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Automobile braking leather cup rubber

A technology of automobile brakes and leather cups, which is applied in the field of auto parts, can solve the problems of aging resistance, poor fatigue resistance, short service life and high cost, and achieve the effects of excellent low temperature resistance, long service life and small compression permanent deformation

Inactive Publication Date: 2014-11-26
NINGGUO ZHONGCHEN SEALING PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a kind of automobile brake cup rubber to overcome the defects of the prior art such as poor aging resistance, fatigue resistance, easy wear, short service life and high cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An automobile brake cup rubber, comprising the following raw materials in parts by weight: 48 parts of EPDM rubber, 52 parts of nitrile rubber, 16 parts of high wear-resistant carbon black, 16 parts of high-reinforcing carbon black, and 16 parts of zinc oxide , 2 parts of zinc stearate, 2 parts of anti-aging agent, 2 parts of vulcanizing agent, 2 parts of co-crosslinking agent, 2 parts of plasticizer.

[0018] The production method of the present invention: adopt prior art production technological process, according to described weight, with EPDM rubber, nitrile rubber, high wear-resistant carbon black, high reinforcing carbon black, zinc oxide, stearic acid Zinc, anti-aging agent, co-crosslinking agent and polyisobutylene, mix evenly for the first mixing; then add vulcanizing agent, carry out the second mixing, vulcanization is enough, the curing system adopts peroxide / trimethylolpropane Trimethacrylate curing system.

Embodiment 2

[0020] An automobile brake cup rubber, comprising the following raw materials in parts by weight: 50 parts of EPDM rubber, 50 parts of nitrile rubber, 18 parts of high wear-resistant carbon black, 18 parts of high-reinforcing carbon black, and 18 parts of zinc oxide , 3 parts of zinc stearate, 3 parts of anti-aging agent, 3 parts of vulcanizing agent, 3 parts of co-crosslinking agent, 1 part of plasticizer.

[0021] The production method of the present invention: adopt the prior art production process, according to the weight parts, EPDM rubber, nitrile rubber, high wear-resistant carbon black, high reinforcing carbon black, zinc oxide, stearic acid Zinc, anti-aging agent, co-crosslinking agent and polyisobutylene, mix evenly for the first mixing; then add vulcanizing agent, carry out the second mixing, vulcanization is enough, the curing system adopts peroxide / trimethylolpropane Trimethacrylate curing system.

Embodiment 3

[0023] A kind of automobile brake cup rubber, is characterized in that, comprises the raw material of following weight portion: EPDM rubber 55 parts, nitrile rubber 45 parts, high abrasion-resistant carbon black 15 parts, high reinforcement carbon black 15 parts, 15 parts of zinc oxide, 1 part of zinc stearate, 1 part of anti-aging agent, 1 part of vulcanizing agent, 1 part of auxiliary crosslinking agent, and 1 part of polyisobutylene.

[0024] The production method of the present invention: adopt the prior art production process, according to the weight parts, EPDM rubber, nitrile rubber, high wear-resistant carbon black, high reinforcing carbon black, zinc oxide, stearic acid Zinc, anti-aging agent, co-crosslinking agent and polyisobutylene, mix evenly for the first mixing; then add vulcanizing agent, carry out the second mixing, vulcanization is enough, the curing system adopts peroxide / trimethylolpropane Trimethacrylate curing system.

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PUM

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Abstract

The invention relates to the technical field of automobile accessories, and discloses automobile braking leather cup rubber, which comprises the following raw materials by weight: 45-55 parts of ethylene-propylene-diene monomer, 45-55 parts of butyronitrile rubber, 15-20 parts of high abrasion carbon black, 15-20 parts of high reinforcing carbon black, 15-20 parts of zinc oxide, 1-5 parts of stearate zinc, 1-5 parts of an antioxidant, 1-5 parts of a curing agent, 1-5 parts of a cross-linking assistant agent and 1-3 parts of a plasticizer. Through simultaneous use of the ethylene-propylene-diene monomer and the butyronitrile rubber, he product low temperature resistance and high temperature resistance are excellent, sealing performance at minus 52 DEG C is good, and oil resistance and cold resistance are good; by simultaneous use of the high reinforcing carbon black and the high abrasion carbon black of the rubber reinforcement system, compression permanent deformation is small, abrasion resistance is good, and service life is long; by use of a peroxide / trimethylolpropane trimethylacrylate vulcanization system, rubber tensile strength is high, rebound elasticity is excellent, and compression permanent deformation is small.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to an automobile brake cup rubber. Background technique [0002] The automobile brake cup is an important rubber part of the vehicle braking system, which acts as a sealing brake. When the traditional rubber cup is used in the cold winter climate in northern my country, due to its poor cold resistance, vehicle brake failures have occurred many times. [0003] Chinese patent 201210531082.3 discloses a kind of automobile brake cup rubber, which is characterized in that it is made of the following raw materials in parts by weight: nitrile rubber 35-45, chlorosulfonated polyethylene rubber 15-25, EPDM rubber 596 (2 Germany Lanxess) 25-35, fluorine rubber 10-15, natural rubber 3-5, high wear-resistant carbon black N330 20-30, modified silica 10-15, graphite 3-4, modified tree ash 8-10, lithopone 4-6, quartz sand 4-6, modified iron tailings slag powder 9-11, stearic acid 0.5-1, sulfur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L9/02C08K13/02C08K3/04C08K3/22C08K5/098
CPCC08L23/16C08K2201/014C08L9/02C08L2201/08C08L2205/03C08L2312/00
Inventor 储春辉
Owner NINGGUO ZHONGCHEN SEALING PARTS
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