CN102604243A - Radial truck tire air-tight layer component and preparation process thereof - Google Patents

Radial truck tire air-tight layer component and preparation process thereof Download PDF

Info

Publication number
CN102604243A
CN102604243A CN2012100683409A CN201210068340A CN102604243A CN 102604243 A CN102604243 A CN 102604243A CN 2012100683409 A CN2012100683409 A CN 2012100683409A CN 201210068340 A CN201210068340 A CN 201210068340A CN 102604243 A CN102604243 A CN 102604243A
Authority
CN
China
Prior art keywords
parts
tire air
air
barrier component
heavy load
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN2012100683409A
Other languages
Chinese (zh)
Inventor
杨明成
朱军
应世洲
李召朋
张本尚
宋卫东
郭磊
邓鹏飏
李坤豪
陈海军
郭东权
刘克波
赵惠东
张宏娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INSTITUTE OF ISOTOPE CO Ltd HENNA ACADEMY OF SCIENCES
Aeolus Tyre Co Ltd
Original Assignee
INSTITUTE OF ISOTOPE CO Ltd HENNA ACADEMY OF SCIENCES
Aeolus Tyre Co Ltd
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
Application filed by INSTITUTE OF ISOTOPE CO Ltd HENNA ACADEMY OF SCIENCES, Aeolus Tyre Co Ltd filed Critical INSTITUTE OF ISOTOPE CO Ltd HENNA ACADEMY OF SCIENCES
Priority to CN2012100683409A priority Critical patent/CN102604243A/en
Publication of CN102604243A publication Critical patent/CN102604243A/en
Pending legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Tires In General (AREA)

Abstract

The invention belongs to the technical field of processing of rubber tires, and particularly relates to a radial truck tire air-tight layer component and a preparation process thereof. The radial truck tire air-tight layer component comprises the following substances in parts by mass: 100 parts of rubber substrate, 40-100 parts of reinforcing system, 1-10 parts of anti-aging system, 4.7-15 parts of vulcanization system, 0-20 parts of radiation crosslinking sensitizer and 0-50 parts of additive aid. The method comprises the following steps of: mixing other substances except a vulcanizing agent, discharging glue, and adding the vulcanizing agent for preparing a rubber compound; and rolling the prepared rubber compound to obtain an air-tight layer sheet of 3-5 millimeters in thickness, performing cobalt source radiation treatment in the air to obtain the radial truck tire air-tight layer component, wherein the radiation dosage of the air-tight layer sheet is 5-50 kGy. The air-tight layer component which is subjected to radiation pretreatment has the advantages of high Green strength, high structural size stability, high air tightness, and capability of improving the tire quality at a lower radiation dosage.

