cord component mobile, therefore, can inhibit between these components (comprising wheel tire bone Frame body) peeling-off etc., the durability of tire 10 improves.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than thermoplastic elastomer (TPE) and therefore can mention The circumferencial direction rigidity of high puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference for improving tire 10 Direction rigidity, can prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface and and thermoplastic resin material of the crown part 16 of the carcass 17 formed by thermoplastic resin material It is closely sealed, therefore can inhibit the entrance of air when manufacture, it can inhibit by input power when driving etc. and cause to reinforce cord 26 to move It is dynamic.It can inhibit as a result, and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
Reinforcing cord layer 28 includes thermoplastic resin material to reinforce cord 26 with being fixed with buffering adhesive when constituting like this The case where it is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore can further will reinforce cord 26 it is close Conjunction is fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce when driving Cord component is mobile.
In turn, in the case where reinforcing cord is all-steel cord, led to since cord 26 can will be reinforced when tire is handled It crosses heating and is easily separated recycling from thermoplastic resin material, therefore, be advantageous in terms of the recycling property of tire 10. In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many resins The rollability of tire then can be improved in material.In turn, have in face with the higher resin material of vulcanized rubber resilience in comparison modular ratio Shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In addition, due to constituting the tyre surface contacted with road surface with the rubber material for having abrasion resistence than thermoplastic resin material 30, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by having leakproofness than thermoplastic resin material The sealant 24 that constitutes of rubber material, therefore, leakproofness between tire 10 and wheel rim 20 improves.Therefore, and with wheel rim 20 It is compared with the case where thermoplastic resin material sealing, the air leakage in tire can be further suppressed.In addition, passing through setting sealing Layer 24, wheel rim installation also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 12nd viewpoint the present invention is not limited to this composition, can also be with The periphery for reinforcing the crown part 16 of cord 26 is buried with the heating of hot wind generating means in the case where not heating and reinforcing cord 26 Then face will reinforce cord 26 and be embedded in the mode of crown part 16 being arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 12nd in 12-1 embodiment Viewpoint the present invention is not limited to this composition, also can be set as directly heating reinforcement with radiant heat (for example, infrared ray etc.) The composition of cord 26.
In turn, in 12-1 embodiment, be set as being embedded with the thermoplastic resin material melting for reinforcing cord 26 or The part softened forces cooling composition with metal 2nd roller 64, but the 12nd viewpoint the present invention is not limited to the structures At, also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Melting or the part that has softened force the composition of cooling and solidifying.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 12-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 12-1 embodiment is and bead part 12 is installed on wheel rim 20 in tire 10 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 12nd viewpoint the present invention is not limited to this composition, be also possible to Whole inner tube of a tyre shape.
As the tire of the complete inner tube of a tyre shape, for example, being configured as shown in figure 4, can be in tire width direction There are 3 modes for being made circular tyre framework body.Fig. 4 is the sectional view of the tire of other embodiment.As shown in figure 4, Tire 86 has: what the same resin material of tread rubber layer 87, You Yu 12-1 embodiment was formed is made in annular shape The empty inner tube of a tyre (tyre framework body) 88, belt (reinforcing cord) 89, wheel rim 90.It is configured side by side in the tire width direction of tire 86 There are 3 inner tubes of a tyre 88.The tread rubber layer 87 of belt 89 is embedded in the peripheral part bonding of the inner tube of a tyre 88.In addition, the inner tube of a tyre 88 is installed On the wheel rim 90 for having the recess portion engaged with the inner tube of a tyre 88.It should be noted that the not set bead core of tire 86.
More than, it enumerates embodiment and the embodiments of the present invention of the 12nd viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 12nd viewpoint Interest field be not limited to these embodiments certainly.
[12-2 embodiment]
In the following, according to attached drawing to the manufacturing method of the tire of the invention of the 12nd viewpoint and the 12-2 embodiment of tire It is illustrated.The tire of present embodiment is same as above-mentioned 12-1 embodiment, shows and previous common rubber system The substantially same section shape of pneumatic tire.Here, the tire of 12-2 embodiment is other than following aspects with above-mentioned 1-2 embodiment is same.Therefore, same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 12-2 embodiment is same as above-mentioned 12-1 embodiment, and carcass 17 is using by polyamide-based thermoplastic Property elastomer (" UBESTA, the XPA9055X1 " of Ube Industries, Ltd), specific copolymer (Dupont-Mitsui The ethylene-methacrylic acid copolymer " Nucrel, N035C " of Polychemicals Co., Ltd.) and specific acid modification is altogether Polymers (the sour modified body of the ethylene-ethyl acrylate copolymer of Dupont-Mitsui Polychemicals Co., Ltd. " HPR, AR2011 ") mixing material constitute thermoplastic resin material formed.For other aspects, implement with above-mentioned 1-2 The tire of mode is same, and manufacturing method is also the same.
In addition, covering is preferably set to the springform to form the resin material of carcass 17 with the elasticity modulus of resin material 27 In the range of 0.1 times~10 times of amount.It with the elasticity modulus of resin material 27 is the thermoplastic resin to form carcass 17 in covering In 10 times of situations below of the elasticity modulus of material, crown part will not become progress wheel rim assembling really up to the mark and easy.In addition, Covering is to form the thermoplastic resin material of carcass 17 0.1 times or more of elasticity modulus with the elasticity modulus of resin material 27 In the case of, the resin for constituting reinforcing cord layer 28 will not be excessively soft, and belt inplane shear excellent rigidity, steering force improve.It needs Illustrate, in present embodiment, as covering resin material 27, using material same as thermoplastic resin material ( In present embodiment, for by Thermoplastic polyamide elastomer (Ube Industries, Ltd " UBESTA, XPA9055X1 "), specific copolymer (ethylene-metering system of Dupont-Mitsui Polychemicals Co., Ltd. Acid copolymer " Nucrel, N035C ") and specific acid modified copolymer (Dupont-Mitsui Polychemicals Co., Ltd. the sour modified body " HPR, AR2011 " for the ethylene-ethyl acrylate copolymer made) mixing material constitute thermoplastic resin Rouge material).
(effect)
In the tire 200 of present embodiment, since carcass 17 is formed by thermoplastic resin material, impact resistance And breaking property is excellent.Therefore, if the tire 10 of present embodiment is applied to automobile, excellent in te pins of durability.
It is lighter than previous rubber weight and then since tire construction can simplify.Therefore, the tire of present embodiment 200 can be with lighting, therefore can improve the specific fuel consumption using the automobile for having such tire.
In addition, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, in the case where reinforcing cord is all-steel cord, due to that cord component 26A can be led to when tire is handled It crosses heating and is easily separated recycling from covering cord component 26B, be advantageous in terms of the recycling property of tire 200 therefore 's.In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes many The rollability of tire then can be improved in resin material.In turn, have with the higher resin material of vulcanized rubber resilience in comparison modular ratio Inplane shear rigidity is big, tire running when control stability, abrasion resistence also excellent advantage.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, constituted in the outer peripheral surface 17S of carcass 17 it is concave-convex, but the 12nd viewpoint the present invention is not limited to This, also can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 12-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming carcass 17 Constitute, but the 12nd viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 12-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim Between 20 formed air chamber so-called tubeless tyre, but the 12nd viewpoint the present invention is not limited to this composition, tires 200 It can be for example complete inner tube of a tyre shape (such as shape shown in Fig. 4).
In 12-2 embodiment, buffering adhesive 29, but this hair of the 12nd viewpoint are configured between carcass 17 and tyre surface 30 It is bright to be not limited to this, it also can be set as the composition that buffering adhesive 29 is not configured.
In addition, being set as covering the structure of cord component 26B to 16 spirally winding of crown part in 12-2 embodiment At, but the present invention is not limited thereto for the 12nd viewpoint, also can be set as discontinuous in width direction to cover cord component 26B The composition that winds of mode.
In 12-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as heat Plastic material, by heating, covering resin material 27 forms melting or soft state will covering cord component 26B welding In the composition of the outer peripheral surface of crown part 16, but the 12nd viewpoint the present invention is not limited to this composition, also can be set as not Covering cord component 26B is bonded in in the case where heating covering resin material 27 with bonding agent etc. the outer peripheral surface of crown part 16 Composition.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 12-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 12nd viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 12nd viewpoint Interest field be not limited to these embodiments certainly.
More than, although with 12-1 embodiment and 12-2 embodiment to the concrete mode of the invention of the 12nd viewpoint Be illustrated, but the 12nd viewpoint the present invention is not limited to aforesaid ways.
" present invention of the 13rd viewpoint "
In the following, to composition tyre framework body in the present invention of the 13rd viewpoint comprising Thermoplastic polyamide elastomer and The thermoplastic resin material of rubber and the resin material for constituting reinforcing cord layer are illustrated, then using figure to the 13rd viewpoint The specific embodiment of tire of the invention is illustrated.
[thermoplastic resin material]
The tire of the invention of 13rd viewpoint is at least included by the thermoplastic comprising Thermoplastic polyamide elastomer and rubber Property resin material formed cricoid tyre framework body.
Thermoplastic polyamide elastomer-
Thermoplastic polyamide elastomer is flexible high-molecular compound, is to constitute crystallinity and fusing point by having The copolymer of the polymer of the polymer of the high hard segment soft chain segment low with composition amorphism and glass transition temperature is formed Thermoplastic resin material, and constitute hard segment polymer main chain on have amido bond (- CONH-).In present embodiment " Thermoplastic polyamide elastomer " the same polyamide-based thermoplastic elastic of the present invention with above-mentioned 1st viewpoint can be used Body.
Rubber-
" rubber " is flexible high-molecular compound.
As described above, in the present specification, and as by having the polymer for constituting crystallinity and the high hard segment of fusing point The thermoplastic resin material that the copolymer of the polymer of the soft chain segment low with composition amorphism and glass transition temperature is formed Thermoplastic elastomer (TPE) is different.
It as rubber, is not particularly limited, for example, natural rubber (NR), isoprene rubber (IR), fourth two can be enumerated Alkene rubber (BR), styrene butadiene copolymers rubber (SBR), acrylonitrile-butadiene copolymer rubber (NBR), chloroprene rubber (CR), butyl rubber (IIR), halogenated butyl rubber (Br-IIR, Cl-IIR etc.), Ethylene-Propylene-Diene rubber (EPDM) etc.. Also NIR, a part of butadiene that whole butadiene of acrylonitrile-butadiene copolymer rubber are replaced to isoprene can be used It is replaced to the NBIR of isoprene.
Wherein, from the viewpoint of being easy to control the flexibility of thermoplastic resin material, preferably BR, SBR, NBR, NIR, And NBIR, more preferably BR, SBR, IR and NBR.
From the viewpoint of increasing the partial size immobilization of the elasticity modulus of rubber, the rubber for making dispersion, improving creep, rubber Also vulcanized rubber obtained from vulcanizing to rubber can be used.The vulcanization of rubber is carried out with well known method, for example, Japanese Unexamined Patent Publication 11-048264 bulletin, Japanese Unexamined Patent Publication 11-029658 bulletin, Japanese Unexamined Patent Publication 2003-238744 can be used The method recorded in number bulletin etc. carries out.When being blended with Thermoplastic polyamide elastomer, preferred to miniaturization into Row is crushed and is put into.Particularly preferably Thermoplastic polyamide elastomer and rubber are kneaded using one side, carry out rubber on one side The dynamic crosslinking of the dispersion and crosslinking (vulcanization) of glue.
The vulcanization of rubber operates as follows: the reinforcement material such as carbon black, filler, vulcanization are suitably compounded in the rubber Agent, vulcanization accelerator, fatty acid or its salt, metal oxide, technical oil, age resister etc., are mixed with Banbury After refining, heated at 120 DEG C~235 DEG C.
As vulcanizing agent, well known vulcanizing agent, such as sulphur, organic peroxide, resin curative etc. are used.
As vulcanization accelerator, well known vulcanization accelerator, such as aldehydes, Ammonia, amine, guanidine, Thiourea, thiophene are used Azole, sulfenamide, thiurams, dithiocarbamate, yellow acid salt etc..
As fatty acid, stearic acid, palmitic acid, myristic acid, lauric acid etc. can be enumerated, in addition, these fatty acid can To be compounded as zinc stearate with the state of salt.Wherein, preferred stearic acid.
In addition, zinc oxide (ZnO), iron oxide, magnesia etc. can be enumerated as metal oxide, wherein it is preferred that oxidation Zinc.
Any one of aromatic series, naphthene series, paraffin series can be used in technical oil.
As age resister, amine -one system, imidazoles system, amine system, phenol system, sulphur system and phosphorus system etc. can be enumerated.
The mass ratio (x:y) of Thermoplastic polyamide elastomer (x) and rubber (y) in thermoplastic resin is (in thermoplasticity It is Thermoplastic polyamide elastomer (x) and rubber when resin includes the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer The mass ratio (x:y ') of the total amount (y ') of thermoplastic elastomer (TPE) other than glue and Thermoplastic polyamide elastomer) it is preferably 95:5 ~50:50.If the mass ratio of these elastomers in the range of 95:5~50:50, Thermoplastic polyamide elastomer and Rubber can assign the characteristic of rubber while maintaining the characteristic of Thermoplastic polyamide elastomer, can maintain by polyamides Amine system thermoplastic elastomer (TPE) bring is reinforced easily controlling tire in the case where cord component and the weldability of tyre framework body Elasticity modulus, can be made and further improve the tire of the durability of tire.(x:y) and (x:y ') is more excellent It is selected as 90:10~50:50.
The good thermoplastic elastomer (TPE)-with the compatibility of rubber
In thermoplastic resin material, the thermoplastic elastomer (TPE) good with the compatibility of rubber also may include.In the following, will be with The good thermoplastic elastomer (TPE) of the compatibility of rubber is also referred to as " thermoplastic elastomer (TPE) of affine rubber ".
Thermoplastic resin material is by that also comprising the thermoplastic elastomer (TPE) of affine rubber, can make rubber micro disperse in thermoplastic In property resin material.In turn, it is believed that using the interaction of Thermoplastic polyamide elastomer and the modified position of acid, mention High tensile, even if it is assumed that being also ductile fracture to occur, and it is broken to be not susceptible to brittle break, stratiform in ruinate situation It is bad.What ductile fracture, brittle break, stratiform were destroyed distinguish can the plane of disruption of thermoplastic resin material by visual observation confirm.
Here, so-called " good with rubber compatibility ", refer to the rubber when being mixed together thermoplastic elastomer (TPE) and rubber Molecular skeleton is similar with the molecular skeleton of thermoplastic elastomer (TPE), be mixed into the discrete particles of thermoplastic elastomer (TPE) rubber state, Or the state of thermoplastic elastomer (TPE) is mixed into the discrete particles of rubber.
Wherein, the thermoplastic elastomer (TPE) and all aforesaid states of rubber in thermoplastic resin material are not needed, can be Thermoplastic elastomer (TPE) and rubber part in thermoplastic resin material are aforesaid state.
For example, the skeleton and composition of the main chain in the polymer for constituting the hard segment or soft chain segment that form thermoplastic elastomer (TPE) In the similar situation of the skeleton of the main chain of rubber molecule, it is believed that the compatibility of the thermoplastic elastomer (TPE) and rubber is good.Specifically For, for styrene butadiene copolymers rubber (SBR), polystyrene thermoplastic elastomer (TPE) (especially SEBS) can be enumerated Thermoplastic elastomer (TPE) as affine rubber.In addition, for butadiene rubber (BR), Ethylene-Propylene-Diene rubber (EPDM), Thermoplastic elastomer (TPE) of the polyolefin thermoplastic elastomer (TPE) as affine rubber can be enumerated.
In addition, the thermoplastic elastomer (TPE) of affine rubber is preferably imported with acid in a part of molecule of thermoplastic elastomer (TPE) The sour modified thermoplastic elastomer of base (for example, carboxyl).The thermoplastic elastomer (TPE) of affine rubber utilizes thermoplastic by being modified by acid Property resin material in Thermoplastic polyamide elastomer and the modified position of acid interaction, can further improve rubber Micro disperse.
The thermoplastic elastomer (TPE) of affine rubber is the thermoplastic elastomer (TPE) other than Thermoplastic polyamide elastomer, as long as Good thermoplastic elastomer (TPE), is not particularly limited with the compatibility of rubber, for example, polyolefin thermoplastic elastomehc can be enumerated Property body, polystyrene thermoplastic elastomer (TPE), Polyester thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE) etc..Preferably Polyolefin thermoplastic elastomer (TPE), polystyrene thermoplasticity thermoplastic elastomer (TPE).
In the following, to polyolefin thermoplastic elastomer (TPE), the polystyrene of the thermoplastic elastomer (TPE) that may be constructed affine rubber Based thermoplastic elastomer, Polyester thermoplastic elastomer (TPE) and polyurethane series thermoplastic elastomer (TPE) are illustrated.
(polyolefin thermoplastic elastomer (TPE))
Polyolefin thermoplastic elastomer (TPE) is flexible high-molecular compound, is to constitute crystallinity and fusing point by having The copolymer of the polymer of the polymer of the high hard segment soft chain segment low with composition amorphism and glass transition temperature is formed Thermoplastic resin material, and the polymer for constituting hard segment is the polyolefin such as polypropylene, polyethylene.In present embodiment " polyolefin thermoplastic elastomer (TPE) " is identical as the present invention in above-mentioned 2nd viewpoint.
(polystyrene thermoplastic elastomer (TPE))
Polystyrene thermoplastic elastomer (TPE) is flexible high-molecular compound, is to constitute the poly- of hard segment by having Close the thermoplastic resin material that the copolymer of the polymer of the object soft chain segment low with composition amorphism and glass transition temperature is formed Material, and the polymer for constituting hard segment includes polystyrene." polystyrene thermoplastic elastomer (TPE) " in present embodiment with The present invention in above-mentioned 2nd viewpoint is identical.
(Polyester thermoplastic elastomer (TPE))
Polyester thermoplastic elastomer (TPE) in the present invention of 13rd viewpoint is flexible high-molecular compound, is by having There are the polymer for constituting crystallinity and the high hard segment of fusing point and composition amorphism and the low soft chain segment of glass transition temperature The thermoplastic resin material that the copolymer of polymer is formed, and include polyester resin as the polymer for constituting hard segment.This reality " the Polyester thermoplastic elastomer (TPE) " applied in mode is identical as the present invention in above-mentioned 2nd viewpoint.
(polyurethane series thermoplastic elastomer (TPE))
Polyurethane series thermoplastic elastomer (TPE), which can enumerate at least polyurethane and constitute, assembles what formation puppet was crosslinked by physical Hard segment, other polymer constitute the material of amorphism and the low soft chain segment of glass transition temperature.It is " poly- in present embodiment Urethane based thermoplastic elastomer " is identical as the present invention in above-mentioned 2nd viewpoint.
The thermoplastic elastomer (TPE) (z) and rubber of affine rubber in the thermoplastic resin material of 13rd viewpoint of the invention (y) mass ratio (z:y) is preferably 95:5~0:100, more preferably 90:10~0:100.
In addition, in thermoplastic resin material Thermoplastic polyamide elastomer and rubber (in thermoplastic resin material It is the thermoplastic elastomehc of Thermoplastic polyamide elastomer, rubber and affine rubber when thermoplastic elastomer (TPE) comprising affine rubber Property body) total content be not particularly limited, preferably with respect to thermoplastic resin material total amount be 50 matter of mass %~100 Measure %.If the total content is 50 mass % or more relative to the total amount of thermoplastic resin material, heat can be given full play to The characteristic of plastic resin material.
Other heat in thermoplastic resin material, other than also can according to need containing Thermoplastic polyamide elastomer Thermoplastic elastic, thermoplastic resin, various fillers (for example, silica, calcium carbonate, clay), age resister, oil, plasticising The various additives such as agent, colorant, weather resisting agent, reinforcement material.
Thermoplastic resin material in order to obtain, by above-mentioned Thermoplastic polyamide elastomer, rubber, used as needed Thermoplastic elastomer (TPE), additive of affine rubber etc. are mixed in a manner of becoming above-mentioned amount ratio, are kneaded.
The LABOPLASTOMILL of such as Toyo Seiki manufacturing company can be used in the mixing and mixing of each ingredient 50MR double screw extruder.
It can be put into the double screw extruder and vulcanized rubber is carried out to the rubber after Crushing of Ultrafine, it can also be It is mixed with thermoplastic elastomer (TPE) in double screw extruder on one side after being kneaded vulcanizing agent etc. in rubber with Banbury etc. Refining, is vulcanized on one side.It is preferred that being kneaded on one side with thermoplastic elastomer (TPE) in double screw extruder, vulcanized on one side.
The characteristic-of thermoplastic resin material
The tensile elasticity of the JIS K7113:1995 defined of thermoplastic resin material as the 13rd viewpoint of the invention Modulus, preferably 100~1000MPa, further preferably 100~800MPa, particularly preferably 100~700MPa.If hot The tensile modulus of elasticity of plastic resin material is 100~1000MPa, then can be effective while keeping the shape of tyre framework Ground carries out wheel rim assembling.
The tensile yield strength of the JIS K7113:1995 defined of the thermoplastic resin material of 13rd viewpoint of the invention Preferably 5MPa or more, more preferably 5~20MPa, further preferably 5~17MPa.If the stretching of thermoplastic resin material Yield strength is 5MPa or more, then can be resistant to the deformation to the load for being applied to tire in motion etc..
The tensile yield of the JIS K7113:1995 defined of the thermoplastic resin material of 13rd viewpoint of the invention extends Rate is preferably 10% or more, and more preferably 10~70%, further preferably 15~60%.If the drawing of thermoplastic resin material Stretching yield elongation rate is 10% or more, then Hookean region increases, and can improve wheel rim assemblability.
The tensile failure of the JIS K7113:1995 defined of thermoplastic resin material as the 13rd viewpoint of the invention Elongation, preferably 50% or more, more preferably 100% or more, further preferably 150% or more, particularly preferably 200% More than.If the tensile failure elongation of thermoplastic resin material is 50% or more, wheel rim assemblability can be made good, touched It hits survivable.
The load of the ISO75-2 or ASTM D648 defined of thermoplastic resin material as the 13rd viewpoint of the invention Deflection temperature (when load 0.45MPa), preferably 50 DEG C or more, more preferably 50~150 DEG C, further preferably 50~130 ℃.If the temperature of deflection under load of thermoplastic resin material is 50 DEG C or more, even if vulcanized in the manufacture of tire Tyre framework body can also be inhibited to deform.
[resin material for constituting reinforcing cord layer]
The tire of the invention of 13rd viewpoint also can have the peripheral part in tyre framework body along the circumferential direction wind and Form the reinforcement cord component of reinforcing cord layer.
