CN114369296A - High-holding-performance tread rubber for electric vehicle tire and preparation process thereof - Google Patents
High-holding-performance tread rubber for electric vehicle tire and preparation process thereof Download PDFInfo
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- CN114369296A CN114369296A CN202110418895.0A CN202110418895A CN114369296A CN 114369296 A CN114369296 A CN 114369296A CN 202110418895 A CN202110418895 A CN 202110418895A CN 114369296 A CN114369296 A CN 114369296A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
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- 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
- B60C1/0016—Compositions of the tread
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
Abstract
The invention discloses a high-grip tread rubber for an electric vehicle tire and a preparation process thereof, and relates to the technical field of tread rubbers. The composite material comprises the following raw materials in parts by weight: 30-40 parts of epoxidized natural rubber, 20-30 parts of trans-butadiene-isoprene copolymer rubber, 10-20 parts of short steel wire fibers, 10-15 parts of carbon black, 1-3 parts of carbon black dispersing agent, 1-2 parts of accelerator, 1-2 parts of vulcanizing agent, 1-2 parts of anti-aging agent, 1-3 parts of stearic acid, 2-3 parts of zinc oxide, 4-6 parts of aromatic oil, 2-4 parts of protective wax, 2-4 parts of tackifier, 2-4 parts of silane coupling agent, 5-15 parts of coal tar resin, 0.5-0.8 part of N-phenyl-2-naphthylamine and 1-10 parts of other auxiliary agents. The high-grip tread rubber for the electric vehicle tire and the preparation process thereof have the advantages of simple preparation process, low cost and energy consumption, strong operability, suitability for large-scale industrial production, wide application prospect, excellent wear resistance, high wear resistance and low rolling resistance.
Description
Technical Field
The invention relates to the technical field of tread rubber, in particular to high-grip tread rubber for an electric vehicle tire and a preparation process thereof.
Background
With the progress of the manufacturing level of electric vehicles and the vigorous development of transportation, the living standard of people is gradually improved, and the electric vehicles become indispensable necessities for people's life, however, with the rapid progress of science and technology, along with the popularization of highways, the running speed of the electric vehicles is higher and higher, and the use conditions of tires are also more and more rigorous, so that in order to improve the safety of the electric vehicles in the running process, the wet skid resistance and the air and pressure maintaining performance of the tires are particularly important, the tread rubber is a layer of rubber material with patterns printed on the surface of the outermost layer of the tire in contact with the road surface, and the tread rubber needs high tensile strength, tearing strength, good cutting resistance, good wear resistance and good thermal stability so as to ensure the safe use of the tires.
Because the tire is often used under complicated and harsh conditions, in an area with frequent rain and snow, the friction coefficient of the tire of the electric vehicle and the road surface is reduced, the adhesive force is greatly reduced, the driving wheel of the electric vehicle is easy to slip or idle, when the electric vehicle is braked in an emergency, the braking distance is greatly prolonged and is more than 4 times higher than that of a common dry road surface, and when the electric vehicle turns on a snowy road surface, the phenomena of sideslip and direction deviation are easily caused, so the high gripping performance of the tire is more important, and meanwhile, the high wear resistance is required, however, the existing tread rubber cannot simultaneously meet the performance requirements.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-grip tread rubber of an electric vehicle tire and a preparation process thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the high-grip tread rubber for the electric vehicle tire comprises the following raw materials in parts by weight: 30-40 parts of epoxidized natural rubber, 20-30 parts of trans-butadiene-isoprene copolymer rubber, 10-20 parts of short steel wire fibers, 10-15 parts of carbon black, 1-3 parts of carbon black dispersing agent, 1-2 parts of accelerator, 1-2 parts of vulcanizing agent, 1-2 parts of anti-aging agent, 1-3 parts of stearic acid, 2-3 parts of zinc oxide, 4-6 parts of aromatic oil, 2-4 parts of protective wax, 2-4 parts of tackifier, 2-4 parts of silane coupling agent, 5-15 parts of coal tar resin, 0.5-0.8 part of N-phenyl-2-naphthylamine and 1-10 parts of other auxiliary agents.