Description

A kind of heavy load radial tire air barrier component and preparation technology thereof
Technical field
The invention belongs to the rubber tyre processing technique field, particularly a kind of heavy load radial tire air barrier component and preparation technology thereof.
Background technology
Along with the progress of expanding economy with society, tire is as the important support and the strategic resource of transportation, and its Status of development receives each national great attention.Tire is to be combined through the sulfuration typing by a plurality of parts that are main base material with elastomeric material; And the tubeless radial is as the development trend of tyre industry; Side is added with air retaining wall within it; Except protecting the cord body, can also prevent pneumatic tyre because pressure reduction gas oozes out body piles through rubber, play the function of pressurize sealed gas.It is good that the tubeless radial has resistance to air loss, and good heat dissipation is simple in structure; Advantages such as light weight, but in tire production, Green's intensity of air retaining wall rubber is not high; During the typing inflation; Displacement and distortion can take place under the high pressure sulfuration, be unfavorable for realizing that the glue-line thin and thick is evenly smooth, and the resistance to air loss of tire also demand obtaining further raising urgently.Therefore; How to improve Green's intensity of air retaining wall rubber, improve the air-tightness of carcass air barrier component, the homogeneity and the stability of structure of glue-line during assurance later stage tire machine-shaping; Reach the purpose that improves the tire quality, become the problem that urgent need is researched and solved in current this area.
Summary of the invention
The object of the present invention is to provide a kind of heavy load radial tire air barrier component and preparation technology; Can overcome that present air retaining wall rubber Green intensity is low, the homogeneity of glue-line and the defective of scantlings of the structure less stable during later stage tire machine-shaping, and it is good to obtain the air retaining wall performance of sizing material.
The technical scheme that the present invention adopts is following:
A kind of heavy load radial tire air barrier component forms according to following prepared: at first get each material by following mass parts: rubber substrate: 100 parts; Reinforcement system: 40-100 part; Preventing aging system: 1-10 part; Vulcanization system: 4.7-15 part; Radiation crosslinking sensitizer: 0-20 part; Add auxiliary agent 0-50 part; With above mixing, the binder removal of other materials except vulcanization system, add the preparation that vulcanization system carries out rubber unvulcanizate afterwards; It is the air retaining wall sheet material of 3-5mm that the calendering of the rubber unvulcanizate that makes is obtained thickness, and in air, carries out cobalt source radiotreatment and obtain said heavy load radial tire air barrier component, and air retaining wall sheet material radiation dose is 5-50kGy.
Described rubber substrate is one or more the mixture in halogenated butyl rubber, high cis-1,4-polyisoprene rubber, styrene-butadiene rubber(SBR), X 050, ethylene-propylene rubber(EPR), the tree elastomer.
Described reinforcement system is a carbon black.Kind of carbon black can be selected carbon black N660.
Described preventing aging system is N-(1, the 3-dimethylbutyl)-N '-diphenyl-para-phenylene diamine, 2,2, and 4-trimethylammonium-1,2-dihyaroquinoline polymer or N, N-DTPD di tolyl p phenylenediamine.
Described vulcanization system comprises insoluble sulfur, vulcanization accelerator and vulcanization leveller; Vulcanization leveller is zinc oxide, Natural manganese dioxide or Triple Pressed Stearic Acid, and vulcanization accelerator is a dibenzothiazole disulfide.
Preferably, vulcanization accelerator 1-3 part, vulcanization activator 3-8 part, insoluble sulfur 0.7-4 part.
Described radiation crosslinking sensitizer is triallyl isocyanurate, trimethylolpropane trimethacrylate or dimethacrylate TEG ester.
Described interpolation auxiliary agent consists of 0-28 part RX and 0-22 part carbon hydrocarbon hybrid resin.
Do not add vulcanization system and carry out when mixing, the melting temperature scope is 140-170 ℃, and mixing time is 3-15min; Add behind the vulcanization system in the 90-120 ℃ of 3-10min that plasticates.
The principle of radiation pre-treatment air barrier component of the present invention is through the Co-60 gammairradiation, utilizes gamma-rays higher penetrating ability to realize the even prevulcanized on the depth of material, and energetic ray is through the irradiation rubber substrate; Activate rubber macromolecule; Produce living radical, the reaction that mutually combines between these radicals takes place crosslinked; Formation-C-C-key combines to form a tridimensional network with rubber macromolecule.Adopt the radiation pre-curing technology; Realize the prevulcanized of radial air barrier component sizing material; Can significantly improve Green's intensity of all-steel radial tyre air barrier component rubber, reduce tire the flowing of air retaining wall sheet material when moulding, guarantee displacement and the distortion of tyre airtight layer parts sizing material in moulding is made; Improve tyre airtight layer block construction dimensional stability and thickness evenness, improve product quality; Through radiation pre-treatment to the tyre airtight layer parts; Form three crosslinking net macromole, can reduce the free space volumes between rubber macromolecule, reduced the rate of diffusion of gas molecule; Help to reduce the PQ of gas, improve the air-tightness of product; Through adding radiation crosslinking sensitizer, when satisfying raising film Green intensity, can reduce radiation dose simultaneously, save energy, enhance productivity.
