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Acrylate rubber sizing material for high performance requirements

A technology of acrylate and rubber compound, applied in the field of rubber compound, can solve the problem that the comprehensive performance is not very good, etc.

Inactive Publication Date: 2008-07-30
天津海程工贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the rubber compound obtained by this kind of acrylate and vulcanization system is not very good in comprehensive performance.

Method used

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  • Acrylate rubber sizing material for high performance requirements

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Embodiment Construction

[0023] Acrylate rubber with active chlorine that introduces epoxy genes is selected, and thiocyanate (TCY) is used as the vulcanization system. Appropriately add ether fat plasticizer and other materials to obtain a compound with good comprehensive performance and low temperature resistance.

[0024] Specific ingredients one:

[0025] Acrylate rubber AR5160 100 parts

[0026] Carbon black N330 60 parts

[0027] Stearic acid 1.0 parts

[0028] Ether adipate TP-95 8 parts

[0029] Fatty acid ester WB-212 2.0 parts

[0030] N-trichloromethylthio-N-phenylsulfamide E / C 0.1 parts

[0031] Dialkylated diphenylamine 445 2.0 parts

[0032] Tripolythiocyanate TYC 1.0 parts

[0033] 1.5 parts of zinc dibutyldithiocarbamate BZ;

[0034] Specific ingredients two:

[0035] Acrylate rubber AR5160 100 parts

[0036] Carbon black N330 90 parts

[0037] Stearic acid 2.0 parts

[0038] Adipate ether ester TP-95 14 parts

[0039] Fatty acid ester WB-212 2.5 parts

[0040] N-trichlor...

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Abstract

The invention relates to sizing material used for the acrylic acid ester rubber with high performance requirement. The acrylic acid ester rubber of active chlorine introduced from epoxy gene is chosen, and trimerization thiocyanic acid TCY is adopted as a vulcanizing system; the invention comprises concrete ingredients as follows: 100 parts of AR5160, 60-90 parts of carbon black N330, 1.0-2.0 parts of stearic acid, 8-14 parts of plasticizer, 2.0-2.5 parts of WB-212, 0.1-0.3 part of anti-scorching agent E / C, 2.0-3.0 parts of antioxidant, 1.0-1.5 parts of curing agent TYC, and 1.5-2.5 parts of accelerator BZ; glass with Mooney viscosity of ML1+4 50 is adopted to be vulcanized and transformed into -25 DEG C acrylic acid ester rubber for matching, so as to ensure that the brittleness intensity reaches above -45 DEG C. The sizing material of the acrylic acid ester rubber with high performance requirement is obtained. The sizing material has the advantages that the comprehensive physical property is good, and simultaneously the brittleness temperature is lower. The invention meets the requirement of the vehicle industry to the sealing material, and the technical level achieves the domestic advanced level. The invention is suitable for the ranges of vehicle engine, crank oil seal, gear shifting box oil seal, and heat resistant, oil proof and cold resistant rubber hose, and protecting sleeve, etc.

Description

technical field [0001] The invention belongs to rubber compounds, and in particular relates to the preparation of an acrylic rubber compound for high-performance requirements of oil seals and sealing rings required for high-end automobiles. Background technique [0002] Acrylate rubber is a synthetic rubber with excellent heat resistance, oil resistance and weather resistance mainly composed of alkyl acrylate. Especially in terms of heat resistance, since the use temperature is at the level of 150 ° C to 175 ° C, the heat resistance level is second only to fluorine rubber and silicone rubber. And because of its durability against engine oil, gear oil, etc. is quite good. Therefore, it is widely used in various seals, gaskets, hoses and other functional products mainly in the fields of automobiles, aircrafts and aerospace. [0003] Since Goodrich Chemical Company developed acrylate rubber in 1948 and put the first product (Hycar4021) on the market, many technical improvemen...

Claims

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Application Information

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IPC IPC(8): C08L33/08C08K5/39C08K3/04C08K5/09C08K5/10C08K5/18
Inventor 谢耀钧
Owner 天津海程工贸有限公司
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