A preparation process of a high-grip tread rubber of an electric vehicle tire comprises the following steps:
s1, preparing the plastication glue: placing the epoxidized natural rubber, the trans-butadiene-isoprene copolymer rubber, the short steel wire fibers and the coal tar resin into an open mill for banburying operation, and obtaining plasticated rubber for later use after the banburying operation is finished;
s2, first mixing operation: putting the plasticated rubber obtained in the step S1 into a mixing roll, and sequentially adding carbon black, a carbon black dispersing agent and N-phenyl-2-naphthylamine into the mixing roll to perform mixing operation I;
s3, preparation of rubber mixture I: sequentially adding stearic acid, zinc oxide, aromatic oil and protective wax into the mixing roll in the step S2, continuously mixing for 10min, and discharging rubber to obtain a rubber mixture I;
s4, first standing treatment: pressing the rubber mixture I prepared in the step S3 into rubber sheets on an open mill, and standing and cooling the pressed rubber sheets;
s5, preparing a rubber mixture II: putting the rubber sheet cooled in the step S4 into an internal mixer again, and adding a tackifier, silane coupling and coal tar resin to prepare a required rubber mixture II;
s6, standing for the second time: pressing the rubber mixture II obtained in the step S5 on an open mill to obtain a rubber sheet, and standing and cooling the pressed rubber sheet;
s7, kneading operation II: putting the cooled rubber sheet in the step S6 into an internal mixer again, and adding an anti-aging agent and other auxiliary agents in sequence to complete the mixing operation;
s8, vulcanization operation: and (4) pressing the rubber sheet after the mixing operation in the step S7 on an open mill again to form a sheet, vulcanizing the obtained sheet in a vulcanizing machine, sequentially adding a vulcanizing agent and an accelerator, and taking out the sheet after vulcanization to obtain the tread rubber with high scratch.
Further optimizing the technical scheme, the banburying time in the mixer in the step S1 is 20-30min, the plastication temperature is 130-150 ℃, and the anti-aging agent in the step S7 is at least one selected from N-phenyl-alpha-aniline, N-phenyl-N '-isopropyl-p-phenylenediamine, N-N' -diphenyl-p-phenylenediamine and phenylenediamine rubber anti-aging agents.
Further optimizes the technical proposal that the mixing temperature of the mixing roll in the step S3 is 140 ℃ and 150 ℃, and the mixing pressure is 1.5-1.7 MPa.
Further optimizing the technical scheme, the pressed film in the step S4 is placed in air to be cooled for 8-10 h.
Further optimizing the technical scheme, the other auxiliary agent in the step S7 is at least one of toluene, cyclohexane and methylcyclohexane.
Further optimizes the technical proposal that the mixing time of the mixing roll in the step S5 is 1-1.5min, the mixing temperature is 145-155 ℃, and the pressure is 0.4-0.6 MPa.
Further optimizing the technical scheme, the vulcanization condition of the tread rubber is as follows: the vulcanization temperature is 130-160 ℃, the vulcanization pressure is 0.2-20MPa, the vulcanization time is 20-30min, and the tackifier in the step S5 is an amine tackifier.
Compared with the prior art, the invention provides the high-grip tread rubber of the electric vehicle tire and the preparation process thereof, and the preparation method has the following beneficial effects:
1. the invention relates to a high-grip tread rubber for electric vehicle tires and a preparation process thereof.
2. The high-grip tread rubber for the electric vehicle tire and the preparation process thereof have the advantages of simple preparation process, low cost and energy consumption, strong operability, suitability for large-scale industrial production, wide application prospect, excellent wear resistance, high wear resistance and low rolling resistance compared with the traditional tread rubber of the tire, prolonged service life and accordance with the requirements of green tires.
