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High wet skid-resistant rubber composition for tyre surface

A rubber composition, anti-wet skid technology, applied in special tires, tire parts, transportation and packaging, etc., can solve problems such as easy to cause traffic accidents, sideslip, long braking distance, etc.

Inactive Publication Date: 2015-06-10
SICHUAN TYRE & RUBBER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] High-performance semi-steel radial tires are prone to "slip" and "side-slip" phenomena during high-speed driving, and the braking distance is relatively long, which is likely to cause traffic accidents

Method used

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  • High wet skid-resistant rubber composition for tyre surface
  • High wet skid-resistant rubber composition for tyre surface
  • High wet skid-resistant rubber composition for tyre surface

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007]

[0008] In the present embodiment, the manufacture of the rubber composition takes the following processes:

[0009] The rubber material manufacturing is divided into three stages of mixing production, all of which adopt the intelligent mixing process of joint control of time and energy. Add butadiene-styrene rubber SBR1721, cis-butadiene rubber BR0150, carbon black N234 (3 / 4 of the total amount of carbon black N234), white carbon black, and silane coupling agent during the first stage of rubber mixing , stearic acid, aromatic oil; the second-stage rubber material uses the mixed rubber produced by the first-stage mixing as the masterbatch, and adds carbon black N234 (1 / 4 of the total amount of carbon black N234), zinc oxide, and anti-aging agent 4020 , anti-aging agent RD, rubber protective wax; the third stage of mixing is to use the mixed rubber produced in the second stage of mixing as the masterbatch, add accelerator CZ, DPG, and ordinary sulfur powder in the in...

Embodiment 2

[0014]

[0015] In this embodiment, the same process as in Embodiment 1 is adopted to manufacture the rubber composition.

[0016] The performance test data of the rubber composition prepared using the formula of this embodiment is shown in the table below.

[0017]

[0018] Note: 2) Dynamic mechanical properties are measured by Mettler Toledo DMASDTA861e, shear test conditions: stress 10N, displacement 15μm, frequency 11HZ, initial temperature -50°C, end temperature 70°C, heating rate 3°C / min.

[0019] Using the rubber composition prepared in the above example, in the process of rubber mixing and extrusion, the rubber material does not suffer from "scorch", the production efficiency is high, the surface of the extruded tread is smooth, the cross section is compact, and the vulcanization process Normal, can fully meet the requirements of mass industrial production. The high-performance semi-steel radial tires produced have a short emergency braking distance, good handli...

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PUM

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Abstract

The invention relates to a high wet skid-resistant rubber composition for a tyre surface. Compared with the common tyre surface rubber composition, the high wet skid-resistant rubber composition has high wet skid resistance and can be used for a high-performance semi-steel radial tyre. A raw rubber system of the high wet skid-resistant rubber composition comprises butadiene-styrene rubber SBR 1721 and cis-butadiene rubber BR0150, a mass ratio of the butadiene-styrene rubber SBR 1721 in the raw rubber system is greater than or equal to 80%, 70-80 parts of a filler is used, a ratio of white carbon black in the filler is greater than or equal to 65%, and other raw materials comprise zinc oxide, stearic acid, an antiager 4020, an antiager RD, rubber protection wax, a silane coupling agent Si-69, aromatic hydrocarbon oil, a promoter CZ, a promoter DPG and common sulfur powder. The high wet skid-resistant rubber composition is mainly used for high-performance semi-steel radial tyre production, and can obviously improve tyre braking performances, shorten a braking distance and improve tyre controllability.

Description

technical field [0001] The invention relates to a rubber composition with excellent wet skid resistance, which is used as a tread rubber for the production of high-performance semi-steel radial tires. Background technique [0002] High-performance semi-steel radial tires are prone to "slip" and "side-slip" phenomena during high-speed driving, and the braking distance is relatively long, which is likely to cause traffic accidents. The driving characteristics of high-performance tires require tire tread rubber to have excellent wet skid resistance to ensure that the tires have strong grip and anti-skid capabilities. The various raw materials used in the present invention are all commercially available products and are easy to obtain; the rubber composition reasonably prepared from various raw materials is used as a high-performance tire tread rubber, which has the characteristics of strong grip and excellent wet skid resistance. The tires have a shorter braking distance durin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08L9/00C08K13/02C08K3/22C08K5/09C08K3/04C08K3/36C08K5/54B60C1/00
CPCC08L9/06B60C1/0016C08L2205/02C08L2205/035C08L9/00C08L91/06C08L91/00C08K13/02C08K2003/2296C08K5/09C08K3/04C08K3/36C08K5/548C08K5/3437C08K3/06C08K5/47C08K5/18C08K5/31
Inventor 李贞延张俊伟熊国华李冬王廷华刘晓庆董继学罗建刚刘超彭建冯友林孙建峰曾勇
Owner SICHUAN TYRE & RUBBER CO LTD
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