CN113321856A - Rubber composition for improving performance of tire in ice and snow fields and tire - Google Patents
Rubber composition for improving performance of tire in ice and snow fields and tire Download PDFInfo
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- CN113321856A CN113321856A CN202110651198.XA CN202110651198A CN113321856A CN 113321856 A CN113321856 A CN 113321856A CN 202110651198 A CN202110651198 A CN 202110651198A CN 113321856 A CN113321856 A CN 113321856A
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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
- C08L7/00—Compositions of natural rubber
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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
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Abstract
The invention provides a rubber composition for improving performances of tires in ice and snow fields, which comprises the following components: 100 parts by weight of a rubber component; 23 to 25 parts by weight of carbon black; 32-35 parts by weight of white carbon black; 33 to 35 parts by weight of an aromatic oil; 2-5 parts by weight of an active agent; 2-6 parts by weight of a defense component; 1-2 parts by weight of a processing aid; 2-10 parts by weight of glass flakes; 1.5-3 parts by weight of a sulfur-adding agent; 0.4 to 2.5 parts by weight of a vulcanization accelerator; the rubber component comprises 60-70 wt% of natural rubber, 10-20 wt% of butadiene rubber and 15-25 wt% of styrene butadiene rubber. The tread formula composition mainly contains 2-10 PHR glass flakes, so that the contact area of the road surface on the ice and snow field can be increased, the ground gripping performance is improved, and the braking distance is shortened. Meanwhile, the applied tire is a nailing-free tire, and is beneficial to vehicle comfort and the like.
Description
Technical Field
The invention relates to the technical field of rubber products, in particular to a rubber composition for improving performances of a tire in an ice and snow field and the tire.
Background
The tyre casing is composed of tread, tyre shoulder, cord fabric and tyre bead. Wherein, the tread is the part of the tire contacting with the road surface, and the tread rubber is the outermost layer of rubber material of the tire. The cord fabric is formed by attaching a plurality of layers of rubberized cord fabrics, and the edges of each layer are wrapped on the tire bead steel wires in a bending mode.
At present, for can let the tire walk on ice and snow ground road surface, can increase the tyre chain or use the nailing tire for the tire to increase the area of contact of tire and road surface, increase frictional force, but above mode can increase the tire noise, reduces the vehicle travelling comfort, very easily causes permanent destruction to the road surface. Therefore, the existing tire products are nailless tires which can be used on the road surface on ice and snow.
The nailing-free tire is also called as a snow tire, and the tread of the conventional snow tire is easy to harden in a relatively cold environment, the contact surface with the road surface is reduced, a water film cannot be broken, the friction force is reduced, and unsafe conditions such as sideslip and vehicle sliding are easy to occur.
Disclosure of Invention
In view of the above, the present disclosure provides a rubber composition for improving performance of a tire on an ice and snow ground and the tire, and the rubber composition provided by the present disclosure can improve performance of the tire on the ice and snow ground, increase friction between a tire tread and an ice and snow road surface, and shorten a vehicle braking distance without nailing.
The invention provides a rubber composition for improving performances of tires in ice and snow fields, which comprises the following components:
100 parts by weight of a rubber component;
23 to 25 parts by weight of carbon black;
32-35 parts by weight of white carbon black;
33 to 35 parts by weight of an aromatic oil;
2-5 parts by weight of an active agent;
2-6 parts by weight of a defense component;
1-2 parts by weight of a processing aid;
2-10 parts by weight of glass flakes;
1.5-3 parts by weight of a sulfur-adding agent;
0.4 to 2.5 parts by weight of a vulcanization accelerator;
the rubber component comprises 60-70 wt% of natural rubber, 10-20 wt% of butadiene rubber and 15-25 wt% of styrene butadiene rubber.
In the embodiment of the invention, the natural rubber is smoked sheet rubber #3, and the butadiene rubber is BR 9000.
In the examples of the present invention, the rubber component was composed of 65 parts by weight of natural rubber, 15 parts by weight of butadiene rubber, and 20 parts by weight of styrene-butadiene rubber.
In the embodiment of the invention, the carbon black is super-resistant high-ductility medium-super wear-resistant furnace black SAF.
