CN104943053A - Method for producing vehicle tire flap by using waste tire rubber injection and product thereof - Google Patents

Method for producing vehicle tire flap by using waste tire rubber injection and product thereof Download PDF

Info

Publication number
CN104943053A
CN104943053A CN201510291681.6A CN201510291681A CN104943053A CN 104943053 A CN104943053 A CN 104943053A CN 201510291681 A CN201510291681 A CN 201510291681A CN 104943053 A CN104943053 A CN 104943053A
Authority
CN
China
Prior art keywords
parts
rubber
flap
activator
injection
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
CN201510291681.6A
Other languages
Chinese (zh)
Inventor
陈友寿
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201510291681.6A priority Critical patent/CN104943053A/en
Publication of CN104943053A publication Critical patent/CN104943053A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/20—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with hydrocarbons or halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C08J11/26—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing carboxylic acid groups, their anhydrides or esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L17/00—Compositions of reclaimed rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/10—Copolymers of styrene with conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2317/00—Characterised by the use of reclaimed rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/08—Copolymers of styrene
    • C08J2325/10—Copolymers of styrene with conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2417/00—Characterised by the use of reclaimed rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • C08J2425/04—Homopolymers or copolymers of styrene
    • C08J2425/08—Copolymers of styrene
    • C08J2425/10—Copolymers of styrene with conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to a method for producing a vehicle tire flap by using waste tire rubber injection and a product thereof. The method comprises the following steps: (1) desulfurization regeneration: a waste tire is separated to obtain steel wires, fibers and thick rubber particles after the cleaning, the steel wire drawing, the crushing, the magnetic separation and the screening; and after the thick rubber particles are grinded to powder, the desulfurization regeneration is performed; (2) mixing pelletizing: the mixing seal milling and the mixing open milling are performed for regenerated rubbers and other raw materials in sequence; pieces are discharged after multiple times of thin passing; and finally, the rubber materials are extruded for pelletizing; (3) injection molding: the rubber particles are injected to form a flap; and (4) water cooling shaping: the high-temperature flap coats a corresponding rim model; the lower part of the rim model is dipped in cooling water; and the rim model rotates to uniformly cool the high-temperature flap to the room temperature by water. The method not only can reduce the production cost and the environmental protection, but also can directly inject to mold the flap to improve the production efficiency, facilitates to separately perform all the steps in different places, and reduces the equipment and place investment.