[resin material for constituting reinforcing cord layer] and the 1st viewpoint of aforementioned present invention of 13rd viewpoint of the invention [resin material for constituting reinforcing cord layer] is same.
[13-1 embodiment]
In the following, being illustrated according to tire of the attached drawing to the 13-1 embodiment of the tire of the invention of the 13rd viewpoint.
Here, the tire of 13-1 embodiment is same as above-mentioned 13rd embodiment other than following aspects.Therefore, Same attached drawing and component are illustrated with same symbol and attached drawing.
It includes Thermoplastic polyamide elastomer (the emerging production in space portion that the carcass 17 of present embodiment, which is utilized with mass ratio 70:30, " the UBESTA XPA9055X1 " of Co. Ltd. system) and the thermoplastic resin material of butadiene rubber (BR) formed.This embodiment party Carcass 17 is only formed by the thermoplastic resin material of the invention of the 13rd viewpoint in formula, but the present invention of the 13rd viewpoint does not limit , can also be same as the previous common pneumatic tire of rubber system in this composition, carcass 17 each position (sidewall 14, Crown part 16, bead part 12 etc.) use other thermoplastic resin materials with different characteristic.It is and above-mentioned for other aspects The tire of 13rd embodiment is same, and manufacturing method is also the same.
(effect)
It include polyamide-based thermoplasticity since carcass 17 is utilized with mass ratio 70:30 in the tire 10 of present embodiment The thermoplastic resin material of elastomer (" the UBESTA XPA9055X1 " of Ube Industries, Ltd) and butadiene rubber (BR) Material is formed, therefore impact resistance, tensile modulus of elasticity and tensile strength.Thus, the tire 10 of present embodiment is durable Property is excellent.In turn, lighter than previous rubber weight, it can reduce tan δ.Thus, the tire 10 of present embodiment can be with lightweight Change, may also suppress rolling resistance, therefore the specific fuel consumption of the automobile using such tire can be improved.
In addition, the Thermoplastic polyamide elastomer of one of constituent as thermoplastic resin material is to reinforcing cord 26 adaptation is high, and the fixed performances such as heat seal strength are excellent.Therefore, it is residual can to inhibit to reinforce air in cord rolling step Stay in the phenomenon that reinforcing 26 surrounding of cord (air entrance).If high to the adaptation and weldability of reinforcing cord 26 and can Inhibit air to enter and reinforce cord component periphery, then can effectively inhibit by input power when driving etc. and cause to reinforce curtain Line 26 is mobile.Even as a result, for example, being arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body It the case where tire member of formation, also can inhibit that reinforce cord component mobile, therefore, can inhibit between these components (comprising wheel tire bone Frame body) peeling-off etc., the durability of tire 10 improves.
In addition, in the tire 10 of present embodiment, due to the crown in the carcass 17 formed by thermoplastic resin material The outer peripheral surface in portion 16 along the circumferential direction spirally winds high reinforcement cord 26 rigidly than thermoplastic elastomer (TPE) and therefore can mention The circumferencial direction rigidity of high puncture, resistance to incised wound property and tire 10.It should be noted that passing through the circumference for improving tire 10 Direction rigidity, can prevent the creep of carcass 17 formed by thermoplastic resin material.
In addition, at least part reinforces cord in the sectional view (section shown in FIG. 1) of the axis direction along carcass 17 26 are embedded in the outer peripheral surface and and thermoplastic resin material of the crown part 16 of the carcass 17 formed by thermoplastic resin material It is closely sealed, therefore can inhibit the entrance of air when manufacture, it can inhibit by input power when driving etc. and cause to reinforce cord 26 to move It is dynamic.It can inhibit as a result, and reinforce that cord 26, carcass 17 and tyre surface 30 are peeling-off etc., the durability of tire 10 improves.
Moreover, as shown in Fig. 2, due to reinforce cord 26 embedded amount L be diameter D 1/5 or more, can effectively press down Air when system manufacture enters, and can further suppress by input power when driving etc. and cause to reinforce cord 26 mobile.
Reinforcing cord layer 28 includes thermoplastic resin material to reinforce cord 26 with being fixed with buffering adhesive when constituting like this The case where it is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore can further will reinforce cord 26 it is close Conjunction is fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively inhibit and reinforce when driving Cord component is mobile.
In turn, in the case where reinforcing cord component is all-steel cord, since cord can will be reinforced when tire is handled 26 are easily separated recycling by heating from thermoplastic resin material, are to have in terms of the recycling property of tire 10 therefore Benefit.In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes to be permitted The rollability of tire then can be improved in more resin materials.In turn, with the higher resin material of vulcanized rubber resilience in comparison modular ratio Have the advantages that control stability, abrasion resistence when inplane shear rigid greatly, tire running are also excellent.
In addition, due to constituting the tyre surface contacted with road surface with the rubber material for having abrasion resistence than thermoplastic resin material 30, therefore the abrasion resistence of tire 10 improves.
In turn, due to being embedded with the cricoid bead core 18 formed by metal material in bead part 12, and it is previous The pneumatic tire of rubber system is same, and carcass 17, i.e. tire 10 can be firmly held with respect to wheel rim 20.
Furthermore due to being equipped in the part of bead part 12 contacted with wheel rim 20 by having leakproofness than thermoplastic resin material The sealant 24 that constitutes of rubber material, therefore, leakproofness between tire 10 and wheel rim 20 improves.Therefore, and with wheel rim 20 It is compared with the case where thermoplastic resin material sealing, the air leakage in tire can be further suppressed.In addition, passing through setting sealing Layer 24, wheel rim installation also improves.
In above embodiment, it is set as the portion that heating reinforces cord 26 and contacts warmed-up reinforcement cord 26 Point thermoplastic resin material melting or softening composition, but the 13rd viewpoint the present invention is not limited to this composition, can also be with The periphery for reinforcing the crown part 16 of cord 26 is buried with the heating of hot wind generating means in the case where not heating and reinforcing cord 26 Then face will reinforce cord 26 and be embedded in the mode of crown part 16 being arranged.
In addition, the heat source of cord heating device 59 is set as heater and fan, but the 13rd in 13-1 embodiment Viewpoint the present invention is not limited to this composition, also can be set as directly heating reinforcement with radiant heat (for example, infrared ray etc.) The composition of cord 26.
In turn, in 13-1 embodiment, be set as being embedded with the thermoplastic resin material melting for reinforcing cord 26 or The part softened forces cooling composition with metal 2nd roller 64, but the 13rd viewpoint the present invention is not limited to the structures At, also can be set as melting thermoplastic resin material or the part that has softened directly is blown a cold wind over and by thermoplastic resin material Melting or the part that has softened force the composition of cooling and solidifying.
In addition, being set as the composition heated to reinforcement cord 26, but also can be set as in 13-1 embodiment Such as the composition for covering the periphery for reinforcing cord 26 with thermoplastic resin material identical with carcass 17, in this case, Will cover reinforce cord be wrapped in the crown part 16 of carcass 17 when, with reinforce cord 26 together, the thermoplastic resin material of covering Material also heats, it is possible thereby to which the air effectively inhibited when burying to crown part 16 enters.
In addition, reinforcing cord 26, to be wound in a spiral in manufacture upper simple, but also it is contemplated that making to reinforce cord 26 in width direction Discontinuous method etc..
The tire 10 of 13-1 embodiment is and bead part 12 is installed on wheel rim 20 in tire 10 and wheel rim 20 Between formed air chamber so-called tubeless tyre, but the 13rd viewpoint the present invention is not limited to this composition, be also possible to Whole inner tube of a tyre shape.
More than, it enumerates embodiment and the embodiments of the present invention of the 13rd viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 13rd viewpoint Interest field be not limited to these embodiments certainly.
[13-2 embodiment]
In the following, according to attached drawing to the manufacturing method of the tire of the invention of the 13rd viewpoint and the 13-2 embodiment of tire It is illustrated.The tire of present embodiment is same as above-mentioned 13-1 embodiment, shows and previous common rubber system The substantially same section shape of pneumatic tire.Here, the tire of 13-2 embodiment is other than following aspects with above-mentioned 13 embodiments are same.Therefore, same attached drawing and component are illustrated with same symbol and attached drawing.
The tire of 13-2 embodiment is same as above-mentioned 13-1 embodiment, and carcass 17 is by with mass ratio 70:30 packet Containing Thermoplastic polyamide elastomer (" the UBESTA XPA9055X1 " of Ube Industries, Ltd) and butadiene rubber (BR) thermoplastic resin material is formed.For other aspects, manufacturing method same as the tire of above-mentioned 13rd embodiment Equally.
In addition, covering is preferably set to the springform to form the resin material of carcass 17 with the elasticity modulus of resin material 27 In the range of 0.1 times~10 times of amount.It with the elasticity modulus of resin material 27 is the thermoplastic resin to form carcass 17 in covering In 10 times of situations below of the elasticity modulus of material, crown part will not become progress wheel rim assembling really up to the mark and easy.In addition, Covering is to form the thermoplastic resin material of carcass 17 0.1 times or more of elasticity modulus with the elasticity modulus of resin material 27 In the case of, the resin for constituting reinforcing cord layer 28 will not be excessively soft, and belt inplane shear excellent rigidity, steering force improve.It needs Illustrate, in present embodiment, as covering resin material 27, uses material same as thermoplastic resin material (this It is that amide based thermoplastic the elastomer (" UBESTA of Ube Industries, Ltd is included with mass ratio 70:30 in embodiment XPA9055X1 ") and butadiene rubber (BR) thermoplastic resin material).
(effect)
It include polyamide-based thermoplasticity since carcass 17 is utilized with mass ratio 70:30 in the tire 200 of present embodiment The thermoplastic resin material of elastomer and rubber is formed, therefore, excellent impact resistance, and tensile modulus of elasticity and stretching are strong It spends also excellent.Thus, the excellent in te pins of durability of the tire 10 of present embodiment.In turn, lighter than previous rubber weight, it can reduce tanδ.Thus, the tire 200 of present embodiment can may also suppress rolling resistance with lighting, therefore can improve using in this way Tire automobile specific fuel consumption.
In addition, reinforcing cord layer 28 includes covering cord component 26B to reinforce curtain with only using buffering adhesive 29 to fix when constituting The case where line 26A, is small compared to the difference for the hardness that can make carcass 17 and reinforcing cord layer 28, therefore will can further cover curtain Line components 26B is closely sealed to be fixed on carcass 17.Enter thus, it is possible to be effectively prevented above-mentioned air, can effectively press down It is mobile that system reinforces cord component when driving.
In turn, reinforce in the case that cord component is all-steel cord, due to can be by cord component 26A when tire is handled It is easily separated recycling from covering cord component 26B by heating, is to have in terms of the recycling property of tire 200 therefore Benefit.In addition, resin material is usually lower than the loss factor of vulcanized rubber (Tan δ).Therefore, if reinforcing cord layer includes to be permitted The rollability of tire then can be improved in more resin materials.In turn, with the higher resin material of vulcanized rubber resilience in comparison modular ratio Have the advantages that control stability, abrasion resistence when inplane shear rigid greatly, tire running are also excellent.
In the manufacturing method of the tire of present embodiment, carcass 17, buffering adhesive 29 and tread-rubber 30A is integrated When, since the outer peripheral surface 17S of carcass 17 is roughened, using anchor effect, zygosity (cementability) is improved.In addition, Resin material due to forming carcass 17 is excavated because projecting the collision of material, the wetability of cement improves.By This, cement is to be uniformly coated with the outer peripheral surface 17S that state is maintained at carcass 17, it can be ensured that carcass 17 and buffering adhesive 29 connect Close intensity.
Even if especially constituting bumps in the outer peripheral surface 17S of carcass 17, material impacts recess portion (gap is projected by making 28A), (recess, concave bottom) is also roughened around recess portion, it can be ensured that the bond strength of carcass 17 and buffering adhesive 29.
On the other hand, in the region being roughened due to the outer peripheral surface 17S that buffering adhesive 29 is laminated in carcass 17, because This, can effectively ensure that the bond strength of carcass 17 and buffering adhesive.
In vulcanization process, when vulcanizing buffering adhesive 29, buffering adhesive 29 flows into the outer peripheral surface by roughening treatment in carcass 17 In the roughening bumps that 17S is formed.Moreover, when vulcanisation has been completed, by flowing into the concave-convex buffering adhesive 29 of roughening, fixed effect can be played The bond strength of fruit, carcass 17 and buffering adhesive 29 improves.
The tire 200 manufactured with the manufacturing method of such tire can ensure that the bond strength of carcass 17 and buffering adhesive 29, That is, by buffering adhesive 29, it can be ensured that the bond strength of carcass 17 and tyre surface 30.It can inhibit the tire of equal tires 200 when driving as a result, Removing between the outer peripheral surface 17S and buffering adhesive 29 of body 17.
In addition, since reinforcing cord layer 28 constitutes the peripheral part of carcass 17, and with the object other than reinforcing cord layer 28 Texture is compared at the case where peripheral part, and puncture and resistance to incised wound property improve.
In addition, reinforcing cord layer 28 is formed due to winding covering cord component 26B, the circumferencial direction of tire 200 Rigidity improves.By improving circumferencial direction rigidity, creep (under the certain stress plastic deformation of carcass 17 of carcass 17 can inhibit The phenomenon that increasing over time), also, the resistance to pressure of the air pressure from tire radial direction inner side is improved.
In present embodiment, constituted in the outer peripheral surface 17S of carcass 17 it is concave-convex, but the 13rd viewpoint the present invention is not limited to This, also can be set as the composition for being formed flatly outer peripheral surface 17S.
In addition, carcass 17 can also be to cover the crown part for winding and being bonded on carcass with covering thermoplastic material The mode of covering cord component forms reinforcing cord layer.It in this case, can be by melting or the covering thermoplastic of soft state Property material is ejected on reinforcing cord layer 28 and forms coating.Alternatively, it is also possible to be melted in the case where not using extruder Contact pin heats and forms melting or soft state, is then attached to the surface (outer peripheral surface) of reinforcing cord layer 28 and forms covering Layer.
In above-mentioned 13-2 embodiment, it is set as engaging carcass dividing body (carcass halfbody 17A) and forming carcass 17 Composition, but the 13rd viewpoint the present invention is not limited to this composition, the integrally formed carcass 17 such as mold can also be used.
The tire 200 of 13-2 embodiment is and bead part 12 is installed on wheel rim 20 in tire 200 and wheel rim Between 20 formed air chamber so-called tubeless tyre, but the 13rd viewpoint the present invention is not limited to this composition, tires 200 It can be for example complete inner tube of a tyre shape.
In 13-2 embodiment, buffering adhesive 29, but this hair of the 13rd viewpoint are configured between carcass 17 and tyre surface 30 It is bright to be not limited to this, it also can be set as the composition that buffering adhesive 29 is not configured.
In addition, being set as covering the structure of cord component 26B to 16 spirally winding of crown part in 13-2 embodiment At, but the present invention is not limited thereto for the 13rd viewpoint, also can be set as discontinuous in width direction to cover cord component 26B The composition that winds of mode.
In 13-2 embodiment, it is set as the covering resin material 27 for forming covering cord component 26B being set as Thermoplastic material forms melting with resin material 27 by heating the covering or melts covering cord component 26B and soft state Connect the composition in the outer peripheral surface of crown part 16, but the 13rd viewpoint the present invention is not limited to this composition, also can be set as Covering cord component 26B is bonded in in the case where not heating covering resin material 27 with bonding agent etc. the periphery of crown part 16 The composition in face.
Furthermore it is also possible to be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, in the case where not heating covering cord component 26B, bonding agent etc. is bonded in the composition of the outer peripheral surface of crown part 16.
In turn, it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermosetting property tree Rouge, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 It forms melting or soft state and cord component 26B welding will be covered in the outer peripheral surface of crown part 16.
Furthermore it also can be set as the covering resin material 27 for forming covering cord component 26B being set as thermoplasticity material Material, the composition that carcass 17 is formed with thermoplastic resin material.In such a case, it is possible to which cord component will be covered with bonding agent etc. 26B is bonded in the outer peripheral surface of crown part 16, can also heat to the position for being equipped with covering cord component 26B of carcass 17 Melting or soft state are formed, while covering is carried out being thermally formed melting or soft state with resin material 27 and curtain will be covered Outer peripheral surface of the line components 26B welding in crown part 16.It should be noted that carcass 17 and covering cord component 26B this two Person carries out in the case where being thermally formed melting or soft state, and bond strength improves due to the two mixes well.Separately Outside, the covering resin material 27 of the resin material and formation covering cord component 26B that form carcass 17 is being set as heat In the case where plastic resin material, preferably same kind of thermoplastic material, especially identical thermoplastic material.
Alternatively, it is also possible to and then to the outer peripheral surface 17S sided corona treatment of the carcass 17 for having carried out roughening treatment, at plasma Reason etc. is by the surface active of outer peripheral surface 17S, the coating adhesive after improving hydrophily.
Furthermore the sequence for manufacturing tire 200 is not limited to the sequence of 13-2 embodiment, can also suitably be become More.
More than, it enumerates embodiment and the embodiments of the present invention of the 13rd viewpoint is illustrated, but these embodiment party Formula is an example, can carry out numerous variations to implement in the range of without departing from main idea.In addition, the present invention of the 13rd viewpoint Interest field be not limited to these embodiments certainly.
More than, although with 13-1 embodiment and 13-2 embodiment to the concrete mode of the invention of the 13rd viewpoint Be illustrated, but the 13rd viewpoint the present invention is not limited to aforesaid ways.
The tire of the invention of 1st viewpoint can be constituted as shown in 1-1 embodiment as got off.
The tire of the invention of (1-1-1) the 1st viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the outer of the tyre framework body formed by thermoplastic resin material Circumference.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(1-1-2) for the 1st viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(1-1-3) sees the tire of the invention of the 1st viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (1-1-4) the 1st viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim (bead seat) and wheel rim flange (rim flange), is buried in the bead part Equipped with the cricoid bead core being made of metal material.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(1-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 1st viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The tire of the invention of (1-1-6) the 1st viewpoint can be manufactured by manufacturing method below, the manufacturing method Including at least following process: tyre framework piece formation process utilizes the thermoplastic resin comprising Thermoplastic polyamide elastomer Material forms the tyre framework piece for constituting a part of cricoid tyre framework body；Tyre framework chip bonding process, to the wheel The joint surface of tire matrix tablet applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the tyre framework Body；Reinforce cord component rolling step, the tyre framework body peripheral part along the circumferential direction wind reinforcement cord component from And form reinforcing cord layer.
In the manufacturing method, it can use the thermoplastic resin material comprising Thermoplastic polyamide elastomer and form ring The tyre framework piece of the tyre framework body of shape.Due to the fusing point of Thermoplastic polyamide elastomer can be set in 100 DEG C~ 250 DEG C or so, therefore, it may not be necessary to such as 300 DEG C or more implement tyre framework piece fusion bonding process and relatively low At a temperature of implement fusion bonding process.Since fusion bonding process can be implemented at relatively low temperatures in this way, in capacity usage ratio Etc. in viewpoints, the productivity of tire can be improved.In addition, the tyre framework piece using Thermoplastic polyamide elastomer is carrying out Welding and when forming tyre framework body, the adhesive strength between tyre framework piece is abundant, in addition, will not temperature when welding due to The performance of skeleton body itself is caused to deteriorate, it is thus possible to improve the puncture of manufactured tire, abrasion resistence etc. are when driving Durability.
The manufacturing method of (1-1-7) described tire can be constituted as got off, will in the tyre framework chip bonding process The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more (for example, molten + 10 DEG C~+150 DEG C of point).
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (1-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (1-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (1-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (1-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (1-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(1-1-13) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 1st viewpoint can such as get off as illustrated in 1-2 embodiment.
The tire of the invention of (1-2-1) the 1st viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use includes polyamide-based thermoplastic Property elastomer the outer peripheral surface of cricoid tyre framework body that is formed of thermoplastic resin material, formed in the outer peripheral surface fine thick Change concave-convex.It should be noted that the outer peripheral surface for projecting material impacts tyre framework body will be made and form fine roughening bumps Processing is known as roughening treatment.Thereafter, rubber component is constituted by cement stacking tire in the outer peripheral surface for carrying out roughening treatment. Here, when tyre framework body and tire are constituted rubber component integration, since the outer peripheral surface of tyre framework body is roughened place Reason, therefore, using anchor effect, zygosity (cementability) is improved.In addition, since the resin material for forming tyre framework body is because throwing It penetrates the collision of material and is excavated, therefore, the wetability of outer peripheral surface improves.Cement is as a result, to be uniformly coated with state holding In the outer peripheral surface of tyre framework body, it can be ensured that the bond strength of tyre framework body and tire composition rubber component.
(1-2-2) for the tire of the invention of the 1st viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(1-2-3) for the tire of the invention of the 1st viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce covering cord component obtained from cord along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(1-2-4) for the tire of the invention of the 1st viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (1-2-5) the 1st viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (1-2-6) the 1st viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(1-2-7) constitutes rubber component as the tire, can be used not for the tire of the invention of the 1st viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (1-2-8) the 1st viewpoint can be constituted as got off, and have: use includes polyamide-based heat It is that the thermoplastic resin material of thermoplastic elastic is formed, make granular projection material impacts outer peripheral surface and to outer peripheral surface progress The cricoid tyre framework body of roughening treatment；In the tire that the outer peripheral surface for having carried out roughening treatment is laminated by cement Constitute rubber component.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 2nd viewpoint can be constituted as shown in 2-1 embodiment as got off.
The tire of the invention of (2-1-1) the 2nd viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the outer of the tyre framework body formed by thermoplastic resin material Circumference.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(2-1-2) for the 2nd viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(2-1-3) sees the tire of the invention of the 2nd viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (2-1-4) the 2nd viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(2-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 2nd viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The tire of the invention of (2-1-6) the 2nd viewpoint can be manufactured by manufacturing method below, the manufacturing method Including at least following process: tyre framework piece formation process, using including Thermoplastic polyamide elastomer and other elastomers Thermoplastic resin material form the tyre framework piece for constituting a part of cricoid tyre framework body；Tyre framework chip bonding work Sequence applies heat to the joint surface of the tyre framework piece to make the tyre framework piece welding described above of pairs of 2 and is formed The tyre framework body；Reinforce cord component rolling step, along the circumferential direction winds and add in the peripheral part of the tyre framework body Strong cord component is to form reinforcing cord layer.
