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Rubber tire tread

A tread and natural rubber technology, applied in the field of rubber tire treads, can solve the problems of low density, decrease in strength and wear resistance, and shorten the service life of tires, and achieve the effects of low density, increased strength, and strong anti-freeze cracking effect.

Inactive Publication Date: 2015-06-10
大连轮胎有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While ensuring the strength of the tire, it is often expected to have a lower density, and usually a decrease in density will lead to a decrease in strength and wear resistance, thereby reducing the service life of the tire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Place polybutadiene rubber, bromobutyl rubber, and natural rubber in a mixing device for pre-mixing at 40°C for 10 minutes; then add polyborate fiber, nano-montmorillonite, expanded graphite, sulfur, and stearin After acid and anti-aging agent, continue to mix for 60 minutes; add accelerator and mix for 5 minutes, then shape; vulcanize at 110°C and 5MPa for 20 minutes.

[0023] Among them, the raw materials used include the following raw materials in parts by weight:

[0024] Polybutadiene rubber: 75, bromobutyl rubber: 75, natural rubber: 50, polyborate fiber: 10, nano-montmorillonite: 15, expanded graphite: 15, sulfur: 3, stearic acid 3, Anti-aging agent: 1.5, accelerator: 4.

Embodiment 2

[0026] Put polybutadiene rubber and bromobutyl rubber in a mixing device for pre-mixing at 40°C for 10 minutes; then add polyborate fiber, nano-montmorillonite, expanded graphite, sulfur, stearic acid, anti-aging Continue mixing for 60 minutes after adding the accelerator; add the accelerator and mix for 5 minutes, then shape; vulcanize at 110°C and 5MPa for 20 minutes.

[0027] Polybutadiene rubber: 100, bromobutyl rubber: 100, polyborate fiber: 10, nano-montmorillonite: 10, expanded graphite: 15, sulfur: 3, stearic acid 4, antioxidant: 3, Accelerator: 4.

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PUM

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Abstract

The invention relates to a rubber tire tread, and belongs to the field of preparation of rubber tires. The rubber tire tread is prepared from the following raw materials: polybutadiene rubber, brominated butyl rubber, natural rubber, polymeric borate ester fibers, nanometer montmorillonite, expanded graphite, sulfur, stearic acid and anti-aging agents, wherein the polymeric borate ester fibers can be used for effectively enhancing the strength of a tire and reducing the density of the tire. The rubber tire tread disclosed by the invention has the advantages of high abrasion resistance, anti-aging resistance, high frost crack preventing effect and low density.

Description

Technical field [0001] The invention relates to a rubber tire tread and belongs to the field of rubber tire preparation. Background technique [0002] In the past 10 years, China's automobile industry has entered a stage of explosive growth, especially with the improvement of living standards, the demand for private car purchases has begun to rise rapidly. As an important part of the car, the tire plays a role in supporting the weight of the vehicle, transmitting the torsion force of traction and braking, ensuring the adhesion of the wheel and the road, reducing and absorbing the vibration and impact of the car during driving, and preventing the auto parts from being severe Vibration and early damage play an important role in ensuring driving safety, handling stability and comfort. While ensuring the strength of the tire, it is often expected that it has a lower density, and a decrease in density will usually bring about a decrease in strength and wear resistance, thereby reduci...

Claims

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Application Information

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IPC IPC(8): C08L9/00C08L23/28C08L7/00C08L85/04C08K13/02C08K3/34C08K3/04C08K3/06C08K5/09B29C35/02B60C1/00
CPCC08L23/283B60C1/0016C08L9/00C08L2205/03C08L7/00C08L85/04C08K13/02C08K3/346C08K3/04C08K3/06C08K5/09
Inventor 付兴铎高阳
Owner 大连轮胎有限公司
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