Description

Waste tire rubber is utilized to inject method of producing automobile tire flap and products thereof
Technical field
The present invention relates to a kind of waste tire rubber that utilizes and inject method of producing automobile tire flap and products thereof.
Background technology
Tire flap is a kind of is that raw material is made with rubber; with face not by the endless belt of wheel rim wearing and tearing for the protection of the inner tube of a tyre; the inner tube of a tyre is prevented to be clipped between tire toe and wheel rim; the inner tube of a tyre is prevented to be subject to the heat effect of wheel rim; avoid producing friction between the inner tube of a tyre and wheel rim and damaging, support the use with truck tyre, industrial tyre, off-the-road tyre, agricultural tyre and the inner tube of a tyre.At present, tire flap generally adopts primary rubber to produce with pressing mode, there is the shortcomings such as production cost is high, production efficiency is low; In addition, junked tire recovery utilization rate is low, abandons phenomenon serious, if directly destroy, then and serious environment pollution, easily carcinogenic.
Summary of the invention
In view of the deficiencies in the prior art, a kind of waste tire rubber that utilizes is the object of the present invention is to provide to inject method of producing automobile tire flap and products thereof.
To achieve these goals, the technical scheme that the present invention adopts is: a kind of waste tire rubber that utilizes injects the method for producing automobile tire flap, comprises the following steps:
(1) desulfurization regeneration: junked tire is separated successively and obtains steel wire, fiber and rubber coarse granule after cleaning, drawing steel wire, fragmentation, magnetic separation, screening, and wherein rubber coarse granule obtains 30 ~ 60 object rubber powders again after abrasive dust; Count by weight, to add in digester after rubber powder 100 ~ 200 parts, softening agent 10 ~ 30 parts, 0.1 ~ 3 part, activator, 2 ~ 10 parts, plasticizer, the mixing of 8 ~ 30 parts, water, material is constantly stirred, simultaneously by heating material in tank to 230 ~ 250 DEG C, heating is stopped when pressure in tank reaches 3.2 ~ 4.2MPa, leave standstill pressurize after 30 ~ 50 minutes, exhaust pressure relief exports reclaimed rubber;
(2) mixing granulator: count by weight, reclaimed rubber 30 ~ 50 parts, SB 50 ~ 70 parts, 1 ~ 2 part, zinc oxide, stearic acid 0.5 ~ 2 part, 15 ~ 25 parts, calcium carbonate, carbon black 10 ~ 15 parts, softening agent 10 ~ 20 parts, flow ability modifying agent 10 ~ 20 parts, 0.5 ~ 1 part, age resistor, promoter 0.2 ~ 1 part are added in banbury and carries out banburying, mix and add vulcanizing agent 1 ~ 2 part after 20 ~ 40 minutes, then 5 ~ 15 minutes are mixed, banbury temperature 80 ~ 130 DEG C; With mill, the gum material after banburying is mixed again, bottom sheet after thin-pass 5 ~ 25 times; Finally with extruder by gum material extruding pelletization, extruder temperature 80 ~ 120 DEG C, is cut into rubber grain by vane or water ring;
(3) injection moulding: adopt injection (mo(u)lding) machine, added by rubber grain and be pressed into turbulent sizing material, barrel temperature is 70 ~ 100 DEG C, and pressure is 100 ~ 160MPa, screw ends position 380mm; Be injected in the die cavity of tire flap mould by turbulent sizing material, mold temperature is 160 ~ 200 DEG C, injection one section of pressure 100MPa, flow 35 ~ 45cm 3/ s, time 5s, final position 330mm, injection two sections of pressure 100MPa, flow 40 ~ 50cm 3/ s, time 30s, final position 30mm, injection three sections of pressure 60MPa, flow 25 ~ 35cm 3/ s, time 2s, final position 20mm, dwell pressure 30MPa, flow 15 ~ 25cm 3/ s, time 1s; Die sinking after cooling 200 ~ 400s, takes out high temperature rim strip;
(4) water-cooled shaping: be set in by high temperature rim strip on the wheel rim model of respective shapes and size, impregnated in cooling water by wheel rim model lower part, makes even water-cooled to 20 ~ 30 DEG C of high temperature rim strip by rotating wheel rim model.
Preferably, described softening agent comprises at least one in fragrant base oil and naphthene base crude oil.
Preferably, described activator comprises at least one in reclaimed rubber activator 420, reclaimed rubber activator 450, reclaimed rubber activator 480 and reclaimed rubber activator 510.
Preferably, described plasticizer is rosin.
Preferably, described flow ability modifying agent comprises at least one in ethylene-butadiene-styrene copolymer, styrene-ethylene-butylene-styrene copolymer and styrene ethylene-propylene-styrol copolymer.