In an embodiment of the invention, the active agents include: 2-5 parts of zinc oxide and 1-3 parts of stearic acid.
In an embodiment of the invention, the defense component comprises: 1-2 parts of an anti-aging agent, 1-2 parts of protective wax and 1-2 parts of microcrystalline wax.
In an embodiment of the invention, the glass flakes are micron-sized inert non-reinforcing materials.
In an embodiment of the present invention, the rubber composition includes 4 to 6 parts by weight of glass flakes.
In an embodiment of the present invention, the sulfur-adding agent is sulfur, and the vulcanization accelerator includes: 0.1-0.5 part of accelerator DPG and 1-2 parts of accelerator TBBS.
The present invention provides a tire having a tread of the vulcanized rubber of the rubber composition described above.
Compared with the prior art, the rubber composition provided by the embodiment of the invention comprises the following components: 60-70 parts by weight of natural rubber; 10-20 parts by weight of butadiene rubber; 15-25 parts of styrene butadiene rubber; and 23 to 25 parts by weight of carbon black; 32-35 parts by weight of white carbon black; 33 to 35 parts by weight of an aromatic oil; 2-5 parts by weight of an active agent; 2-6 parts by weight of a defense component; 1-2 parts by weight of a processing aid; 2-10 parts by weight of glass flakes; 1.5-3 parts by weight of a sulfur-adding agent; 0.4 to 2.5 parts by weight of a vulcanization accelerator. The tread formula composition mainly contains 2-10 PHR glass flakes, so that the contact area of the road surface on the ice and snow field can be increased, the ground gripping performance is improved, and the braking distance is shortened. Meanwhile, the applied tire is a nailing-free tire, and is beneficial to vehicle comfort and the like.
Drawings
FIG. 1 is an SEM photograph of example 1 without adding glass flakes;
FIG. 2 shows the dispersion of the glass flakes in the size of example 1.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 invention provides a rubber composition for improving performances of tires in ice and snow fields, which comprises the following components:
100 parts by weight of a rubber component;
23 to 25 parts by weight of carbon black;
32-35 parts by weight of white carbon black;
33 to 35 parts by weight of an aromatic oil;
2-5 parts by weight of an active agent;
2-6 parts by weight of a defense component;
1-2 parts by weight of a processing aid;
2-10 parts by weight of glass flakes;
1.5-3 parts by weight of a sulfur-adding agent;
0.4 to 2.5 parts by weight of a vulcanization accelerator;
the rubber component comprises 60-70 wt% of natural rubber, 10-20 wt% of butadiene rubber and 15-25 wt% of styrene butadiene rubber.
The invention provides a rubber composition capable of improving the performance of a tire on ice and snow, which is mainly used as a nailing-free tire tread, can increase the friction force on ice and snow road surfaces and improve the gripping performance of the tire.
In the formula of the rubber composition, 100 parts by weight of rubber component comprises 60-70 wt% of natural rubber, 10-20 wt% of butadiene rubber and 15-25 wt% of styrene butadiene rubber; preferably, the rubber component is composed of 65 parts by weight of natural rubber, 15 parts by weight of butadiene rubber and 20 parts by weight of styrene-butadiene rubber. Natural Rubber (NR) is a natural polymer compound containing polyisoprene as a main component, and is a general rubber which is most widely used; the natural rubber of the present invention is not particularly limited, and a commercially available product such as a smoked sheet rubber can be used.
cis-Butadiene Rubber (BR) is an abbreviation for cis-1, 4-polybutadiene rubber, which is polymerized from butadiene. Styrene Butadiene Rubber (SBR), also known as polystyrene butadiene copolymer, has physical and mechanical properties, processability and product use properties close to those of natural rubber, and some properties such as wear resistance, heat resistance, aging resistance and vulcanization speed are better than those of natural rubber. In a specific embodiment of the invention, the natural rubber is natural rubber RSS #3 of high and deep companies, the butadiene rubber is BR9000 of the Yangzi company, and the cis-butadiene structure is polybutadiene rubber with more than 96%; the styrene butadiene RUBBER is SL553 of PHU RIENG RUBBER.
