CN113698680A - Rubber composition, preparation method and application thereof - Google Patents
Rubber composition, preparation method and application thereof Download PDFInfo
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- CN113698680A CN113698680A CN202111057968.4A CN202111057968A CN113698680A CN 113698680 A CN113698680 A CN 113698680A CN 202111057968 A CN202111057968 A CN 202111057968A CN 113698680 A CN113698680 A CN 113698680A
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- Prior art keywords
- rubber
- styrene
- rubber composition
- butadiene
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 69
- 239000005060 rubber Substances 0.000 title claims abstract description 69
- 239000000203 mixture Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 28
- 239000006229 carbon black Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 15
- 239000011593 sulfur Substances 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 12
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 11
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000013543 active substance Substances 0.000 claims abstract description 7
- 239000012188 paraffin wax Substances 0.000 claims abstract description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 24
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 12
- 229920002554 vinyl polymer Polymers 0.000 claims description 12
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 8
- 230000000052 comparative effect Effects 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229920006978 SSBR Polymers 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000013191 viscoelastic testing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a rubber composition which comprises specific contents of butadiene rubber, styrene-butadiene rubber A, styrene-butadiene rubber B, styrene-butadiene rubber C, white carbon black, modified resin, an active agent, an anti-aging agent, paraffin, an accelerator and sulfur. The application also provides a preparation method of the rubber composition and application of the rubber composition to tires. The rubber composition provided by the application is used for the tire tread, so that the dependence of the braking performance of the tire on the temperature (23-33 ℃) on a wet and slippery road surface can be reduced, and the tire is ensured to have good low rolling resistance.
Description
Technical Field
The invention relates to the technical field of rubber, in particular to a rubber composition, a preparation method and application thereof.
Background
At present, the main problems faced by the tire industry are to maintain good wear resistance, reduce rolling resistance of the tire and improve high grip on dry and wet roads.
The green tire is a product with great environmental protection significance in the 21 st century, the rolling resistance is reduced by 20-30% compared with that of a common radial tire, the oil is saved by 2-4%, and the carbon dioxide emission is reduced by 400g per 100Km of running. The green tire adopts a special tread rubber formula, a large amount of white carbon black is used as a filling agent, 40-60 parts of white carbon black are added into per hundred parts of raw rubber by weight, and some tread rubber formulas even reach more than 80 parts. The white carbon black is used as the filler for the tire, so that the grip force of the automobile on a smooth road surface can be improved, the friction force with a wet and slippery road surface can be increased, the braking distance on the wet and slippery road surface is reduced, and the driving safety factor is effectively improved.
The braking distance of the wet and slippery road surface is tested at the ambient temperature of 23 ℃ and the ambient temperature of 33 ℃, and the test results are greatly different. The braking performance of a wet and slippery road surface has a correlation with a dynamic viscoelastic tan delta value, and the larger the tan delta value is, the larger the energy loss of the rubber composition is, and the better the grip performance of the tire on the wet and slippery road surface is.
Therefore, it is important to provide a rubber composition which can improve the difference of the braking distance of a tire on a wet road surface within a certain environmental temperature range (23 ℃ to 33 ℃) while maintaining the braking performance on the existing wet road surface unchanged; meanwhile, the tan delta 60 ℃ value of the rubber composition is maintained, and the tire is ensured to have good low rolling resistance.
Disclosure of Invention
The invention aims to provide a rubber composition, which is used for a tire tread, can reduce the dependence of the braking performance of a tire on a wet and slippery road surface on temperature, and ensures that the tire has good low rolling resistance.
In view of the above, the present application provides a rubber composition comprising:
preferably, the styrene-butadiene rubber A has the styrene content of 33-37%, the vinyl content of 53-59% and the Tg point of-20 ℃; the styrene-butadiene rubber B has a styrene content of 26-29%, a vinyl content of 57-61%, a Tg point of-21 ℃, the styrene-butadiene rubber C has a styrene content of 13-16%, a vinyl content of 27-31%, and a Tg point of-60 ℃.
Preferably, the white carbon black has a BET surface area of 200-260 m2/g。
Preferably, the sulfur is 5% oil-extended sulfur.
Preferably, the content of the butadiene rubber is 20-25 parts by weight.
Preferably, the content of the styrene-butadiene rubber A is 75-85 parts by weight.
Preferably, the content of the styrene-butadiene rubber C is 15-25 parts by weight.
Preferably, the content of the modified resin is 10 to 18 parts by weight.