Preferably, described vulcanizing agent comprises at least one in benzoyl peroxide, di-tert-butyl peroxide, cumyl peroxide and hydrogen phosphide cumene.
To achieve these goals, another technical scheme that the present invention adopts is: a kind of waste tire rubber that utilizes injects the automobile tire flap produced, described rim strip adopts above-mentioned method to be made, the raw material weight proportioning of described rim strip is: reclaimed rubber 30 ~ 50 parts, SB 50 ~ 70 parts, 1 ~ 2 part, zinc oxide, stearic acid 0.5 ~ 2 part, 15 ~ 25 parts, calcium carbonate, carbon black 10 ~ 15 parts, softening agent 10 ~ 20 parts, flow ability modifying agent 10 ~ 20 parts, 0.5 ~ 1 part, age resistor, promoter 0.2 ~ 1 part and vulcanizing agent 1 ~ 2 part, wherein the raw material weight proportioning of reclaimed rubber is: the rubber powder be made up of junked tire 100 ~ 200 parts, softening agent 10 ~ 30 parts, 0.1 ~ 3 part, activator, 2 ~ 10 parts, plasticizer and 8 ~ 30 parts, water.
Compared with prior art, the present invention has following beneficial effect: utilize junked tire to carry out desulfurization regeneration and mixing granulator, not only production cost can be reduced, reduce environmental pollution, and directly can inject and produce rim strip, enhance productivity, be conducive to again the step such as mixing granulator and injection moulding strange land and separately carry out, reduce equipment and place input.
Accompanying drawing explanation
Fig. 1 is the process chart of the embodiment of the present invention.
Fig. 2 is the structural representation of tire flap.
Detailed description of the invention
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
As described in Figure 1, a kind of waste tire rubber that utilizes injects the method for producing automobile tire flap, comprises the following steps:
(1) desulfurization regeneration: junked tire is separated successively and obtains steel wire, fiber and rubber coarse granule after cleaning, drawing steel wire, fragmentation, magnetic separation, screening, and wherein rubber coarse granule obtains 30 ~ 60 object rubber powders again after abrasive dust; Count by weight, to add in digester after rubber powder 100 ~ 200 parts, softening agent 10 ~ 30 parts, 0.1 ~ 3 part, activator, 2 ~ 10 parts, plasticizer, the mixing of 8 ~ 30 parts, water, material is constantly stirred, simultaneously by heating material in tank to 230 ~ 250 DEG C, heating is stopped when pressure in tank reaches 3.2 ~ 4.2MPa, leave standstill pressurize after 30 ~ 50 minutes, exhaust pressure relief exports reclaimed rubber;
(2) mixing granulator: count by weight, reclaimed rubber 30 ~ 50 parts, SB 50 ~ 70 parts, 1 ~ 2 part, zinc oxide, stearic acid 0.5 ~ 2 part, 15 ~ 25 parts, calcium carbonate, carbon black 10 ~ 15 parts, softening agent 10 ~ 20 parts, flow ability modifying agent 10 ~ 20 parts, 0.5 ~ 1 part, age resistor, promoter 0.2 ~ 1 part are added in banbury and carries out banburying, mix and add vulcanizing agent 1 ~ 2 part after 20 ~ 40 minutes, then 5 ~ 15 minutes are mixed, banbury temperature 80 ~ 130 DEG C; With mill, the gum material after banburying is mixed again, bottom sheet after thin-pass 5 ~ 25 times; Finally with extruder by gum material extruding pelletization, extruder temperature 80 ~ 120 DEG C, is cut into rubber grain by vane or water ring;
(3) injection moulding: adopt injection (mo(u)lding) machine, added by rubber grain and be pressed into turbulent sizing material, barrel temperature is 70 ~ 100 DEG C, and pressure is 100 ~ 160MPa, screw ends position 380mm; Be injected in the die cavity of tire flap mould by turbulent sizing material, mold temperature is 160 ~ 200 DEG C, injection one section of pressure 100MPa, flow 35 ~ 45cm 3/ s, time 5s, final position 330mm, injection two sections of pressure 100MPa, flow 40 ~ 50cm 3/ s, time 30s, final position 30mm, injection three sections of pressure 60MPa, flow 25 ~ 35cm 3/ s, time 2s, final position 20mm, dwell pressure 30MPa, flow 15 ~ 25cm 3/ s, time 1s; Die sinking after cooling 200 ~ 400s, takes out high temperature rim strip;
(4) water-cooled shaping: be set in by high temperature rim strip on the wheel rim model of respective shapes and size, impregnated in cooling water by wheel rim model lower part, makes even water-cooled to 20 ~ 30 DEG C of high temperature rim strip by rotating wheel rim model;
(5) accessory is installed: metallic gasket is arranged on the lead to the hole site place that rim strip is corresponding with valve hole.