In addition, the rubber composition according to the embodiment of the present invention employs the following reinforcing components: 23 to 25 parts by weight of carbon black; 32-35 parts by weight of white carbon black. Carbon black, also known as carbon black, is an amorphous carbon, either reinforcing carbon black or furnace black. The white carbon black mainly refers to precipitated silica, fumed silica and superfine silica gel, and is a porous substance. In a specific embodiment of the invention, the carbon black isSuper high-resistance, super-extension, super wear-resistant furnace black SAF and white carbon black 1165MP, Solvay fine chemical industry. Namely, carbon black: iodine absorption value of 114.0-124.0mg I2(ii) an oil absorption number of 120.0 to 130.0mL/100g, a total surface area of 114.0 to 124.01000m2Per kg, average hardness gf 50Max, pH 7.0-10.0; white carbon black: moisture (100-2Per g, BET surface area 150.0-180.0m2/g。
In the present invention, the rubber composition comprises 33 to 35 parts by weight of an aromatic oil, preferably 33.5 parts by weight. Aromatic oil is also called aromatic hydrocarbon or aromatic hydrocarbon, and refers to hydrocarbon compounds containing benzene ring structure in molecules; the aromatic hydrocarbon can increase the adhesiveness of the rubber compound and maintain the high strength of the vulcanized rubber, but has a certain influence on the heat generation of the vulcanized rubber, so that the ideal aromatic oil should have an appropriate chemical composition. Viscosity, flash point, aniline point are the main quality indicators characterizing the composition and physical properties of aromatic oils; aromatic oils with different physical properties have different effects on the properties of the vulcanizate. Specifically, the aromatic hydrocarbon oil in the examples of the present invention is H &VIVATEC500 of R GROUP, kinematic viscosity 15.0-25.0mm2S (100 ℃); flash point 210 ℃.
In the invention, the rubber composition comprises 2-5 parts by weight of an active agent. The active agents preferably include: 2-5 parts of zinc oxide (ZnO) and 1-3 parts of stearic acid. The components of zinc oxide and stearic acid can play roles in lubrication, convenient processing, vulcanization promotion and the like.
The rubber composition comprises 2-6 parts by weight of a defense component, and the defense component preferably comprises: 1-2 parts of an anti-aging agent, 1-2 parts of protective wax and 1-2 parts of microcrystalline wax. The anti-aging agent is preferably an amine anti-aging agent, and has outstanding anti-aging performance. Specifically, the embodiment of the present invention employs antioxidant 6PPD, which is N- (1, 3-dimethylbutyl) -N' -phenyl-p-phenylenediamine, in an amount of, for example, 2 parts by weight.
The processing aid is an additive capable of improving production operation efficiency and processing performance, for example, the processing aid AktiplastPP is a mixture of unsaturated fatty acid zinc soap and a dispersing agent, and can play a role in improving dispersibility, fluidity, demolding performance and the like.
In the nailing-free tire tread formula provided by the embodiment of the invention, 2-10 PHR glass flakes, preferably 5PHR glass flakes are added, and since the glass flakes do not participate in chemical reaction in the rubber composition, when the tire is used, the tread can form fine concave-convex shapes, so that the contact area of ice and snow road surfaces can be increased, the friction force of the ice and snow road surfaces can be increased, the ground gripping performance of the tire can be improved, and the braking distance can be shortened.
The glass flakes used in the embodiment of the invention are inert non-reinforced additives, are different from nano-sized reinforced fillers, are micron-sized additives, such as 5-10 mu m glass fragments, and can also be particles, are prepared from molten medium alkali glass at the temperature of more than 1200 ℃ through the process steps of bubbling, crushing, cooling, screening, grinding and the like, and have high cohesive force and ageing resistance. In the rubber composition, the glass flakes do not participate in chemical reaction, can form nano-scale aggregates with carbon smoke and crude rubber microscopically, and are adsorbed on the surface of the tire from a macroscopic view point, so that the glass flakes can firmly grasp ice and snow road surfaces and break water films to increase the grip force as if small rivets are arranged on the tire tread.