Drawings
FIG. 1 is a flow diagram of a high-grip tread rubber for an electric vehicle tire and a preparation process thereof.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the invention discloses a high-grip tread rubber for an electric vehicle tire, which comprises the following raw materials in parts by weight: 30 parts of epoxidized natural rubber, 20 parts of trans-butadiene-isoprene copolymer rubber, 10 parts of short steel wire fibers, 10 parts of carbon black, 1 part of carbon black dispersing agent, 1 part of accelerator, 1 part of vulcanizing agent, 1 part of anti-aging agent, 1 part of stearic acid, 2 parts of zinc oxide, 4 parts of aromatic oil, 2 parts of protective wax, 2 parts of tackifier, 2 parts of silane coupling agent, 8 parts of coal tar resin, 0.5 part of N-phenyl-2-naphthylamine and 3 parts of other auxiliary agents.
A preparation process of a high-grip tread rubber of an electric vehicle tire comprises the following steps:
s1, preparing the plastication glue: placing the epoxidized natural rubber, the trans-butadiene-isoprene copolymer rubber, the short steel wire fibers and the coal tar resin into an open mill for banburying operation, wherein the banburying time in the open mill is 20min, the temperature for plastication is 130 ℃, and obtaining plastified rubber for later use after banburying is finished;
s2, first mixing operation: putting the plasticated rubber obtained in the step S1 into a mixing roll, and sequentially adding carbon black, a carbon black dispersing agent and N-phenyl-2-naphthylamine into the mixing roll to perform a first-stage mixing operation;
s3, preparation of rubber mixture I: sequentially adding stearic acid, zinc oxide, aromatic oil and protective wax into the mixing roll in the step S2, continuously mixing for 10min, controlling the mixing temperature of the mixing roll to be 140 ℃ and the mixing pressure to be 1.5MPa, and discharging rubber to obtain a rubber mixture I;
s4, first standing treatment: pressing the rubber mixture I prepared in the step S3 on an open mill to obtain a rubber sheet, cooling the pressed rubber sheet in air for 8 hours, and standing and cooling the pressed rubber sheet;
s5, preparing a rubber mixture II: putting the rubber sheet cooled in the step S4 into an internal mixer again, and adding a tackifier, silane coupling and coal tar resin, wherein the tackifier is an amine tackifier, the mixing time of the mixing mixer is 1min, the mixing temperature is 145 ℃, and the pressure is 0.4MPa, so as to prepare a rubber mixture II;
s6, standing for the second time: pressing the rubber mixture II obtained in the step S5 on an open mill to obtain a rubber sheet, and cooling the pressed rubber sheet;
s7, kneading operation II: putting the film cooled in the step S6 into an internal mixer again, and sequentially adding an anti-aging agent and other auxiliary agents, wherein the anti-aging agent is selected from N-phenyl-alpha-aniline, and the other auxiliary agents are toluene, so as to finish the mixing operation;
s8, vulcanization operation: and (4) pressing the rubber sheet after the mixing operation in the step S7 on an open mill again to form a sheet, vulcanizing the obtained sheet in a vulcanizing machine, sequentially adding a vulcanizing agent and an accelerator, wherein the vulcanizing temperature is 130 ℃, the vulcanizing pressure is 10MPa, and the vulcanizing time is 20min, and taking out the sheet after vulcanization to obtain the tread rubber with high grip performance.
Example two:
referring to fig. 1, the invention discloses a high-grip tread rubber for an electric vehicle tire, which comprises the following raw materials in parts by weight: 35 parts of epoxidized natural rubber, 25 parts of trans-butadiene-isoprene copolymer rubber, 15 parts of short steel wire fiber, 13 parts of carbon black, 2 parts of carbon black dispersing agent, 1 part of accelerator, 2 parts of vulcanizing agent, 2 parts of anti-aging agent, 2 parts of stearic acid, 3 parts of zinc oxide, 5 parts of aromatic oil, 4 parts of protective wax, 3 parts of tackifier, 2 parts of silane coupling agent, 10 parts of coal tar resin, 0.7 part of N-phenyl-2-naphthylamine and 6 parts of other auxiliary agents.