In the present invention, described zinc oxide, as inorganic active agent, can not only accelerate curingprocess rate, can also the degree of cross linking be improved, to stearic acid, promoter, there is activation, mix with stearic the hardenability strengthening rubber, greatly can improve again the heat-conductive characteristic of rubber, contribute to the heat radiation of rim strip.Described stearic acid is conducive to the abundant diffusion of carbon black and zinc oxide, can promote that it is active with zinc oxide or booster response, or main vulcanization accelerator additive, can play the effect of the second promoter, sclerosis is accelerated.Described promoter can adopt at least one in thiazoles and sulfenamide, to prevent sizing material incipient scorch.Described carbon black mainly uses fine particle furnace black, increases consumption, can improve hot strength and tearing strength.Described calcium carbonate increases consumption, can reduce sizing material cost, improves the heat resistance of sizing material.
In the present invention, described softening agent can comprise at least one in fragrant base oil and naphthene base crude oil, decreases consumption, can improve hardness and the stress at definite elongation of rim strip.Described activator can comprise at least one in reclaimed rubber activator 420, reclaimed rubber activator 450, reclaimed rubber activator 480 and reclaimed rubber activator 510.Described plasticizer can select rosin.Described flow ability modifying agent can comprise at least one in ethylene-butadiene-styrene copolymer, styrene-ethylene-butylene-styrene copolymer and styrene ethylene-propylene-styrol copolymer.Described vulcanizing agent can comprise at least one in benzoyl peroxide, di-tert-butyl peroxide, cumyl peroxide and hydrogen phosphide cumene, increases consumption, can improve curing efficiency.
In the present invention, the charging sequence of banburying can be reclaimed rubber, SB (mixing 4 ~ 8 minutes) → promoter, age resistor, stearic acid (mixing 4 ~ 8 minutes) → 1/2 carbon black, zinc oxide (mixing 4 ~ 8 minutes) → 1/2 carbon black, calcium carbonate (mixing 4 ~ 8 minutes) → softening agent, flow ability modifying agent → vulcanizing agent (mixing 4 ~ 8 minutes); Certainly, these materials also can be add simultaneously.
embodiment 1:
The weight proportion of reclaimed rubber is: 30 ~ 40 object rubber powders 100 parts, naphthene base crude oil 10 parts, 420 0.1 parts, reclaimed rubber activator, rosin 2 parts, 1 part, water, the material of said ratio is joined in digester, material is constantly stirred, simultaneously by heating material in tank to 230 DEG C, heating is stopped when pressure in tank reaches 3.2MPa, leave standstill pressurize after 30 minutes, exhaust pressure relief exports reclaimed rubber.
Count by weight, reclaimed rubber 30 parts, SB 70 parts, 1 part, zinc oxide, stearic acid 0.5 part, 15 parts, calcium carbonate, carbon black 10 parts, naphthene base crude oil 10 parts, ethylene-butadiene-styrene copolymer 10 part, 0.5 part, age resistor, promoter 0.2 ~ 1 part are added in banbury and carries out banburying, mix and add benzoyl peroxide 1 part after 30 minutes, then 10 minutes are mixed, banbury temperature 90 ~ 100 DEG C; With mill, the gum material after banburying is mixed again, bottom sheet after thin-pass 10 times; Finally with extruder by gum material extruding pelletization, extruder temperature 90 ~ 100 DEG C, is cut into rubber grain by vane;
Added by rubber grain and be pressed into turbulent sizing material, the barrel temperature of injection (mo(u)lding) machine is 80 ~ 90 DEG C, and pressure is 100 ~ 130MPa, screw ends position 380mm; Be injected in the die cavity of tire flap mould by turbulent sizing material, mold temperature is 180 DEG C, injection one section of pressure 100MPa, flow 40cm 3/ s, time 5s, final position 330mm, injection two sections of pressure 100MPa, flow 45cm 3/ s, time 30s, final position 30mm, injection three sections of pressure 60MPa, flow 30cm 3/ s, time 2s, final position 20mm, dwell pressure 30MPa, flow 20cm 3/ s, time 1s; Die sinking after cooling 300s, takes out high temperature rim strip.
embodiment 2:
The weight proportion of reclaimed rubber is: 40 ~ 50 object rubber powders 150 parts, fragrant base oil 20 parts, 510 1 ~ 2 parts, reclaimed rubber activator, rosin 6 parts, 15 parts, water, the material of said ratio is joined in digester, material is constantly stirred, simultaneously by heating material in tank to 240 DEG C, heating is stopped when pressure in tank reaches 3.8MPa, leave standstill pressurize after 40 minutes, exhaust pressure relief exports reclaimed rubber.