In the manufacturing method, the thermoplastic resin comprising Thermoplastic polyamide elastomer and other elastomers can use Rouge material forms the tyre framework piece of cricoid tyre framework body.Due to that the fusing point of thermoplastic resin material can be set in 100 DEG C~250 DEG C or so, therefore, it may not be necessary to such as 300 DEG C or more implement tyre framework piece fusion bonding process and than Implement fusion bonding process at lower temperature.Since fusion bonding process can be implemented at relatively low temperatures in this way, can be with It prevents that the productivity of tire can be improved in the viewpoints such as resin deterioration, capacity usage ratio.In addition, using polyamide-based thermoplasticity For the tyre framework piece of elastomer when progress welding forms tyre framework body, the adhesive strength between tyre framework piece is abundant, In addition, the performance of skeleton body itself will not be caused to deteriorate due to temperature when welding, it is thus possible to improve manufactured tire The durability when driving such as puncture, abrasion resistence.
In (2-1-7) described manufacturing method, it can be constituted as got off, in the tyre framework chip bonding process, by institute More than the fusing point for the thermoplastic resin material that the joint surface for stating tyre framework piece is heated to composition tyre framework piece (for example, fusing point+ 10 DEG C~+150 DEG C).
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (2-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (2-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (2-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (2-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (2-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(2-1-13) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 2nd viewpoint can such as get off as illustrated in 2-2 embodiment.
The tire of the invention of (2-2-1) the 2nd viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use includes polyamide-based thermoplastic Property elastomer and other elastomers thermoplastic resin material formed cricoid tyre framework body outer peripheral surface, in the outer peripheral surface It is concave-convex to form fine roughening.It should be noted that the outer peripheral surface for projecting material impacts tyre framework body will be made and formed fine The concave-convex processing of roughening be known as roughening treatment.Thereafter, tire is laminated by cement in the outer peripheral surface for carrying out roughening treatment Constitute rubber component.Here, outer due to tyre framework body when tyre framework body and tire are constituted rubber component integration Circumferential surface is roughened, and therefore, using anchor effect, zygosity (cementability) is improved.In addition, due to forming tyre framework body Resin material is excavated because projecting the collision of material, and therefore, the wetability of outer peripheral surface improves.Cement is as a result, with uniform Coating state is maintained at the outer peripheral surface of tyre framework body, it can be ensured that the engagement of tyre framework body and tire composition rubber component is strong Degree.
(2-2-2) for the tire of the invention of the 2nd viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(2-2-3) for the tire of the invention of the 2nd viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(2-2-4) for the tire of the invention of the 2nd viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (2-2-5) the 2nd viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (2-2-6) the 2nd viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(2-2-7) constitutes rubber component as the tire, can be used not for the tire of the invention of the 2nd viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (2-2-8) the 2nd viewpoint can be constituted as got off, and have: use includes polyamide-based heat It is that the thermoplastic resin material of thermoplastic elastic and other elastomers is formed, make granular projection material impacts outer peripheral surface and right The outer peripheral surface has carried out the cricoid tyre framework body of roughening treatment；In the outer peripheral surface for having carried out roughening treatment by engagement The folded tire of oxidant layer constitutes rubber component.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 3rd viewpoint can be constituted as shown in 3-1 embodiment as got off.
The tire of the invention of (3-1-1) the 3rd viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the thermoplastic resin material shape of the invention by the 3rd viewpoint At tyre framework body peripheral part.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(3-1-2) for the 3rd viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(3-1-3) sees the tire of the invention of the 3rd viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (3-1-4) the 3rd viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(3-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 3rd viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The manufacturing method of the tire of the invention of (3-1-6) the 3rd viewpoint can be at least made of following process: tyre framework Piece formation process forms the tyre framework piece for constituting a part of cricoid tyre framework body, institute using thermoplastic resin material Stating thermoplastic resin material includes: Thermoplastic polyamide elastomer, and to the Thermoplastic polyamide elastomer other than Thermoplastic elastomer (TPE) carries out the heat other than acid modified elastomer or the Thermoplastic polyamide elastomer obtained from acid is modified Thermoplastic elastic and the mixture that acid modified elastomer obtained from acid is modified is carried out to the elastomer；Tyre framework chip bonding work Sequence applies heat to the joint surface of the tyre framework piece to make the tyre framework piece welding described above of pairs of 2 and is formed The tyre framework body；Reinforce cord component rolling step, along the circumferential direction winds and add in the peripheral part of the tyre framework body Strong cord component is to form reinforcing cord layer.
The manufacturing method of (3-1-7) described tire can be constituted as got off, will in the tyre framework chip bonding process The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (3-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (3-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (3-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (3-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (3-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(3-1-13) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 3rd viewpoint can such as get off as illustrated in 3-2 embodiment.
The tire of the invention of (3-2-1) the 3rd viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use thermoplastic resin material shape At cricoid tyre framework body outer peripheral surface, it is concave-convex to form fine roughening in the outer peripheral surface.It should be noted that will make to throw It penetrates the outer peripheral surface of material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, into Gone roughening treatment outer peripheral surface by cement stacking tire constitute rubber component.Here, by tyre framework body and tire When constituting rubber component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, engagement Property (cementability) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, because This, the wetability of outer peripheral surface improves.Cement, can be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body as a result, To ensure that tyre framework body and tire are constituted the bond strength of rubber component.
(3-2-2) for the tire of the invention of the 3rd viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(3-2-3) for the tire of the invention of the 3rd viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(3-2-4) for the tire of the invention of the 3rd viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (3-2-5) the 3rd viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (3-2-6) the 3rd viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(3-2-7) constitutes rubber component as the tire, can be used not for the tire of the invention of the 3rd viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (3-2-9) the 3rd viewpoint can be constituted as got off, and be had: using the present invention of the 3rd viewpoint Thermoplastic resin material formed, make granular projection material impacts outer peripheral surface and roughening treatment carried out to the outer peripheral surface Cricoid tyre framework body；Rubber structure is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment Part.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
In addition, the tire of the invention of the 4th viewpoint can be constituted as shown in 4-1 embodiment as got off.
The tire of the invention of (4-1-1) the 4th viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the outer of the tyre framework body formed by thermoplastic resin material Circumference.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(4-1-2) for the 4th viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(4-1-3) sees the tire of the invention of the 4th viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (4-1-4) the 4th viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(4-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 4th viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The tire of the invention of (4-1-6) the 4th viewpoint can be manufactured by manufacturing method below, the manufacturing method Including at least following process: tyre framework piece formation process is formed using the thermoplastic resin material and constitutes cricoid tire The tyre framework piece of a part of skeleton body；Tyre framework chip bonding process applies heat to the joint surface of the tyre framework piece The tyre framework body is formed to make the tyre framework piece welding described above of pairs of 2；Reinforce cord component and winds work Sequence along the circumferential direction winds in the peripheral part of the tyre framework body and reinforces cord component to form reinforcing cord layer.
In (4-1-7) described manufacturing method, it can be constituted as got off, in the tyre framework chip bonding process, by institute More than the fusing point for the thermoplastic resin material that the joint surface for stating tyre framework piece is heated to composition tyre framework piece (for example, fusing point+ 10 DEG C~+150 DEG C).
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (4-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (4-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (4-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (4-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (4-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(4-1-13) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 4th viewpoint can such as get off as illustrated in 4-2 embodiment.
The tire of the invention of (4-2-1) the 4th viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use the thermoplastic resin material It is concave-convex to form fine roughening in the outer peripheral surface for the outer peripheral surface for expecting the cricoid tyre framework body formed.It should be noted that will Make the outer peripheral surface for projecting material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, Rubber component is constituted by cement stacking tire in the outer peripheral surface for carrying out roughening treatment.Here, by tyre framework body and When tire constitutes rubber component integration, since the outer peripheral surface of tyre framework body is roughened, using anchor effect, Zygosity (cementability) improves.In addition, since the thermoplastic resin material for forming tyre framework body is due to projecting the collision of material It is excavated, therefore, the wetability of outer peripheral surface improves.Cement is maintained at tyre framework body to be uniformly coated with state as a result, Outer peripheral surface, it can be ensured that the bond strength of tyre framework body and tire composition rubber component.
(4-2-2) for the tire of the invention of the 4th viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(4-2-3) for the tire of the invention of the 4th viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(4-2-4) for the tire of the invention of the 4th viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (4-2-5) the 4th viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (4-2-6) the 4th viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(4-2-7) constitutes rubber component as the tire, can be used not for the tire of the invention of the 4th viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (4-2-8) the 4th viewpoint can be constituted as got off, and be had: use the resin material shape At, make granular projection material impacts outer peripheral surface and carried out the cricoid tyre framework of roughening treatment to the outer peripheral surface Body；Rubber component is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
More than, the concrete mode of the invention of the 4th viewpoint is carried out with 4-1 embodiment and 4-2 embodiment Illustrate, but the 4th viewpoint the present invention is not limited to aforesaid ways.
In addition, the tire of the invention of the 5th viewpoint can be constituted as shown in 5-1 embodiment as got off.
The tire of the invention of (5-1-1) the 5th viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the outer of the tyre framework body formed by thermoplastic resin material Circumference.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(5-1-2) for the 5th viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(5-1-3) sees the tire of the invention of the 5th viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (5-1-4) the 5th viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(5-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 5th viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The tire of the invention of (5-1-6) the 5th viewpoint can be manufactured by manufacturing method below, the manufacturing method Including at least following process: tyre framework piece formation process is formed using the thermoplastic resin material and constitutes cricoid tire The tyre framework piece of a part of skeleton body；Tyre framework chip bonding process applies heat to the joint surface of the tyre framework piece The tyre framework body is formed to make the tyre framework piece welding described above of pairs of 2；Reinforce cord component and winds work Sequence along the circumferential direction winds in the peripheral part of the tyre framework body and reinforces cord component to form reinforcing cord layer.
In (5-1-7) described manufacturing method, it can be constituted as got off, in the tyre framework chip bonding process, by institute More than the fusing point for the thermoplastic resin material that the joint surface for stating tyre framework piece is heated to composition tyre framework piece (for example, fusing point+ 10 DEG C~+150 DEG C).
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (5-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (5-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (5-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (5-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (5-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(5-1-13) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 5th viewpoint can such as get off as illustrated in 5-2 embodiment.
The tire of the invention of (5-2-1) the 5th viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use the thermoplastic resin material It is concave-convex to form fine roughening in the outer peripheral surface for the outer peripheral surface for expecting the cricoid tyre framework body formed.It should be noted that will Make the outer peripheral surface for projecting material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, Rubber component is constituted by cement stacking tire in the outer peripheral surface for carrying out roughening treatment.Here, by tyre framework body and When tire constitutes rubber component integration, since the outer peripheral surface of tyre framework body is roughened, using anchor effect, Zygosity (cementability) improves.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, Therefore, the wetability of outer peripheral surface improves.Cement to be as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, It may insure that tyre framework body and tire constitute the bond strength of rubber component.
(5-2-2) for the tire of the invention of the 5th viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(5-2-3) for the tire of the invention of the 5th viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(5-2-4) for the tire of the invention of the 5th viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (5-2-5) the 5th viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (5-2-6) the 5th viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(5-2-7) constitutes rubber component as the tire, can be used not for the tire of the invention of the 5th viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (5-2-8) the 5th viewpoint can be constituted as got off, and had: being formed with the resin material , make granular projection material impacts outer peripheral surface and carried out the cricoid tyre framework body of roughening treatment to the outer peripheral surface； Rubber component is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
More than, the concrete mode of the invention of the 5th viewpoint is carried out with 5-1 embodiment and 5-2 embodiment Illustrate, but the 5th viewpoint the present invention is not limited to aforesaid ways.
In addition, the tire of the invention of the 6th viewpoint can be constituted as shown in 6-1 embodiment as got off.
The tire of the invention of (6-1-1) the 6th viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the outer of the tyre framework body formed by thermoplastic resin material Circumference.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(6-1-2) for the 6th viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(6-1-3) sees the tire of the invention of the 6th viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (6-1-4) the 6th viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(6-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 6th viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The tire of the invention of (6-1-6) the 6th viewpoint can be manufactured by manufacturing method below, the manufacturing method Including at least following process: tyre framework piece formation process is formed using the thermoplastic resin material and constitutes cricoid tire The tyre framework piece of a part of skeleton body；Tyre framework chip bonding process applies heat to the joint surface of the tyre framework piece The tyre framework body is formed to make the tyre framework piece welding described above of pairs of 2；Reinforce cord component and winds work Sequence along the circumferential direction winds in the peripheral part of the tyre framework body and reinforces cord component to form reinforcing cord layer.
In (6-1-7) described manufacturing method, it can be constituted as got off, in the tyre framework chip bonding process, by institute More than the fusing point for the thermoplastic resin material that the joint surface for stating tyre framework piece is heated to composition tyre framework piece (for example, fusing point+ 10 DEG C~+150 DEG C).
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (6-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (6-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (6-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (6-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (6-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(6-1-13) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 6th viewpoint can such as get off as illustrated in 6-2 embodiment.
The tire of the invention of (6-2-1) the 6th viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use the thermoplastic resin material It is concave-convex to form fine roughening in the outer peripheral surface for the outer peripheral surface for expecting the cricoid tyre framework body formed.It should be noted that will Make the outer peripheral surface for projecting material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, Rubber component is constituted by cement stacking tire in the outer peripheral surface for carrying out roughening treatment.Here, by tyre framework body and When tire constitutes rubber component integration, since the outer peripheral surface of tyre framework body is roughened, using anchor effect, Zygosity (cementability) improves.In addition, since the thermoplastic resin material for forming tyre framework body is due to projecting the collision of material It is excavated, therefore, the wetability of outer peripheral surface improves.Cement is maintained at tyre framework body to be uniformly coated with state as a result, Outer peripheral surface, it can be ensured that the bond strength of tyre framework body and tire composition rubber component.
(6-2-2) for the tire of the invention of the 6th viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(6-2-3) for the tire of the invention of the 6th viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(6-2-4) for the tire of the invention of the 6th viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (6-2-5) the 6th viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (6-2-6) the 6th viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(6-2-7) constitutes rubber component as the tire, can be used not for the tire of the invention of the 6th viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (6-2-8) the 6th viewpoint can be constituted as got off, and had: being formed with the resin material , make granular projection material impacts outer peripheral surface and carried out the cricoid tyre framework body of roughening treatment to the outer peripheral surface； Rubber component is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
More than, the concrete mode of the invention of the 6th viewpoint is carried out with 6-1 embodiment and 6-2 embodiment Illustrate, but the 6th viewpoint the present invention is not limited to aforesaid ways.
The tire of the invention of 7th viewpoint can be constituted as shown in 7-1 embodiment as got off.
The tire of the invention of (7-1-1) the 7th viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the thermoplastic resin material shape of the invention by the 7th viewpoint At tyre framework body peripheral part.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(7-1-2) for the 7th viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(7-1-3) sees the tire of the invention of the 7th viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (7-1-4) the 7th viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(7-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 7th viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The manufacturing method of the tire of the invention of (7-1-6) the 7th viewpoint can be at least made of following process: tyre framework Piece formation process forms the tyre framework piece for constituting a part of cricoid tyre framework body, institute using thermoplastic resin material State thermoplastic resin material include Thermoplastic polyamide elastomer (for example, Ube Industries, Ltd " UBESTA, XPA9055X1 ") and polyamide-based thermoplastic resin (for example, " UBESTA, the 3014U " of Ube Industries, Ltd) is mixed Condensation material；Tyre framework chip bonding process applies heat to the joint surface of the tyre framework piece to make 2 or more pairs of institutes It states the welding of tyre framework piece and forms the tyre framework body；Reinforce cord component rolling step, in the tyre framework body Peripheral part, which is along the circumferential direction wound, reinforces cord component to form reinforcing cord layer.
The manufacturing method of (7-1-7) described tire can be constituted as got off, will in the tyre framework chip bonding process The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (7-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (7-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (7-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (7-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (7-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(7-1-13) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 7th viewpoint can such as get off as illustrated in 7-2 embodiment.
The tire of the invention of (7-2-1) the 7th viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use thermoplastic resin material shape At cricoid tyre framework body outer peripheral surface, it is concave-convex to form fine roughening in the outer peripheral surface.It should be noted that will make to throw It penetrates the outer peripheral surface of material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, into Gone roughening treatment outer peripheral surface by cement stacking tire constitute rubber component.Here, by tyre framework body and tire When constituting rubber component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, engagement Property (cementability) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, because This, the wetability of outer peripheral surface improves.Cement, can be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body as a result, To ensure that tyre framework body and tire are constituted the bond strength of rubber component.
(7-2-2) for the tire of the invention of the 7th viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(7-2-3) for the tire of the invention of the 7th viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(7-2-4) for the tire of the invention of the 7th viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (7-2-5) the 7th viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (7-2-6) the 7th viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(7-2-7) constitutes rubber component as the tire, can be used not for the tire of the invention of the 7th viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (7-2-8) the 7th viewpoint can be constituted as got off, and be had: of the invention with the 7th viewpoint Thermoplastic resin material formed, make granular projection material impacts outer peripheral surface and roughening treatment carried out to the outer peripheral surface Cricoid tyre framework body；Rubber structure is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment Part.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 8th viewpoint can be constituted as shown in 8-1 embodiment as got off.
The tire of the invention of (8-1-1) the 8th viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the outer of the tyre framework body formed by thermoplastic resin material Circumference.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(8-1-2) for the 8th viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(8-1-3) sees the tire of the invention of the 8th viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (8-1-4) the 8th viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(8-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 8th viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The tire of the invention of (8-1-6) the 8th viewpoint can be manufactured by manufacturing method below, the manufacturing method Including at least following process: tyre framework piece formation process is formed using at least resin material and constitutes cricoid tyre framework body A part tyre framework piece；Tyre framework chip bonding process applies heat to the joint surface of the tyre framework piece to make Pairs of 2 tyre framework piece weldings described above and form the tyre framework body；Reinforce cord component rolling step, in institute The peripheral part for stating tyre framework body winds reinforcing cord layer along the circumferential direction to form reinforcing cord layer.
The manufacturing method of (8-1-7) described tire can be constituted as got off, will in the tyre framework chip bonding process The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more (for example, molten + 10 DEG C~+150 DEG C of point).
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (8-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (8-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (8-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (8-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (8-1-12) described tire can be constituted as got off, in the cord component rolling step, one While being adjusted in a manner of making the tension for reinforcing cord component become predetermined value, on one side by the reinforcement cord Component is spirally wound along the circumferencial direction of the peripheral part of the tyre framework body.
Being adjusted one in a manner of making the tension for reinforcing cord component become predetermined value on one side like this It is spirally wound while cord component will be reinforced along the peripheral part of the tyre framework body, adjustable reinforcement cord component is being taken turns The embedded amount of the peripheral part of tire bone frame body can inhibit to reinforce snake of the cord component in winding in turn.
The manufacturing method of (8-1-13) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(8-1-14) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 8th viewpoint can such as get off as illustrated in 8-2 embodiment.
The tire of the invention of (8-2-1) the 8th viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use the ring of resin material formation It is concave-convex to form fine roughening in the outer peripheral surface for the outer peripheral surface of the tyre framework body of shape.It should be noted that will make to project material It collides the outer peripheral surface of tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, it is carrying out slightly The outer peripheral surface for changing processing constitutes rubber component by cement stacking tire.Here, tyre framework body and tire are being constituted into rubber When glue component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, zygosity (bonding Property) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, outer peripheral surface Wetability improve.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tire Skeleton body and tire constitute the bond strength of rubber component.
(8-2-2) for the tire of the invention of the 8th viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(8-2-3) for the tire of the invention of the 8th viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(8-2-4) for the tire of the invention of the 8th viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (8-2-5) the 8th viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (8-2-6) the 8th viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(8-2-7) can use in air from solid to the material of gas vaporization the tire of the invention of the 8th viewpoint Material constitutes the projection material.
If used like this in air, the material from solid to gas vaporization is as the projection material, to wheel After the outer peripheral surface of tire bone frame body carries out roughening treatment, material is projected in air from solid to gas vaporization, therefore, in wheel tire bone The outer peripheral surface of frame body does not project material residual.The throwing for the outer peripheral surface for remaining in tyre framework body is not needed to carry out to remove as a result, The operation etc. for penetrating material can improve many and diverse degree of operation.
(8-2-8) constitutes rubber component as the tire, can be used not for the tire of the invention of the 8th viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (8-2-9) the 8th viewpoint can as get off constitute, have: with resin material formed, make The granular cricoid tyre framework body for projecting material impacts outer peripheral surface and having carried out roughening treatment to the outer peripheral surface；Carry out The outer peripheral surface of roughening treatment constitutes rubber component by the tire that cement is laminated.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 9th viewpoint can be constituted as shown in 9-1 embodiment as got off.
The tire of the invention of (9-1-1) the 9th viewpoint can be constituted as got off, from the axis direction along tyre framework body When section is observed, at least part reinforces cord component and is embedded in the outer of the tyre framework body formed by thermoplastic resin material Circumference.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
(9-1-2) for the 9th viewpoint tire of the invention, can the radial outside of the reinforcing cord layer be arranged by The tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(9-1-3) sees the tire of the invention of the 9th viewpoint from the section of the axis direction along the tyre framework body When examining, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the outer of the tyre framework body Circumference.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (9-1-4) the 9th viewpoint can be constituted as got off, and the tyre framework body has in radially inner side There is the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring-type being made of metal material is embedded in the bead part Bead core.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(9-1-5), can be in the part that the bead part is contacted with the wheel rim for the tire of the invention of the 9th viewpoint The sealing formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) is set.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The tire of the invention of (9-1-6) the 9th viewpoint can be manufactured by manufacturing method below, the manufacturing method Including at least following process: tyre framework piece formation process is formed using resin material and constitutes the one of cricoid tyre framework body Partial tyre framework piece；Tyre framework chip bonding process applies heat to the joint surface of the tyre framework piece to make in pairs 2 tyre framework piece weldings described above and form the tyre framework body；Reinforce cord component rolling step, in the wheel The peripheral part of tire bone frame body, which is along the circumferential direction wound, reinforces cord component to form reinforcing cord layer.
The manufacturing method of (9-1-7) described tire can be constituted as got off, will in the tyre framework chip bonding process The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more (for example, molten + 10 DEG C~+150 DEG C of point).
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (9-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step, The peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is embedded while melting or soften At least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (9-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step, 1/5 or more of the diameter for reinforcing cord is set to be embedded in when from the sectional view of the axis direction along the tyre framework body The peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (9-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (9-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (9-1-12) described tire can be constituted as got off, in the cord component rolling step, one While being adjusted in a manner of making the tension for reinforcing cord component become predetermined value, on one side by the reinforcement cord Component is spirally wound along the circumferencial direction of the peripheral part of the tyre framework body.
