a rubber material

A technology of rubber materials and natural rubber, which is applied in the field of rubber materials, can solve the problems of being difficult to meet the technical requirements of automobiles, natural rubber materials are not resistant to high temperature thermal oxygen aging, ozone resistance, poor weather resistance, etc., and achieve the ability of anti-vulcanization and reversion , Improving the ability of high temperature thermal oxygen aging resistance and prolonging the service life

Active Publication Date: 2021-02-12
建新赵氏科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the characteristics of natural rubber materials that are not resistant to high temperature thermal oxygen aging, ozone resistance and weather resistance, it is difficult to meet the continuously improving technical requirements of the automotive industry

Method used

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  • a rubber material
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Embodiment Construction

[0019] The following specific embodiments further illustrate the present invention.

[0020] A rubber material, comprising 70 parts of natural rubber, 30 parts of polyurethane rubber, 0.5-1.5 parts of sulfur, 1-2.5 parts of vulcanization aid, 5-10 parts of anti-aging agent, 4-10 parts of zinc oxide, and 4-8 parts of white carbon black 10-30 parts of carbon black, 4-8 parts of softener. Natural rubber and polyurethane rubber (E6008) are used together, polyester and polyether are mixed into the molecular chain of isoprene rubber as a flexible segment of rubber, and sulfur vulcanization system is used to improve the resistance of natural rubber to heat and oxygen (high temperature) ) aging, ozone aging resistance purpose.

[0021] As preferably, the vulcanization aid adopts 2-mercaptobenzothiazole, dibenzothiazole disulfide, N-cyclohexyl-2-benzothiazole sulfenamide, tetramethylthiuram disulfide, disulfide disulfide One or more of 1,5-pentylidene thiurams.

[0022] The anti-agi...

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Abstract

The invention discloses a rubber material. The raw materials include: 70 parts by weight of natural rubber, 30 parts by weight of polyurethane rubber (E6008), 0.5 to 1.5 parts by weight of sulfur, 1 to 2.5 parts by weight of vulcanization aid, and 5 to 5 parts by weight of anti-aging agent. 10 parts by weight, 4 to 10 parts by weight of zinc oxide, 4 to 8 parts by weight of white carbon black, 10 to 30 parts by weight of carbon black, and 4 to 8 parts by weight of softener; Rubber (E6008) is used together, a rubber material in which polyester and polyether are mixed into the molecular chain of isoprene rubber as a flexible segment of rubber.

Description

technical field [0001] The invention relates to the field of rubber materials, more specifically, it relates to a rubber material. Background technique [0002] The automotive industry has continuously improved the heat and oxygen aging resistance requirements of natural rubber shock absorbers, especially automotive engine gearbox support products, which are required to withstand high-intensity thermal oxygen aging in ultra-high temperature and ultra-long-term environments. The automotive engine gearbox support products The service life of dynamic fatigue has been increased from 100,000 times to more than 180,000 times in order to meet the development needs of the automotive industry for high-temperature thermal-oxidative aging dynamic fatigue performance. [0003] Due to the characteristics of natural rubber materials that are not resistant to high temperature thermal oxygen aging, ozone resistance and weather resistance, it is difficult to meet the continuously improving t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L7/00C08L75/04C08K3/06C08K3/22C08K3/36C08K3/04
CPCC08K2003/2296C08L7/00C08L2201/08C08L75/04C08K3/06C08K3/22C08K3/36C08K3/04
Inventor 胡旻晓胡海勤李恒荣汪海峰汪挺
Owner 建新赵氏科技股份有限公司
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