The application also provides a preparation method of the rubber composition, which comprises the following steps:
mixing butadiene rubber, butadiene styrene rubber A, butadiene styrene rubber B, butadiene styrene rubber C, white carbon black, a coupling agent, modified resin, an active agent, an anti-aging agent and paraffin according to a component ratio, and banburying to obtain an initial rubber mixture;
and mixing the initial rubber mixture with an accelerator and sulfur, and discharging rubber to obtain the rubber composition.
The application also provides the application of the rubber composition or the rubber composition prepared by the preparation method to automobile tires.
The application provides a rubber composition which comprises specific contents of butadiene rubber, styrene-butadiene rubber A, styrene-butadiene rubber B, styrene-butadiene rubber C, white carbon black, modified resin, an active agent, an anti-aging agent, paraffin, an accelerator and sulfur; in the rubber composition provided by the application, the low Tg styrene-butadiene rubber and the high softening point modified resin are matched, so that the difference of the dynamic viscoelastic property tan delta value in a certain temperature range (23-33 ℃) is reduced, the braking safety performance is ensured, the difference of the braking performance of the tire in the certain temperature range (23-33 ℃) on a wet and slippery road surface is improved, and the dependence of the braking performance on the temperature on the wet and slippery road surface is reduced; meanwhile, the tan delta 60 ℃ value of the rubber composition is maintained, and the tire is ensured to have good low rolling resistance.
Detailed Description
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the invention, and not to limit the scope of the claims.
The difference of the road holding capacity of the rubber composition on a wet and slippery road surface in a certain temperature range (particularly the temperature change from 23 ℃ to 33 ℃) has correlation with the dynamic viscoelasticity tan delta 23 ℃ -tan delta 33 ℃, the smaller the tan delta 23 ℃ -tan delta 33 ℃, and the smaller the difference of the braking distance of the tire on the wet and slippery road surface in the certain temperature range. In view of the above performance requirements, the present application provides a rubber composition that produces a tire having good grip on wet road surfaces and good low rolling resistance. Specifically, the embodiment of the invention discloses a rubber composition, which comprises the following components:
in the rubber composition provided by the application, the content of the butadiene rubber is 10-30 parts by weight, more specifically, the content of the butadiene rubber is 15-25 parts by weight, and more specifically, the content of the butadiene rubber is 20-25 parts by weight.
The styrene-butadiene rubber A has the styrene content of 33-37%, the vinyl content of 53-59%, the Tg point of-20 ℃, and 25 parts by weight of raw rubber oil (filled with aromatic hydrocarbon processing oil) per 100 parts by weight of raw rubber oil; the styrene butadiene rubber A content is 60-90 parts by weight, more specifically, the styrene butadiene rubber A content is 65-88 parts by weight, more specifically, the styrene butadiene rubber A content is 75-85 parts by weight.
The styrene-butadiene rubber B has a styrene content of 26-29%, a vinyl content of 57-61% and a Tg point of-21 ℃. The content of the styrene butadiene rubber B is 0-30 parts by weight.
The styrene-butadiene rubber C has a styrene content of 13-16%, a vinyl content of 27-31% and a Tg point of-60 ℃. The styrene butadiene rubber C content is 10-30 parts by weight, more specifically 15-25 parts by weight, and more specifically 18-23 parts by weight.
In the application, the white carbon black is well-known white carbon black of the technical personnel in the field, and the BET surface area of the white carbon black is 215-255 m2(ii) in terms of/g. The content of the white carbon black is 70-90 parts by weight, more specifically 75-88 parts by weight, and more specifically 78-85 parts by weight.
The content of the carbon black is 2 to 10 parts by weight, and more specifically, the content of the carbon black is 4 to 8 parts by weight.
The coupling agent, the activator, the anti-aging agent, the accelerator and the sulfur are used as auxiliary agents. The content of the coupling agent is 7-10 parts by weight. The content of the active agent is 2.0-6.0 parts by weight, and the active agent is specifically selected from stearic acid and zinc oxide. The content of the anti-aging agent is 2.0-4.0 parts by weight. The content of the paraffin wax is 1.0-3.0 parts by weight. The content of the accelerator is 2.0-3.2 parts by weight. The content of the sulfur is 1.5-3.0 parts by weight.
The soft point of the modified resin is 100-120 ℃, and in a specific embodiment, the soft point is specifically 103 ℃. The content of the modified resin is 5-20 parts by weight, and more specifically, the content of the modified resin is 10-15 parts by weight.