Experiment detects, and the present invention can reach following effect: behind tyre airtight layer parts radiotreatment 5-50kGy dosage, improved Green's intensity of elastomeric material; Green's strength ratio of rubber not radiation has increased 40%-280%; Rubber sheet is tentatively finalized the design, reduce the generation of material deformation or mobile phenomenon, guaranteed the stability of product technology, structure and performance; The gas permeability coefficient of air retaining wall has reduced 20-45% simultaneously, and air-tightness is improved.As after 10kGy dosage radiation pre-treatment, its Green's intensity can reach 1.8MPa, and tensile yield maintains more than 900%, simultaneously nitrogen permeability reduction to 1.36 * 10 of air barrier component -17/ [m 2(Pas) -1], the air-tightness of air retaining wall has obtained bigger raising, can improve the tire quality at lower radiation dose.
The present invention has following advantage with respect to prior art:
Adopt the screening formulation and the radiation pre-vulcanization process of radial air barrier component of the present invention, the tyre element Green intensity of acquisition is high, scantlings of the structure is stable and air-tightness good; Radiation dose is little, and production efficiency is high, can effectively improve the tire quality, has reached the object of the invention.
Embodiment
Below with specific embodiment technical scheme of the present invention is described, but protection scope of the present invention is not limited thereto:
Related each component parts number average is in mass parts in the prescription.
Embodiment 1
Heavy load radial tire air barrier component rubber compounding: 80 parts of brominated butyl rubbers, 20 parts of tree elastomers, 60 parts of carbon black N660; 2 parts of Triple Pressed Stearic Acid; 4 parts in zinc oxide, 1.2 parts in anti-aging agent 4020 (6PPD), 1 part of insoluble sulfur; 1.5 parts of accelerant MBT S (DM), 8 parts of RXs (P-150).
It is mixing to adopt Banbury mixer that rubber substrate, preventing aging system, reinforcement system and interpolation auxiliary agent are carried out by above-mentioned prescription, and the melting temperature scope is 145-155 ℃, and mixing time is 5 minutes, with the mixing even back of glue binder removal; In mill, add vulcanization system then and plasticate, TR is 100-110 ℃, and the time is the preparation of 3 minutes completion rubber unvulcanizates; Roll according to heavy load radial tire air retaining wall production technique, process the air retaining wall sheet material, thickness is 4mm; It is indoor that the air retaining wall sheet material is placed on the cobalt source, in air, carries out radiotreatment, and dose rate is 8kGy/h; Air retaining wall sheet material radiation dose is 30kGy, accomplishes the preparation of the radial air barrier component of radiotreatment.
Detection shows: with without comparing before the radiation, rubber sheet Green intensity has been brought up to 2.2MPa from 1.0MPa, has not more improved 120% before the radiation, tensile yield is 950%, its nitrogen rate of permeation is 1.25 * 10 -17/ [m 2(Pas) -1]; Effectively improved the air-tightness of air retaining wall; Air retaining wall autohension and better with other parts ply adhesion maintenance, and film can effectively reduce the air barrier component distortion in process of production or the generation of displacement phenomenon, product structure size and stable performance through radiotreatment; Improved the quality of tire, product curability and sulfuration typing back mechanical property have been had no adverse effects.
Embodiment 2
Heavy load radial tire air barrier component rubber compounding: 72 parts of brominated butyl rubbers, 8 parts of tree elastomers, 20 parts of high cis-1,4-polyisoprene rubber; 60 parts of carbon black N660,3 parts of Triple Pressed Stearic Acid, 5 parts in zinc oxide; 3 parts in anti-aging agent 4020 (6PPD); 2.0 parts of insoluble sulfurs, 1.5 parts of accelerant MBT S (DM), 10 parts of RXs (P-150).
Its elastomeric material calendering process, air barrier component calendering preparation technology, radiation pretreatment technology are with embodiment 1.Through detecting, rubber sheet Green intensity has been brought up to 2.1MPa, and tensile yield is 900%, and the nitrogen rate of permeation is 1.42 * 10 -17/ [m 2(Pas) -1], prove and adopt the radiation preconditioning technique that air barrier component is implemented prevulcanized that decapacitation obviously improves outside the quality of product, can also effectively lower the consumption of tree elastomer, to the mechanical property and the almost not influence of air-tightness of vulcanizing back rubber.
Embodiment 3
Heavy load radial tire air barrier component rubber compounding: 72 parts of brominated butyl rubbers, 8 parts of tree elastomers, 20 parts of high cis-1,4-polyisoprene rubber; 60 parts of carbon black N660,2 parts of Triple Pressed Stearic Acid, 5 parts in zinc oxide; 3 parts in anti-aging agent 4020 (6PPD); 0.7 part of insoluble sulfur, 1.5 parts of accelerant MBT S (DM), 10 parts of RXs (P-150); 10 parts of radiation crosslinking sensitizer dimethacrylate TEG esters.
Its elastomeric material calendering process, air barrier component calendering preparation technology are with embodiment 1.In the radiation pretreatment technology, it is indoor that the air retaining wall sheet material is placed on the cobalt source, in air, carries out radiotreatment, and dose rate is 8kGy/h, and air retaining wall sheet material radiation dose is 10kGy, accomplishes the preparation of the radial air barrier component of radiotreatment.
Through detecting, rubber sheet Green intensity can reach 1.8MPa, and tensile yield is 940%, and the nitrogen rate of permeation is 1.36 * 10 -17/ [m 2(Pas) -1], more do not reduced by 30% before the radiation.It is thus clear that, add radiation crosslinking sensitizer through the pretreated air barrier component of radiation, can under lower radiation dose, improve its resistance to air loss, reduce radiotreatment dosage, save the energy, improved production efficiency.
The foregoing description is the preferred embodiment of the present invention, but embodiment of the present invention is not restricted to the described embodiments, and other the change that any the present invention of not deviating from did all should be the substitute mode of equivalence, is included within protection scope of the present invention.

