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Anti-cracking automobile sealing ring

A technology for sealing rings and automobiles, applied in the field of automotive sealing rings, can solve the problems of poor crack resistance and easy oil/liquid leakage, etc., and achieve the effects of improved crack resistance, good rebound performance, and increased service life

Inactive Publication Date: 2020-05-01
十堰欧美密封件进出口有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Automotive sealing rings are parts used for sealing in automobiles. They are mainly made of elastomers and are generally made of rubber. Traditional automotive sealing rings have poor crack resistance and are prone to oil / liquid leakage, especially at low temperatures or Especially in high temperature areas, therefore, an improved technology is urgently needed to solve this problem in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0018] A kind of anti-cracking automobile sealing ring, its preparation method comprises the following steps:

[0019] Step 1: Put nitrile rubber, magnesium oxide, white carbon black, talc powder, wollastonite powder, bamboo charcoal fiber, polyoxypropylene glyceryl ether, calcium carbonate, sulfur, titanium dioxide, and vulcanizing agent into the internal mixer according to the proportion for mixing Refining, last 0.5-1h;

[0020] Step 2: Put the accelerator and anti-aging agent into the internal mixer in step 1 and fully mix with the mixture to obtain the mixture;

[0021] Step 3: Introduce the mixture into the mold, set the temperature at 170-180°C, demould and cool after molding, and obtain the automobile sealing ring.

Embodiment 1

[0023] A crack-proof automobile sealing ring, which is prepared by mass parts from the following raw materials: 70 parts of nitrile rubber, 2 parts of magnesium oxide, 7 parts of white carbon black, 6 parts of talcum powder, 8 parts of wollastonite powder, and 3 parts of bamboo charcoal fiber 5 parts, 5 parts of polyoxypropylene glyceryl ether, 5 parts of calcium carbonate, 1 part of sulfur, 1 part of titanium dioxide, 2 parts of vulcanizing agent, 1 part of accelerator, 2 parts of anti-aging agent.

[0024] A kind of anti-cracking automobile sealing ring, its preparation method comprises the following steps:

[0025] Step 1: Put nitrile rubber, magnesium oxide, white carbon black, talc powder, wollastonite powder, bamboo charcoal fiber, polyoxypropylene glyceryl ether, calcium carbonate, sulfur, titanium dioxide, and vulcanizing agent into the internal mixer according to the proportion for mixing Refining, last for 1h;

[0026] Step 2: Put the accelerator and anti-aging agen...

Embodiment 2

[0030] A crack-proof automobile sealing ring, which is prepared by mass parts from the following raw materials: 75 parts of nitrile rubber, 3 parts of magnesium oxide, 8 parts of white carbon black, 6 parts of talcum powder, 9 parts of wollastonite powder, and 4 parts of bamboo charcoal fiber , 6 parts of polyoxypropylene glyceryl ether, 6 parts of calcium carbonate, 1 part of sulfur, 1 part of titanium dioxide, 2 parts of vulcanizing agent, 1 part of accelerator, 2 parts of anti-aging agent.

[0031] A kind of anti-cracking automobile sealing ring, its preparation method comprises the following steps:

[0032] Step 1: Put nitrile rubber, magnesium oxide, white carbon black, talc powder, wollastonite powder, bamboo charcoal fiber, polyoxypropylene glyceryl ether, calcium carbonate, sulfur, titanium dioxide, and vulcanizing agent into the internal mixer according to the proportion for mixing Refining, last for 1h;

[0033] Step 2: Put the accelerator and anti-aging agent into ...

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PUM

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Abstract

The invention discloses an anti-cracking automobile sealing ring, which is prepared from the following raw materials in parts by mass. 70-90 parts of nitrile rubber, 2-4 parts of magnesium oxide, 7-13 parts of white carbon black, 6-8 parts of talcum powder, 8-14 parts of wollastonite powder, 3-6 parts of bamboo charcoal fiber, 5-10 parts of polyoxypropylene glycerol ether, 5-8 parts of calcium carbonate, 1-2 parts of sulfur, 1-2 parts of titanium dioxide, 2-4 parts of vulcanizing agent, 1-2 parts of accelerant and 2-4 parts of anti-aging agent. According to the automobile sealing ring, underthe conditions of low temperature, normal temperature and high temperature, the anti-cracking performance is greatly improved compared with a traditional automobile sealing ring, the automobile sealing ring has good rebound resilience, and the service life is greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of automobile sealing rings, in particular to a crack-proof automobile sealing ring. Background technique [0002] Automotive sealing rings are parts used for sealing in automobiles. They are mainly made of elastomers and are generally made of rubber. Traditional automotive sealing rings have poor crack resistance and are prone to oil / liquid leakage, especially at low temperatures or Especially in high temperature areas, therefore, an improved technology is urgently needed to solve this problem in the prior art. Contents of the invention [0003] The object of the present invention is to provide a crack-proof automobile sealing ring to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical solutions: a crack-proof automobile sealing ring, which is prepared in parts by mass from the follow...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L71/02C08K13/04C08K7/06C08K3/22C08K7/26C08K3/34C08K3/26C08K3/06
CPCC08K2003/222C08K2003/2241C08K2003/265C08K2201/011C08K2201/014C08L9/02C08L71/02C08K13/04C08K7/06C08K3/22C08K7/26C08K3/34C08K3/26C08K3/06
Inventor 邓小丽
Owner 十堰欧美密封件进出口有限公司