The above-mentioned starting materials are commercially available directly, and the source thereof is not particularly limited in this application.
The invention also provides a preparation method of the rubber composition, which comprises the following steps:
mixing butadiene rubber, butadiene styrene rubber A, butadiene styrene rubber B, butadiene styrene rubber C, white carbon black, a coupling agent, modified resin, an active agent, an anti-aging agent and paraffin according to a component ratio, and banburying to obtain an initial rubber mixture;
and mixing the initial rubber mixture with an accelerator and sulfur, and discharging rubber to obtain the rubber composition.
In the preparation process, the banburying temperature is 100-200 ℃, more specifically 120-180 ℃; and banburying time is 3-5 h. The temperature of the binder removal is 80-120 ℃, and more specifically, the temperature of the binder removal is 90-100 ℃.
For further understanding of the present invention, the rubber composition and the preparation method thereof provided by the present invention are described in detail below with reference to examples, and the scope of the present invention is not limited by the following examples.
Examples
Mixing the components except the accelerator and the sulfur in the rubber composition by using a 5.5L HF internal mixer, heating to 140-150 ℃ for constant-temperature internal mixing, and discharging rubber after constant temperature is 220s to obtain an initial rubber mixture;
cooling the initial rubber mixture to room temperature, mixing with the rest accelerator and sulfur, and controlling the rubber discharge temperature at 90-100 ℃ to obtain the final rubber mixture; the ingredients of the rubber composition are specifically shown in table 1;
TABLE 1 component data Table of rubber compositions of examples and comparative examples
Butadiene rubber: the raisin stone BR 9000;
styrene-butadiene rubber A: ASAHI, S202 styrene content 33% -37%, vinyl content 53% -59%, Tg-20 ℃, every 100 weight portions of crude rubber oil extended 25 weight portions (filling aromatic hydrocarbon processing oil);
styrene-butadiene rubber B: 26-29% of styrene content of the Asahi chemical synthesis HPR 850, 57-61% of vinyl content and-21% of Tg point;
styrene-butadiene rubber C: 13 to 16 percent of XB120 styrene content, 27 to 31 percent of vinyl content and-60 ℃ of Tg point of ASAHI;
white carbon black: evonik9000GR with BET surface area of 215-255 m2/g；
Carbon black: cabot N-234 carbon black;
coupling agent: yingchuang lanxing SI-69;
modified resin: exxonebilopperperr 383N softening point 103 ℃;
stearic acid: a rich fat;
zinc oxide: special grade zinc oxide powder of Luchang chemical industry;
an anti-aging agent: shun chemical 6 PPD;
paraffin wax: yanggu huatai H2122H;
accelerator 1: further, DPG (chemical engineering, DPG);
accelerator 2: (iii) further chemical engineering of CBS;
oil-extended sulfur: 5% oil-filled sulfur in Jinghai chemical industry.
The performance of the above examples and comparative examples was tested, and the test results are shown in table 2;
TABLE 2 table of performance data for examples and comparative examples
| Group of | Comparative example 1 | Example 1 | Example 2 |
| tanδ23℃-tanδ33℃ | 100 | 85 | 72 |
| tanδ60℃ | 0.115 | 0.108 | 0.105 |
The data were obtained using a dynamic viscoelastic performance tester model VR7110 from UESHIMA, viscoelastic test condition 5% strain frequency 10 Hz.
From the above data, it is understood that comparative example 1 using the high softening point processed resin can improve the temperature dependence of the braking performance on a wet road surface of the rubber composition, but the rolling resistance performance is deteriorated; the low Tg point SSBR rubber is used in combination with the high softening point modified resin in the embodiments 1 and 2, so that the temperature dependence of the braking performance on a wet road surface can be improved, and the difference of the braking distance of the wet road surface in a certain temperature range can be improved.
Tires prepared using the rubber compositions of comparative example and examples 1 and 2 were subjected to WET skid performance test, WET test conditions: test Speed: 100 → 0km/h, the results are shown in Table 3;
TABLE 3 tables of data of the braking performance test after supporting the tires with the rubber compositions provided in the comparative examples and examples
| Item | Comparative example 1 | Example 1 | Example 2 |
| Dist.(23℃) | 46.7m | 46.2m | 46.6m |
| Dist.(33℃) | 49.9m | 47.4m | 48.2m |
| Dist.(23℃)-Dist.(33℃) | 3.2m | 1.2m | 1.6m |
The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A rubber composition comprising:
2. the rubber composition according to claim 1, wherein the styrene-butadiene rubber A has a styrene content of 33 to 37%, a vinyl content of 53 to 59%, and a Tg point of-20 ℃; the styrene-butadiene rubber B has a styrene content of 26-29%, a vinyl content of 57-61%, a Tg point of-21 ℃, the styrene-butadiene rubber C has a styrene content of 13-16%, a vinyl content of 27-31%, and a Tg point of-60 ℃.