Claims (10)

1. the preparation technology of a heavy load radial tire air barrier component is characterized in that, gets each material by following mass parts: rubber substrate: 100 parts; Reinforcement system: 40-100 part; Preventing aging system: 1-10 part; Vulcanization system: 4.7-15 part; Radiation crosslinking sensitizer: 0-20 part; Add auxiliary agent 0-50 part; With above mixing, the binder removal of other materials except vulcanization system, add the preparation that vulcanization system carries out rubber unvulcanizate afterwards; It is the air retaining wall sheet material of 3-5mm that the calendering of the rubber unvulcanizate that makes is obtained thickness, and in air, carries out cobalt source radiotreatment and obtain said heavy load radial tire air barrier component, and air retaining wall sheet material radiation dose is 5-50kGy.
2. the preparation technology of heavy load radial tire air barrier component as claimed in claim 1; It is characterized in that described rubber substrate is one or more the mixture in halogenated butyl rubber, high cis-1,4-polyisoprene rubber, styrene-butadiene rubber(SBR), X 050, ethylene-propylene rubber(EPR), the tree elastomer.
3. the preparation technology of heavy load radial tire air barrier component as claimed in claim 1 is characterized in that, described reinforcement system is a carbon black.
4. the preparation technology of heavy load radial tire air barrier component as claimed in claim 1 is characterized in that, described preventing aging system is N-(1; The 3-dimethylbutyl)-and N '-diphenyl-para-phenylene diamine, 2,2; 4-trimethylammonium-1,2-dihyaroquinoline polymer or N, N-DTPD di tolyl p phenylenediamine.
5. the preparation technology of heavy load radial tire air barrier component as claimed in claim 1 is characterized in that, described vulcanization system comprises insoluble sulfur, vulcanization accelerator and vulcanization leveller; Vulcanization leveller is zinc oxide, Natural manganese dioxide or Triple Pressed Stearic Acid, and vulcanization accelerator is a dibenzothiazole disulfide.
6. the preparation technology of heavy load radial tire air barrier component as claimed in claim 5 is characterized in that, vulcanization accelerator 1-3 part, vulcanization activator 3-8 part, insoluble sulfur 0.7-4 part.
7. the preparation technology of heavy load radial tire air barrier component as claimed in claim 1 is characterized in that, described radiation crosslinking sensitizer is triallyl isocyanurate, trimethylolpropane trimethacrylate or dimethacrylate TEG ester.
8. the preparation technology of heavy load radial tire air barrier component as claimed in claim 1 is characterized in that, described interpolation auxiliary agent consists of 0-28 part RX and 0-22 part carbon hydrocarbon hybrid resin.
9. like the preparation technology of the arbitrary described heavy load radial tire air barrier component of claim 1-8, it is characterized in that do not add vulcanization system and carry out when mixing, the melting temperature scope is 140-170 ℃, mixing time is 3-15min; Add behind the vulcanization system in the 90-120 ℃ of 3-10min that plasticates.
10. the heavy load radial tire air barrier component that obtained of the described preparation technology of claim 1-9.
CN2012100683409A 2012-01-13 2012-03-15 Radial truck tire air-tight layer component and preparation process thereof Pending CN102604243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012100683409A CN102604243A (en) 2012-01-13 2012-03-15 Radial truck tire air-tight layer component and preparation process thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201210009925 2012-01-13
CN201210009925.3 2012-01-13
CN2012100683409A CN102604243A (en) 2012-01-13 2012-03-15 Radial truck tire air-tight layer component and preparation process thereof

