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Wet-skid-resistant rubber composition as well as mixing method and application thereof

A rubber composition and anti-wet skid technology, which is applied in the field of automobile tire materials, can solve the problems of weak wet skid resistance and inability to adapt to changes in the track environment, and achieve excellent grip performance

Active Publication Date: 2021-12-03
SAILUN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a kind of anti-wet skid rubber composition, its mixing method and application, to solve the problem of racing tire in the prior art Weak skid ability and unable to adapt to changes in the track environment brought about by different rainfall

Method used

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  • Wet-skid-resistant rubber composition as well as mixing method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A racing tire tread rubber composition used on wet and slippery tracks, comprising medium styrene high vinyl solution polystyrene butadiene rubber 137.5phr (oil-extended 37.5phr, styrene content 25-30%) by weight , the vinyl group accounts for 50-60% of the total amount of butadiene, and the weight-average molecular weight is 100×10 4 ~150×10 4 ), fine-grained high-structure carbon black 30phr (nitrogen adsorption specific surface area is 180-200m 2 / g, iodine absorption value is 190~215mg / g), highly dispersed high specific surface silica 60phr (nitrogen adsorption specific surface area is 200~230m 2 / g, precipitation method silica, 200MP), high dispersion low specific surface silica 60phr (nitrogen adsorption specific surface area is 100~130m 2 / g, precipitated silica, 1115MP), RAE oil 70phr, hydrogenated DCPD / C9 resin 10phr (PR383, softening point 100°C), silane coupling agent 5.0phr (Si69), zinc oxide 3.0phr, stearic acid 2.0 phr, anti-aging agent 6PPD 3.0phr, ant...

Embodiment 2

[0040] A racing tire tread rubber composition used on a wet track, differs from Example 1 as follows: medium styrene high vinyl solution polystyrene butadiene rubber 137.5phr (oil-extended 37.5phr), fine particle diameter high Structural carbon black 60phr, high dispersion high specific surface silica 60phr, high dispersion low specific surface silica 30phr, RAE oil 60phr, α-methyl styrene monomer resin 15phr (SYLVATRAXX4401, softening point 85°C), silane coupling Joint agent 3.6phr, zinc oxide 3.0phr, stearic acid 2.0phr, antioxidant 6PPD 3.0phr, antioxidant RD 1.5phr, microcrystalline wax 1.5phr, sulfur 1.8phr, accelerator CZ 3.0phr, accelerator DM 1.0phr.

Embodiment 3

[0042] A racing tire tread rubber composition used on a wet track, differs from Example 1 as follows: medium styrene high vinyl solution polystyrene butadiene rubber 137.5phr (oil-extended 37.5phr), fine particle diameter high Structural carbon black 60phr, high dispersion high specific surface silica 30phr, high dispersion low specific surface silica 60phr, RAE oil 55phr, α-methylstyrene monomer resin 20phr (SYLVATRAXX4401, softening point 85°C), silane Joint agent 4.0phr (Si75), zinc oxide 3.0phr, stearic acid 2.0phr, antioxidant 6PPD 3.0phr, antioxidant RD 1.5phr, microcrystalline wax 1.5phr, sulfur 1.8phr, accelerator CZ 3.0phr, accelerator DM 1.0phr.

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Abstract

The invention provides a wet-skid-resistant rubber composition as well as a mixing method and application thereof. The wet-skid-resistant rubber composition is prepared from the following components in parts by weight: 137.5 parts of oil-extended solution polymerized styrene-butadiene rubber, 30-60 parts of carbon black, 30-60 parts of white carbon black with a high specific surface area, 30-60 parts of white carbon black with a low specific surface area, 2-6 parts of a silane coupling agent, 40-90 parts of environment-friendly oil, 5-20 parts of functional resin, 2-5 parts of zinc oxide, 1-3 parts of stearic acid, 4-9 parts of an anti-aging agent, 1-2.5 parts of sulfur and 2-5 parts of an accelerant. Through special design of a formula system in the invention, the wet-skid-resistant rubber composition is used for tire tread rubber used for wet slippery racing tracks, so tires are allowed to have excellent gripping performance in different rainy-day racing track environments such as wet pavements and waterlogged pavements, and an effective solution is provided for coping with the varied rainy-day racing track environments in automobile racing competitions.

Description

technical field [0001] The invention relates to the technical field of automobile tire materials, in particular to an anti-wet skid rubber composition, a mixing method and application thereof. Background technique [0002] Motor racing is a sport that emerged in the 1930s. After decades of development, motorsports has developed into a vigorous sports industry. At present, hundreds of countries and billions of people in the world watch auto races every year through live, TV, and the Internet. Motorsports can be divided into drifting, rallying, racing, etc. Among them, racing events have the largest audience and are the most popular. Racing events are a kind of field races, that is, competitions on a prescribed track. In sunny weather and on dry tracks, slick tires are usually used to meet the grip performance requirements of the tires under the limit state of the vehicle; on wet and slippery tracks in rainy weather, it is required to replace patterned tires—rain tires to e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08L91/00C08K13/04C08K7/26C08K3/04C08K3/22C08K5/09B29B7/74
CPCC08L9/06B29B7/7466C08K2201/014C08K2201/006C08K2003/2296C08L91/00C08K13/04C08K7/26C08K3/04C08K3/22C08K5/09Y02T10/86
Inventor 闫平马浩源史维江李志飞任衍峰
Owner SAILUN GRP CO LTD
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