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Special highly-wear-resistant rubber material used for tire tread

A technology for rubber materials and tire treads, which is applied in the field of high wear-resistant rubber materials for tire treads, which can solve the problems of wear resistance, strength and heat resistance, and cannot adapt to high-speed, overloaded, long-distance and other conditions of use. and other problems, to achieve the effect of improving elasticity, flex cracking resistance and mechanical properties, and excellent mechanical properties

Inactive Publication Date: 2015-12-02
合肥市再德高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wear resistance, strength and heat resistance of the existing tire tread are not very ideal, and it can no longer adapt to such conditions of high speed, overload, long distance, etc., and needs to be improved

Method used

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  • Special highly-wear-resistant rubber material used for tire tread

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The special high wear-resistant rubber material for tire tread of the present invention, its raw material comprises the following components by weight: 30 parts of natural rubber, 15 parts of polybutadiene rubber, 15 parts of modified kaolin, stearic acid modified superfine 10 parts of cerium oxide, 3 parts of nano-calcium carbonate, 15 parts of nano-titanium dioxide, 1 part of zinc oxide, 5 parts of stearic acid, 1 part of sulfur, 2 parts of 2-(4-morpholinodithio)benzothiazole, organic 2 parts of silicon-acrylate rubber particles, 5 parts of methyl methacrylate-butadiene-styrene copolymer, 0.1 part of lanthanum di-n-octyl dithiocarbamate, 0.8 part of cobalt yttrium glycine dithiocarbamate , 0.1 part of N-cyclohexylthiophthalimide, 0.5 part of accelerator M, 0.1 part of accelerator CZ, 1 part of antioxidant MB, 0.5 part of lanthanum stearate, 0.1 part of calcium stearate, 3.5 parts of trioctyl trimellitate, 0.3 parts of dimethyl 4-nitrophthalate.

Embodiment 2

[0020] The special high wear-resistant rubber material for tire tread of the present invention, its raw material comprises the following components by weight: 50 parts of natural rubber, 10 parts of polybutadiene rubber, 25 parts of modified kaolin, stearic acid modified superfine 2 parts of cerium oxide, 12 parts of nano-calcium carbonate, 5 parts of nano-titanium dioxide, 5 parts of zinc oxide, 2 parts of stearic acid, 3 parts of sulfur, 0.5 parts of 2-(4-morpholinodithio)benzothiazole, organic 5 parts of silicon-acrylate rubber particles, 1 part of methyl methacrylate-butadiene-styrene copolymer, 0.5 parts of lanthanum di-n-octyl dithiocarbamate, 0.2 parts of cobalt yttrium glycine dithiocarbamate , 0.5 part of N-cyclohexylthiophthalimide, 0.1 part of accelerator M, 0.6 part of accelerator CZ, 0.2 part of antioxidant MB, 1 part of lanthanum stearate, 0.5 part of calcium stearate 1 part, 1 part of trioctyl trimellitate, 0.1 part of dimethyl 4-nitrophthalate;

[0021] Wherei...

Embodiment 3

[0023] The special high wear-resistant rubber material for tire tread of the present invention, its raw material comprises the following components by weight: 42 parts of natural rubber, 13.5 parts of polybutadiene rubber, 20 parts of modified kaolin, stearic acid modified superfine 8 parts of cerium oxide, 7 parts of nano-calcium carbonate, 10 parts of nano-titanium dioxide, 2.3 parts of zinc oxide, 4.1 parts of stearic acid, 1.6 parts of sulfur, 1.8 parts of 2-(4-morpholinodithio)benzothiazole, organic 3.3 parts of silicon-acrylate rubber particles, 3.5 parts of methyl methacrylate-butadiene-styrene copolymer, 0.26 parts of lanthanum di-n-octyl dithiocarbamate, 0.58 parts of cobalt yttrium glycine dithiocarbamate , 0.22 parts of N-cyclohexylthiophthalimide, 0.4 parts of accelerator M, 0.2 parts of accelerator CZ, 0.7 parts of antioxidant MB, 0.7 parts of lanthanum stearate, 0.23 parts of calcium stearate 2.3 parts, 2.3 parts of trioctyl trimellitate, 0.22 parts of dimethyl 4...

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Abstract

The invention discloses a special highly-wear-resistant rubber material used for tire tread. The material comprises the following raw materials: natural rubber, polybutadiene rubber, modified kaolin, stearic acid modified ultrafine cerium oxide, nanometer calcium carbonate, nanometer titanium dioxide, zinc oxide, stearic acid, sulfur, 2-(4-morpholinyl dithio)benzothiazole, organic silicone-acrylate rubber particles, a methyl methacrylate-butadiene-styrene copolymer, lanthanum dioctyldith iocarbamate, cobaltic yttrium glycinemethane dithioate, N-cyclohexylthiophthalimide, an accelerator M, an accelerator CZ, an antiaging agent MB, lanthanum stearate, calcium stearate, trioctyl trimellitate and dimethyl 4-nitrophthalate. The special highly-wear-resistant rubber material used for the tire tread has the advantages of good mechanical property, high heat resistance and excellent wear resistance, and the material is used for the tire tread with good comprehensive performances and long service life.

Description

technical field [0001] The invention relates to the technical field of rubber materials, in particular to a special high wear-resistant rubber material for tire treads. Background technique [0002] Tire tread refers to the layer where the outermost layer of the tire is in contact with the road surface and the surface is printed with patterns, which can make the tire have traction, buffer the impact and swing during driving, and prevent the cord layer from being cut and pierced. The rubber material used to make tire treads needs to have the following characteristics: (1) High wear resistance and fatigue resistance; (2) Good aging resistance; (3) High tensile strength, elasticity and toughness; (4) low heat generation when the vehicle is running. With the improvement of road conditions in our country and the development of expressways, the driving speed of automobiles has been greatly increased, and overloading is common. Users have put forward higher requirements for high t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/00C08L33/04C08L51/04C08K13/06C08K9/06C08K3/34C08K9/04C08K3/22C08K3/26C08K5/09C08K3/06C08K5/47C08K5/39C08K5/378C08K5/098C08K5/12C08K5/32B60C1/00
Inventor 邱再明
Owner 合肥市再德高分子材料有限公司
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