Being adjusted one in a manner of making the tension for reinforcing cord component become predetermined value on one side like this It is spirally wound while cord component will be reinforced along the peripheral part of the tyre framework body, adjustable reinforcement cord component is being taken turns The embedded amount of the peripheral part of tire bone frame body can inhibit to reinforce snake of the cord component in winding in turn.
The manufacturing method of (9-1-13) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(9-1-14) can be constituted, in the cord component rolling step, by institute according to the manufacturing method as got off It states and reinforces cord component after the tyre framework body, melting to the peripheral part of the tyre framework body or softened Part is cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The composition in addition, tire of the invention of the 9th viewpoint can such as get off as illustrated in 9-2 embodiment.
The tire of the invention of (9-2-1) the 9th viewpoint can be constituted as got off, and be also equipped in the manufacturing method as follows Process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the periphery of tyre framework body Face carries out roughening treatment；Lamination process constitutes rubber by cement stacking tire in the outer peripheral surface for having carried out roughening treatment Glue component.
If roughening treatment process is arranged like this, granular projection material impacts use the ring of resin material formation It is concave-convex to form fine roughening in the outer peripheral surface for the outer peripheral surface of the tyre framework body of shape.It should be noted that will make to project material It collides the outer peripheral surface of tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, it is carrying out slightly The outer peripheral surface for changing processing constitutes rubber component by cement stacking tire.Here, tyre framework body and tire are being constituted into rubber When glue component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, zygosity (bonding Property) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, outer peripheral surface Wetability improve.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tire Skeleton body and tire constitute the bond strength of rubber component.
(9-2-2) for the tire of the invention of the 9th viewpoint, at least part of the outer peripheral surface of the tyre framework body is Bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(9-2-3) for the tire of the invention of the 9th viewpoint, the peripheral part of the tyre framework body in outer peripheral surface by constituting The enhancement layer of the bump is constituted, and the enhancement layer can be by that will use the resin material phase with the formation tyre framework body Congener resin material or the covering of different types of resin material reinforce cord and the covering cord component that constitutes along the wheel The circumferencial direction of tire bone frame body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(9-2-4) for the tire of the invention of the 9th viewpoint, the resin material for constituting the covering cord component can make Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (9-2-5) the 9th viewpoint can be constituted as got off, in the roughening treatment process, comparison The region that the lamination area of the tire composition rubber component is wide carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (9-2-6) the 9th viewpoint can be constituted as got off, in the roughening treatment process, to calculate The mode that art average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(9-2-7) can use in air from solid to the material of gas vaporization the tire of the invention of the 9th viewpoint Material constitutes the projection material.
If used like this in air, the material from solid to gas vaporization is as the projection material, to wheel After the outer peripheral surface of tire bone frame body carries out roughening treatment, material is projected in air from solid to gas vaporization, therefore, in wheel tire bone The outer peripheral surface of frame body does not project material residual.The throwing for the outer peripheral surface for remaining in tyre framework body is not needed to carry out to remove as a result, The operation etc. for penetrating material can improve many and diverse degree of operation.
(9-2-8) constitutes rubber component as the tire, can be used not for the tire of the invention of the 9th viewpoint The rubber of vulcanization or semi-cure state.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (9-2-9) the 9th viewpoint can as get off constitute, have: with resin material formed, make The granular cricoid tyre framework body for projecting material impacts outer peripheral surface and having carried out roughening treatment to the outer peripheral surface；Carry out The outer peripheral surface of roughening treatment constitutes rubber component by the tire that cement is laminated.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 10th viewpoint can be constituted as shown in 10-1 embodiment as got off.
The tire of the invention of (10-1-1) the 10th viewpoint can be constituted as got off, from the axis direction along tyre framework body Section observation when, at least part reinforce cord component be embedded in by the thermoplastic resin material of the invention of the 10th viewpoint The peripheral part of the tyre framework body of formation.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
The tire of the invention of the 10th viewpoint can be arranged in (10-1-2) in the radial outside of the reinforcing cord layer By the tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(10-1-3) for the 10th viewpoint tire of the invention, from the section of the axis direction along the tyre framework body When observation, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the tyre framework body Peripheral part.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (10-1-4) the 10th viewpoint can be constituted as got off, and the tyre framework body is in radially inner side With the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring being made of metal material is embedded in the bead part The bead core of shape.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(10-1-5), can be in the portion that the bead part is contacted with the wheel rim for the tire of the invention of the 10th viewpoint Set up the sealing set and formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) separately.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The manufacturing method of the tire of the invention of (10-1-6) the 10th viewpoint can be at least made of following process: wheel tire bone Frame piece formation process utilizes the thermoplastic resin material comprising Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) Form the tyre framework piece for constituting a part of cricoid tyre framework body；Tyre framework chip bonding process, to the wheel tire bone The joint surface of frame piece applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the tyre framework body； Reinforce cord component rolling step, is along the circumferential direction wound in the peripheral part of the tyre framework body and reinforce cord component to shape At reinforcing cord layer.
The manufacturing method of (10-1-7) described tire can be constituted as got off, in the tyre framework chip bonding process, The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (10-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is melted or is buried while softening If at least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (10-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step In, bury 1/5 or more of the diameter for reinforcing cord when from the sectional view of the axis direction along the tyre framework body It is located at the peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (10-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (10-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (10-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(10-1-13) can be constituted according to the manufacturing method as got off, will in the cord component rolling step Melting or softening of the reinforcement cord component after the tyre framework body, to the peripheral part of the tyre framework body Part cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The structure in addition, tire of the invention of the 10th viewpoint can such as get off as illustrated in 10-2 embodiment At.
The tire of the invention of (10-2-1) the 10th viewpoint can as get off constitute, be also equipped in the manufacturing method as Lower process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the outer of tyre framework body Circumferential surface carries out roughening treatment；Lamination process is constituted in the outer peripheral surface for having carried out roughening treatment by cement stacking tire Rubber component.
If roughening treatment process is arranged like this, granular projection material impacts use thermoplastic resin material shape At cricoid tyre framework body outer peripheral surface, it is concave-convex to form fine roughening in the outer peripheral surface.It should be noted that will make to throw It penetrates the outer peripheral surface of material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, into Gone roughening treatment outer peripheral surface by cement stacking tire constitute rubber component.Here, by tyre framework body and tire When constituting rubber component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, engagement Property (cementability) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, because This, the wetability of outer peripheral surface improves.Cement, can be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body as a result, To ensure that tyre framework body and tire are constituted the bond strength of rubber component.
The tire of the invention of (10-2-2) for the 10th viewpoint, at least part of the outer peripheral surface of the tyre framework body It is bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(10-2-3) for the tire of the invention of the 10th viewpoint, the peripheral part of the tyre framework body is by outer peripheral surface structure It is constituted at the enhancement layer of the bump, the enhancement layer can be by that will use the resin material with the formation tyre framework body Cord is reinforced in the resin material of identical type or the covering of different types of resin material and the covering cord component that constitutes is described in The circumferencial direction of tyre framework body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(10-2-4) for the tire of the invention of the 10th viewpoint, the resin material for constituting the covering cord component can be with Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (10-2-5) the 10th viewpoint can be constituted as got off, right in the roughening treatment process The region wider than the lamination area that the tire constitutes rubber component carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (10-2-6) the 10th viewpoint can be constituted as got off, in the roughening treatment process, with The mode that arithmetic average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(10-2-7) constitutes rubber component as the tire, can be used for the tire of the invention of the 10th viewpoint Unvulcanized or semi-cure state rubber.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (10-2-8) the 10th viewpoint can be constituted as got off, and be had: with this hair of the 10th viewpoint It is that bright thermoplastic resin material is formed, make granular projection material impacts outer peripheral surface and the outer peripheral surface carried out at roughening The cricoid tyre framework body of reason；Rubber is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment Component.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 11st viewpoint can be constituted as shown in 11-1 embodiment as got off.
The tire of the invention of (11-1-1) the 11st viewpoint can be constituted as got off, from the axis direction along tyre framework body Section observation when, at least part reinforce cord component be embedded in by the thermoplastic resin material of the invention of the 11st viewpoint The peripheral part of the tyre framework body of formation.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
The tire of the invention of the 11st viewpoint can be arranged in (11-1-2) in the radial outside of the reinforcing cord layer By the tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(11-1-3) for the 11st viewpoint tire of the invention, from the section of the axis direction along the tyre framework body When observation, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the tyre framework body Peripheral part.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (11-1-4) the 11st viewpoint can be constituted as got off, and the tyre framework body is in radially inner side With the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring being made of metal material is embedded in the bead part The bead core of shape.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(11-1-5), can be in the portion that the bead part is contacted with the wheel rim for the tire of the invention of the 11st viewpoint Set up the sealing set and formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) separately.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The manufacturing method of the tire of the invention of (11-1-6) the 11st viewpoint can be at least made of following process: wheel tire bone Frame piece formation process, utilizes the thermoplastic resin being made of the mixing material of Thermoplastic polyamide elastomer and specific copolymer Material forms the tyre framework piece for constituting a part of cricoid tyre framework body；Tyre framework chip bonding process, to the wheel The joint surface of tire matrix tablet applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the tyre framework Body；Reinforce cord component rolling step, the tyre framework body peripheral part along the circumferential direction wind reinforcement cord component from And form reinforcing cord layer.
As the thermoplastic resin material, specifically, it is, for example, possible to use the polyamides of Ube Industries, Ltd Amine system thermoplastic elastomer (TPE) " UBESTA, XPA9055X1 ") and Dupont-Mitsui Polychemicals Co., Ltd.'s The mixing material of the Zn ionomer " Himilan, 1855Zn " of ethylene-methacrylic acid copolymer.
The manufacturing method of (11-1-7) described tire can be constituted as got off, in the tyre framework chip bonding process, The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (11-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is melted or is buried while softening If at least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (11-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step In, bury 1/5 or more of the diameter for reinforcing cord when from the sectional view of the axis direction along the tyre framework body It is located at the peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (11-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (11-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (11-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(11-1-13) can be constituted according to the manufacturing method as got off, will in the cord component rolling step Melting or softening of the reinforcement cord component after the tyre framework body, to the peripheral part of the tyre framework body Part cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The structure in addition, tire of the invention of the 11st viewpoint can such as get off as illustrated in 11-2 embodiment At.
The tire of the invention of (11-2-1) the 11st viewpoint can as get off constitute, be also equipped in the manufacturing method as Lower process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the outer of tyre framework body Circumferential surface carries out roughening treatment；Lamination process is constituted in the outer peripheral surface for having carried out roughening treatment by cement stacking tire Rubber component.
If roughening treatment process is arranged like this, granular projection material impacts use thermoplastic resin material shape At cricoid tyre framework body outer peripheral surface, it is concave-convex to form fine roughening in the outer peripheral surface.It should be noted that will make to throw It penetrates the outer peripheral surface of material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, into Gone roughening treatment outer peripheral surface by cement stacking tire constitute rubber component.Here, by tyre framework body and tire When constituting rubber component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, engagement Property (cementability) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, because This, the wetability of outer peripheral surface improves.Cement, can be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body as a result, To ensure that tyre framework body and tire are constituted the bond strength of rubber component.
The tire of the invention of (11-2-2) for the 11st viewpoint, at least part of the outer peripheral surface of the tyre framework body It is bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(11-2-3) for the tire of the invention of the 11st viewpoint, the peripheral part of the tyre framework body is by outer peripheral surface structure It is constituted at the enhancement layer of the bump, the enhancement layer can be by that will use the resin material with the formation tyre framework body Cord is reinforced in the resin material of identical type or the covering of different types of resin material and the covering cord component that constitutes is described in The circumferencial direction of tyre framework body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(11-2-4) for the tire of the invention of the 11st viewpoint, the resin material for constituting the covering cord component can be with Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (11-2-5) the 11st viewpoint can be constituted as got off, right in the roughening treatment process The region wider than the lamination area that the tire constitutes rubber component carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (11-2-6) the 11st viewpoint can be constituted as got off, in the roughening treatment process, with The mode that arithmetic average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(11-2-7) constitutes rubber component as the tire, can be used for the tire of the invention of the 11st viewpoint Unvulcanized or semi-cure state rubber.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (11-2-8) the 11st viewpoint can be constituted as got off, and be had: with this hair of the 11st viewpoint It is that bright thermoplastic resin material is formed, make granular projection material impacts outer peripheral surface and the outer peripheral surface carried out at roughening The cricoid tyre framework body of reason；Rubber is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment Component.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 12nd viewpoint can be constituted as shown in 12-1 embodiment as got off.
The tire of the invention of (12-1-1) the 12nd viewpoint can be constituted as got off, from the axis direction along tyre framework body Section observation when, at least part reinforce cord component be embedded in by the thermoplastic resin material of the invention of the 12nd viewpoint The peripheral part of the tyre framework body of formation.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
The tire of the invention of the 12nd viewpoint can be arranged in (12-1-2) in the radial outside of the reinforcing cord layer By the tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(12-1-3) for the 12nd viewpoint tire of the invention, from the section of the axis direction along the tyre framework body When observation, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the tyre framework body Peripheral part.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (12-1-4) the 12nd viewpoint can be constituted as got off, and the tyre framework body is in radially inner side With the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring being made of metal material is embedded in the bead part The bead core of shape.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(12-1-5), can be in the portion that the bead part is contacted with the wheel rim for the tire of the invention of the 12nd viewpoint Set up the sealing set and formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) separately.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The manufacturing method of the tire of the invention of (12-1-6) the 12nd viewpoint can be at least made of following process: wheel tire bone Frame piece formation process, using comprising Thermoplastic polyamide elastomer (for example, Ube Industries, Ltd " UBESTA, XPA9055X1 "), specific copolymer is (for example, ethylene-methyl of Dupont-Mitsui Polychemicals Co., Ltd. Acrylic copolymer " Nucrel, N035C ") and specific acid modified copolymer (for example, Dupont-Mitsui The sour modified body " HPR, AR2011 " of the ethylene-ethyl acrylate copolymer of Polychemicals Co., Ltd.) thermoplastic Property resin material form the tyre framework piece for constituting a part of cricoid tyre framework body；Tyre framework chip bonding process is right The joint surface of the tyre framework piece applies heat to make the tyre framework piece welding described above of pairs of 2 and forms the wheel Tire bone frame body；Reinforce cord component rolling step, is along the circumferential direction wound in the peripheral part of the tyre framework body and reinforce cord Component is to form reinforcing cord layer.
As described above, the thermoplastic comprising Thermoplastic polyamide elastomer, specific copolymer and specific acid modified copolymer The mobility of property resin material is excellent, can be easy to carry out injection moulding.Thus, in the heat of the invention using the 12nd viewpoint When plastic resin material forms the tyre framework piece for constituting a part of cricoid tyre framework body, if passing through injection moulding shape At tyre framework piece, then tyre framework piece can be efficiently formed, the productivity of tire is excellent.
The manufacturing method of (12-1-7) described tire can be constituted as got off, in the tyre framework chip bonding process, The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (12-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is melted or is buried while softening If at least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (12-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step In, bury 1/5 or more of the diameter for reinforcing cord when from the sectional view of the axis direction along the tyre framework body It is located at the peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord periphery, in turn, Inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (12-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord rolling step is embedded in wheel tire bone while heating In frame body, then when the reinforcement cord component after heating contacts the peripheral part of tyre framework body, melting or softening occur for contact portion, Therefore it is easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (12-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (12-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(12-1-13) can be constituted according to the manufacturing method as got off, will in the cord component rolling step Melting or softening of the reinforcement cord component after the tyre framework body, to the peripheral part of the tyre framework body Part cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The structure in addition, tire of the invention of the 12nd viewpoint can such as get off as illustrated in 12-2 embodiment At.
The tire of the invention of (12-2-1) the 12nd viewpoint can as get off constitute, be also equipped in the manufacturing method as Lower process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the outer of tyre framework body Circumferential surface carries out roughening treatment；Lamination process is constituted in the outer peripheral surface for having carried out roughening treatment by cement stacking tire Rubber component.
If roughening treatment process is arranged like this, granular projection material impacts use thermoplastic resin material shape At cricoid tyre framework body outer peripheral surface, it is concave-convex to form fine roughening in the outer peripheral surface.It should be noted that will make to throw It penetrates the outer peripheral surface of material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, into Gone roughening treatment outer peripheral surface by cement stacking tire constitute rubber component.Here, by tyre framework body and tire When constituting rubber component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, engagement Property (cementability) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, because This, the wetability of outer peripheral surface improves.Cement, can be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body as a result, To ensure that tyre framework body and tire are constituted the bond strength of rubber component.
The tire of the invention of (12-2-2) for the 12nd viewpoint, at least part of the outer peripheral surface of the tyre framework body It is bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(12-2-3) for the tire of the invention of the 12nd viewpoint, the peripheral part of the tyre framework body is by outer peripheral surface structure It is constituted at the enhancement layer of the bump, the enhancement layer can be by that will use the resin material with the formation tyre framework body Cord is reinforced in the resin material of identical type or the covering of different types of resin material and the covering cord component that constitutes is described in The circumferencial direction of tyre framework body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(12-2-4) for the tire of the invention of the 12nd viewpoint, the resin material for constituting the covering cord component can be with Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (12-2-5) the 12nd viewpoint can be constituted as got off, right in the roughening treatment process The region wider than the lamination area that the tire constitutes rubber component carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (12-2-6) the 12nd viewpoint can be constituted as got off, in the roughening treatment process, with The mode that arithmetic average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(12-2-7) constitutes rubber component as the tire, can be used for the tire of the invention of the 12nd viewpoint Unvulcanized or semi-cure state rubber.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (12-2-8) the 12nd viewpoint can be constituted as got off, and be had: with this hair of the 12nd viewpoint It is that bright thermoplastic resin material is formed, make granular projection material impacts outer peripheral surface and the outer peripheral surface carried out at roughening The cricoid tyre framework body of reason；Rubber is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment Component.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
The tire of the invention of 13rd viewpoint can be constituted as shown in 13-1 embodiment as got off.
The tire of the invention of (13-1-1) the 13rd viewpoint can be constituted as got off, from the axis direction along tyre framework body Section observation when, at least part reinforce cord component be embedded in by the thermoplastic resin material of the invention of the 13rd viewpoint The peripheral part of the tyre framework body of formation.
If a part reinforces the peripheral part that cord component is embedded in tyre framework body like this, can further suppress The phenomenon that air remains in cord periphery when reinforcing cord component winding (air entrance).If can inhibit air enters reinforcement Cord component periphery then can inhibit by input power when driving etc. and cause to reinforce cord component mobile.As a result, for example, In the case that tire member of formation is arranged in a manner of covering entire reinforcement cord component in the peripheral part of tyre framework body, it can inhibit It is mobile to reinforce cord component, therefore, can inhibit, durability raising peeling-off etc. (comprising tyre framework body) between these components.
The tire of the invention of the 13rd viewpoint can be arranged in (13-1-2) in the radial outside of the reinforcing cord layer By the tyre surface for thering is the material of abrasion resistence to be formed than the thermoplastic resin material.
It, can be with by constituting the tyre surface that contacts with road surface with the material for having abrasion resistence than thermoplastic resin material like this Further increase the abrasion resistence of tire.
(13-1-3) for the 13rd viewpoint tire of the invention, from the section of the axis direction along the tyre framework body When observation, 1/5 or more the diameter for reinforcing cord component can be made circumferentially to be embedded in the tyre framework body Peripheral part.
If reinforcing the 1/5 of the diameter of cord component when like this from the section along the axis direction of tyre framework body It is embedded in the peripheral part of tyre framework body above, then can effectively inhibit air to enter and reinforce cord component periphery, Ke Yijin One step inhibits by input power when driving etc. and causes to reinforce cord component mobile.
The tire of the invention of (13-1-4) the 13rd viewpoint can be constituted as got off, and the tyre framework body is in radially inner side With the bead part contacted with the bcad seats of wheel rim and wheel rim flange, the ring being made of metal material is embedded in the bead part The bead core of shape.
It is provided as in tyre framework body in this way with the bead part of the mating position of wheel rim and further in the tire The embedded cricoid bead core being made of metal material in circle portion opposite in the same manner as the pneumatic tire of previous rubber system can take turns Circle firmly holds tyre framework body (i.e. tire).
(13-1-5), can be in the portion that the bead part is contacted with the wheel rim for the tire of the invention of the 13rd viewpoint Set up the sealing set and formed by the material higher than the thermoplastic resin material leakproofness (adaptation with wheel rim) separately.
It is arranged in this way in tyre framework body and the contact portion of wheel rim by than the thermoplastic resin material leakproofness The sealing that high material is formed, can be improved the adaptation between tire (tyre framework body) and wheel rim.As a result, be used only Wheel rim is compared with the case where thermoplastic resin material, can further suppress the air leakage in tire.In addition, passing through setting institute The wheel rim installation of tire can also be improved by stating sealing.
The manufacturing method of the tire of the invention of (13-1-6) the 13rd viewpoint can be at least made of following process: wheel tire bone It is cricoid to form composition using the thermoplastic resin material comprising Thermoplastic polyamide elastomer and rubber for frame piece formation process The tyre framework piece of a part of tyre framework body；Tyre framework chip bonding process applies the joint surface of the tyre framework piece Heating forms the tyre framework body to make the tyre framework piece welding described above of pairs of 2；Reinforce cord component volume Around process, is along the circumferential direction wound in the peripheral part of the tyre framework body and reinforce cord component to form reinforcing cord layer.
The manufacturing method of (13-1-7) described tire can be constituted as got off, in the tyre framework chip bonding process, The joint surface of the tyre framework piece is heated to the fusing point for constituting the thermoplastic resin material of tyre framework piece or more.
If the joint surface of the dividing body is heated to constituting the thermoplastic resin material of tyre framework piece like this More than fusing point, then the welding between tyre framework piece can be sufficiently carried out, it therefore, can be while improving the durability of tire Improve the productivity of tire.
The manufacturing method of (13-1-8) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the peripheral part of the tyre framework body formed in making the tyre framework chip bonding process is melted or is buried while softening If at least part reinforces cord component and winds the reinforcement cord component in the peripheral part of the tyre framework body.
Embedded at least part is reinforced while the peripheral part melting or softening for making the tyre framework body in this way Cord component simultaneously winds the reinforcement cord component in the peripheral part of the tyre framework body, can make inbuilt at least part Reinforce cord component and melting or the thermoplastic resin material welding softened.Thus, it is possible to further suppress from along tire The peripheral part of tyre framework body and the air reinforced between cord component enter when the section observation of the axis direction of skeleton body.Separately Outside, if being embedded with the cooled solidification in part for reinforcing cord component, it is embedded in the reinforcement cord component of tyre framework body Fixation degree improves.
