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Wear-resistant ethylene propylene diene monomer and preparation method thereof

A technology of EPDM rubber and rubber oil, applied in the field of EPDM rubber, can solve the problems of poor wear resistance of rubber materials, meet the needs of high wear resistance, good crosslinking density, and improve wear resistance. Effect

Pending Publication Date: 2021-06-18
深圳市鑫华煦橡胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] EPDM (Ethylene Propylene Diene Monomer) is a copolymer of ethylene, propylene and a small amount of non-conjugated diene. It is a kind of ethylene propylene rubber. Composition, only contains unsaturated double bonds in the side chain, so it has excellent aging resistance such as ozone resistance, heat resistance, and weather resistance, and can be widely used in automotive parts, waterproof materials for construction, wire and cable sheaths, heat-resistant hoses, tapes , automotive seals and other fields, but in the existing EPDM formula, the rubber material has poor wear resistance, and the application has limitations

Method used

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Examples

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Embodiment Construction

[0017] In order to more clearly illustrate the purpose, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described below in conjunction with the embodiments, and a clear and complete description will be made. Obviously, the described embodiments are part of the embodiments of the present invention. rather than all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] Embodiment of the present invention, a wear-resistant EPDM rubber, its preparation steps are as follows,

[0019] S1, banbury EPDM raw rubber for 90 seconds, use KEP-350 EPDM rubber to prepare, weigh 25kg and banbury for 90 seconds, and banbury can be carried out with a banbury mixer;

[0020] S2, add 0.25kg of octadecyltrimethylammonium chloride (STAC), 1.5kg of polytetra...

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Abstract

The invention relates to a wear-resistant ethylene propylene diene monomer, which comprises the following components in percentage by weight: 47%-50% of raw ethylene propylene diene monomer raw rubber, 0.4%-0.6% of octadecyl trimethyl ammonium chloride, 2.7%-3.2% of polytetrafluoroethylene, 0.4%-0.6% of aramid fiber, 0.4%-0.6% of octylated diphenylamine, 18%-23% of N550 carbon black, 10%-15% of N220 carbon black, 2.2%-2.6% of zinc oxide, 7%-8.5% of rubber oil and 3%-4.5% of talcum powder, and further comprises the following components by weight: 9.2-10 g / kg of triallyl isocyanurate and 15-20 g / kg of dicumyl peroxide. The invention also discloses a preparation method of the wear-resistant ethylene-propylene-diene monomer. The wear resistance of the ethylene propylene diene monomer is improved.

Description

technical field [0001] The invention relates to EPDM rubber, in particular to a wear-resistant EPDM rubber and a preparation method thereof. Background technique [0002] EPDM (Ethylene Propylene Diene Monomer) is a copolymer of ethylene, propylene and a small amount of non-conjugated diene. It is a kind of ethylene propylene rubber. Composition, only contains unsaturated double bonds in the side chain, so it has excellent aging resistance such as ozone resistance, heat resistance, and weather resistance, and can be widely used in automotive parts, waterproof materials for construction, wire and cable sheaths, heat-resistant hoses, tapes , automotive seals and other fields, but in the existing EPDM formula, the rubber material has poor wear resistance, and its application is limited. Contents of the invention [0003] Aiming at the existing deficiencies, the invention provides a wear-resistant EPDM rubber and a preparation method thereof. [0004] The technical scheme ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L27/18C08L77/10C08K13/02C08K5/19C08K5/18C08K3/04C08K3/22C08K3/34C08K5/3492C08K5/14
CPCC08L23/16C08L2205/035C08K2201/014C08K2003/2296C08L2203/18C08L27/18C08L77/10C08K13/02C08K5/19C08K5/18C08K3/04C08K3/22C08K3/34C08K5/34924C08K5/14
Inventor 凌举高
Owner 深圳市鑫华煦橡胶制品有限公司
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