A preparation process of a high-grip tread rubber of an electric vehicle tire comprises the following steps:
s1, preparing the plastication glue: placing the epoxidized natural rubber, the trans-butadiene-isoprene copolymer rubber, the short steel wire fibers and the coal tar resin into an open mill for banburying operation, wherein the banburying time in the open mill is 20-30min, the temperature for plastication is 130 ℃, and obtaining plastified rubber for later use after the banburying is finished;
s2, first mixing operation: putting the plasticated rubber obtained in the step S1 into a mixing roll, and sequentially adding carbon black, a carbon black dispersing agent and N-phenyl-2-naphthylamine into the mixing roll to perform mixing operation I;
s3, preparation of rubber mixture I: sequentially adding stearic acid, zinc oxide, aromatic oil and protective wax into the mixing roll in the step S2, continuously mixing for 10min, controlling the mixing temperature of the mixing roll to be 150 ℃ and the mixing pressure to be 1.5MPa, and discharging rubber to obtain a rubber mixture I;
s4, first standing treatment: pressing the rubber mixture I prepared in the step S3 on an open mill to obtain a rubber sheet, cooling the pressed rubber sheet in air for 8 hours, and standing and cooling the pressed rubber sheet;
s5, preparing a rubber mixture II: putting the rubber sheet cooled in the step S4 into an internal mixer again, and adding a tackifier, silane coupling and coal tar resin, wherein the tackifier is an amine tackifier, the mixing time of the mixing mixer is 1min, the mixing temperature is 150 ℃, and the pressure is 0.4MPa, so as to prepare a rubber mixture II;
s6, standing for the second time: pressing the rubber mixture II obtained in the step S5 on an open mill to obtain a rubber sheet, and cooling the pressed rubber sheet;
s7, kneading operation II: putting the cooled rubber sheet in the step S6 into an internal mixer again, and sequentially adding an anti-aging agent and other auxiliary agents, wherein the anti-aging agent is N-phenyl-N' -isopropyl-p-phenylenediamine, and the other auxiliary agents are methyl cyclohexane, so as to finish the mixing operation;
s8, vulcanization operation: and (4) pressing the rubber sheet after the mixing operation in the step S7 on an open mill again to form a sheet, vulcanizing the obtained sheet in a vulcanizing machine, sequentially adding a vulcanizing agent and an accelerator, wherein the vulcanizing temperature is 140 ℃, the vulcanizing pressure is 3MPa, and the vulcanizing time is 25min, and taking out the sheet after vulcanization to obtain the tread rubber with high grip performance.
Example three:
referring to fig. 1, the invention discloses a high-grip tread rubber for an electric vehicle tire, which comprises the following raw materials in parts by weight: 35 parts of epoxidized natural rubber, 25 parts of trans-butadiene-isoprene copolymer rubber, 15 parts of short steel wire fiber, 14 parts of carbon black, 3 parts of carbon black dispersing agent, 1.5 parts of accelerator, 2 parts of vulcanizing agent, 2 parts of anti-aging agent, 3 parts of stearic acid, 3 parts of zinc oxide, 6 parts of aromatic oil, 3 parts of protective wax, 3 parts of tackifier, 2 parts of silane coupling agent, 5 parts of coal tar resin, 0.5 part of N-phenyl-2-naphthylamine and 7 parts of other auxiliary agents.
