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Sealing part for automobile heat radiator

A technology for automobile radiators and seals, applied in the field of seals, can solve the problems of high tear resistance and wear resistance of automobile radiators, and achieve good elasticity and permanent compression deformation resistance, good high temperature resistance, fine The effect of well-developed pore structure

Inactive Publication Date: 2017-05-31
安徽亚兰密封件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the classification of materials, it can be divided into nitrile rubber, EPDM rubber, fluororubber, silica gel, fluorosilicone rubber, nylon, polyurethane, engineering plastics, etc., which are currently used in automobile radiators, but automobile radiators are resistant to The requirements for tearing and wear resistance are relatively high, and the existing general rubber sealing surface still meets a large demand, which needs to be solved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The sealing member for an automobile radiator proposed by the present invention comprises, in parts by weight, raw materials: 15 parts of fluororubber, 40 parts of chloroether rubber, 8 parts of chloroprene rubber, 2 parts of dicumyl peroxide, triallyl cyanide 0.2 parts of urate, 2 parts of zinc dimethacrylate, 1 part of methylphenyldiethoxysilane, 2 parts of polydimethylsiloxane, 2 parts of modified bamboo fiber, 15 parts of aluminum borate whiskers, 10 parts of alumina, 6 parts of anthracite, 2 parts of apatite, 12 parts of attapulgite, 1 part of magnesium oxide, 4 parts of chlorinated paraffin, 0.5 parts of magnesium stearate, and 2 parts of dioctyl terephthalate.

Embodiment 2

[0018] The sealing member for an automobile radiator proposed by the present invention includes, in parts by weight, 25 parts of fluororubber, 20 parts of chloroether rubber, 16 parts of chloroprene rubber, 1 part of dicumyl peroxide, and 1 part of triallyl cyanide. 0.6 parts of urate, 1 part of zinc dimethacrylate, 4 parts of methylphenyldiethoxysilane, 1 part of polydimethylsiloxane, 6 parts of modified bamboo fiber, 5 parts of aluminum borate whiskers, 14 parts of alumina, 2 parts of anthracite, 8 parts of apatite, 5 parts of attapulgite, 2 parts of magnesium oxide, 2 parts of chlorinated paraffin, 1.2 parts of magnesium stearate, 1 part of dioctyl terephthalate.

[0019] The modified bamboo fiber is prepared by the following process: the grass powder is put into a sodium hydroxide solution for soaking, filtered, dried, sent to a vacuum box to heat up, kept warm, heated, kept warm, cooled, washed until neutral, and added with a sodium hydroxide solution Stir well, add zinc ...

Embodiment 3

[0021] The sealing member for an automobile radiator proposed by the present invention includes, in parts by weight, raw materials: 18 parts of fluororubber, 35 parts of chloroether rubber, 10 parts of chloroprene rubber, 1.8 parts of dicumyl peroxide, triallyl cyanide 0.3 parts of urate, 1.8 parts of zinc dimethacrylate, 2 parts of methylphenyldiethoxysilane, 1.6 parts of polydimethylsiloxane, 3 parts of modified bamboo fiber, 12 parts of aluminum borate whiskers, 11 parts of alumina, 5 parts of anthracite, 4 parts of apatite, 10 parts of attapulgite, 1.3 parts of magnesium oxide, 3.5 parts of chlorinated paraffin, 0.6 parts of magnesium stearate, and 1.8 parts of dioctyl terephthalate.

[0022] The modified bamboo fiber was prepared by the following process: the grass powder was soaked in sodium hydroxide solution for 20h, filtered, dried, sent to a vacuum box and heated to 900°C, kept at a temperature of 10min, heated to 1400°C, kept at a temperature of 25min, cooled, and wa...

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PUM

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Abstract

The invention discloses a sealing part for an automobile heat radiator. The sealing part is prepared from the following raw materials in parts by weight: 15-25 parts of fluorous rubber, 20-40 parts of epichloro-hydrin rubber, 8-16 parts of chloroprene rubber, 1-2 parts of dicumyl peroxide, 0.2-0.6 part of triallyl isocyanurate, 1-2 parts of zinc dimethacrylate, 1-4 parts of methylphenyldiethoxysilane, 1-2 parts of polydimethylsiloxane, 2-6 parts of modified bamboo fibers, 5-15 parts of aluminum borate whiskers, 10-14 parts of aluminum oxide, 2-6 parts of anthracite coal, 2-8 parts of apatite, 5-12 parts of attapulgite, 1-2 parts of magnesium oxide, 2-4 parts of chlorinated paraffin, 0.5-1.2 parts of magnesium stearate and 1-2 parts of dioctylterephthalate. The sealing part disclosed by the invention has excellent wear resistance and toughness and also has a very good high-temperature-resisting performance; and meanwhile, the sealing part is not easy to age and the service life is long.

Description

technical field [0001] The invention relates to the technical field of seals, in particular to a seal for automobile radiators. Background technique [0002] In recent years, with the rapid economic growth, the rubber and plastic seal manufacturing industry has maintained double-digit growth. The scale of China's rubber and plastic seal manufacturing industry has achieved a total industrial output value of nearly 10 billion, a year-on-year increase of more than 20%. According to the material classification, it is divided into nitrile rubber, EPDM rubber, fluorine rubber, silica gel, fluorosilicone rubber, nylon, polyurethane, engineering plastics, etc. Currently, it has been well used in automobile radiators, but automobile radiators are resistant to resistance. The requirements for tearing and wear resistance are relatively high, and the existing general rubber sealing surface still meets a lot of needs, which needs to be solved urgently. SUMMARY OF THE INVENTION [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/03C08L27/12C08L11/00C08L83/04C08L1/02C08K13/04C08K7/08C08K5/14C08K5/3492C08K5/098C08K3/22C08K3/34
CPCC08L71/03C08L27/12C08L2201/08C08L2205/035C08L2205/16C08L11/00C08L83/04C08L1/02C08K13/04C08K7/08C08K5/14C08K5/34924C08K5/098C08K2003/2227C08K3/34C08K2003/2296
Inventor 黄炳喜杨浩
Owner 安徽亚兰密封件股份有限公司
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