The manufacturing method of (13-1-9) described tire can be constituted as got off, in the reinforcement cord component rolling step In, make when from the sectional view of the axis direction along the tyre framework body it is described reinforce cord component diameter 1/5 with On be embedded in the peripheral part of the tyre framework body.
If peripheral part when like this from the section along the axis direction of tyre framework body in tyre framework body buries If 1/5 or more of diameter reinforcement cord component, then air when manufacture can effectively be inhibited to enter reinforcement cord component periphery, into And inbuilt reinforcement cord component can also be made to be not easy to fall off from tyre framework body.
The manufacturing method of (13-1-10) described tire can be constituted as got off, in the reinforcement cord component rolling step In, the reinforcement cord component after heating is embedded in the tyre framework body.
If will reinforce cord component like this in reinforcing cord component rolling step is embedded in wheel while heating In tire bone frame body, then heat after reinforce cord component contact tyre framework body peripheral part when, contact portion occur melting or Softening, therefore be easy for reinforcement cord component to be embedded in the peripheral part of tyre framework body.
The manufacturing method of (13-1-11) described tire can be constituted as got off, right in the cord component rolling step It is heated the part for reinforcing cord component that is embedded with of the peripheral part of the tyre framework body.
The part for being embedded with reinforcement cord component of the peripheral part of tyre framework body is heated in this way, takes turns tire bone Melting or softening occur for the part of frame body being heated, therefore are easy to bury and reinforce cord component.
The manufacturing method of (13-1-12) described tire can be constituted as got off, in the cord component rolling step, one While the reinforcement cord component to be pressed into the peripheral part of the tyre framework body, on one side by the reinforcement cord component described in The circumferencial direction of the peripheral part of tyre framework body is spirally wound.
If described will add while will reinforce cord component and be pressed into the peripheral part of the tyre framework body like this Strong cord component is spirally wound, then the embedded amount of peripheral part of the adjustable reinforcement cord component in tyre framework body.
(13-1-13) can be constituted according to the manufacturing method as got off, will in the cord component rolling step Melting or softening of the reinforcement cord component after the tyre framework body, to the peripheral part of the tyre framework body Part cooled down.
Pass through the melting like this after embedded reinforcement cord component to the peripheral part of tyre framework body or the portion softened Divide and carry out pressure cooling, the part that can make the melting of the peripheral part of tyre framework body or soften is faster more fast than natural cooling Speed cooling and solidifying.By cooling down tire peripheral part quickly than natural cooling, the peripheral part of tyre framework body can be inhibited Deformation, and can inhibit to reinforce the movement of cord component.
The structure in addition, tire of the invention of the 13rd viewpoint can such as get off as illustrated in 13-2 embodiment At.
The tire of the invention of (13-2-1) the 13rd viewpoint can as get off constitute, be also equipped in the manufacturing method as Lower process: roughening treatment process makes the outer peripheral surface of granular projection material impacts tyre framework body, to the outer of tyre framework body Circumferential surface carries out roughening treatment；Lamination process is constituted in the outer peripheral surface for having carried out roughening treatment by cement stacking tire Rubber component.
If roughening treatment process is arranged like this, granular projection material impacts use thermoplastic resin material shape At cricoid tyre framework body outer peripheral surface, it is concave-convex to form fine roughening in the outer peripheral surface.It should be noted that will make to throw It penetrates the outer peripheral surface of material impacts tyre framework body and forms the concave-convex processing of fine roughening and be known as roughening treatment.Thereafter, into Gone roughening treatment outer peripheral surface by cement stacking tire constitute rubber component.Here, by tyre framework body and tire When constituting rubber component integration, since the outer peripheral surface of tyre framework body is roughened, utilize anchor effect, engagement Property (cementability) improve.In addition, since the resin material for forming tyre framework body is excavated because projecting the collision of material, because This, the wetability of outer peripheral surface improves.Cement, can be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body as a result, To ensure that tyre framework body and tire are constituted the bond strength of rubber component.
The tire of the invention of (13-2-2) for the 13rd viewpoint, at least part of the outer peripheral surface of the tyre framework body It is bump, the bump can be made by implementing roughening treatment in the roughening treatment process.
Even if forming bump at least part of the outer peripheral surface of tyre framework body in this way, material impacts are projected by making Bump, (recess, concave bottom) is also roughened around recess portion, it can be ensured that tyre framework body and tire constitute rubber component Bond strength.
(13-2-3) for the tire of the invention of the 13rd viewpoint, the peripheral part of the tyre framework body is by outer peripheral surface structure It is constituted at the enhancement layer of the bump, the enhancement layer can be by that will use the resin material with the formation tyre framework body Cord is reinforced in the resin material of identical type or the covering of different types of resin material and the covering cord component that constitutes is described in The circumferencial direction of tyre framework body winds to constitute.
By like this with the enhancement layer structure that will cover circumferencial direction winding of the cord component along tyre framework body and composition At the peripheral part of tyre framework body, the circumferencial direction rigidity of tyre framework body can be improved.
(13-2-4) for the tire of the invention of the 13rd viewpoint, the resin material for constituting the covering cord component can be with Use thermoplastic resin material.
Resin material by constituting covering cord component like this, which uses, has thermoplastic thermoplastic material, and uses Thermosetting material is compared as the case where resin material, and Tire production becomes easy, and is easy to be recycled.
The tire of the invention of (13-2-5) the 13rd viewpoint can be constituted as got off, right in the roughening treatment process The region wider than the lamination area that the tire constitutes rubber component carries out roughening treatment.
If the wide region of the lamination area of comparative tire composition rubber component is implemented like this in roughening treatment process Roughening treatment can then reliably ensure that tyre framework body and tire constitute the bond strength of rubber component.
The tire of the invention of (13-2-6) the 13rd viewpoint can be constituted as got off, in the roughening treatment process, with The mode that arithmetic average roughness Ra is 0.05mm or more carries out roughening treatment to the outer peripheral surface.
If to tire in such a way that arithmetic average roughness Ra is 0.05mm or more like this in roughening treatment process The outer peripheral surface of skeleton body carries out roughening treatment, then the outer peripheral surface for carrying out roughening treatment by cement will it is for example unvulcanized or In the case that the tire composition rubber component of semi-cure state is laminated and is vulcanized, tire can be made to constitute the rubber of rubber component Glue flows into the bottom of the roughening bumps formed by roughening treatment.If the rubber for making tire constitute rubber component flows into slightly Change concave-convex bottom, then can be constituted in outer peripheral surface and tire and play sufficient anchor effect between rubber component, can be improved Tyre framework body and tire constitute the bond strength of rubber component.
(13-2-7) constitutes rubber component as the tire, can be used for the tire of the invention of the 13rd viewpoint Unvulcanized or semi-cure state rubber.
If using unvulcanized or semi-cure state rubber to constitute rubber component as the tire like this, right When tire composition rubber component is vulcanized, rubber flows into the roughening formed by roughening treatment in the outer peripheral surface of tyre framework body In bumps.Moreover, when vulcanisation has been completed, by flowing into the concave-convex rubber (vulcanization) of roughening, anchor effect can be played, it can be with It improves tyre framework body and tire constitutes the bond strength of rubber component.
It should be noted that having vulcanized the state for referring to and reaching as sulphidity required for final products, semi-cure State refers to higher than the sulphidity of unvulcanized state but does not reach state as sulphidity required for final products.
The tire of the invention of (13-2-8) the 13rd viewpoint can be constituted as got off, and be had: with this hair of the 13rd viewpoint It is that bright thermoplastic resin material is formed, make granular projection material impacts outer peripheral surface and the outer peripheral surface carried out at roughening The cricoid tyre framework body of reason；Rubber is constituted by the tire that cement is laminated in the outer peripheral surface for having carried out roughening treatment Component.
If can be improved like this using the cricoid tyre framework body for having carried out roughening treatment by anchor effect Tyre framework body and tire constitute the bond strength of rubber component.In addition, since outer peripheral surface is roughened, cement Wetability is good.Cement is as a result, to be uniformly coated with the outer peripheral surface that state is maintained at tyre framework body, it can be ensured that tyre framework body The bond strength that rubber component is constituted with tire can inhibit tyre framework body and tire to constitute the removing of rubber component.
Embodiment
[embodiment of the 1st viewpoint of the invention]
In the following, further illustrating the present invention of the 1st viewpoint with embodiment.But the 1st viewpoint the present invention is not limited to These embodiments.
Firstly, according to above-mentioned 1-2 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 1-1.In addition, for each Examples and Comparative Examples, progress material as described below The evaluation of evaluation of physical property, zygosity and tyre performance.It should be noted that in comparative example 1-1, since carcass piece cannot be abundant Engagement, therefore tire can not be manufactured.
" evaluation "
< tensile properties >
Firstly, for each Examples and Comparative Examples, for each thermoplastic resin material used in carcass, with 127mm × 12.7mm (length x width), 1.6mm (thickness) mold by injection moulding production sample.At this moment, the sample of each embodiment It is injection moulded at 225 DEG C, the sample of comparative example is injection moulded at 320 DEG C.For mold temperature, embodiment is 50 DEG C~70 DEG C, comparative example be 130 DEG C.In turn, punching press is carried out to each sample, makes the dumbbell of JISK6251:1993 defined Shape test film (No. 5 shape test films).
Next, tensile speed is set using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation In 200mm/min, tensile modulus of elasticity, tensile strength and the elongation at break of coupons are measured.
Show the result in following table 1-1.
< zygosity >
Hot inclining experiment is used for each thermoplastic resin material used in carcass for each Examples and Comparative Examples Machine (" Type-HG-100 " of Toyo Seiki), with each 10 DEG C of intervals, in 1kgf/cm in 150 DEG C~250 DEG C2Pressurization under Heating 60 seconds, the engagement sample that production closure size is 10mm × 25mm.
For each engagement sample of production, using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation, Tensile speed is set in 50mm/min, carries out 180 ° of disbonded tests, measures the bonding area rate of each engagement sample.
Show the result in following table 1-1.
< tire evaluates >
Manufacturing-
For manufacturing, by the injecting forming temperature shown in table 1-1 when being injection moulded to carcass.
Tire running-
Tire for each Examples and Comparative Examples obtained according to above-mentioned 1-2 embodiment, with JIS D4230: 1999 (high-speed performance test B) are that standard carries out high-speed performance test.Show the result in following table 1-1.
Shape retention-
In above-mentioned high-speed performance test, the tyre width of traveling front and back is measured and is compared, deformation rate is calculated (%).Show the result in the following table 1-1.
[table 1-1]
PAE: Thermoplastic polyamide elastomer
PPS: polyphenylene sulfide
UBESTA: Ube Industries, Ltd's system
FORTRON:Polyplastics Co., Ltd. system
By table 1-1 it is found that for the embodiment for using polyamide-based elastomer, the tensile modulus of elasticity of carcass is stretched Any of intensity and elongation at break are good value as performance required by tire.In contrast, comparative example 1-1 Carcass tensile modulus of elasticity it is excessively high, and elongation at break can not obtain good result.
In addition, for zygosity, for embodiment 1-1~embodiment 1-3, it is known that respectively near 200 DEG C~230 DEG C It can be with 100% engagement.In contrast, the fusing point of PPS used in comparative example 1-1 is high, carcass cannot be sufficiently carried out at 250 DEG C Engagement.
In turn, for embodiment 1-1~embodiment 1-3, injection moldability is excellent when injecting forming temperature is near 250 DEG C It is different, and the driving performance of tire running and shape retention is also abundant.
[embodiment of the 2nd viewpoint of the invention]
In the following, further illustrating the present invention of the 2nd viewpoint with embodiment.But the 2nd viewpoint the present invention is not limited to These embodiments.
Firstly, according to above-mentioned 2-2 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 2-1.In addition, for each Examples and Comparative Examples, progress material as described below The evaluation of evaluation of physical property, zygosity and tyre performance.
The production > of < coupons
1. Thermoplastic polyamide elastomer
Ube Industries, Ltd's system, UBESTA, XPA9055X1 (PAE1)
Ube Industries, Ltd's system, UBESTA, XPA9063X1 (PAE2)
2. polyurethane series thermoplastic elastomer (TPE)
1) BASF AG's system, Elastollan, ET680 (ester system) (TPU1)
2) BASF AG's system, Elastollan, ET880 (ether system) (TPU2)
3) BASF AG's system, Elastollan, ET690 (ester system) (TPU3)
4) BASF AG's system, Elastollan, ET890 (ether system) (TPU4)
3. polystyrene thermoplastic elastomer (TPE)
1) Asahi Kasei Corporation's system, Tuftec, H1052 (TPS1)
4. α-polyolefin thermoplastic elastomer (TPE)
1) Mitsui Chemicals, Inc.'s system, TAFMER, MH7007 (TPO1)
2) Mitsui Chemicals, Inc.'s system, TAFMER, MH7010 (TPO2)
3) Mitsui Chemicals, Inc.'s system, TAFMER, A4050S (TPO3)
4) Mitsui Chemicals, Inc.'s system, TAFMER, A1050S (TPO4)
5) Mitsui Chemicals, Inc.'s system, TAFMER, P275 (TPO5)
6) Du Pont-Toray Polychemicals Co., Ltd. system, Nucrel, N035C (TPO6)
7) Du Pont-Toray Polychemicals Co., Ltd. system, Nucrel, AN42115C (TPO7)
5. Polyester thermoplastic elastomer (TPE)
1) Du Pont-Toray Co., Ltd. system, Hytrel, 3046 (TPC)
By the elastomer to form mixing (quality standard) shown in table 2-1, made by (strain) Toyo Seiki made " LABOPLASTOMILL 50MR " double screw extruder be kneaded, obtain particle.It should be noted that in comparative example 2-1 And in 2-2, prepare the particle of Thermoplastic polyamide elastomer in the case where not forming mixed system.
Next, " SE30D " using Sumitomo Heavy Industries Ltd's corporation is injection moulded, make forming temperature 200 DEG C~225 DEG C, mold temperature be 50 DEG C~70 DEG C, using the mold of 12.7mm × 127mm, thickness 1.6mm, obtain 12.7mm × 12.7mm, The sample of thickness 1.6mm.
Punching press is carried out to each sample, makes dumbbell shaped test film (No. 5 shape tests of JISK6251:1993 defined Piece).
< tensile strength, elongation at break, tensile modulus of elasticity evaluation >
Using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation, tensile speed is set in 200mm/ Min measures tensile modulus of elasticity, tensile strength and the elongation at break of each coupons.Show the result in following table 2-1.
[table 2-1]
The driving performances such as the impact resistance of the tire formed in embodiment and durability are excellent.In addition, by the result of table 2-1 It is found that embodiment is low with the comparative example resilience in comparison modulus that same kind of Thermoplastic polyamide elastomer is used alone.That is, Known to pass through and with Thermoplastic polyamide elastomer and other elastomers, the thermoplastic resin material of controllable composition carcass Elasticity modulus.
< reinforces the evaluation > of the extractable of cord
For embodiment 2-1~2-2 and comparative example 2-1, the extractable of cord is reinforced in evaluation as described below.
Firstly, being washed to φ 0.8mm brass plating silk and φ 0.96mm bronze wire, and burn within 5 minutes at 110 DEG C Knot.Next, for the embodiment 2-1,2-2 and comparative example 2-1, with the mold inserted with each wire to thermoplasticity Resin material is injection moulded, and the sample of φ 10mm is made.At this moment, injection (mo(u)lding) machine uses FANUC corporation "ROBOSHOTα-15C".In addition, in the formation of sample, make respectively the embedment length of wire in the sample be 20mm, The sample of 40mm and 60mm.
In addition, the extraction of the wire from sample, with 5mm/min, " AG-5KNK " made using Shimadzu Seisakusho Ltd. (strain), Extraction force (unit: N) when measurement extraction.
Show the result in following table 2-2.
[table 2-2]
As shown in table 2-2, it is known that and with the embodiment 2-1 and 2-2 of polyurethane series thermoplastic elastomer (TPE) and be used alone poly- The comparative example 2-1 of amide based thermoplastic elastomer is compared, and the extractable of metal silk cord significantly improves.
" embodiment of the 3rd viewpoint of the invention "
In the following, further illustrating the present invention of the 3rd viewpoint with embodiment.But the 3rd viewpoint the present invention is not limited to These embodiments.
Firstly, according to above-mentioned 3-1 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following Table 3-1.In addition, manufacture as and under Examples and Comparative Examples the same terms The coupons of 12.7mm × 127mm, thickness 1.6mm that the carcass identical component of formation forms to injection moldability, stretch by force Degree, elongation at break, tensile modulus of elasticity and breaking state are evaluated.Show the result in table 3-1.In addition, each coupons Production method, each evaluation method and evaluation condition are as described below.
The production > of < coupons
1. Thermoplastic polyamide elastomer
Ube Industries, Ltd's system, UBESTA, XPA9055X1
2. alpha-olefin based thermoplastic elastomer
1) Mitsui Chemicals, Inc.'s system, TAFMER, MA8510
2) Mitsui Chemicals, Inc.'s system, TAFMER, MH7007
3) Mitsui Chemicals, Inc.'s system, TAFMER, MH7010
4) Mitsui Chemicals, Inc.'s system, TAFMER, MH7020
5) Mitsui Chemicals, Inc.'s system, TAFMER, A1050S
3. styrene series thermoplastic elastomer (completely hydrogenated type (SEBS))
1) Asahi Kasei Corporation's system, Tuftec, H1041
2) Asahi Kasei Corporation's system, Tuftec, M1931
By the thermoplastic elastomer (TPE) to form mixing (quality standard) shown in table 3-1, pass through (strain) Toyo Seiki system Make made " LABOPLASTOMILL 50MR " double screw extruder to be kneaded, obtains particle.It should be noted that than Compared in example 3-1, prepare the particle of Thermoplastic polyamide elastomer in the case where not forming mixed system.
Using each particle of ready Examples and Comparative Examples, it is injection moulded under the following conditions, obtains sample Piece.
In injection moulding, using the SE30D of Sumitomo Heavy Industries Ltd's corporation, make 200 DEG C of forming temperature~235 DEG C, mold Temperature is 70 DEG C~80 DEG C, uses the mold of 12.7mm × 127mm, thickness 1.6mm.
It should be noted that in the injection moulding using each particle of embodiment 3-6 and embodiment 3-8, in aforementioned item It can not be injection moulded under part, therefore, the electric heating press for using (strain) small flat production made, to implementation under the conditions of 12MPa Each particle of example 3-6 and embodiment 3-8 pressurizes 5 minutes, obtains the formed body of 200mm × 200mm, thickness 2mm.
The measurement > of the acid value of < thermoplastic resin material
For the acid value of thermoplastic resin material, to each elastomer used in Examples and Comparative Examples, according to Sodium methoxide (CH3ONa used sodium methoxide (CH when acid-base titration) is carried out3ONa quality (mg)) is based on above-mentioned formula (1) or formula (2) it is calculated.Show the result in table 3-1.
< evaluation method >
1. fluidity evaluating (MFR (g/10 minutes, 230 DEG C)) and injection moldability evaluation
For each particle of Examples and Comparative Examples, the SEMI MELT INDEX of Toyo Seiki manufacturing company is used 2A type is based on ASTM A1238 (B method), applies the load of 21.18N, 49.03N or 98.07N, is measured mobility (MFR).It needs Illustrate, measured since load small (21.18N), in the case where MFR cannot be measured under this condition, is applied bigger Load is measured.After measurement starts, for measurement can't be started after 3 minutes, "-" is shown as in table 3-1.
In addition, using the SE30D of Sumitomo Heavy Industries Ltd's corporation, forming temperature be 200 DEG C~235 DEG C, mold temperature Injection moldability evaluation is carried out under conditions of being 70 DEG C~80 DEG C, is shown in table 3-1.Will under this condition can it is injection molding with Zero form is shown in table 3-1, for that injection molding cannot be shown in table 3-1 in the form of △ under this condition.
2. tensile strength, elongation at break, tensile modulus of elasticity and breaking state evaluation
Punching press is carried out to by the obtained coupons that are injection moulded, makes the dumbbell of JISK6251-1993 defined Shape test film (No. 5 shape test films).
Using Shimadzu AUTOGRAPH, AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation, with 200mm/min pairs of tensile speed Obtained dumbbell shaped test film is stretched, thus study the tensile strengths of coupons, elongation at break, tensile modulus of elasticity, And breaking state.
For breaking state, the section of coupons is visually observed, is evaluated based on following evaluation criterions.
Evaluation criterion-
Zero: coupons are broken because of ductile fracture.
△: coupons are broken because stratiform is destroyed.
×: coupons are broken because of brittle break.
The observation of 2.SEM photo
For the section of the coupons of embodiment 3-1, embodiment 3-8 and comparative example 3-3, pass through Hitachi's corporation Scanning electron microscope S-4300 observed, obtained SEM photograph is shown in Fig. 7, Fig. 8 and Fig. 9.
[table 3-1]
As table 3-1 it is found that coupons shown in embodiment 3-1~3-8 may be implemented the reduction of tensile modulus of elasticity and break Fragility has both.Thus, show with use thermoplastic resin material shape identical with coupons shown in embodiment 3-1~3-8 At carcass manufacture tire the reduction of tensile modulus of elasticity and having both for breaking property may be implemented.Thus, it can speculate and use this The comfort level for the automobile that the tire of sample is constituted is good, even if assuming tyre injury, is also not susceptible to explosion damage.
It should be noted that for each tire formed by Examples and Comparative Examples, with JIS D4230-1999 (high speed Performance test B) it is that standard carries out high-speed performance test, as a result all tire is all finished the full distance, and the safety in traveling does not have yet Problem.
In addition, the SEM photograph (Fig. 7 and Fig. 8) of the coupons as used in embodiment 3-1 and embodiment 3-8 is it is found that make The island phase micro disperse at position is modified in resin for the acid of sour modified elastomer.On the other hand, referring to used in comparative example 3-3 The SEM photograph (Fig. 9) of coupons, it is known that in the matrix (Thermoplastic polyamide elastomer) of light color, exist dark big Phase (polystyrene thermoplastic elastomer (TPE)).It is believed that the polystyrene thermoplastic elastic as used in comparative example 3-3 Body is not acid-modified, therefore is not easy to blend with polystyrene thermoplastic elastic, and embodiment is less than in terms of breaking property.
In this way, the tensile elasticity of the coupons as used in SEM photograph provable embodiment 3-1 and embodiment 3-8 and disconnected Fragility is excellent.
" embodiment of the 4th viewpoint of the invention "
In the following, further illustrating the present invention of the 4th viewpoint with embodiment.But the 4th viewpoint the present invention is not limited to These embodiments.
Firstly, according to the 4-1 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 4-1.