A preparation process of a high-grip tread rubber of an electric vehicle tire comprises the following steps:
s1, preparing the plastication glue: placing the epoxidized natural rubber, the trans-butadiene-isoprene copolymer rubber, the short steel wire fibers and the coal tar resin into an open mill for banburying operation, wherein the banburying time in the open mill is 25min, the temperature for plastication is 140 ℃, and obtaining plastified rubber for later use after banburying is finished;
s2, first mixing operation: putting the plasticated rubber obtained in the step S1 into a mixing roll, and sequentially adding carbon black, a carbon black dispersing agent and N-phenyl-2-naphthylamine into the mixing roll to perform a first-stage mixing operation;
s3, preparation of rubber mixture I: sequentially adding stearic acid, zinc oxide, aromatic oil and protective wax into the mixing roll in the step S2, continuously mixing for 10min, controlling the mixing temperature of the mixing roll to be 140 ℃ and the mixing pressure to be 1.7MPa, and discharging rubber to obtain a rubber mixture I;
s4, first standing treatment: pressing the rubber mixture I prepared in the step S3 on an open mill to obtain a rubber sheet, cooling the pressed rubber sheet in air for 8 hours, and standing and cooling the pressed rubber sheet;
s5, preparing a rubber mixture II: putting the rubber sheet cooled in the step S4 into an internal mixer again, and adding a tackifier, silane coupling and coal tar resin, wherein the tackifier is an amine tackifier, the mixing time of the mixing mixer is 1.2min, the mixing temperature is 150 ℃, and the pressure is 0.5MPa, so as to prepare a rubber mixture II;
s6, standing for the second time: pressing the rubber mixture II obtained in the step S5 on an open mill to obtain a rubber sheet, and standing and cooling the pressed rubber sheet;
s7, kneading operation II: putting the cooled rubber sheet in the step S6 into an internal mixer again, and sequentially adding an anti-aging agent and other auxiliary agents, wherein the anti-aging agent is selected from phenylenediamine rubber anti-aging agents, and the other auxiliary agents are cyclohexane, so as to finish the mixing operation;
s8, vulcanization operation: and (4) pressing the rubber sheet subjected to the mixing operation in the step S7 on an open mill again to form a sheet, vulcanizing the obtained sheet in a vulcanizing machine, sequentially adding a vulcanizing agent and an accelerator, wherein the vulcanizing temperature is 150 ℃, the vulcanizing pressure is 10MPa, and the vulcanizing time is 25min, the tackifier is an amine tackifier, and taking out the sheet after vulcanization to obtain the tread rubber with high gripping performance.
And (4) judging the standard: the tread rubber prepared in the first to third examples and the comparative example was subjected to property testing, and the results are shown in table 1:
table 1 performance test results from the test data in the table above, it can be seen that the tread rubber prepared by the present invention has low sliding resistance, good anti-cracking performance, and a wide application prospect, and the best effect is the third embodiment by comparing the three embodiments, so that the third embodiment is selected as the best embodiment, and the change of the specific amount also belongs to the protection scope of the present technical scheme.
The invention has the beneficial effects that: according to the high-grip tread rubber for the electric vehicle tire and the preparation process thereof, the base rubber required by synthesis of epoxidized natural rubber and trans-butadiene-isoprene copolymer rubber, the short steel wire fiber, the carbon black, the vulcanizing agent, the accelerator, the activator, the anti-aging agent and other additives are added, so that the bonding force with the filler can be improved, the grip of the tread rubber is increased, the rolling resistance is reduced, the wear resistance and puncture resistance of the tire are improved, the surface strength and the tear resistance of the tire are excellent, the running safety of the tire is improved, the service life of the tire is prolonged, and the rejection rate is reduced; the preparation method disclosed by the invention is simple in preparation process, low in cost and energy consumption, strong in operability, very suitable for large-scale industrial production, wide in application prospect, excellent in wear resistance compared with the traditional tire tread rubber, high in wear resistance and low in rolling resistance, prolonged in service life and in line with the requirements of green tires.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The high-grip tread rubber for the electric vehicle tire is characterized by comprising the following raw materials in parts by weight: 30-40 parts of epoxidized natural rubber, 20-30 parts of trans-butadiene-isoprene copolymer rubber, 10-20 parts of short steel wire fibers, 10-15 parts of carbon black, 1-3 parts of carbon black dispersing agent, 1-2 parts of accelerator, 1-2 parts of vulcanizing agent, 1-2 parts of anti-aging agent, 1-3 parts of stearic acid, 2-3 parts of zinc oxide, 4-6 parts of aromatic oil, 2-4 parts of protective wax, 2-4 parts of tackifier, 2-4 parts of silane coupling agent, 5-15 parts of coal tar resin, 0.5-0.8 part of N-phenyl-2-naphthylamine and 1-10 parts of other auxiliary agents.