In the present invention, the rubber composition comprises: 0.4-2.5 parts of vulcanization accelerator and 1.5-3 parts of sulfur-adding agent. In a specific embodiment of the present invention, the sulfur-adding agent is sulfur, and the vulcanization accelerator includes: 0.1-0.5 part of accelerator DPG (diphenyl guanidine) and 1-2 parts of accelerator TBBS (N-tert-butyl-2-benzothiazole sulfonamide).
The preparation method of the rubber composition provided by the embodiment of the invention specifically comprises the following steps:
Preparing a master batch by primary mixing: sequentially adding the crude rubber such as natural rubber, the carbon black, the white carbon black, the zinc oxide, the stearic acid, the aromatic hydrocarbon oil, the anti-aging agent and the glass flakes into a Banbury mixer, carrying out banburying at 130 ℃ for 120 seconds, and discharging rubber at 160 ℃;
final mix preparation of final mix: the obtained master batch, sulfur, an accelerator and the like are added into an internal mixer, and the mixture can be discharged after being mixed for 120 seconds at 105 ℃ to obtain the rubber composition.
The rubber composition vulcanization conditions are as follows: the resulting mixture was heated at 160 ℃ for 20 minutes to prepare a physical test piece.
Embodiments of the present invention also provide a tire, wherein the vulcanized rubber of the rubber composition is a tread, which is a nailless tire. Brake test verification is carried out on the tire test site in winter, and the snow tire product has good snow and ice ground gripping performance. Performance on ice and snow: it is characterized by E '-30 ℃ of the viscoelastic test of the semi-finished product and the braking distance d of the real vehicle test (the smaller the E' -30 ℃ and the d, the better).
For further understanding of the present application, the following specifically describes the rubber composition and tire provided by the present application for improving the performance of the tire on ice and snow with reference to examples. It should be understood, however, that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the following examples.
The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by manufacturers, and are all conventional products available on the market.
Example 1
According to the formula shown in the table 1, the raw rubber such as natural rubber, carbon black, white carbon black, stearic acid, aromatic oil, an anti-aging agent and glass flakes are sequentially added into a Banbury mixer, mixed for 120 seconds at 130 ℃, and discharged at 160 ℃;
the obtained master batch, sulfur, an accelerator and the like were added to an internal mixer, and mixed at 105 ℃ for 120 seconds and then discharged to obtain a rubber composition.
FIG. 1 is an SEM image of the same formulation of example 1 without the addition of glass flakes; FIG. 2 shows the dispersion of the glass flakes in the size of example 1. In the rubber composition, the glass flakes do not participate in chemical reaction, can microscopically form nano-scale aggregates with carbon smoke and crude rubber, and are adsorbed on the surface of the tire in use from a macroscopic view, so that the tire can firmly grasp ice and snow road surfaces, break water films and increase the grip force.
Examples 2 to 3
According to the formulation of Table 1, a compound was prepared according to the procedure of example 1.
Comparative example
A compound was prepared according to the recipe of Table 1, following the procedure of example 1.
TABLE 1 formulation of rubber composition in examples of the present invention (in parts by weight)
Note:
the natural rubber is RSS #3, and the manufacturer is high and deep;
the butadiene rubber is BR 9000. The manufacturer is a Yangzi petrochemical company;
the styrene-butadiene RUBBER is SL553, and the manufacturer is PHU RIENG RUBBER;
the carbon black 1 is super-resistant high-elongation medium-super-wear-resistant furnace black SAF, and the manufacturer is Shanghai Kabot corporation;
white carbon black 1165MP, Solvay Fine chemical Co;
TDAE is environment-friendly aromatic oil VIVATEC 500, and the manufacturer is H & R GROUP;
the activator is inorganic activator ZnO, and the manufacturer is Luchang chemical company;
stearic acid octadecanoic acid SA, manufactured by Fengyi grease;
the protective wax is okerin2122H, and the manufacturer is EASTMAN;
microcrystalline paraffin RD, as a product of Shunhua chemical engineering Co., Ltd;
the processing aid is AktiplastPP, and the manufacturer is Rhine chemistry;
the old defense agent is 6PPD, and the manufacturer is parameter (Suzhou);
the sulfur is SS200-5, and the manufacturer is Jinghai chemical company;
accelerator 1 was DPG, manufactured by Shandong Shunhun chemical Co., Ltd;
accelerator 2 was TBBS, a product of Shandong Shunhong chemical industry.
