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Rubber composition of tire tread and application of rubber composition

A technology for a rubber composition and a tire tread, which is applied in the field of rubber compositions for tire treads, can solve the problems that the dynamic ozone aging protection effect cannot be achieved, the performance and ozone aging protection are difficult to achieve, and the anti-aging agent is not contained. Good aging protection effect, good ozone aging performance, excellent aging resistance

Active Publication Date: 2017-04-19
GUANGZHOU FENGLI RUBBER TIRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to obtain brightly colored rubber, compared with conventional black rubber, colored rubber cannot use polluting materials, especially polluting anti-aging agents. However, the rubber does not contain anti-aging agents. It is difficult to reach the level of traditional black rubber in protection
[0003] At present, colored tire tread compounds usually add more non-polluting chemical anti-aging agents for aging protection, but non-polluting chemical anti-aging agents have weak protection against ozone aging, especially dynamic ozone aging, and cannot achieve sufficient dynamic ozone aging protection effect; and after a period of use, the color rubber is prone to discoloration

Method used

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  • Rubber composition of tire tread and application of rubber composition
  • Rubber composition of tire tread and application of rubber composition
  • Rubber composition of tire tread and application of rubber composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] In parts by weight, the components are: natural rubber 60, bromobutyl rubber 40, white carbon black 50, silane coupling agent 5, red dye 8, titanium dioxide 10, naphthenic oil 10, paraffin wax 1.5, active agent 6 , Accelerator 2.7, vulcanizing agent 1.6, dispersant 3.5; mixed with the above formula to prepare a red rubber compound. The rubber compound performance test results are shown in Table 1.

Embodiment 2

[0043] In parts by weight, the components are: oil-extended soluble polystyrene-butadiene (including 15 parts of naphthenic oil) 75, bromobutyl rubber 40, white carbon black 60, silane coupling agent 5.5, blue dye 6, titanium White powder 10, naphthenic oil 5, paraffin 1.5, active agent 6, accelerator 2.5, vulcanizing agent 1.6, dispersant 7; blue rubber compound was prepared with the above formula, and the rubber compound performance test results are shown in Table 1.

Embodiment 3

[0045] In parts by weight, the components are: natural rubber 60, bromobutyl rubber 30, EPDM rubber 10, white carbon black 50, silane coupling agent 5, blue dye 6, titanium dioxide 30, naphthenic oil 10. Paraffin wax 1.5, active agent 6, accelerator 2.5, vulcanizing agent 1.6, tackifying resin 4, dispersant 3; blue rubber was prepared with the above formula, and the rubber performance test results are shown in Table 1.

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Abstract

The invention provides a colorful rubber composition of a tire tread. The rubber composition of the tired tread of a colorful tire forms a main protective system through matrix rubber; through balancing section of the matrix rubber, basic usage performances of the rubber are guaranteed; tread rubber prepared by the rubber composition is colorful in appearance color, and is not liable to change color. According to the experimental results, vulcanizate properties and dynamic ozone aging characteristics of the obtained rubber composition can be kept to be free of racks within 48 hours under ozone concentration being 50 pphm; tensile strength can reach 18 MPa; and wear mileage of a tire prepared by the rubber composition provided by the invention can be more than 0.04 million km.

Description

Technical field [0001] The invention relates to the technical field of tires, in particular to a rubber composition for tire treads and applications thereof. Background technique [0002] Traditional car tires are usually black, which is not beautiful and unique in appearance. The use of colored rubber to produce colored tires has a novel and unique appearance, and is very individual. However, in order to obtain a brightly colored rubber compound, compared with the conventional black rubber compound, the color rubber cannot use polluting materials, especially polluting antioxidants. However, the rubber compound does not contain antioxidants, which is better in performance and ozone aging. It is difficult to reach the level of traditional black rubber in protection. [0003] At present, color tire tread compounds usually add more non-polluting chemical antioxidants for aging protection, but non-polluting chemical antioxidants have weak protection against ozone aging, especially dy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/06C08L23/16C08L23/28C08L91/00C08L91/06C08K13/02C08K3/36C08K3/22C08K5/09B60C1/00
CPCB60C1/0016C08L7/00C08L9/06C08L2201/08C08L2205/035C08L23/28C08L91/00C08L91/06C08K13/02C08K3/36C08K2003/2241C08K2003/2296C08K5/09C08L23/16
Inventor 曹晖
Owner GUANGZHOU FENGLI RUBBER TIRE
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