Count by weight, reclaimed rubber 40 parts, SB 60 parts, 1.5 parts, zinc oxide, stearic acid 1 part, 20 parts, calcium carbonate, carbon black 12 parts, naphthene base crude oil 15 parts, styrene-ethylene-butylene-styrene copolymer 15 parts, 0.8 part, age resistor, promoter 0.5 part are added in banbury and carries out banburying, mix and add cumyl peroxide 1.5 parts after 20 minutes, then 15 minutes are mixed, banbury temperature 80 DEG C; With mill, the gum material after banburying is mixed again, bottom sheet after thin-pass 5 times; Finally with extruder by gum material extruding pelletization, extruder temperature 80 DEG C, is cut into rubber grain by vane;
Added by rubber grain and be pressed into turbulent sizing material, the barrel temperature of injection (mo(u)lding) machine is 100 DEG C, and pressure is 140 ~ 160MPa, screw ends position 380mm; Be injected in the die cavity of tire flap mould by turbulent sizing material, mold temperature is 200 DEG C, injection one section of pressure 100MPa, flow 35cm 3/ s, time 5s, final position 330mm, injection two sections of pressure 100MPa, flow 40cm 3/ s, time 30s, final position 30mm, injection three sections of pressure 60MPa, flow 25cm 3/ s, time 2s, final position 20mm, dwell pressure 30MPa, flow 15cm 3/ s, time 1s; Die sinking after cooling 400s, takes out high temperature rim strip.
embodiment 3:
The weight proportion of reclaimed rubber is: 60 object rubber powders 200 parts, naphthene base crude oil 30 parts, 480 3 parts, reclaimed rubber activator, rosin 10 parts, 30 parts, water, the material of said ratio is joined in digester, material is constantly stirred, simultaneously by heating material in tank to 250 DEG C, heating is stopped when pressure in tank reaches 4.2MPa, leave standstill pressurize after 50 minutes, exhaust pressure relief exports reclaimed rubber.
Count by weight, reclaimed rubber 50 parts, SB 50 parts, 2 parts, zinc oxide, stearic acid 2 parts, 25 parts, calcium carbonate, carbon black 15 parts, fragrant base oil 20 parts, styrene ethylene-propylene-styrol copolymer 20 parts, 1 part, age resistor, promoter 1 part are added in banbury and carries out banburying, mix and add hydrogen phosphide cumene 2 parts after 40 minutes, then 5 minutes are mixed, banbury temperature 130 DEG C; With mill, the gum material after banburying is mixed again, bottom sheet after thin-pass 25 times; Finally with extruder by gum material extruding pelletization, extruder temperature 120 DEG C, is cut into rubber grain by water ring;
Added by rubber grain and be pressed into turbulent sizing material, the barrel temperature of injection (mo(u)lding) machine is 70 ~ 85 DEG C, and pressure is 120 ~ 130MPa, screw ends position 380mm; Be injected in the die cavity of tire flap mould by turbulent sizing material, mold temperature is 160 DEG C, injection one section of pressure 100MPa, flow 45cm 3/ s, time 5s, final position 330mm, injection two sections of pressure 100MPa, flow 50cm 3/ s, time 30s, final position 30mm, injection three sections of pressure 60MPa, flow 35cm 3/ s, time 2s, final position 20mm, dwell pressure 30MPa, flow 25cm 3/ s, time 1s; Die sinking after cooling 200s, takes out high temperature rim strip.
Show through experiment test, the rim strip product physical property of embodiment 1, embodiment 2 and embodiment 3 is as follows: Shore A hardness 65 ~ 75 degree, hot strength 9 ~ 12Mpa, 300% stress at definite elongation 6 ~ 8Mpa, elongation at break is 400 ~ 500%, setafter break 20 ~ 30%, tearing strength 40 ~ 50kN/m.Therefore, this rim strip product has good comprehensive physical performance, is not easily extruded from valve hole groove, is also not easily torn when tire dismantling, improves service life, reduces gum content and production cost simultaneously.
As shown in Figure 2, a kind of waste tire rubber that utilizes injects the automobile tire flap produced, described rim strip adopts above-mentioned method to be made, the raw material weight proportioning of described rim strip is: reclaimed rubber 30 ~ 50 parts, SB 50 ~ 70 parts, 1 ~ 2 part, zinc oxide, stearic acid 0.5 ~ 2 part, 15 ~ 25 parts, calcium carbonate, carbon black 10 ~ 15 parts, softening agent 10 ~ 20 parts, flow ability modifying agent 10 ~ 20 parts, 0.5 ~ 1 part, age resistor, promoter 0.2 ~ 1 part and vulcanizing agent 1 ~ 2 part, wherein the raw material weight proportioning of reclaimed rubber is: the rubber powder be made up of junked tire 100 ~ 200 parts, softening agent 10 ~ 30 parts, 0.1 ~ 3 part, activator, 2 ~ 10 parts, plasticizer and 8 ~ 30 parts, water.
The present invention is not limited to above-mentioned preferred forms, and anyone can draw other various forms of automobile tire flap and methods thereof utilizing waste tire rubber injection production under enlightenment of the present invention.All equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (7)