2. The preparation process of the high-grip tread rubber for the electric vehicle tire as claimed in claim 1, wherein the preparation process comprises the following steps:
s1, preparing the plastication glue: placing the epoxidized natural rubber, the trans-butadiene-isoprene copolymer rubber, the short steel wire fibers and the coal tar resin into an open mill for banburying operation, and obtaining plasticated rubber for later use after the banburying operation is finished;
s2, first mixing operation: putting the plasticated rubber obtained in the step S1 into a mixing roll, and sequentially adding carbon black, a carbon black dispersing agent and N-phenyl-2-naphthylamine into the mixing roll to perform mixing operation I;
s3, preparation of rubber mixture I: sequentially adding stearic acid, zinc oxide, aromatic oil and protective wax into the mixing roll in the step S2, continuously mixing for 10min, and discharging rubber to obtain a rubber mixture I;
s4, first standing treatment: pressing the rubber mixture I prepared in the step S3 into rubber sheets on an open mill, and standing and cooling the pressed rubber sheets;
s5, preparing a rubber mixture II: putting the rubber sheet cooled in the step S4 into an internal mixer again, and adding a tackifier, silane coupling and coal tar resin to prepare a required rubber mixture II;
s6, standing for the second time: pressing the rubber mixture II obtained in the step S5 on an open mill to obtain a rubber sheet, and standing and cooling the pressed rubber sheet;
s7, kneading operation II: putting the cooled rubber sheet in the step S6 into an internal mixer again, and adding an anti-aging agent and other auxiliary agents in sequence to finish the second mixing operation;
s8, vulcanization operation: and (4) pressing the rubber sheet after the mixing operation in the step S7 on an open mill again to form a sheet, vulcanizing the obtained sheet in a vulcanizing machine, sequentially adding a vulcanizing agent and an accelerator, and taking out the sheet after vulcanization to obtain the tread rubber with high scratch.
3. The process for preparing the high grip tread rubber for the electric vehicle tire as claimed in claim 1, wherein the banburying time in the mixer in the step S1 is 20-30min, the plastication temperature is 130-150 ℃, and the anti-aging agent in the step S7 is at least one selected from the group consisting of N-phenyl-alpha-aniline, N-phenyl-N '-isopropyl-p-phenylenediamine, N-N' -diphenyl-p-phenylenediamine and phenylenediamine rubber anti-aging agents.
4. The preparation process of the high grip tread rubber for the electric vehicle tire as claimed in claim 2, wherein the mixing temperature of the mixer in the step S3 is 140 ℃ and 150 ℃, and the mixing pressure is 1.5-1.7 MPa.
5. The process for preparing the high-grip tread rubber for electric vehicle tires according to claim 2, wherein the rubber sheet pressed in step S4 is cooled in air for 8-10 hours.
6. The process of claim 2, wherein the other auxiliary agent in step S7 is at least one of toluene, cyclohexane and methylcyclohexane.
7. The process for preparing the high grip tread rubber of the electric vehicle tire as claimed in claim 2, wherein the mixing time of the mixer in the step S5 is 1-1.5min, the mixing temperature is 145-155 ℃, and the pressure is 0.4-0.6 MPa.
