Novel anti-aging compound rubber and preparation method thereof

A composite rubber and anti-aging technology, applied in the field of rubber, can solve the problems of short sealing strip size, unstable hardness, poor compression resistance, etc., to reduce plastic flow, reduce rough particles, improve aging resistance and corrosion resistance Effect

Inactive Publication Date: 2016-05-11
ANHUI ZHONGDING SEALING PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the general sealing strip is short in size, easy to age, poor in pressure resistance, and unstable in hardness. How to prepare a new type of anti-aging sealing strip with long size, anti-aging, anti-pressure change, and stable hardness has become an increasingly demanded Technical issues resolved

Method used

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  • Novel anti-aging compound rubber and preparation method thereof

Examples

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Effect test

Embodiment 1

[0018] An anti-aging composite rubber sealing strip, the raw materials of which include by weight: 51 parts of ethylene propylene rubber, 69 parts of quick extruded carbon black, 1 part of zinc oxide by indirect method, 10 parts of anti-aging agent, 1 part of paraffin oil, and 10 parts of lubricant 1 part, 1 part vulcanizing agent, 8 parts accelerator.

[0019] Among them, the anti-aging agent is 2,2,4-trimethyl-1,2-dihydroquinoline polymer, the lubricant is zinc stearate, and the vulcanizing agent is 2,5-dimethyl-2,5-dihydroquinoline polymer. (tert-butylperoxy)hexane, the accelerator is a mixture of triallyl isocyanurate and trifunctional acrylate.

[0020] The preparation method of the anti-aging composite rubber sealing strip described in the present embodiment comprises the following steps:

[0021] S1. Preparation of synthetic rubber: mix the raw materials in proportion and send them into the internal mixer for internal mixing to obtain synthetic rubber 1, wherein the sy...

Embodiment 2

[0025] An anti-aging composite rubber sealing strip, its raw materials include by weight: 199 parts of ethylene-propylene rubber, 11 parts of quick-pressed carbon black, 15 parts of zinc oxide by indirect method, 1 part of anti-aging agent, 15 parts of paraffin oil, and 1 part of lubricant parts, 10 parts of vulcanizing agent, and 1 part of accelerator.

[0026] Among them, the anti-aging agent is 2,2,4-trimethyl-1,2-dihydroquinoline polymer, the lubricant is fatty acid salt, and the vulcanizing agent is 2,5-dimethyl-2,5-di( tert-butyl peroxy) hexane, and the accelerator is triallyl isocyanurate.

[0027] The preparation method of the anti-aging composite rubber sealing strip described in the present embodiment comprises the following steps:

[0028] S1. Preparation of synthetic rubber: mix the raw materials in proportion and send them into the internal mixer for internal mixing to obtain synthetic rubber 1, wherein the synthetic rubber 1 has a hardness of 60±5 degrees, a str...

Embodiment 3

[0032] An anti-aging composite rubber sealing strip, the raw materials of which include by weight: 143 parts of ethylene-propylene rubber, 36 parts of quick-pressed carbon black, 9 parts of zinc oxide by indirect method, 6 parts of anti-aging agent, 8 parts of paraffin oil, and 7 parts of lubricant parts, 6 parts of vulcanizing agent, 5 parts of accelerator.

[0033] Among them, the anti-aging agent is 2-mercaptobenzimidazole zinc salt, the lubricant is zinc stearate, the vulcanizing agent is dicumyl peroxide, and the accelerator is trifunctional acrylate and trimethylolpropane trimethacrylate mixture.

[0034] The preparation method of the anti-aging composite rubber sealing strip described in the present embodiment comprises the following steps:

[0035] S1. Preparation of synthetic rubber: mix the raw materials in proportion and send them into the internal mixer for internal mixing to obtain synthetic rubber 1, wherein the synthetic rubber 1 has a hardness of 60±5 degrees,...

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Abstract

The invention discloses an anti-aging compound rubber sealing strip. The anti-aging compound rubber sealing strip is prepared from, by weight, 50-200 parts of ethylene propylene rubber, 10-70 parts of fast extruding furnace black, 1-15 parts of indirect zinc oxide, 1-10 parts of antiager, 1-15 parts of paraffin oil, 1-10 parts of lubricant, 1-10 parts of vulcanizing agent and 1-8 parts of accelerant. The accelerant is triallyl isocyanurate and/or trifunctional acrylic ester. The invention further discloses a preparation method of the anti-aging compound rubber sealing strip. The anti-aging compound rubber sealing strip has the advantages of being long in service life, resistant to aging and pressure changes and stable in hardness, and the preparation method is simple and easy to operate.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a novel anti-aging composite rubber and a preparation method thereof. Background technique [0002] With the rapid development of the automobile industry and the improvement of people's living standards, more and more car buyers have emerged. People's demand for cars makes the quality of cars the primary selection criterion. The engine of a car is the core, and the cooling system plays a vital role in the engine. The quality of the cooling system directly affects the life of the engine and fuel economy. Therefore, consumers have higher and higher requirements for the engine cooling system. In the cooling system of the automobile engine, the sealing strip for the engine cooling system is used to assemble in the upper water chamber and the lower water chamber of the engine radiator to seal the coolant. In order to ensure that the coolant does not leak, the sealing strip used for the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L91/06C08K13/02C08K3/04C08K3/22C08K5/3492C08K5/103C08K5/14
CPCC08L23/16C08L2201/08
Inventor 夏迎松魏巍方炳虎张海潮俞晨曦王征军王军
Owner ANHUI ZHONGDING SEALING PARTS
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