1. utilize waste tire rubber to inject a method of producing automobile tire flap, it is characterized in that, comprise the following steps:
(1) desulfurization regeneration: junked tire is separated successively and obtains steel wire, fiber and rubber coarse granule after cleaning, drawing steel wire, fragmentation, magnetic separation, screening, and wherein rubber coarse granule obtains 30 ~ 60 object rubber powders again after abrasive dust; Count by weight, to add in digester after rubber powder 100 ~ 200 parts, softening agent 10 ~ 30 parts, 0.1 ~ 3 part, activator, 2 ~ 10 parts, plasticizer, the mixing of 8 ~ 30 parts, water, material is constantly stirred, simultaneously by heating material in tank to 230 ~ 250 DEG C, heating is stopped when pressure in tank reaches 3.2 ~ 4.2MPa, leave standstill pressurize after 30 ~ 50 minutes, exhaust pressure relief exports reclaimed rubber;
(2) mixing granulator: count by weight, reclaimed rubber 30 ~ 50 parts, SB 50 ~ 70 parts, 1 ~ 2 part, zinc oxide, stearic acid 0.5 ~ 2 part, 15 ~ 25 parts, calcium carbonate, carbon black 10 ~ 15 parts, softening agent 10 ~ 20 parts, flow ability modifying agent 10 ~ 20 parts, 0.5 ~ 1 part, age resistor, promoter 0.2 ~ 1 part are added in banbury and carries out banburying, mix and add vulcanizing agent 1 ~ 2 part after 20 ~ 40 minutes, then 5 ~ 15 minutes are mixed, banbury temperature 80 ~ 130 DEG C; With mill, the gum material after banburying is mixed again, bottom sheet after thin-pass 5 ~ 25 times; Finally with extruder by gum material extruding pelletization, extruder temperature 80 ~ 120 DEG C, is cut into rubber grain by vane or water ring;
(3) injection moulding: adopt injection (mo(u)lding) machine, added by rubber grain and be pressed into turbulent sizing material, barrel temperature is 70 ~ 100 DEG C, and pressure is 100 ~ 160MPa, screw ends position 380mm; Be injected in the die cavity of tire flap mould by turbulent sizing material, mold temperature is 160 ~ 200 DEG C, injection one section of pressure 100MPa, flow 35 ~ 45cm 3/ s, time 5s, final position 330mm, injection two sections of pressure 100MPa, flow 40 ~ 50cm 3/ s, time 30s, final position 30mm, injection three sections of pressure 60MPa, flow 25 ~ 35cm 3/ s, time 2s, final position 20mm, dwell pressure 30MPa, flow 15 ~ 25cm 3/ s, time 1s; Die sinking after cooling 200 ~ 400s, takes out high temperature rim strip;
(4) water-cooled shaping: be set in by high temperature rim strip on the wheel rim model of respective shapes and size, impregnated in cooling water by wheel rim model lower part, makes even water-cooled to 20 ~ 30 DEG C of high temperature rim strip by rotating wheel rim model.
2. the waste tire rubber that utilizes according to claim 1 injects the method for producing automobile tire flap, it is characterized in that: described softening agent comprises at least one in fragrant base oil and naphthene base crude oil.
3. the waste tire rubber that utilizes according to claim 1 injects the method for producing automobile tire flap, it is characterized in that: described activator comprises at least one in reclaimed rubber activator 420, reclaimed rubber activator 450, reclaimed rubber activator 480 and reclaimed rubber activator 510.
4. the waste tire rubber that utilizes according to claim 1 injects the method for producing automobile tire flap, it is characterized in that: described plasticizer is rosin.
5. the waste tire rubber that utilizes according to claim 1 injects the method for producing automobile tire flap, it is characterized in that: described flow ability modifying agent comprises at least one in ethylene-butadiene-styrene copolymer, styrene-ethylene-butylene-styrene copolymer and styrene ethylene-propylene-styrol copolymer.
6. the waste tire rubber that utilizes according to claim 1 injects the method for producing automobile tire flap, it is characterized in that: described vulcanizing agent comprises at least one in benzoyl peroxide, di-tert-butyl peroxide, cumyl peroxide and hydrogen phosphide cumene.
7. one kind utilizes waste tire rubber to inject the automobile tire flap produced, it is characterized in that: described rim strip adopts the method according to any one of claim 1 to 6 to be made, the raw material weight proportioning of described rim strip is: reclaimed rubber 30 ~ 50 parts, SB 50 ~ 70 parts, 1 ~ 2 part, zinc oxide, stearic acid 0.5 ~ 2 part, 15 ~ 25 parts, calcium carbonate, carbon black 10 ~ 15 parts, softening agent 10 ~ 20 parts, flow ability modifying agent 10 ~ 20 parts, 0.5 ~ 1 part, age resistor, promoter 0.2 ~ 1 part and vulcanizing agent 1 ~ 2 part, wherein the raw material weight proportioning of reclaimed rubber is: the rubber powder be made up of junked tire 100 ~ 200 parts, softening agent 10 ~ 30 parts, 0.1 ~ 3 part, activator, 2 ~ 10 parts, plasticizer and 8 ~ 30 parts, water.
CN201510291681.6A 2015-06-01 2015-06-01 Method for producing vehicle tire flap by using waste tire rubber injection and product thereof Pending CN104943053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510291681.6A CN104943053A (en) 2015-06-01 2015-06-01 Method for producing vehicle tire flap by using waste tire rubber injection and product thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510291681.6A CN104943053A (en) 2015-06-01 2015-06-01 Method for producing vehicle tire flap by using waste tire rubber injection and product thereof

