Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring

A technology of polyacrylate and rubber compound, which is applied in the field of chlorohydrin rubber and polyacrylate rubber compound seal ring, can solve the problems of poor cold resistance and water resistance, achieve high tensile strength, simple preparation method, Excellent effect of high temperature and low temperature resistance

Inactive Publication Date: 2013-10-23
CGP WUHU SEALING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Polyacrylate rubber has poor cold resistance and water resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] An oil-resistant and anti-aging chlorohydrin rubber and polyacrylate rubber compound rubber sealing ring, which is made of the following raw materials by weight:

[0014] Chlorohydrin rubber 60, polyacrylate rubber 30, shellac lacquer sheet 10, sulfur powder 1.5, high wear-resistant carbon black 4, diatomaceous earth 4, china clay 3, light calcium carbonate 30, chlorinated paraffin 35, epoxy flax Seed Oil 10, Microcrystalline Wax 1, Epoxidized Soybean Oil 3, Carnauba Wax 3, Magnesium Oxide 6, Stearic Acid 1, Cashew Nut Shell Oil 3, Zinc Borate 10, High Density Polyethylene 10, Adipate 7, Engine oil 9, accelerator M 1, accelerator DM 1, accelerator TMTD 0.5, antioxidant RD 1, antioxidant NBC 0.1.

[0015] During preparation, the rubber is firstly synthesized by an internal mixer, and then the synthetic rubber is formed through an open mixer, and then after secondary vulcanization, the secondary vulcanized rubber sealing ring is trimmed to obtain it.

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PUM

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Abstract

The invention discloses an oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring which is prepared by carrying out banburying, open refining and secondary vulcanization on the raw materials of chlorhydrin rubber, polyacrylate rubber, shellac, and the like. The sealing ring provided in the invention has the advantages of oil resistance, aging resistance, excellent high temperature resistance and low temperature resistance, high tensile strength and a simple preparation method.

Description

technical field [0001] The invention relates to the field of sealing ring materials, in particular to an oil-resistant and anti-aging chlorohydrin rubber and polyacrylate rubber mixed rubber sealing ring. Background technique [0002] Chlorohydrin rubber is a synthetic rubber obtained by ring-opening polymerization of epichlorohydrin or ring-opening copolymerization of epichlorohydrin and ethylene oxide. The former is called homopolymeric chlorohydrin rubber, and the latter is called copolymerized chlorohydrin rubber. Chlorohydrin rubber is a special rubber with oil resistance, heat resistance and low air permeability. The oil resistance of homopolymeric chlorohydrin rubber, especially the resistance to halogenated alkane, is better than that of nitrile rubber; the heat resistance is between nitrile rubber and acrylate rubber, short-term heat resistance 150 ° C, long-term heat resistance 100 ° C; lower than butyl rubber. Although the low-temperature flexibility of the cop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L71/03C08L33/08C08L93/02C08L23/06C08L91/06C08K13/02C08K3/06C08K3/04C08K3/34C08K3/26C08K5/1515C08K3/22C08K5/098C08K3/38C08K5/11
Inventor 邵仁杰王建平
Owner CGP WUHU SEALING
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