The performance of the rubber composition of the embodiment of the invention is as follows:
TABLE 2 Performance Table
| Performance of | Comparative example | Example 1 | Example 2 | Example 3 |
| Hardness HS (JISA) | 49 | 50 | 51 | 51 |
| Worn lambourn | 100％ | 97％ | 96％ | 94％ |
| Tan0 deg.C wetland | 100％ | 105％ | 108％ | 112％ |
| Rolling resistance Tan60 deg.C | 100％ | 99％ | 99％ | 97％ |
| Winter performance E' -30 DEG C | 100％ | 100％ | 102％ | 105％ |
| Ice ground brake | 100％ | 101％ | 104％ | 109％ |
| Snow brake | 100％ | 100％ | 102％ | 104％ |
In Table 2, the performance results such as abrasion in comparative examples are represented by an index, and the larger the index is, the better the performance is.
The performance test method comprises the following steps:
1. the hardness was measured manually at 23 ℃ on dumbbell-shaped test pieces made of the rubber compositions of comparative examples and examples using a Bareiss (digitest) JIS type A durometer.
2. Vulcanization conditions of composition test pieces: the test was conducted by heating at 160 ℃ for 20 minutes to cure the composition into various test pieces of different sizes.
Lambourn abrasion test experiments were carried out using UESHIMA manufacturer AB-1152 abrasion equipment, with test conditions: the speed is 100m/min, the angle is 5 percent, the load is 20N, and the time is 30 min. Specific test values (g) for abrasion of comparative examples and examples 1 to 3: 0.142, 0.146, 0.148, 0.151.
3. The test pieces (thickness 2. + -. 0.2mm) made of the rubber compositions of comparative examples and examples were measured for tan. delta. (0 ℃ C.) at a temperature of 0 ℃ C. under a condition of a maximum strain of 0.2% and a frequency of 10Hz using a viscoelastic tester model No. VR7110 manufactured by UESHIMA, and this value represents wet grip performance, and the higher the value, the better the performance. The tan. delta. (60 ℃ C.) of test pieces (thickness 2. + -. 0.2mm) made of the rubber compositions of comparative examples and examples was measured at a temperature of 60 ℃ C. and the rolling resistance property was represented by this value, and the lower the value, the better the property. The E '(-30 ℃) of test pieces (thickness 2. + -. 0.2mm) made of the rubber compositions of the comparative examples and examples was measured at a temperature of-30 ℃ and represented winter properties, the lower the value, the better the properties (E' (-30 ℃) is the modulus of elasticity in the viscoelastic data at-30 ℃ and also characterizes the rigidity of the tire at low temperature, the specific test values of the modulus of elasticity for the comparative examples, examples 1-3: 16.74, 16.75, 16.40, 15.90).
4. Braking in ice and snow fields: the method is carried out in a winter tire testing field, brake testing is verified, the brake distance of 80 → 2Km/h is tested under the same test condition, and the smaller the brake distance is, the better the performance of the ice and snow ground is represented.
From the above examples, the tread formula composition of the invention can increase the contact area of the road surface on the ice and snow land, improve the ground gripping performance and shorten the braking distance. Meanwhile, the applied tire is a nailing-free tire, and is beneficial to vehicle comfort and the like.
The above description is only a preferred embodiment of the present invention, and it should be noted that various modifications to these embodiments can be implemented by those skilled in the art without departing from the technical principle of the present invention, and these modifications should be construed as the scope of the present invention.
Claims (10)
1. A rubber composition for improving performances of tires on ice and snow lands comprises the following components:
100 parts by weight of a rubber component;
23 to 25 parts by weight of carbon black;
32-35 parts by weight of white carbon black;
33 to 35 parts by weight of an aromatic oil;
2-5 parts by weight of an active agent;
2-6 parts by weight of a defense component;
1-2 parts by weight of a processing aid;
2-10 parts by weight of glass flakes;
1.5-3 parts by weight of a sulfur-adding agent;
0.4 to 2.5 parts by weight of a vulcanization accelerator;
the rubber component comprises 60-70 wt% of natural rubber, 10-20 wt% of butadiene rubber and 15-25 wt% of styrene butadiene rubber.
