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Rubber composition for high-speed energy-saving tire tread

A technology of rubber composition and tire tread, which is applied in special tires, tire parts, rolling resistance optimization, etc., can solve the problem of reducing rolling resistance and put it in a dominant position, so as to reduce rolling resistance and dynamic heat generation, and eat materials Improved performance and shortened kneading time

Active Publication Date: 2016-02-03
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the domestic use of silica in tire tread rubber is mainly to improve the cutting and puncture resistance of the tread, and the reduction of rolling resistance has not yet been given priority

Method used

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  • Rubber composition for high-speed energy-saving tire tread
  • Rubber composition for high-speed energy-saving tire tread
  • Rubber composition for high-speed energy-saving tire tread

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The basic formula is the same as that of Comparative Example 1, the difference is that the mass ratio of N220 / N330 / silica is 10 / 30 / 10 respectively, and its physical and mechanical properties and aging properties are shown in Table 2-3, the dynamic viscoelastic data of HVPBR vulcanizate See Table 4, the DMA curve of vulcanizate see figure 1 .

Embodiment 2

[0039] The basic formula is the same as that of Comparative Example 1, the difference is that the mass ratio of N220 / N330 / silica is 10 / 25 / 15 respectively, and its physical and mechanical properties and aging properties are shown in Table 2-3, the dynamic viscoelasticity data of HVPBR vulcanizate See Table 4, the DMA curve of vulcanizate see figure 1 .

Embodiment 3

[0041] The basic formula is the same as that of Comparative Example 1, the difference is that the mass ratio of N220 / N330 / silica is 10 / 20 / 20 respectively, and its physical and mechanical properties and aging properties are shown in Table 2-3, the dynamic viscoelastic data of HVPBR vulcanizate See Table 4, the DMA curve of vulcanizate see figure 1 .

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Abstract

The present invention relates to a rubber composition for a high-speed energy-saving tire tread, and belongs to the technical field of tire and rubber processing. The rubber composition comprises the following components: 100 parts by mass of HVPBR, 10-50 parts by mass of white carbon, 0-40 parts by mass of carbon black, and 0-2.7 parts by mass of a silane coupling agent, wherein a total amount of the white carbon and the carbon black is 50 parts by mass. Compared with the conventional rubber material for a tire tread, the rubber composition contains high vinyl polybutadiene with a branched structure, so that the consistency of the white carbon and a rubber material is improved, and the processability is improved. On the premise of ensuring excellent wet traction, the rolling resistance and dynamic heat build-up of the tread are reduced without causing obvious loss of traction force, thereby meeting a development concept of low-carbon economy that is currently advocated.

Description

technical field [0001] The invention relates to a rubber composition for high-speed energy-saving tire tread, which belongs to the technical field of tire and rubber processing. Background technique [0002] In the 1990s, the French company Michelin proposed the concept of green tires and devoted itself to its research work. Major tire companies in Europe, the United States and Japan have accelerated the development of green tires. The so-called green tires refer to tires that can reduce fuel consumption and reduce vehicle exhaust emissions. It has become the mainstream of tire industry development. With the development of automobiles in the direction of high speed, safety, energy saving, and comfort, the requirements for high performance tires are also increasing year by year, which requires tire treads to have good wet skid resistance, excellent wear resistance, and low rolling resistance. resistance characteristics. Since the 1990s, white carbon black has been widely u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/00C08K3/36C08K3/04C08K5/54B60C1/00
CPCY02T10/86
Inventor 吴明生李迎耿洁婷华静赵吉红艾学芹徐玲孙艳玲綦建芝庞先明郭丽云徐帅
Owner CHINA PETROLEUM & CHEM CORP
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