3. The rubber composition according to claim 1, wherein the white carbon black has a BET surface area of 200 to 260m2/g。
4. The rubber composition of claim 1, wherein the sulfur is 5% oil extended sulfur.
5. The rubber composition according to claim 1, wherein the cis-butadiene rubber is contained in an amount of 20 to 25 parts by weight.
6. The rubber composition according to claim 1, wherein the styrene-butadiene rubber A is contained in an amount of 75 to 85 parts by weight.
7. The rubber composition according to claim 1, wherein the styrene-butadiene rubber C is contained in an amount of 15 to 25 parts by weight.
8. The rubber composition according to claim 1, wherein the modified resin is contained in an amount of 10 to 18 parts by weight.
9. A process for producing the rubber composition as described in any one of claims 1 to 8, comprising the steps of:
mixing butadiene rubber, butadiene styrene rubber A, butadiene styrene rubber B, butadiene styrene rubber C, white carbon black, a coupling agent, modified resin, an active agent, an anti-aging agent and paraffin according to a component ratio, and banburying to obtain an initial rubber mixture;
and mixing the initial rubber mixture with an accelerator and sulfur, and discharging rubber to obtain the rubber composition.
10. Use of the rubber composition according to any one of claims 1 to 8 or the rubber composition prepared by the preparation method according to claim 9 in automobile tires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057968.4A CN113698680A (en) | 2021-09-09 | 2021-09-09 | Rubber composition, preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057968.4A CN113698680A (en) | 2021-09-09 | 2021-09-09 | Rubber composition, preparation method and application thereof |
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| CN113698680A true CN113698680A (en) | 2021-11-26 |
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|---|---|---|---|---|
| CN105348596A (en) * | 2014-08-19 | 2016-02-24 | 建大橡胶（中国）有限公司 | Ultra-high performance tire tread and synthesis method thereof |
| CN107383493A (en) * | 2017-08-21 | 2017-11-24 | 万力轮胎股份有限公司 | A kind of rubber composition of tire tread and its application |
| CN109134978A (en) * | 2018-07-24 | 2019-01-04 | 浦林成山（青岛）工业研究设计有限公司 | A kind of high-performance tire tread mix and preparation method thereof and tire |
| CN111499944A (en) * | 2020-04-30 | 2020-08-07 | 万力轮胎股份有限公司 | Tire tread rubber and application thereof |
| CN111571844A (en) * | 2020-06-18 | 2020-08-25 | 正新橡胶（中国）有限公司 | Preparation method of low rolling resistance tread rubber |
| CN112409662A (en) * | 2020-11-16 | 2021-02-26 | 四川轮胎橡胶（集团）股份有限公司 | Composition for preparing rubber compound, rubber compound and preparation method thereof, and tire |
-
2021
- 2021-09-09 CN CN202111057968.4A patent/CN113698680A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348596A (en) * | 2014-08-19 | 2016-02-24 | 建大橡胶（中国）有限公司 | Ultra-high performance tire tread and synthesis method thereof |
| CN107383493A (en) * | 2017-08-21 | 2017-11-24 | 万力轮胎股份有限公司 | A kind of rubber composition of tire tread and its application |
| CN109134978A (en) * | 2018-07-24 | 2019-01-04 | 浦林成山（青岛）工业研究设计有限公司 | A kind of high-performance tire tread mix and preparation method thereof and tire |
| CN111499944A (en) * | 2020-04-30 | 2020-08-07 | 万力轮胎股份有限公司 | Tire tread rubber and application thereof |
| CN111571844A (en) * | 2020-06-18 | 2020-08-25 | 正新橡胶（中国）有限公司 | Preparation method of low rolling resistance tread rubber |
| CN112409662A (en) * | 2020-11-16 | 2021-02-26 | 四川轮胎橡胶（集团）股份有限公司 | Composition for preparing rubber compound, rubber compound and preparation method thereof, and tire |
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Application publication date: 20211126 |