8. The preparation process of the tread rubber with high grip performance for the electric vehicle tire as claimed in claim 2, wherein the vulcanization conditions of the tread rubber in the step S8 are as follows: the vulcanization temperature is 130-160 ℃, the vulcanization pressure is 0.2-20MPa, the vulcanization time is 20-30min, and the tackifier in the step S5 is an amine tackifier.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07149951A (en) * | 1993-11-30 | 1995-06-13 | Toyo Tire & Rubber Co Ltd | Tread rubber composition for lightweight tire |
| US5844044A (en) * | 1997-07-18 | 1998-12-01 | The Goodyear Tire & Rubber Company | Trans 1,4-butadiene/isoprene copolymers and tire with tread thereof |
| US20050061418A1 (en) * | 2003-08-25 | 2005-03-24 | Bates Kenneth Allen | Pneumatic tire having a component containing high trans isoprene-butadiene rubber |
| US20090105403A1 (en) * | 2007-10-23 | 2009-04-23 | Toyo Tire & Rubber Co., Ltd. | Rubber Composition For Tire Tread |
| CN102050968A (en) * | 2009-11-06 | 2011-05-11 | 青岛科技大学 | Trans-1,4-polydialkene composite rubber and preparation methods thereof |
| CN102257058A (en) * | 2008-12-19 | 2011-11-23 | 米其林技术公司 | Rubber composition for a tyre containing epoxide natural rubber and a plasticising resin |
| CN104513411A (en) * | 2013-10-08 | 2015-04-15 | 固特异轮胎和橡胶公司 | Rubbery blend containing trans isoprene-butadiene copolymer |
| US20180201714A1 (en) * | 2016-03-24 | 2018-07-19 | Qingdao University Of Science And Technology | Method for industrial production of trans-butadiene-isoprene copolymer rubber and apparatus therefor |
| CN109181027A (en) * | 2018-09-07 | 2019-01-11 | 山东华聚高分子材料有限公司 | A kind of high-performance tire tread rubber and preparation method thereof |
| CN110157056A (en) * | 2019-07-02 | 2019-08-23 | 江苏通用科技股份有限公司 | A kind of All-steel tire matrix formula and preparation method thereof |
| WO2020058615A1 (en) * | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising an epoxide elastomer and a polyphenolic compound |
-
2021
- 2021-04-19 CN CN202110418895.0A patent/CN114369296B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07149951A (en) * | 1993-11-30 | 1995-06-13 | Toyo Tire & Rubber Co Ltd | Tread rubber composition for lightweight tire |
| US5844044A (en) * | 1997-07-18 | 1998-12-01 | The Goodyear Tire & Rubber Company | Trans 1,4-butadiene/isoprene copolymers and tire with tread thereof |
| US20050061418A1 (en) * | 2003-08-25 | 2005-03-24 | Bates Kenneth Allen | Pneumatic tire having a component containing high trans isoprene-butadiene rubber |
| US20090105403A1 (en) * | 2007-10-23 | 2009-04-23 | Toyo Tire & Rubber Co., Ltd. | Rubber Composition For Tire Tread |
| CN102257058A (en) * | 2008-12-19 | 2011-11-23 | 米其林技术公司 | Rubber composition for a tyre containing epoxide natural rubber and a plasticising resin |
| CN102050968A (en) * | 2009-11-06 | 2011-05-11 | 青岛科技大学 | Trans-1,4-polydialkene composite rubber and preparation methods thereof |
| CN104513411A (en) * | 2013-10-08 | 2015-04-15 | 固特异轮胎和橡胶公司 | Rubbery blend containing trans isoprene-butadiene copolymer |
| US20180201714A1 (en) * | 2016-03-24 | 2018-07-19 | Qingdao University Of Science And Technology | Method for industrial production of trans-butadiene-isoprene copolymer rubber and apparatus therefor |
| CN109181027A (en) * | 2018-09-07 | 2019-01-11 | 山东华聚高分子材料有限公司 | A kind of high-performance tire tread rubber and preparation method thereof |
| WO2020058615A1 (en) * | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising an epoxide elastomer and a polyphenolic compound |
| CN110157056A (en) * | 2019-07-02 | 2019-08-23 | 江苏通用科技股份有限公司 | A kind of All-steel tire matrix formula and preparation method thereof |
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