In addition, manufacture is as and the examination that forms with the carcass identical component that is formed under Examples and Comparative Examples the same terms Print evaluates tensile strength, elongation at break, tensile modulus of elasticity, breaking state and tan δ.The production of each coupons Method, each evaluation method and evaluation condition are as described below.
[production of particle]
< thermoplastic elastomer (TPE) compares with thermoplastic resin >
(1) Thermoplastic polyamide elastomer
1) Ube Industries, Ltd's system, UBESTA XPA9048X1
2) Ube Industries, Ltd's system, UBESTA XPA9055X1
(2) Polyester thermoplastic elastomer (TPE)
1) Du Pont-Toray Co., Ltd. system, Hytrel 5557
(3) compare and use thermoplastic resin
1) JSR Corp.'s system, SBR1500
The specific acicular grains > of <
(1) sulfuric acid magnesium granules (whisker)
1) Ube Material Industries, Ltd. system, " MOS HIGE ", fibre length: 1.0 μm~3.0 μm, fibre Dimension diameter: 0.5 μm~1.0 μm)
< compares with particle >
(1) carbon black (Asahi Carbon Co., Ltd. system, " 78# ", spherical chain particle)
By the material selected in each material shown in above-mentioned to form (quality standard) investment (strain) east shown in table 4-1 Foreign essence mechanism is made in made " LABOPLASTOMILL 50MR " double screw extruder, under compounding conditions as follows into Row is kneaded, and obtains particle.It should be noted that in comparative example 4-1~comparative example 4-3, it is quasi- without being kneaded The particle of standby each thermoplastic elastomer (TPE).
Compounding conditions-
Screw speed: 100rpm
Spiro rod length (L)/screw diameter (D): 45
Melting temperature: 200 DEG C
Mixing time: 12 minutes
[production of resin plate]
The particle used as moulding material, by injection (mo(u)lding) machine (Sumitomo Heavy Industries, Ltd SE30D injection (mo(u)lding) machine), make forming temperature (drum temperature) be 180~230 DEG C, mold temperature be 60 DEG C, molding thickness 2mm, The resin plate of width 30mm, length 100mm.
(evaluations of 1. tensile strengths and tensile modulus of elasticity)
(1) production of coupons
From the resin plate of above-mentioned production, dumbbell shaped test film (No. 5 shape examinations of punching press JISK6251-1993 defined Test piece), make the coupons of evaluation.
(2) it evaluates
Shimadzu AUTOGRAPH, AGS-J (5KN) of (strain) Shimadzu Seisakusho Ltd. is used, with 200mm/min pairs of tensile speed Obtained dumbbell shaped test film is stretched, and the tensile modulus of elasticity and tensile strength of coupons are thus studied.Tensile elasticity mould Amount and tensile strength are evaluated two kinds of situations when the coupons of each evaluation are heated to 30 DEG C and 80 DEG C.It needs It is bright, temperature adjusting is carried out by using the temperature regulating chamber in determination of viscoelasticity device to carry out the heating of coupons.
Show the result in table 4-1.
(2.tan δ measurement)
(1) production of coupons
The resin plate of above-mentioned production is struck out to the circle of diameter 6mm, makes the coupons of evaluation.
(2) it evaluates
For the coupons of the evaluation of production, tested using the Measurement of Dynamic Viscoelasticity of Rheometric Co. Ltd. system Machine " ARES III " measures loss angle tangent (tan under the conditions of 30 DEG C of temperature, measurement frequency 35Hz and dynamic strain 1% δ)。
Show the result in table 4-1.
[table 4-1]
It is found that each coupons of embodiment are compared with each coupons of comparative example as shown in table 4-1, tensile modulus of elasticity, The evaluation of tensile strength and loss factor (tan δ) is all good.
Thus, use the operation stabilization for the tire that thermoplastic resin material identical with coupons shown in embodiment makes Property is excellent, can inhibit rolling resistance, it may be determined that the control stability for having the automobile of such tire is excellent, can show low Specific fuel consumption.
It should be noted that being carried out to each tire for using each thermoplastic resin material of Examples and Comparative Examples to be formed Rotary drum running test, also there is no problem for the as a result safety of all tire under steam.
" embodiment of the 5th viewpoint of the invention "
In the following, further illustrating the present invention of the 5th viewpoint with embodiment.But the 5th viewpoint the present invention is not limited to These embodiments.
Firstly, according to above-mentioned 5-2 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 5-1.In addition, for each Examples and Comparative Examples, the following physical property for carrying out material Evaluation and the evaluation of tyre performance.
[production of particle]
For resin material used in carcass in each Examples and Comparative Examples, by each material to be formed shown in table 5-1 (quality standard) is mixed.It is squeezed next, making made " LABOPLASTOMILL 50MR " twin-screw by Toyo Seiki Machine is kneaded (230 DEG C of mixing temperature, mixing time 3 minutes) to the resin material out, obtains particle.It needs to illustrate It is in a part of comparative example, to prepare the particle of Thermoplastic polyamide elastomer in the case where not forming mixed system.
The evaluation > of < loss factor (Tan δ), tensile modulus of elasticity
The particle of use production is injection moulded with the SE30D of Sumitomo Heavy Industries Ltd's corporation, makes 180 DEG C of forming temperature ~260 DEG C, mold temperature be 50 DEG C~70 DEG C, obtain the sample of 100mm × 30mm, thickness 2.0mm.
Punching press is carried out to each sample, makes the dumbbell-shaped specimen piece (No. 5 coupons) of JISK6251:1993 defined.
Next, tensile speed is set using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation In 200mm/min, tensile modulus of elasticity and Tan δ of each dumbbell-shaped specimen piece at 30 DEG C and 80 DEG C are measured.Result is shown In table 5-1.
[table 5-1]
* in table 5-1, " mass ratio (x+y)/z " indicates the hard segment of thermoplastic elastomer (TPE) and the spy of the 5th viewpoint of the invention Determine the mass ratio of the total amount of resin and the total amount of soft chain segment.
Being described as follows for abbreviation in the table 5-1 is described.
PA-A: Thermoplastic polyamide elastomer (Ube Industries, Ltd's system " UBESTA XPA9048X1 " polyamides 40 weight % of amine containing ratio
PA-B: Thermoplastic polyamide elastomer (Ube Industries, Ltd's system " UBESTA XPA9055X1 " polyamides 50 weight % of amine containing ratio
PPE: polyphenylene oxide
(Asahi Kasei Chemicals Corporation system " Xyron 200H ")
PP: polypropylene
(Japan Polypropylene Corporation system " Novatec BC3H ")
ABS: acrylonitrile/butadiene/styrene copolymer
(Techno Polymer Co., Ltd. system " Techno ABS 170 ")
AES: acrylonitrile/ethylene/styrene copolymer
(Techno Polymer Co., Ltd. system " W245 ")
As table 5-1 it is found that compared with comparative example of the material of embodiment 5-1~embodiment 5-4 carcass corresponding to it, Loss factor (Tan δ) maintains elasticity modulus in low-level situation and improves.In addition, embodiment 5-1~embodiment 5-4 tire Comparative example 5-1 or 5-2 high of tensile modulus of elasticity of the material of body at 30 DEG C than using same thermoplastic elastomer (TPE) is implemented The tensile modulus of elasticity of example 5-1,5-3 and 5-4 at 80 DEG C is higher than comparative example 5-1, it is known that heat resistance improves.
In addition, using having the glass transition also lower than the glass transition temperature of the hard segment of PA-A (polyamide 12) The comparative example of the resin (polypropylene: " the Novatec BC3H " of Japan Polypropylene Corporation) of temperature Compared with embodiment 5-1, tensile modulus of elasticity does not improve 5-3, and heat resistance is also low.
And the rolling resistance of the tire of embodiment is small, excellent heat resistance.
" embodiment of the 6th viewpoint of the invention "
In the following, further illustrating the present invention of the 6th viewpoint with embodiment.But the 6th viewpoint the present invention is not limited to These embodiments.
Firstly, according to the 6-1 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 6-1.
In addition, manufacture is as and the examination that forms with the carcass identical component that is formed under Examples and Comparative Examples the same terms Print evaluates tensile strength, elongation at break, tensile modulus of elasticity, breaking state and tan δ.The production of each coupons Method, each evaluation method and evaluation condition are as described below.
[production of particle]
< thermoplastic elastomer (TPE) >
(1) Thermoplastic polyamide elastomer
1) Ube Industries, Ltd's system, UBESTA XPA9055X1
2) Ube Industries, Ltd's system, UBESTA XPA9048X1
(2) Polyester thermoplastic elastomer (TPE)
1) Du Pont-Toray Co., Ltd. system, Hytrel 3046
< anti-static material >
(1) carbon black (Asahi Carbon Co., Ltd. system, " HAF ")
(2) phosphate system ionic conductive agent (" the エ レ Na イ ト AB-100 " of high terebinth Co. Ltd. system)
By the material selected in each material shown in above-mentioned to form (quality standard) investment shown in table 6-1 In the double screw extruder of Technovel corporation, it is kneaded under compounding conditions as follows, obtains particle.It needs Illustrate, in comparative example 6-1~comparative example 6-3, prepares of each thermoplastic elastomer (TPE) without being kneaded Grain.
Compounding conditions-
Screw speed: 100rpm
Spiro rod length (L)/screw diameter (D): 45
Melting temperature: 200 DEG C
Mixing time: 12 minutes
[production of resin plate]
The particle used is as moulding material, with the electric heating press that (strain) small flat production is made, in 230 DEG C, 12MPa Under the conditions of heat 5 minutes, thus carry out heating pressurization, the resin plate of production length 80mm, width 40mm, thickness 2mm.
(measurements of 1. volume resistivities)
Using resin plate obtained above as evaluation sample, with Mitsubishi Chemical Analytech Co., Ltd. the resistrivity meter " HIRESTA UP MCP-HT450 type " made, according to JIS K6911:(1995 year) measurement volume resistance Rate.
Volume resistivity is 1010Ω cm or less is to play on antistatic effect not having the water of practical upper problem in tire It is flat.
Show the result in table 6-1.
(evaluations of 2. tensile strengths, elongation at break, tensile modulus of elasticity and breaking property)
(1) production of coupons
From the resin plate of above-mentioned production, dumbbell shaped test film (No. 5 shape examinations of punching press JISK6251-1993 defined Test piece), make the coupons of evaluation.
(2) it evaluates
Shimadzu AUTOGRAPH, AGS-J (5KN) of (strain) Shimadzu Seisakusho Ltd. is used, with 200mm/min pairs of tensile speed Obtained dumbbell shaped test film is stretched, thus study the tensile strengths of coupons, elongation at break, tensile modulus of elasticity and Breaking state (breaking property).
Show the result in table 6-1.
For breaking property, the breaking state of the section of coupons is visually observed, is evaluated based on following evaluation criterions.
Evaluation criterion-
Zero: coupons are broken because of ductile fracture.
△: coupons are broken because stratiform is destroyed.
×: coupons are broken because of brittle break.
(2.tan δ measurement)
(1) production of coupons
The resin plate of above-mentioned production is struck out to the circle of diameter 6mm, makes the coupons of evaluation.
(2) it evaluates
For the coupons of the evaluation of production, the Measurement of Dynamic Viscoelasticity testing machine of Rheometric corporation is used " ARES III " measures the loss angle tangent (tan δ) under the conditions of 30 DEG C of temperature, measurement frequency 35Hz and dynamic strain 1%.
Show the result in table 6-1.
[table 6-1]
As shown in Table 6-1 it is found that each coupons of embodiment are compared with each coupons of comparative example, volume resistivity is 1.0×106~1.0 × 1010Range, therefore, with thermoplastic resin material identical with coupons make tire resist it is quiet Electric energy power is excellent.
In addition, the volume resistivity of each coupons of embodiment 6-1~embodiment 6-7 is 1.0 × 106~1.0 × 1010's Range, and tan δ can also maintain reduced levels.Thus, with identical as coupons shown in embodiment 6-1~embodiment 6-7 Thermoplastic resin material production tire antistatic effect it is excellent, and can inhibit rolling resistance, it may be determined that have in this way The automobile of tire can more effectively inhibit the generation of the electric discharge as caused by electrostatic, fine dust etc. in the attachment of surface of tyre, And control stability is excellent, can express low fuel consumption rate.
It should be noted that having been carried out turn to each tire formed with each thermoplastic resin materials of Examples and Comparative Examples Drum running test, also there is no problem for the as a result safety of all tire under steam.
" embodiment of the 7th viewpoint of the invention "
In the following, further illustrating the present invention of the 7th viewpoint with embodiment.But the 7th viewpoint the present invention is not limited to These embodiments.
Firstly, according to above-mentioned 7-1 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 7-1 and table 7-2.In addition, manufacture is used as and identical as Examples and Comparative Examples Under the conditions of the coupons of 12.7mm × 127mm of carcass identical component composition that are formed, to injection moldability, tensile strength, disconnected Elongation, tensile modulus of elasticity and breaking state is split to be evaluated.The production method of each coupons, each evaluation method and evaluation item Part is as described below.
The production > of < coupons
A-1. Thermoplastic polyamide elastomer
1) Ube Industries, Ltd's system, UBESTA, XPA9040X1
2) Ube Industries, Ltd's system, UBESTA, XPA9048X1
3) Ube Industries, Ltd's system, UBESTA, XPA9055X1
4) Ube Industries, Ltd's system, UBESTA, XPA9063X1
A-2. polyamide-based thermoplastic resin (the same kind of resin of hard segment with A-1)
1) Ube Industries, Ltd's system, UBESTA, 3014U
2) Ube Industries, Ltd's system, UBESTA, 3020U
B-1) Polyester thermoplastic elastomer (TPE)
1) Du Pont-Toray Co., Ltd. system, Hytrel 3046
2) Du Pont-Toray Co., Ltd. system, Hytrel 5557
3) Du Pont-Toray Co., Ltd. system, Hytrel 6347
4) Du Pont-Toray Co., Ltd. system, Hytrel 7247
5) Du Pont-Toray Co., Ltd. system, Hytrel 2751
B-2) polybutylene terephthalate (PBT) based thermoplastic resin (the same kind of resin of hard segment with B-1)
1) Polyplastics Co., Ltd. system, DURANEX2000
2) Polyplastics Co., Ltd. system, DURANEX2002
The elasticity modulus-of the specific resin of 7th viewpoint of the invention
Various resins shown in A-2, B-2 are injection moulded with the mold of 12.7mm × 127mm, thickness 1.6mm, are made Make sample.
Using Shimadzu AUTOGRAPH, AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation, with tensile speed 1mm/min to To sample stretched, thus study sheet material tensile modulus of elasticity, following result as a result can be obtained.
A-2)
1) Ube Industries, Ltd's system, UBESTA, 3014U, elasticity modulus=1100MPa
2) Ube Industries, Ltd's system, UBESTA, 3020U, elasticity modulus=1000MPa
B-2)
1) Polyplastics Co., Ltd. system, DURANEX, 2000, elasticity modulus=1100MPa
2) Polyplastics Co., Ltd. system, DURANEX, 2002, elasticity modulus=1250MPa
The thermoplastic elastomer (TPE) and resin are mixed into (quality standard) to form shown in table 7-1 and table 7-2, led to " LABOPLASTOMILL 50MR " double screw extruder for crossing Toyo Seiki corporation is kneaded, and particle is obtained.It needs to illustrate , in comparative example 7-1~comparative example 7-9, in the case where not forming mixed system shown in preparation table 7-1 and table 7-2 The particle of thermoplastic elastomer (TPE).
Using each particle of ready Examples and Comparative Examples, it is injection moulded under the following conditions, obtains sample Piece.
In injection moulding, using the SE30D of Sumitomo Heavy Industries Ltd's corporation, make 200 DEG C of forming temperature~235 DEG C, mold Temperature is 50 DEG C~70 DEG C, uses the mold of 12.7mm × 127mm, thickness 1.6mm.
< evaluation method >
1. tensile strength, elongation at break and tensile modulus of elasticity evaluation
Punching press is carried out to by the obtained coupons that are injection moulded, makes the dumbbell of JISK6251:1993 defined Shape test film (No. 5 shape test films).
Using Shimadzu AUTOGRAPH, AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation, with 200mm/min pairs of tensile speed Obtained dumbbell shaped test film is stretched, and tensile strength, elongation at break and the tensile modulus of elasticity of coupons are thus studied.
2.tan δ measurement
Use the Measurement of Dynamic Viscoelasticity testing machine " ARES III " of Rheometric Co. Ltd. system, measuring temperature 30 DEG C, measurement frequency 20Hz and dynamic strain 1% under the conditions of loss angle tangent (tan δ).
The tensile strength of the coupons of Examples and Comparative Examples, elongation at break, tensile modulus of elasticity and tan δ are shown in Table 7-1 and table 7-2.
3. the relationship of elasticity modulus (tensile modulus of elasticity) and tan δ
By the relationship mark of the tensile modulus of elasticity of the coupons of embodiment 7-1~7-4 and comparative example 7-1~7-4 and tan δ It is plotted in Figure 11.In addition, by the tensile modulus of elasticity of the coupons of embodiment 7-5~7-8 and comparative example 7-5~7-9 and tan δ Relationship is plotted on Figure 12.
[table 7-1]
[table 7-2]
As table 7-1 it is found that for coupons shown in embodiment 7-1~7-4, even if tensile modulus of elasticity increases from 368 To 672, the tan δ for the index of the rolling resistance of expression tire is 0.07 or so, is 0.088 when big, can inhibit rolling resistance Increase.It is also the same for the coupons of embodiment 7-5~7-8, even if tensile modulus of elasticity becomes larger, it also can inhibit tan δ increase.
This can also be determined by Figure 11 and Figure 12.What is marked and drawed in Figure 11 and Figure 12 is relative to tensile modulus of elasticity tanδ.It is as shown in figure 11 it is found that big by the slope of the confirmable regression straight line of plotting (not shown) of comparative example 7-1~4, with Tensile modulus of elasticity becomes larger, and tan δ also becomes larger, however (is not schemed by the confirmable regression straight line of the plotting of embodiment 7-1~7-4 Show) slope it is small, even if tensile modulus of elasticity becomes larger, tan δ is also not easy to increase.This equally can also the comparative example as shown in table 7-2 Each plotting of 7-5~7-9 and embodiment 7-5~7-8 is to confirm.
Thus, show with the carcass formed using thermoplastic resin material identical with the coupons of embodiment 7-1~7-8 Even if the tire tensile modulus of elasticity of manufacture becomes larger, the increase of rolling resistance can also be inhibited.Thus, it can speculate with such wheel The specific fuel consumption for the automobile that tire is constituted is good.
It should be noted that having been carried out turn to each tire formed with each thermoplastic resin materials of Examples and Comparative Examples Drum running test, also there is no problem for the as a result safety of all tire under steam.
" embodiment of the 8th viewpoint of the invention "
In the following, further illustrating the present invention of the 8th viewpoint with embodiment.But the 8th viewpoint the present invention is not limited to These embodiments.
Firstly, according to above-mentioned 8-1 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 8-1 and table 8-2.In addition, manufacture is used as and identical as Examples and Comparative Examples Under the conditions of formed carcass identical component composition 12.7mm × 127mm coupons, to tensile strength, elongation at break, drawing It stretches elasticity modulus and collapse state is evaluated.Show the result in table 8-1 and table 8-2.In addition, the production method of each coupons, Each evaluation method and evaluation condition are as described below.
The production > of < coupons
1. Thermoplastic polyamide elastomer
1) Ube Industries, Ltd's system, UBESTA, XPA9040
(- 40 DEG C of glass transition temperature or less, elasticity modulus 91MPa)
2) Ube Industries, Ltd's system, UBESTA, XPA9048
(- 6 DEG C of glass transition temperature, elasticity modulus 183MPa)
3) Ube Industries, Ltd's system, UBESTA, XPA9055
(8 DEG C of glass transition temperature, elasticity modulus 303MPa)
4) Ube Industries, Ltd's system, UBESTA, XPA9063
(14 DEG C of glass transition temperature, elasticity modulus 626MPa)
2. Polyester thermoplastic elastomer (TPE)
1) Du Pont-Toray chemical Co., Ltd. system, Hytrel, 3046
(- 38 DEG C of glass transition temperature, elasticity modulus 19MPa)
2) Du Pont-Toray chemical Co., Ltd. system, Hytrel, 5557
(- 19 DEG C of glass transition temperature, elasticity modulus 211MPa)
3) Du Pont-Toray chemical Co., Ltd. system, Hytrel, 6347
(9 DEG C of glass transition temperature, elasticity modulus 414MPa)
4) Du Pont-Toray chemical Co., Ltd. Hytrel, 7247
(21 DEG C of glass transition temperature, elasticity modulus 549MPa)
3. acid modified polyolefin
1) Mitsui Chemicals, Inc.'s system, ADMERQF551
(- 13 DEG C of glass transition temperature, elasticity modulus 694MPa)
2) Mitsui Chemicals, Inc.'s system, ADMERQE060
(4 DEG C of glass transition temperature, elasticity modulus 875MPa)
4. polypropylene, ethylene-propylene copolymer
1) Prime Polymer Co., Ltd. system, J-700GP (homopolymer)
(32 DEG C of glass transition temperature, elasticity modulus 1244MPa)
2) Japan Polypropylene Corporation system, Novatec EC9EV (block polymer)
(15 DEG C of glass transition temperature, elasticity modulus 1176MPa)
3) Japan Polypropylene Corporation system, WintecWFW4 (atactic polymer)
(6 DEG C of glass transition temperature, elasticity modulus 762MPa)
The thermoplastic elastomer (TPE) is mixed into (quality standard) to form shown in table 8-1 and table 8-2, is passed through (strain) Toyo Seiki makes made LABOPLASTOMILL 50MR double screw extruder and is kneaded, and obtains particle.It needs to illustrate It is in comparative example 8-1~8-8, to prepare Thermoplastic polyamide elastomer and polyester in the case where not forming mixed system The particle of based thermoplastic elastomer.
Using each particle of ready Examples and Comparative Examples, it is injection moulded under the following conditions, obtains sample Piece.
In injection moulding, using the SE30D of Sumitomo Heavy Industries Ltd's corporation, make 200 DEG C of forming temperature~225 DEG C, mold Temperature is 50 DEG C~70 DEG C, uses the mold of 12.7mm × 127mm, thickness 1.6mm.
< evaluation method >
1. tensile strength, elongation at break, tensile modulus of elasticity and collapse state evaluation
Using by coupons obtained above, to following tensile strengths, elongation at break, tensile modulus of elasticity and destruction State is evaluated.
Using No. 5 Shimadzu AUTOGRAPH, AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation, JIS dumbbells, with tensile speed Thus 200mm/min tensile sample piece studies tensile strength, elongation at break, tensile modulus of elasticity and the destruction shape of coupons State.
