Rubber composition for tire tread and tire manufactured with the same

A rubber composition, tire tread technology, applied in special tires, tire parts, rolling resistance optimization, etc., can solve problems such as reduced wear resistance, reduced braking performance, and less reinforcement

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Problems solved by technology

[0004] However, this technique has the disadvantage that, the smaller the amount of the reinforcing agent, the lower the braking performance and regulation stability which are important properties of the tire tread.
[0005] As mentioned above, in the material development technology of the existing tire, improving the wear resistance and fuel consumption performance of the tire will lead to the reduction of the braking performance. abrasive tendencies

Method used

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  • Rubber composition for tire tread and tire manufactured with the same
  • Rubber composition for tire tread and tire manufactured with the same

Examples

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manufacture example

[0083] Production example: Production of rubber composition for tire tread

[0084] (Example and Comparative Example)

[0085] The rubber compositions for tire treads of Examples 1 to 4 and Comparative Examples 1 and 2 were produced with compositions shown in Table 1 below. The manufacturing method of the rubber composition for tire tread adopts the manufacturing method of tire tread rubber commonly used at present.

[0086] Table 1 (unit: parts by weight)

[0087]

[0088] (1) E-SBR: SBR1502

[0089] (2) S-SBR: The styrene content is 15-25% by weight, the vinyl content contained in butadiene is 60-65% by weight, manufactured by a batch method, and the molecular weight distribution (MWD) is 1.3-1.5. Solution-polymerized styrene-butadiene rubber (SBR) with terminal modification as hydrophilic group (hydroxyl group, -OH) coupled by Sn

[0090] (3) S-SBR: styrene content 30-50% by weight, vinyl content contained in butadiene 20-30% by weight, manufactured by batch method, ...

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Abstract

The present invention provides a rubber composition for a tire tread and a tire manufactured with the same. The rubber composition comprises 100 by weight parts of crude rubber and 60-90 by weight parts of silicon dioxide, wherein the crude rubber comprises 30-50 by weight parts of solution polymerization type styrene-butadiene (S-SBR) rubber and 10-30 by weight parts of butadiene rubber (BR). The content of the styrene in the solution polymerization type styrene-butadiene is 15-25% by weight, and the content of the ethenyl in butadiene is 60-65% by weight. According to the solution polymerization type styrene-butadiene rubber, each module end is modified to a hydrophilic group, and the modules are coupled with each other through tin. The rubber composition for the tire tread has the following advantages: reduced lag loss, maximized low combustion consumption performance, excellent braking performance which is normally reduced because of maximization of low combustion consumption performance, improved machining performance in an unvulcanized state, improved bracking performance in the vulcanized state, improved wearing resistance, improved rolling resistance, etc.

Description

technical field [0001] The present invention relates to a rubber composition for tire treads and a tire manufactured using the composition, specifically, a rubber composition which is excellent in processability in an unvulcanized state, and which has improved braking performance, wear resistance, and low fuel consumption performance Rubber composition for tire tread and tire manufactured using the composition. Background technique [0002] In recent years, with the high-performance requirements of automobiles, consumers have also put forward high-performance requirements for tires. In particular, tires are required to have wear resistance, handling, drivability, wet braking performance, and low Fuel consumption performance, therefore, actively research and develop new materials. In order to develop tires that combine wear resistance, handling, drivability, wet braking performance, and low fuel consumption performance, a lot of research has been conducted especially in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08L15/00C08L9/00C08K3/36B60C1/00
CPCY02T10/86B60C1/0016C08C19/25C08C19/26C08K3/36C08L9/00C08L9/06C08L2205/02C08L2205/03
Inventor 朴汉琪崔志银金廷泰
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