2. The rubber composition of claim 1, wherein the natural rubber is smoked sheet rubber #3 and the butadiene rubber is BR 9000.
3. The rubber composition according to claim 2, wherein the rubber component is composed of 65 parts by weight of natural rubber, 15 parts by weight of butadiene rubber and 20 parts by weight of styrene-butadiene rubber.
4. The rubber composition according to claim 1, wherein the carbon black is SAF (super high tensile Medium abrasion furnace Black).
5. The rubber composition of claim 1, wherein the active agent comprises: 2-5 parts of zinc oxide and 1-3 parts of stearic acid.
6. The rubber composition of claim 1, wherein the defense component comprises: 1-2 parts of an anti-aging agent, 1-2 parts of protective wax and 1-2 parts of microcrystalline wax.
7. A rubber composition according to any one of claims 1 to 6, wherein the glass flakes are micron-sized inert non-reinforcing materials.
8. The rubber composition according to claim 7, wherein the rubber composition comprises 4 to 6 parts by weight of glass flakes.
9. A rubber composition according to any one of claims 1 to 6, wherein the sulfur-adding agent is sulfur, and the vulcanization accelerator comprises: 0.1-0.5 part of accelerator DPG and 1-2 parts of accelerator TBBS.
10. A tire tread comprising a vulcanizate of the rubber composition of any of claims 1 to 9.
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| CN202110651198.XA CN113321856B (en) | 2021-06-10 | 2021-06-10 | Rubber composition for improving performance of tire in ice and snow fields and tire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328289A (en) * | 2007-06-22 | 2008-12-24 | 住友橡胶工业株式会社 | Rubber composition for tire, and winter tire using the same |
| CN103804728A (en) * | 2013-11-25 | 2014-05-21 | 山东龙跃橡胶有限公司 | Rubber composition for tread of semisteel snow tyre of car |
| CN109721773A (en) * | 2019-01-07 | 2019-05-07 | 正新橡胶（中国）有限公司 | A kind of Tire tread rubber composition and its application |
| CN109942920A (en) * | 2019-03-26 | 2019-06-28 | 腾森橡胶轮胎（威海）有限公司 | A kind of superelevation road holding Tire tread rubber composition |
| CN111333934A (en) * | 2020-04-28 | 2020-06-26 | 三角轮胎股份有限公司 | Four-season all-steel snow and ice ground tire tread rubber composition |
| CN112334324A (en) * | 2018-06-19 | 2021-02-05 | 米其林集团总公司 | Composition comprising a butadiene elastomer and a specific filler and tire comprising this composition |
-
2021
- 2021-06-10 CN CN202110651198.XA patent/CN113321856B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328289A (en) * | 2007-06-22 | 2008-12-24 | 住友橡胶工业株式会社 | Rubber composition for tire, and winter tire using the same |
| CN103804728A (en) * | 2013-11-25 | 2014-05-21 | 山东龙跃橡胶有限公司 | Rubber composition for tread of semisteel snow tyre of car |
| CN112334324A (en) * | 2018-06-19 | 2021-02-05 | 米其林集团总公司 | Composition comprising a butadiene elastomer and a specific filler and tire comprising this composition |
| CN109721773A (en) * | 2019-01-07 | 2019-05-07 | 正新橡胶（中国）有限公司 | A kind of Tire tread rubber composition and its application |
| CN109942920A (en) * | 2019-03-26 | 2019-06-28 | 腾森橡胶轮胎（威海）有限公司 | A kind of superelevation road holding Tire tread rubber composition |
| CN111333934A (en) * | 2020-04-28 | 2020-06-26 | 三角轮胎股份有限公司 | Four-season all-steel snow and ice ground tire tread rubber composition |
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| CN113321856B (en) | 2023-04-07 |
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