The measurement of 2.tan δ
In addition for by coupons obtained above, with the ARES III of Rheometric corporation at 30 DEG C, 20Hz is cut Tan δ is measured under conditions of shear strain 1%.
[table 8-1]
[table 8-2]
As table 8-1 and table 8-2 it is found that coupons shown in embodiment are compared with comparative example, tan δ can inhibited to rise While make tensile modulus of elasticity preferred scope.Thus, show with use and coupons same resin material shown in embodiment The tire for the carcass manufacture that material is formed can be obtained preferred elasticity modulus and rolling resistance can be inhibited to increase.Thus, it can push away The comfort level for surveying the automobile constituted with such tire is good.
It should be noted that having carried out rotary drum running test for each tire formed by Examples and Comparative Examples, tie Also there is no problem for the safety of fruit all tire under steam.
" embodiment of the 9th viewpoint of the invention "
In the following, further illustrating the present invention of the 9th viewpoint with embodiment.But the 9th viewpoint the present invention is not limited to These embodiments.
Firstly, according to above-mentioned 9-1 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming carcass Material, use the material recorded in following table 9-1.In addition, manufacture as and under Examples and Comparative Examples the same terms The coupons of 12.7mm × 127mm of the carcass identical component composition of formation, to tensile strength, elongation at break, tensile elasticity Modulus and collapse state are evaluated.Show the result in table 9-1.In addition, the production method of each coupons, each evaluation method and commenting Valence condition is as described below.
The production > of < coupons
1. Thermoplastic polyamide elastomer
1) Ube Industries, Ltd's system, UBESTA, XPA9048
(- 6 DEG C of glass transition temperature, elasticity modulus 183MPa)
2. Polyester thermoplastic elastomer (TPE)
1) Du Pont-Toray chemical Co., Ltd. system, Hytrel 3046
(- 38 DEG C of glass transition temperature, elasticity modulus 19MPa)
3. acid modified polyolefin
1) Mitsui Chemicals, Inc.'s system, ADMERQF551
(- 13 DEG C of glass transition temperature, elasticity modulus 694MPa)
2) Mitsui Chemicals, Inc.'s system, ADMERQE060
(4 DEG C of glass transition temperature, elasticity modulus 875MPa)
4. including polyacrylic olefin series thermoplastic elastomer
1) Prime Polymer Co., Ltd. system, PRIME TPO E-2900 (homopolymer)
(elasticity modulus 665MPa)
2) Prime Polymer Co., Ltd. system, PRIME TPO F-3740 (atactic polymer)
(elasticity modulus 332MPa)
3) Prime Polymer Co., Ltd. system, PRIME TPO M142E (block polymer)
(elasticity modulus 39MPa)
4) Mitsui Chemicals, Inc.'s system, Milastomer 8032NS (PP/EPDM)
(elasticity modulus 39MPa)
5) Mitsui Chemicals, Inc.'s system, Milastomer 7030NS (PP/EPDM)
(elasticity modulus 6.8MPa)
The thermoplastic elastomer (TPE) is mixed into (quality standard) to form shown in table 9-1, by Toyo Seiki system Make made LABOPLASTOMILL 50MR double screw extruder to be kneaded, obtains particle.
Using each particle of ready Examples and Comparative Examples, it is injection moulded under the following conditions, obtains sample Piece.
In injection moulding, using the SE30D of Sumitomo Heavy Industries Ltd's corporation, make 200 DEG C of forming temperature~235 DEG C, mold Temperature is 50 DEG C~70 DEG C, uses the mold of 12.7mm × 127mm, thickness 1.6mm.
< evaluation method >
1. tensile strength, elongation at break, tensile modulus of elasticity and collapse state evaluation
Using by coupons obtained above, to following tensile strengths, elongation at break, tensile modulus of elasticity and destruction State is evaluated.
Using No. 5 Shimadzu AUTOGRAPH, AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation, JIS dumbbells, with tensile speed 200mm/min stretches coupons, thus study the tensile strengths of coupons, elongation at break, tensile modulus of elasticity and Collapse state.
[table 9-1]
As table 9-1 it is found that coupons shown in embodiment 9-1~9-6 are compared with comparative example, excellent impact resistance.More When illustrating to body, it is believed that, specific resin, other resins and the 2nd thermoplastic elastomer (TPE) of the 9th viewpoint of the invention, which pass through, has tool The hard segment of the standby skeleton common with the skeleton of the main chain for the specific resin for constituting the 9th viewpoint of the invention, the 2nd thermoplastic elastic Body is dispersed in the specific resin of the 9th viewpoint of the invention, the elasticity modulus drop of the certain tree lipid phase of the 9th viewpoint of the invention Low, impact resistance improves, and therefore, the viscoplasticity of resin material reduces on the whole, excellent impact resistance.
It should be noted that having carried out rotary drum running test, as a result for each tire formed by Examples and Comparative Examples Also there is no problem for the safety of all tire under steam.
" embodiment of the 10th viewpoint of the invention "
In the following, further illustrating the present invention of the 10th viewpoint with embodiment.But the present invention of the 10th viewpoint does not limit In these embodiments.
Firstly, according to above-mentioned 10-2 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming tire The material of body uses the material recorded in following table 10-1.In addition, being commented for each Examples and Comparative Examples by the physical property of material Valence investigates tyre performance.
The production > of < coupons
1. Thermoplastic polyamide elastomer
Ube Industries, Ltd's system, UBESTA, XPA 9048X1
Ube Industries, Ltd's system, UBESTA, XPA 9055X1
2. Polyester thermoplastic elastomer (TPE)
1) Du Pont-Toray Co., Ltd. system, Hytrel, 5557
2) Du Pont-Toray Co., Ltd. system, Hytrel, 6347
3) Du Pont-Toray Co., Ltd. system, Hytrel, 3046
(production of particle)
The elastomer is mixed into (quality standard) to form shown in table 10-1, is made by (strain) Toyo Seiki Made LABOPLASTOMILL 50MR double screw extruder is kneaded, and particle is obtained.It should be noted that in comparative example In 10-1~10-3, prepare Thermoplastic polyamide elastomer or polyester based thermoplastic in the case where not forming mixed system The particle of elastomer.
< tensile strength, elongation at break, tensile modulus of elasticity and tensile yield strength evaluation >
The particle of use production is injection moulded with the SE30D of Sumitomo Heavy Industries Ltd's corporation, makes 200 DEG C of forming temperature ~235 DEG C, mold temperature be 50 DEG C~70 DEG C, using the mold of 12.7mm × 127mm, thickness 1.6mm, obtain sample.
Punching press is carried out to each sample, makes the dumbbell-shaped specimen piece (No. 5 coupons) of JISK6251:1993 defined.
Next, tensile speed is set using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation In 200mm/min, tensile modulus of elasticity, tensile strength and the elongation at break of each dumbbell-shaped specimen piece are measured.
For tensile yield strength, the tensile yield strength at 23 DEG C, 85 DEG C and 105 DEG C is determined.Here, 23 DEG C of drawing The Shimadzu AUTOGRAPH AGS-J (5KN) for stretching yield strength Shimadzu Seisakusho Ltd.'s corporation is measured, at 85 DEG C and 105 DEG C The Shimadzu AUTOGRAPH AGS-100KN of tensile yield strength Shimadzu Seisakusho Ltd.'s corporation be measured.In arbitrary temp Lower tensile speed is all set in 200mm/min.
Show the result in following table 10-1.
It should be noted that by 23 DEG C of embodiment 10-1~10-6 and comparative example 10-1~10-2,85 DEG C and 105 DEG C Tensile yield strength and the relationship of temperature be shown in Figure 13.In addition, will be by embodiment 10-1~10-6 and comparative example 10-1~10- Determining regression straight line (the yield strength-of the plotting of 2 temperature relative to the tensile yield strength at 23 DEG C, 85 DEG C and 105 DEG C Temperature straight line) slope, intercept and determine coefficient (R2) 0-1 shown in table 1.
< temperature of deflection under load >
The particle of use production is injection moulded with the SE30D of Sumitomo Heavy Industries Ltd's corporation, makes 200 DEG C of forming temperature ~235 DEG C, mold temperature be 50 DEG C~70 DEG C, using the mold of multifunctional test print (JIS K7139, ISO-3167) shape, Obtain the test film of the thickness 4mm of multifunctional test print (JIS K7139, ISO-3167) shape.
The machining that 127mm × 10mm, thickness 4mm are carried out by obtained multifunctional test print, is tested with HDT/VSPT Device (Shang Dao manufacturing company system) measures the temperature of deflection under load (ASTM D648) in the load of 0.45MPa.
Determination condition is as described below.
With two points of distance between the fulcrum 100mm support coupons, the central portion between fulcrum applies the load of 0.46MPa Lotus is heated up with silicone oil full of around coupons with 120 DEG C/hr of heating rate.The deflection of measurement coupons reaches Temperature when 0.2%.Show the result in table 10-1.
[table 10-1]
As shown in table 10-1 and Figure 13 it is found that coupons for being made by each embodiment, with made by comparative example In the comparison of coupons, the temperature dependency for stretching physical properties excellent and tensile yield strength becomes smaller, and temperature of deflection under load is also big.This It indicates to have with the tire that the carcass formed using thermoplastic resin material identical with coupons shown in embodiment is manufactured resistance to Long property, and the not influence vulnerable to temperature environment variation.
" embodiment of the 11st viewpoint of the invention "
In the following, further illustrating the present invention of the 11st viewpoint with embodiment.But the present invention of the 11st viewpoint does not limit In these embodiments.
Firstly, according to above-mentioned 11-2 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming tire The material of body uses the material recorded in following table 1 1-1.In addition, being commented for each Examples and Comparative Examples by the physical property of material Valence investigates tyre performance.
The production > of < coupons
1. Thermoplastic polyamide elastomer
1) Ube Industries, Ltd's system, UBESTA, XPA 9055X1
2. ethylene-methacrylic acid copolymer (comparative example use)
1) Du Pont-Mitsui Polychemicals Co., Ltd. system, Nucrel, N035C
2) Du Pont-Mitsui Polychemicals Co., Ltd. system, Nucrel, AN42115C
3. vinyl-acrylate copolymer (specific copolymer)
1) Du Pont-Mitsui Polychemicals Co., Ltd. system, Elvaloy, 3427AC
2) Du Pont-Mitsui Polychemicals Co., Ltd. system, Elvaloy, 3717AC
4. the metal corsslinking body (specific copolymer of ethylene-methacrylic acid copolymer；Ionomer)
1) Du Pont-Mitsui Polychemicals Co., Ltd. system, Himilan, 1855Zn
(production of particle)
The elastomer and each copolymer are mixed into (quality standard) to form shown in table 11-1, pass through (strain) east Foreign essence mechanism is made made LABOPLASTOMILL 50MR double screw extruder and is kneaded, and particle is obtained.It needs to illustrate It is in comparative example 11-1, to prepare the particle of Thermoplastic polyamide elastomer in the case where not forming mixed system.
< tensile strength, elongation at break, tensile modulus of elasticity and tensile yield strength evaluation >
It using ready particle, is injection moulded with the SE30D of Sumitomo Heavy Industries Ltd's corporation, makes forming temperature 200 DEG C~240 DEG C, mold temperature be 40 DEG C~70 DEG C, using the mold of 12.7mm × 127mm, thickness 1.6mm, obtain coupons.
Punching press is carried out to each coupons, makes the dumbbell-shaped specimen piece (No. 5 coupons) of JISK6251-1993 defined.
Next, tensile speed is set using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation In 200mm/min, tensile modulus of elasticity, tensile strength and the elongation at break of each dumbbell-shaped specimen piece are measured.
For tensile yield strength, the tensile yield strength at 23 DEG C, 85 DEG C and 105 DEG C is determined.Here, 23 DEG C of drawing The Shimadzu AUTOGRAPH AGS-J (5KN) for stretching yield strength Shimadzu Seisakusho Ltd.'s corporation is measured, at 85 DEG C and 105 DEG C The Shimadzu AUTOGRAPH AGS-100KN of tensile yield strength Shimadzu Seisakusho Ltd.'s corporation be measured.In arbitrary temp Lower tensile speed is all set in 200mm/min.
Show the result in following table 1 1-1.
It should be noted that by the stretching at 23 DEG C of embodiment 11-1~11-3 and comparative example 11-1,85 DEG C and 105 DEG C The relationship of yield strength and temperature is shown in Figure 14.In addition, by by embodiment 11-1~11-3 and comparative example 11-1 relative to 23 DEG C, the plotting of the temperature of tensile yield strength at 85 DEG C and 105 DEG C determining regression straight line (yield strength-temperature straight line) Slope, intercept and determining coefficient (R2) 1-1 shown in table 1.
[table 11-1]
Comparative example 11-1 Comparative example 11-2 Comparative example 11-3 Embodiment 11-1 Embodiment 11-2 Embodiment 11-3
Polyamide-based elastomer
1)UBESTA XPA 9055X1 100 70 70 70 70 70
Ethylene-acrylic acid copolymer
1)Nucrel NO35C 30
2)Nucrel AN42115C 30
Vinyl-acrylate copolymer
1)Elvaloy 3427AC 30
2)Elvaloy 3717AC 30
The ionomer of ethylene-methacrylic acid copolymer
1)Himilan 1855Zn 30
Stretch physical property
1) tensile strength (MPa) 41 27 36 22 29 30
2) elongation at break (%) 350 320 445 250 400 260
3) tensile modulus of elasticity (MPa) 303 238 266 208 222 253
Yield strength temperature dependency
1) tensile yield strength (MPa)
(23℃) 16.5 13 13.2 12.5 13 13
(85℃) 9.1 6.5 6.7 7 7.3 6.7
(105℃) 7.6 4 4.2 5.2 5.2 5
2) yield strength-temperature straight line
Intercept 18.955 15.543 15.743 14.549 15.2 15.228
Slope 0.1111 0.1085 0.1086 0.0889 0.0944 0.0985
R2 0.9939 0.9987 0.9987 1 0.9993 0.9989
It is found that coupons for being made by each embodiment as shown in table 11-1 and Figure 14, with by comparative example 11-1 system In the comparison of the coupons of work, yield strength-temperature straight line slope becomes smaller, and stretches the temperature of physical properties excellent and tensile yield strength Degree dependence becomes smaller.This is indicated with the carcass system formed using thermoplastic resin material identical with coupons shown in embodiment The tire made has durability, and the not influence vulnerable to temperature environment variation.In addition, the coupons made by each embodiment with It is compared by the coupons that comparative example makes, elasticity modulus is small, has flexibility, excellent impact resistance.
It should be noted that having been carried out turn to each tire formed with each thermoplastic resin materials of Examples and Comparative Examples Drum running test, also there is no problem for the as a result safety of all tire under steam.
" embodiment of the 12nd viewpoint of the invention "
In the following, further illustrating the present invention of the 12nd viewpoint with embodiment.But the present invention of the 12nd viewpoint does not limit In these embodiments.
Firstly, according to above-mentioned 12-2 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming tire The material of body uses the material recorded in following table 1 2-1.In addition, being commented for each Examples and Comparative Examples by the physical property of material Valence investigates tyre performance.
The production > of < coupons
1. Thermoplastic polyamide elastomer
Ube Industries, Ltd's system, UBESTA, XPA 9055X1
2. ethylene-methacrylic acid copolymer (specific copolymer)
Du Pont-Mitsui Polychemicals Co., Ltd. system, Nucrel, N035C
Du Pont-Mitsui Polychemicals Co., Ltd. system, Nucrel, AN42115C
3. ethylene-ethyl acrylate copolymer (specific acid modified copolymer)
Du Pont-Mitsui Polychemicals Co., Ltd. system, HPR, AR2011
(production of particle)
The elastomer and vinyl-acrylate copolymer are mixed into (quality mark to form shown in table 12-1 It is quasi-), made LABOPLASTOMILL 50MR double screw extruder is made by (strain) Toyo Seiki and is kneaded, is obtained Grain.It should be noted that preparing polyamide-based thermoplastic elastic in the case where not forming mixed system in comparative example 12-1 The particle of body.
1. tensile strength of <, elongation at break, tensile modulus of elasticity and breaking state evaluation >
It using ready particle, is injection moulded with the SE30D of Sumitomo Heavy Industries Ltd's corporation, makes forming temperature 200 DEG C~240 DEG C, mold temperature be 50 DEG C~70 DEG C, using the mold of 12.7mm × 127mm, thickness 1.6mm, obtain coupons.
Punching press is carried out to each coupons, makes the dumbbell-shaped specimen piece (No. 5 coupons) of JISK6251-1993 defined.
It should be noted that for the particle of comparative example 12-2, due to that can not be infused under the conditions of the injection moulding Molding is penetrated, therefore, using the electric heating press of little Ping manufacturing company, 5 points are heated to particle under the conditions of 200 DEG C, 12MPa Thus clock carries out hot pressing, obtain the coupons of 120mm × 120mm, thickness 2mm.
Next, tensile speed is set using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation In 200mm/min, tensile modulus of elasticity, tensile strength, elongation at break and the fracture shape of each dumbbell-shaped specimen piece are studied State.Show the result in following table 1 2-1.
For breaking state, the section of coupons is visually observed, is evaluated based on following evaluation criterions.
Evaluation criterion-
Zero: coupons are broken because of ductile fracture.
△: coupons are broken because stratiform is destroyed.
×: coupons are broken because of brittle break.
2. fluidity evaluating of < (MFR (g/10 minutes, 230 DEG C)) >
For each particle of Examples and Comparative Examples, the SEMI MELT INDEX of Toyo Seiki manufacturing company is used 2A type is based on ASTM A1238 (B method), applies the load of 21.18N, 49.03N or 98.07N, is measured mobility (MFR).It will knot Fruit 2-1 shown in table 1.It should be noted that measuring since load small (21.18N), it can not measure MFR's under this condition In the case of, apply bigger load and is measured.After measurement starts, for measurement can't be started after 3 minutes, in table In be shown as "-".
[table 12-1]
Comparative example 12-1 Comparative example 12-2 Comparative example 12-3 Comparative example 12-4 Embodiment 12-1 Embodiment 12-2
Thermoplastic polyamide elastomer
UBESTA XPA 9055X1 100 70 70 70 70 70
The sour modified body of vinyl-acrylate copolymer
HPR AR2011 30 15 10
Ethylene-methacrylic acid copolymer
Nucrel NO350 30 15 20
Nucrel AN42115C 30
Stretch physical property
1) tensile strength (MPa) 41 17 27 36 29 35
2) elongation at break (%) 350 225 320 445 210 290
3) tensile modulus of elasticity (MPa) 303 180 238 266 239 258
4) breaking state ○ ○ Zero~△ △ ○ ○
Mobility
MFR load 21.18N 20.1 - 18.87 27.73 - -
MFR load 49.03N - - 4.18
MFR load 98.07N - 8.22
Can determine as shown in table 12-1, for the coupons made by each embodiment, with the sample that is made by comparative example In the comparison of piece, elasticity modulus becomes smaller, softness, therefore, with thermoplastic resin material shape identical with such coupons In the case where at tire, the tire of excellent impact resistance can be made into.In turn, according to the evaluation result of breaking state, by embodiment The coupons of manufacture are ductile fractures.Thus, for the wheel formed with thermoplastic resin material identical with such coupons It for tire, can speculate even if assuming tyre injury, also be not susceptible to explosion damage, it is known that breaking property is excellent.
In addition, the mobility of the coupons made by each embodiment is excellent.Thus, it may be determined that if with such examination The identical thermoplastic resin material of print, then be easy to be injection moulded, and can efficiently carry out the manufacture of tire, can be improved The productivity of tire.
It should be noted that for the thermoplastic resin material with each coupons same composition with Examples and Comparative Examples Each tire formed, has carried out rotary drum running test, also there is no problem for the as a result safety of all tire under steam.
" embodiment of the 13rd viewpoint of the invention "
In the following, further illustrating the present invention of the 13rd viewpoint with embodiment.But the present invention of the 13rd viewpoint does not limit In these embodiments.
Firstly, according to above-mentioned 13-2 embodiment, the tire of formed embodiment and comparative example.At this moment, for forming tire The material of body uses the material recorded in following table 1 3-1 and 13-2.In addition, for each Examples and Comparative Examples, by material Evaluation of physical property investigates tyre performance.
(production of coupons)
1. Thermoplastic polyamide elastomer
Ube Industries, Ltd's system, UBESTA, XPA 9055X1
2. rubber
1) butadiene rubber (BR)
2) styrene butadiene copolymers rubber (SBR)
3) acrylonitrile-butadiene copolymer rubber (NBR)
BR, SBR and NBR are squeezed out by single screw extrusion machine and are used after granulating.
3. the thermoplastic elastomer (TPE) of affine rubber
1) sour modified alpha-olefin series thermoplastic elastomer
Mitsui Chemicals, Inc.'s system, TAFMER, MH7010
2) the modified hydrogenated polystyrene thermoplastic elastomer (TPE) (SEBS) of acid
Asahi Kasei Corporation's system, Tuftec, M1913
4) vulcanized rubber (DV1~DV3)
Using each rubber of described BR, SBR and NBR, the ingredient of type shown in following table 1 3-1 and amount is mixed, class primary is passed through In kneading machine be kneaded, after being milled into sheet with double roller, squeezed out by single screw extrusion machine and used after granulating.
It should be noted that obtained rubber is the mixing in double screw extruder with Thermoplastic polyamide elastomer In be crosslinked.
[table 13-1]
With mixture DV1 DV2 DV3
BR 100
SBR 100
NBR 100
Common sulphur (5% oil processing) 0.525 0.525 0.525
N, N '-diphenyl methane dimaleimide 2 2 2
Accelerant CZ 1.5 1.5 1.5
Promotor TS 1 1 1
Stearic acid 2 2 2
Zinc oxide II (ZnO) 5 5 5
The details of common sulphur, accelerant CZ and promotor TS in table 13-1 is as described below.
Common sulphur ... He Jian chemical industrial company system, common sulphur
The emerging chemical industrial company's system of accelerator CZ ... imperial palace " Nocceler CZ "
(N cyclohexyl 2 benzothiazole sulfenamide)
The emerging chemical industrial company's system of promotor TS ... imperial palace " Nocceler TS ")
(tetramethylthiuram monosulfide)
(production of the particle of thermoplastic resin material)
The elastomer is mixed into (quality standard) to form shown in table 13-2, it is public to make institute by Toyo Seiki The LABOPLASTOMILL 50MR double screw extruder of department's system is kneaded, and particle is obtained.It should be noted that in comparative example In 13-1, prepare the particle of Thermoplastic polyamide elastomer in the case where not forming mixed system.