Publications (1)

Publication Number Publication Date
CN102604243A true CN102604243A (en) 2012-07-25

Family

ID=46522047

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012100683409A Pending CN102604243A (en) 2012-01-13 2012-03-15 Radial truck tire air-tight layer component and preparation process thereof

Country Status (1)

Country Link
CN (1) CN102604243A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103102603A (en) * 2012-12-27 2013-05-15 龙门多泰工业有限公司 Butyl rubber for automobile sealing and preparation method of butyl rubber
CN103483705A (en) * 2013-08-02 2014-01-01 山东永泰化工有限公司 Inner liner compound for truck tire
CN103756170A (en) * 2013-12-31 2014-04-30 黄河三角洲京博化工研究院有限公司 Radial tire inner liner rubber and preparation method thereof
CN104163959A (en) * 2014-06-03 2014-11-26 天津市凯诺实业有限公司 Sealing ring for flexible interface of cast iron pipe, and preparation method thereof
CN104356407A (en) * 2014-11-03 2015-02-18 怡维怡橡胶研究院有限公司 Method for preventing packing in rubber blend from migration
WO2015109792A1 (en) * 2014-01-23 2015-07-30 怡维怡橡胶研究院有限公司 Method for improving elasticity and heat build-up performance of rubber product
CN105001470A (en) * 2015-08-14 2015-10-28 国网山东省电力公司临沂供电公司 Enhanced type shed sheath base material and preparation method of shed sheath
CN105315606A (en) * 2015-09-23 2016-02-10 苏州国泰科技发展有限公司 Method for preparing vulcanizing agent applied to automobile tire
CN105315611A (en) * 2015-09-23 2016-02-10 苏州国泰科技发展有限公司 Vulcanizing agent for preparing automobile tire rubber
CN106009120A (en) * 2016-06-23 2016-10-12 山东永泰集团有限公司 Inner liner rubber for tubeless tire
CN107383450A (en) * 2017-08-28 2017-11-24 中广核达胜加速器技术有限公司 Rubber irradiates auxiliary agent and rubber and preparation method thereof
WO2018130193A1 (en) * 2017-01-13 2018-07-19 杭州星庐科技有限公司 Rubber composite, processing method, applications, and capacitor sealing element comprising composite
CN110240764A (en) * 2019-06-19 2019-09-17 中国化工集团曙光橡胶工业研究设计院有限公司 Aircraft tyre air/tight layer rubber and preparation method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101269535A (en) * 2008-05-07 2008-09-24 北京市射线应用研究中心 Method for rubber sheet surface layer radiation vulcanization
CN101318384A (en) * 2008-05-07 2008-12-10 北京市射线应用研究中心 Radial tyre inner lining air barrier component and manufacturing process
CN101612867A (en) * 2009-07-31 2009-12-30 北京市射线应用研究中心 Radial-ply tyre carcass plies and air-retaining liner composite component and preparation technology

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101269535A (en) * 2008-05-07 2008-09-24 北京市射线应用研究中心 Method for rubber sheet surface layer radiation vulcanization
CN101318384A (en) * 2008-05-07 2008-12-10 北京市射线应用研究中心 Radial tyre inner lining air barrier component and manufacturing process
CN101612867A (en) * 2009-07-31 2009-12-30 北京市射线应用研究中心 Radial-ply tyre carcass plies and air-retaining liner composite component and preparation technology