Publications (1)

Publication Number Publication Date
CN104943053A true CN104943053A (en) 2015-09-30

Family

ID=54158375

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510291681.6A Pending CN104943053A (en) 2015-06-01 2015-06-01 Method for producing vehicle tire flap by using waste tire rubber injection and product thereof

Country Status (1)

Country Link
CN (1) CN104943053A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107474325A (en) * 2017-07-04 2017-12-15 江苏强维橡塑科技有限公司 A kind of method for mixing rubber
CN109422943A (en) * 2017-08-28 2019-03-05 中国石油化工股份有限公司 It is a kind of for exempting to inflate the raw material of rickshaw tire and exempting to inflate rickshaw tire and preparation method thereof
CN109503913A (en) * 2017-09-14 2019-03-22 中国石油化工股份有限公司 One kind is exempted to inflate fretting map rickshaw tire raw material and exempts to inflate fretting map rickshaw tire and preparation method thereof
CN110204808A (en) * 2019-06-05 2019-09-06 禄丰航宇工贸有限责任公司 A kind of modified rubber and preparation method thereof recycling waste rubber tire
CN110625851A (en) * 2019-09-15 2019-12-31 固原市德旺达再生资源科技有限公司 Rubber cracking residue recycling process
JPWO2019116656A1 (en) * 2017-12-13 2020-12-03 株式会社ブリヂストン Rubber composition, tires, conveyor belts, rubber crawlers, anti-vibration devices, seismic isolation devices and hoses
CN112574487A (en) * 2020-12-23 2021-03-30 浙江坤荣橡胶科技股份有限公司 Preparation method of plastic rubber powder

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2097432C (en) * 1990-12-05 1999-06-15 Richard Andreas Jacobus Smits A process for activating vulcanized waste rubber particles and a process for producing a rubber-like article using said activated waste rubber particles
CN101066617A (en) * 2007-04-09 2007-11-07 辽宁万来轮胎有限公司 Process of producing inner tube material with waste butyl rubber inner tube
CN101586594A (en) * 2009-04-21 2009-11-25 际华三五一七橡胶制品有限公司 A kind of new rubber riding wheel and preparation process thereof
CN102690467A (en) * 2011-03-23 2012-09-26 中国石油天然气股份有限公司 Solution method for producing butyl rubber inner tire
CN103435920A (en) * 2013-09-06 2013-12-11 威县亚泰密封件有限公司 Method for producing recycled-ethylene-propylene-terpolymer-rubber seal strip
CN103554554A (en) * 2013-10-18 2014-02-05 山东省三利轮胎制造有限公司 New formula and manufacture method of rubber for manufacturing tire inner liner
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
CN103923356A (en) * 2013-01-15 2014-07-16 住友橡胶工业株式会社 Rubber Composition For Canvas Chafer, And Pneumatic Tire
WO2015045759A1 (en) * 2013-09-26 2015-04-02 日立オートモティブシステムズ株式会社 Control device for electric vehicle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2097432C (en) * 1990-12-05 1999-06-15 Richard Andreas Jacobus Smits A process for activating vulcanized waste rubber particles and a process for producing a rubber-like article using said activated waste rubber particles
CN101066617A (en) * 2007-04-09 2007-11-07 辽宁万来轮胎有限公司 Process of producing inner tube material with waste butyl rubber inner tube
CN101586594A (en) * 2009-04-21 2009-11-25 际华三五一七橡胶制品有限公司 A kind of new rubber riding wheel and preparation process thereof
CN102690467A (en) * 2011-03-23 2012-09-26 中国石油天然气股份有限公司 Solution method for producing butyl rubber inner tire
CN103923356A (en) * 2013-01-15 2014-07-16 住友橡胶工业株式会社 Rubber Composition For Canvas Chafer, And Pneumatic Tire
CN103435920A (en) * 2013-09-06 2013-12-11 威县亚泰密封件有限公司 Method for producing recycled-ethylene-propylene-terpolymer-rubber seal strip
WO2015045759A1 (en) * 2013-09-26 2015-04-02 日立オートモティブシステムズ株式会社 Control device for electric vehicle
CN103554554A (en) * 2013-10-18 2014-02-05 山东省三利轮胎制造有限公司 New formula and manufacture method of rubber for manufacturing tire inner liner
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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107474325A (en) * 2017-07-04 2017-12-15 江苏强维橡塑科技有限公司 A kind of method for mixing rubber
CN109422943A (en) * 2017-08-28 2019-03-05 中国石油化工股份有限公司 It is a kind of for exempting to inflate the raw material of rickshaw tire and exempting to inflate rickshaw tire and preparation method thereof
CN109503913A (en) * 2017-09-14 2019-03-22 中国石油化工股份有限公司 One kind is exempted to inflate fretting map rickshaw tire raw material and exempts to inflate fretting map rickshaw tire and preparation method thereof
JPWO2019116656A1 (en) * 2017-12-13 2020-12-03 株式会社ブリヂストン Rubber composition, tires, conveyor belts, rubber crawlers, anti-vibration devices, seismic isolation devices and hoses
JP7252139B2 (en) 2017-12-13 2023-04-04 株式会社ブリヂストン Rubber compositions, tires, conveyor belts, rubber crawlers, anti-vibration devices, seismic isolation devices and hoses
CN110204808A (en) * 2019-06-05 2019-09-06 禄丰航宇工贸有限责任公司 A kind of modified rubber and preparation method thereof recycling waste rubber tire
CN110625851A (en) * 2019-09-15 2019-12-31 固原市德旺达再生资源科技有限公司 Rubber cracking residue recycling process
CN112574487A (en) * 2020-12-23 2021-03-30 浙江坤荣橡胶科技股份有限公司 Preparation method of plastic rubber powder
CN112574487B (en) * 2020-12-23 2021-06-29 浙江坤荣橡胶科技股份有限公司 Preparation method of plastic rubber powder