1. tensile strength, elongation at break and tensile modulus of elasticity evaluation
The particle of use production is injection moulded with the SE30D of Sumitomo Heavy Industries Ltd's corporation, makes 200 DEG C of forming temperature ~235 DEG C, mold temperature be 50 DEG C~70 DEG C, using the mold of 12.7mm × 127mm, thickness 1.6mm, obtain coupons.
Punching press is carried out to each test film, makes the dumbbell-shaped specimen piece (No. 5 coupons) of JISK6251:1993 defined.
Next, tensile speed is set using the Shimadzu AUTOGRAPH AGS-J (5KN) of Shimadzu Seisakusho Ltd.'s corporation In 200mm/min, tensile modulus of elasticity, tensile strength and the elongation at break of each dumbbell-shaped specimen piece are measured.
Show the result in following table 1 3-2.
2.tan δ measurement
Using the Measurement of Dynamic Viscoelasticity testing machine " ARES III " of Rheometric corporation, 30 DEG C of measuring temperature is surveyed Determine the loss angle tangent (tan δ) under the conditions of frequency 20Hz and dynamic strain 1%.
The tensile strength of the coupons of Examples and Comparative Examples, elongation at break, tensile modulus of elasticity and tan δ are shown in Table 13-2.
[table 13-2]
It is found that coupons for being made by each embodiment as shown in table 13-2, with the coupons that are made by comparative example Comparison in, tensile modulus of elasticity is small, is imbued with flexibility.This is indicated with use thermoplastic identical with coupons shown in embodiment Property resin material formed carcass manufacture tire excellent impact resistance, for example, have even if tire interface kerb etc. Non-damageable durability.In addition, the coupons of embodiment, compared with the coupons of comparative example, tan δ is small.Thus, it may be determined that The rolling resistance of the tire manufactured with thermoplastic resin material identical with coupons shown in embodiment is inhibited, will in this way Tire applications when automobile, can express low fuel consumption rate.
It should be noted that having been carried out turn to each tire formed with each thermoplastic resin materials of Examples and Comparative Examples Drum running test, also there is no problem for the as a result safety of all tire under steam.
Invention is included in the present invention of the 1st viewpoint below.
A kind of [1-1] tire is that at least have to be formed by thermoplastic resin material and be cricoid tyre framework body Tire,
There is the reinforcement cord for along the circumferential direction winding and being formed reinforcing cord layer in the peripheral part of the tyre framework body Component,
The thermoplastic resin material includes at least Thermoplastic polyamide elastomer.
[1-2] tire according to [1-1], wherein the reinforcing cord layer includes resin material and constitutes.
[1-3] tire according to [1-1] or [1-2], wherein the heat comprising Thermoplastic polyamide elastomer The fusing point of plastic resin material is 100 DEG C~250 DEG C.
[1-4] tire according to any one of [1-1]~[1-3], wherein poly- in the thermoplastic resin material The containing ratio of amide based thermoplastic elastomer is 50~100 mass %.
Invention is included in the present invention of the 2nd viewpoint below.
A kind of [2-1] tire is the wheel at least with the cricoid tyre framework body formed by thermoplastic resin material Tire,
There is the reinforcement cord for along the circumferential direction winding and being formed reinforcing cord layer in the peripheral part of the tyre framework body Component,
The thermoplastic resin material includes at least Thermoplastic polyamide elastomer and the polyamide-based thermoplastic elastomehc Other elastomers other than property body.
[2-2] tire according to [2-1], wherein the reinforcing cord layer includes resin material and constitutes.
[2-3] tire according to [2-1] or [2-2], wherein in the thermoplastic resin, the polyamide-based heat Thermoplastic elastic (x) and the mass ratio (x:y) of other elastomers (y) are 95:5~60:40.
[2-4] tire according to any one of [2-1]~[2-3], wherein other elastomers are selected from poly- ammonia Ester based thermoplastic elastomer, polyolefin thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE) and Polyester thermoplastic elastomehc Any one of property body.
Invention is included in the present invention of the 3rd viewpoint below.
A kind of [3-1] tire is that at least have to be formed by thermoplastic resin material and be cricoid tyre framework body Tire,
The thermoplastic resin material includes: Thermoplastic polyamide elastomer, and to the polyamide-based thermoplastic elastomehc Property body other than thermoplastic elastomer (TPE) carry out acid it is modified obtained from acid modified elastomer or the polyamide-based thermoplastic elastic Thermoplastic elastomer (TPE) other than body and the mixture to elastomer progress acid acid modified elastomer obtained from modified.
[3-2] tire according to [3-1], wherein the acid value of the thermoplastic resin material is 0.1mg-CH3ONa/ G is more than or lower than 2.2mg-CH3ONa/g。
[3-3] tire according to [3-1] or [3-2], wherein the polyamide in the thermoplastic resin material The quality of based thermoplastic elastomer with other than, the Thermoplastic polyamide elastomer thermoplastic elastomer (TPE) and the acid it is modified Ratio (the quality of the Thermoplastic polyamide elastomer: the Thermoplastic polyamide elastomer of the gross mass of elastomer The gross mass of thermoplastic elastomer (TPE) and the sour modified elastomer in addition) it is 90:10~60:40.
[3-4] tire according to any one of [3-1]~[3-3], wherein poly- in the thermoplastic resin material The content of amide based thermoplastic elastomer is 55 mass of mass %~95 %.
A kind of [3-5] manufacturing method of tire, include at least following process: tyre framework piece formation process utilizes heat Plastic resin material forms the tyre framework piece for constituting a part of cricoid tyre framework body, the thermoplastic resin material packet Contain: Thermoplastic polyamide elastomer, and acid is carried out to the thermoplastic elastomer (TPE) other than the Thermoplastic polyamide elastomer Thermoplastic elastomer (TPE) other than acid modified elastomer or the Thermoplastic polyamide elastomer obtained from modification and to the bullet Property body carry out acid it is modified obtained from acid modified elastomer mixture；
Tyre framework chip bonding process applies heat to the joint portion of the tyre framework piece to make pairs of 2 or more The tyre framework piece welding and form the tyre framework body.
The manufacturing method of [3-6] tire according to [3-5], wherein the acid value of the thermoplastic resin material is 0.1mg-CH3ONa/g is more than or lower than 2.2mg-CH3ONa/g。
The manufacturing method of [3-7] tire according to [3-6], wherein the tyre framework piece formation process includes to make Injection molding process is carried out with the thermoplastic resin material.
Invention is included in the present invention of the 4th viewpoint below.
A kind of [4-1] tire is the tire with the cricoid tyre framework body formed using thermoplastic resin material,
The thermoplastic resin material contains: thermoplastic elastomer (TPE) and fiber in molecule with hard segment and soft chain segment The acicular grains that length is 1 μm~500 μm and fibre diameter is 0.01 μm~10.0 μm.
[4-2] tire according to [4-1], wherein relative to the gross mass of the thermoplastic resin material, the needle Range of the content of shape crystal grain in 0.1 mass of mass %~10 %.
[4-3] tire according to [4-1] or [4-2], wherein the acicular grains are selected from metal oxide, gold Belong to the inorganic particle in nitride, metal carbonate, metal silicate, metal titanate, metal sulfate and metal borate.
[4-4] tire according to any one of [4-1]~[4-3], wherein the thermoplastic elastomer (TPE) is selected from poly- Thermoplastic elastic in amide based thermoplastic elastomer, Polyester thermoplastic elastomer (TPE) and polystyrene thermoplastic elastomer (TPE) Body.
Invention is included in the present invention of the 5th viewpoint below.
A kind of [5-1] tire is that at least have the tire for forming and be cricoid tyre framework body by resin material,
The resin material includes: thermoplastic elastomer (TPE) and glass transition in molecule with hard segment and soft chain segment The temperature resin higher than the glass transition temperature of the hard segment.
[5-2] tire according to [5-2], wherein glass of the resin than the hard segment of the thermoplastic elastomer (TPE) High 20 DEG C of glass transition temperature or more.
[5-3] tire according to [5-1] or [5-2], wherein the hard segment relative to the thermoplastic elastomer (TPE) (x) mass ratio (x+y:z) with the soft chain segment (z) of the total amount of the resin (y) (x+y), described thermoplastic elastomer (TPE) is 10: 90~90:10.
[5-4] tire according to any one of [5-1]~[5-3], wherein the thermoplastic elastomer (TPE) is selected from poly- At least one of amide based thermoplastic elastomer and polyester-based elastomer.
[5-5] tire according to any one of [5-1]~[5-4], wherein the resin is selected from polyphenylene oxide, gathers Diphenyl sulfide, polyethylene terephthalate, polybutylene terephthalate (PBT), polyethylene naphthalate, poly- naphthalene diformazan At least one of sour butanediol ester, poly terephthalic acid 1,3- propylene glycol ester, polycarbonate and polyarylate.
Invention is included in the present invention of the 6th viewpoint below.
A kind of [6-1] tire is the tire with the cricoid tyre framework body formed using thermoplastic resin material,
The volume resistivity of the tyre framework body is 1.0 × 106~1.0 × 1010Range.
[6-2] tire according to [6-1], wherein the tyre framework body contains anti-static material.
[6-3] tire according to [6-1] or [6-2], wherein the thermoplastic resin material includes thermoplastic elastic Body.
[6-4] tire according to [6-2] or [6-3], wherein the anti-static material is phosphate system ionic conduction Agent.
Invention is included in the present invention of the 7th viewpoint below.
A kind of [7-1] tire is the wheel at least with the cricoid tyre framework body formed by thermoplastic resin material Tire,
The thermoplastic resin material includes: thermoplastic elastomer (TPE) in molecule with hard segment and soft chain segment and described Other than thermoplastic elastomer (TPE) with the same kind of resin of the hard segment.
[7-2] tire according to [7-1], wherein the elasticity modulus of the resin is 100MPa or more.
[7-3] tire according to [7-1] or [7-2], wherein the quality of the thermoplastic elastomer (TPE) and the resin It is 95:5~50:50 than (thermoplastic elastomer (TPE): the resin).
[7-4] tire according to any one of [7-1]~[7-3], wherein the institute in the thermoplastic resin material The content for stating thermoplastic elastomer (TPE) is 50 mass of mass %~95 %.
[7-5] tire according to any one of [7-1]~[7-4], wherein the thermoplastic elastomer (TPE) is polyamide Based thermoplastic elastomer, and the resin is polyamide resin.
Invention is included in the present invention of the 8th viewpoint below.
A kind of [8-1] tire is the tire at least with the cricoid tyre framework body formed by resin material,
The resin material includes at least: the glass transition other than thermoplastic elastomer (TPE) and the thermoplastic elastomer (TPE) Temperature is the big resin of the elasticity modulus of thermoplastic elastomer (TPE) described in 20 DEG C or less and modular ratio.
[8-2] tire according to [8-1], wherein the resin is acid modified resin.
[8-3] tire according to [8-2], wherein the acid modified resin is in acid-modified polyolefin resin At least one.
[8-4] tire according to [8-2] or [8-3], wherein the resin material also includes the thermoplastic elastic Not acid-modified resin other than body.
[8-5] tire according to [8-4], wherein the not acid-modified resin is in polyolefin resin At least one.
[8-6] tire according to [8-1], wherein the resin is not acid-modified resin.
[8-7] tire according to [8-6], wherein the not acid-modified resin is in polyolefin resin At least one.
[8-8] tire according to any one of [8-1]~[8-7], wherein the thermoplastic elastomer (TPE) is selected from poly- Amide based thermoplastic elastomer, Polyester thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE) and polyurethane series thermoplasticity At least one of elastomer.
Invention is included in the present invention of the 9th viewpoint below.
A kind of [9-1] tire is the tire at least with the cricoid tyre framework body formed by resin material,
The resin material includes at least: the vitrifying other than the 1st thermoplastic elastomer (TPE), the 1st thermoplastic elastomer (TPE) Transition temperature is same kind of with the resin for having other than 20 DEG C of resins below and the 1st thermoplastic elastomer (TPE) 2nd thermoplastic elastomer (TPE) of hard segment.
[9-2] tire according to [9-1], wherein the resin is acid modified resin.
[9-3] tire according to [9-2], wherein the acid modified resin is in acid-modified polyolefin resin At least one.
[9-4] tire according to [9-3], wherein the 2nd thermoplastic elastomer (TPE) is olefin-based thermoplastic elastic Body.
[9-5] tire according to any one of [9-2]~[9-4], wherein the resin material also includes described Not acid-modified resin other than 1 thermoplastic elastomer (TPE) and the 2nd thermoplastic elastomer (TPE).
[9-6] tire according to [9-5], wherein the not acid-modified resin is in olefin resin It is at least one.
[9-7] tire according to [9-6], wherein the acid modified resin be acid-modified polyolefin resin, it is described not Acid-modified resin is polypropylene, and the 2nd thermoplastic elastomer (TPE) is to include polyacrylic olefin-based thermoplastic elastic Body.
[9-8] tire according to any one of [9-1]~[9-7], wherein the 1st thermoplastic elastomer (TPE) is choosing From Thermoplastic polyamide elastomer, Polyester thermoplastic elastomer (TPE), polyurethane series thermoplastic elastomer (TPE) and polystyrene heat At least one of thermoplastic elastic.
Invention is included in the present invention of the 10th viewpoint below.
A kind of [10-1] tire is the wheel at least with the cricoid tyre framework body formed by thermoplastic resin material Tire,
There is the reinforcement cord for along the circumferential direction winding and being formed reinforcing cord layer in the peripheral part of the tyre framework body Component,
The thermoplastic resin material includes at least Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE).
[10-2] tire according to [10-1], wherein the reinforcing cord layer includes resin material and constitutes.
[10-3] tire according to [10-1] or [10-2], wherein described polyamide-based in the thermoplastic resin Thermoplastic elastomer (TPE) (x) and the mass ratio (x:y) of the polyester thermoplastic elastomer (y) are 95:5~50:50.
[10-4] tire according to any one of [10-1]~[10-3], wherein in the thermoplastic resin material Thermoplastic polyamide elastomer and Polyester thermoplastic elastomer (TPE) total content be 50 mass of mass %~100 %.
Invention is included in the present invention of the 11st viewpoint below.
Tire [11-1] of the invention is that at least have the cricoid tyre framework body formed by thermoplastic resin material Tire,
The thermoplastic resin material contains: Thermoplastic polyamide elastomer and alkene-(methyl) acrylic ester copolymer At least one of the metal corsslinking body of object and alkene-(methyl) acrylic copolymer copolymer.
[11-2] tire according to [11-1], wherein the Thermoplastic polyamide elastomer (x) and the copolymerization The mass ratio (x:y) of object (y) is 95:5~50:50.
[11-3] tire according to [11-1] or [11-2], wherein described poly- in the thermoplastic resin material The total content of amide based thermoplastic elastomer and the copolymer is the 50 mass mass of %~100 %.
[11-4] tire according to any one of [11-1]~[11-3], wherein alkene-(methyl) acrylic acid Ester copolymer is ethylene-(methyl) acrylate copolymer.
[11-5] tire according to any one of [11-1]~[11-4], wherein alkene-(methyl) acrylic acid The metal corsslinking body of copolymer is the metal corsslinking body of ethylene-(methyl) acrylic copolymer.
Invention is included in the present invention of the 12nd viewpoint below.
A kind of [12-1] tire is the wheel at least with the cricoid tyre framework body formed by thermoplastic resin material Tire,
The thermoplastic resin material contains: Thermoplastic polyamide elastomer, alkene-(methyl) acrylic copolymer, Acid modified copolymer obtained from acid is modified is carried out with to alkene-(methyl) acrylate copolymer.
[12-2] tire according to [12-1], wherein the Thermoplastic polyamide elastomer (x) and, the alkene Hydrocarbon-(methyl) acrylic copolymer (y) and the mass ratio (x:y+z) of the sour modified copolymer (z) are 95:5~50:50.
[12-3] tire according to [12-1] or [12-2], wherein described poly- in the thermoplastic resin material The total content of amide based thermoplastic elastomer, the alkene-(methyl) acrylic copolymer and the sour modified copolymer is 50 The mass of quality %~100 %.
[12-4] tire according to any one of [12-1]~[12-3], wherein alkene-(methyl) acrylic acid Copolymer is ethylene-(methyl) acrylic copolymer, and the acid modified copolymer is to ethylene-(methyl) acrylate copolymer Carry out acid modified copolymer obtained from acid is modified.
A kind of [12-5] manufacturing method of tire includes at least following process: tyre framework piece formation process, using containing There are Thermoplastic polyamide elastomer, alkene-(methyl) acrylic copolymer and to alkene-(methyl) acrylate copolymer The thermoplastic resin material for carrying out acid modified copolymer obtained from acid is modified forms one of the cricoid tyre framework body of composition The tyre framework piece divided；
Tyre framework chip bonding process applies heat to the joint surface of the tyre framework piece to make pairs of 2 or more The tyre framework piece welding and form the tyre framework body.
[12-6] manufacturing method according to [12-5], wherein alkene-(methyl) acrylic copolymer is second Alkene-(methyl) acrylic copolymer, the acid modified copolymer are to carry out acid to ethylene-(methyl) acrylate copolymer to be modified Obtained from acid modified copolymer.
Invention is included in the present invention of the 13rd viewpoint below.
A kind of [13-1] tire is the wheel at least with the cricoid tyre framework body formed by thermoplastic resin material Tire,
There is the reinforcement cord for along the circumferential direction winding and being formed reinforcing cord layer in the peripheral part of the tyre framework body Component,
The thermoplastic resin material includes at least Thermoplastic polyamide elastomer and rubber.
[13-2] tire according to [13-1], wherein the thermoplastic resin material also includes and the rubber The good thermoplastic elastomer (TPE) of compatibility.
[13-3] tire according to [13-1] or [13-2], wherein the reinforcing cord layer include resin material and It constitutes.
[13-4] tire according to any one of [13-1]~[13-3], wherein in the thermoplastic resin material, The mass ratio (x:y) of the Thermoplastic polyamide elastomer (x) and the rubber (y) is 95:5~50:50.
[13-5] tire according to [13-2] or [13-3], wherein in the thermoplastic resin material, the polyamides The matter of amine system thermoplastic elastomer (TPE) (x) and, the rubber (y) and the thermoplastic elastomer (TPE) (z) good with the compatibility of the rubber Amount is 95:5~50:50 than (x:y+z).
[13-6] tire according to any one of [13-1]~[13-4], wherein in the thermoplastic resin material The Thermoplastic polyamide elastomer and the rubber total content be 50 mass of mass %~100 %.
[13-7] tire according to [13-2], [13-3] or [13-5], wherein in the thermoplastic resin material The Thermoplastic polyamide elastomer, the rubber and the thermoplastic elastomer (TPE) good with the compatibility of the rubber always contain Amount is 50 mass of mass %~100 %.
It should be noted that by referring to by Japanese publication 2010-188918, Japanese publication 2010-188919, Japanese Shen It please 2010-188922, Japanese publication 2010-188902, Japanese publication 2010-188923, Japanese publication 2010-188901, day The application 2010-203676, Japanese publication 2010-188900, Japanese publication 2010-188915, Japanese publication 2010- 188903, Japanese publication 2010-203732, Japanese publication 2010-258041, Japanese publication 2010-258040, Japanese publication The disclosure of 2011-183311 is introduced into this specification.
All documents, patent application and the technical standard recorded in this specification by referring to being introduced in this specification, Each document, patent application and technical standard by referring to the case where being introduced into specific and degree phase the case where respectively record Together.

Claims (8)

1. a kind of tire, at least has the cricoid tyre framework body formed by resin material, the tyre framework body has Bead core in the peripheral part of the tyre framework body there is the covering of the formation reinforcing cord layer along the circumferential direction wound to reinforce curtain Line components, which is characterized in that
The resin material includes at least: the glass transition temperature other than thermoplastic elastomer (TPE) and the thermoplastic elastomer (TPE) For 20 DEG C or less and elasticity of the thermoplastic elastomer (TPE) described in the modular ratio at 23 ± 2 DEG C of temperature at 23 ± 2 DEG C of temperature The big resin of modulus,
The covering reinforcement cord component is covered with different from the resin material for forming the tyre framework body on cord component The covering resin material of type,
The covering resin material is the resin material not comprising vulcanized rubber.
2. tire according to claim 1, wherein the resin is acid modified resin.
3. tire according to claim 2, wherein the acid modified resin be in acid-modified polyolefin resin extremely Few one kind.
4. tire according to claim 2, wherein the resin material also include other than the thermoplastic elastomer (TPE) not Acid-modified resin.
5. tire according to claim 4, wherein the not acid-modified resin be in polyolefin resin extremely Few one kind.
6. tire according to claim 1, wherein the resin is not acid-modified resin.
7. tire according to claim 6, wherein the not acid-modified resin be in polyolefin resin extremely Few one kind.
8. tire described according to claim 1~any one of 7, wherein the thermoplastic elastomer (TPE) is selected from polyamide Based thermoplastic elastomer, Polyester thermoplastic elastomer (TPE), polystyrene thermoplastic elastomer (TPE) and polyurethane series thermoplastic elastic At least one of body.
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JP2010-188902 2010-08-25
JP2010188918A JP5778402B2 (en) 2010-08-25 2010-08-25 tire
JP2010188903A JP5701542B2 (en) 2010-08-25 2010-08-25 tire
JP2010188923A JP5971889B2 (en) 2010-08-25 2010-08-25 tire
JP2010-188922 2010-08-25
JP2010-188918 2010-08-25
JP2010-188923 2010-08-25
JP2010188922A JP5778403B2 (en) 2010-08-25 2010-08-25 tire
JP2010-188915 2010-08-25
JP2010-188901 2010-08-25
JP2010-188919 2010-08-25
JP2010188919A JP5993545B2 (en) 2010-08-25 2010-08-25 tire
JP2010188900A JP5604226B2 (en) 2010-08-25 2010-08-25 tire
JP2010-188900 2010-08-25
JP2010-188903 2010-08-25
JP2010188901A JP5551020B2 (en) 2010-08-25 2010-08-25 tire
JP2010188915 2010-08-25
JP2010188902A JP5901105B2 (en) 2010-08-25 2010-08-25 Pneumatic tire and method for manufacturing pneumatic tire
JP2010-203732 2010-09-10
JP2010-203676 2010-09-10
JP2010203732A JP5788654B2 (en) 2010-09-10 2010-09-10 Tire manufacturing method
JP2010203676A JP5758097B2 (en) 2010-09-10 2010-09-10 tire
JP2010258040 2010-11-18
JP2010258041A JP6095882B2 (en) 2010-11-18 2010-11-18 tire
JP2010-258040 2010-11-18
JP2010-258041 2010-11-18
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