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103102603A (en) * 2012-12-27 2013-05-15 龙门多泰工业有限公司 Butyl rubber for automobile sealing and preparation method of butyl rubber
CN103483705A (en) * 2013-08-02 2014-01-01 山东永泰化工有限公司 Inner liner compound for truck tire
CN103483705B (en) * 2013-08-02 2015-11-18 山东永泰化工有限公司 A kind of Inner liner compound for truck tire
CN103756170B (en) * 2013-12-31 2016-04-13 黄河三角洲京博化工研究院有限公司 A kind of Radial tire inner liner rubber and preparation method thereof
CN103756170A (en) * 2013-12-31 2014-04-30 黄河三角洲京博化工研究院有限公司 Radial tire inner liner rubber and preparation method thereof
WO2015109792A1 (en) * 2014-01-23 2015-07-30 怡维怡橡胶研究院有限公司 Method for improving elasticity and heat build-up performance of rubber product
CN104163959A (en) * 2014-06-03 2014-11-26 天津市凯诺实业有限公司 Sealing ring for flexible interface of cast iron pipe, and preparation method thereof
CN104356407A (en) * 2014-11-03 2015-02-18 怡维怡橡胶研究院有限公司 Method for preventing packing in rubber blend from migration
CN105001470A (en) * 2015-08-14 2015-10-28 国网山东省电力公司临沂供电公司 Enhanced type shed sheath base material and preparation method of shed sheath
CN105315611A (en) * 2015-09-23 2016-02-10 苏州国泰科技发展有限公司 Vulcanizing agent for preparing automobile tire rubber
CN105315606A (en) * 2015-09-23 2016-02-10 苏州国泰科技发展有限公司 Method for preparing vulcanizing agent applied to automobile tire
CN106009120A (en) * 2016-06-23 2016-10-12 山东永泰集团有限公司 Inner liner rubber for tubeless tire
WO2018130193A1 (en) * 2017-01-13 2018-07-19 杭州星庐科技有限公司 Rubber composite, processing method, applications, and capacitor sealing element comprising composite
CN107383450A (en) * 2017-08-28 2017-11-24 中广核达胜加速器技术有限公司 Rubber irradiates auxiliary agent and rubber and preparation method thereof
CN110240764A (en) * 2019-06-19 2019-09-17 中国化工集团曙光橡胶工业研究设计院有限公司 Aircraft tyre air/tight layer rubber and preparation method

Similar Documents

Publication Publication Date Title
CN102604243A (en) Radial truck tire air-tight layer component and preparation process thereof
CN101318385B (en) Radial tyre tyre case cord fabric layer component and manufacturing process
CN103613869B (en) A kind of Radial tire inner liner rubber and preparation technology thereof
EP2058359B1 (en) Innerliner for tire and tire using the same
CN101613493B (en) Meridian tyre belted layer component and preparation technology thereof
CN101318384B (en) Manufacturing process of radial tyre inner lining air barrier component
CN103435858B (en) Tyre inner liner rubber and preparation method thereof
WO2015109792A1 (en) Method for improving elasticity and heat build-up performance of rubber product
JP2005153871A (en) Pneumatic tire with built-in colored sealant layer
CN101962451A (en) Bead wire coating compound for aircraft radial-ply tire
JP2009132379A (en) Innerliner for tire and tire using the same
CN101081901A (en) Radiation sulfidization processing method for rubber
CN105037865A (en) Modified scrap rubber powder as well as preparation method and application thereof
US20140048194A1 (en) Adhesive composition, adhesion method using the same, laminate and tire
CN106977777B (en) Radial air tire carcass layer kiss-coating
CN106626992A (en) Pneumatic tire having sealant layers
CN103980556A (en) High-wear-resistant high-strength precured tread rubber for tyre retreading of truck tyre
WO2017073495A1 (en) Pneumatic tire and crosslinked rubber composition
CN105348579A (en) High-hardness rubber and preparation method and application thereof
CN104672475A (en) Method for carrying out radiation vulcanization on rubber material or preparing rubber material
CN108285587A (en) Containing the kaolinic Tire air-tight layer rubber composition of sheet
JP2005023180A (en) Rubber composition and tire using the same
CN105017595B (en) A kind of microporous foam tire and preparation method thereof
CN109161071B (en) Low-cost rubber track containing waste tire rubber powder and preparation method thereof
CN101323175B (en) Radial tire ring traveler component and preparation technique

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120725