Similar Documents

Publication Publication Date Title
CN104943053A (en) Method for producing vehicle tire flap by using waste tire rubber injection and product thereof
CN101168600B (en) High shear stress induced desulfurization and modification method for waste and old tyre rubber
CN106189198B (en) A kind of blending-type polyurethane tyre surface-rubber tyre body composite tyre and its manufacturing method
CN102924760A (en) High-performance tyre with ultra-wear resistant tyre surface and manufacturing method thereof
CN103289147A (en) O-shaped rubber sealing ring and production technology thereof
CN103881164B (en) A kind of automobile rubber material and production method thereof
CN102731918A (en) Radial tyre bladder and preparation method thereof
CN102634110A (en) Preparation method of thermoplastic elastomer PP special material with high fluidity and excellent permanent deformation resistance
CN113150418A (en) Green preparation method of tire rubber powder/polypropylene thermoplastic elastomer
CN104526904B (en) A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device
WO2022152182A1 (en) Modified cross-linked polyethylene and preparation method therefor, and recycled product and preparation method therefor
CN109503913B (en) Inflation-free micro-foaming manpower vehicle tire raw material, inflation-free micro-foaming manpower vehicle tire and preparation method thereof
CN105237926A (en) Rubber material for automobile transmission belt and preparation method therefor
CN101906229A (en) Filler opening seal ring material for automobile braking master cylinder and process for manufacturing seal ring
CN113150413B (en) Liquid-containing reclaimed rubber conveyer belt cover rubber material and preparation method thereof
CN105111543A (en) Spiral rubber extruding frictional piece and production method therefor
CN107099064A (en) A kind of solid tyre rubber and preparation method
CN105885123A (en) High-performance rubber composition for off-road passenger car tire sidewalls
CN101817934B (en) Process for waste and old tyre rubber stress induced desulphurization reaction
CN111718555B (en) Sealing strip material based on partially hydrogenated polystyrene-b-conjugated diene/divinylbenzene random copolymer and preparation thereof
CN104387622A (en) Production technology for rubber product
CN101935415B (en) Self-lubricating rubber leather diaphragm material and preparation method thereof
CN103012862A (en) High-strength rubber sheet for generating set workshop of thermal power plant
CN106009109A (en) Flame-retardant rubber-based damping friction-resistant sealing material and preparation method thereof
CN101497711A (en) Preparation of reduced rubber

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150930