Fluororubber seal gasket used for engines

A sealing gasket and fluororubber technology, applied in the field of fluororubber, can solve the problems of fluororubber toughness, high temperature resistance and wear resistance that cannot meet the needs, and achieve excellent mechanical properties and high temperature resistance, high temperature resistance and wear resistance, good compatibility

Inactive Publication Date: 2016-03-23
ANHUI JINYANG FLUORINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Engine sealing gaskets are mainly used to prevent material leakage, and can be made of metal materials, plastics, fabrics, etc., but more and more rubber materials are used at present. Compared with other rubbers, fluororubber has excellent oil resistance and

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A fluororubber sealing gasket for an engine, its raw materials include by weight: 20 parts of binary fluororubber, 35 parts of modified fluororubber, 1 part of amide grafted ethylene vinyl acetate copolymer, 1.5 parts of dicumyl peroxide Parts, 1 part of benzothiazole disulfide, 1.8 parts of dibutyltin dilaurate, 0.5 parts of zinc oxide, 2.5 parts of fluorinated polyamide, 1 part of nano sepiolite, 1.9 parts of hexafluoroisopropylidene diphenol, polylidene 1 part of phosphoric acid, 2 parts of chelating titanate coupling agent, 20 parts of bentonite, 15 parts of barium sulfate, 20 parts of lignin, 10 parts of calcium titanate, 2 parts of cyclodextrin, 3 parts of sodium stearate, palm 1 part wax, 3 parts fatty alcohol.

Embodiment 2

[0017] A fluororubber sealing gasket for an engine, its raw materials include by weight: 50 parts of binary fluororubber, 15 parts of modified fluororubber, 5 parts of amide grafted ethylene vinyl acetate copolymer, 0.5 parts of dicumyl peroxide Parts, 4 parts of benzothiazole disulfide, 1 part of dibutyltin dilaurate, 1.5 parts of zinc oxide, 0.5 parts of fluorinated polyamide, 2 parts of nano sepiolite, 1.2 parts of hexafluoroisopropylidene diphenol, polylidene 2 parts of phosphoric acid, 1 part of chelating titanate coupling agent, 50 parts of bentonite, 8 parts of barium sulfate, 40 parts of lignin, 2 parts of calcium titanate, 6 parts of cyclodextrin, 1 part of sodium stearate, palm 3 parts of wax, 1 part of fatty alcohol.

Embodiment 3

[0019] A fluororubber sealing gasket for an engine, its raw materials include by weight: 40 parts of binary fluororubber, 26 parts of modified fluororubber, 2 parts of amide grafted ethylene vinyl acetate copolymer, 1.3 parts of dicumyl peroxide 2 parts, 2 parts of benzothiazole disulfide, 1.5 parts of dibutyltin dilaurate, 0.8 parts of zinc oxide, 1.6 parts of fluorinated polyamide, 1.5 parts of nano sepiolite, 1.7 parts of hexafluoroisopropylidene diphenol, polylidene 1.5 parts of phosphoric acid, 1.6 parts of chelating titanate coupling agent, 40 parts of bentonite, 13 parts of barium sulfate, 30 parts of lignin, 8 parts of calcium titanate, 3 parts of cyclodextrin, 2.5 parts of sodium stearate, palm 2 parts wax, 2 parts fatty alcohol.

[0020] During the preparation of the modified fluororubber, 80 parts of water, 60 parts of hexafluoropropylene, 1 part of borax, and 3 parts of ammonium perfluorooctanoate were fed into the reactor in parts by weight, the temperature was ra...

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PUM

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Abstract

The invention discloses a fluororubber seal gasket used for engines. The fluororubber seal gasket comprises the following raw materials in parts by weight: 20-50 parts of binary fluororubber, 15-35 parts of modified fluororubber, 1-5 parts of amide grafted ethylene-vinyl acetate copolymer, 0.5-1.5 parts of dicumyl peroxide, 1-4 parts of benzothiazole disulfide, 1-1.8 parts of dibutyltin dilaurate, 0.5-1.5 parts of zinc oxide, 0.5-2.5 parts of fluorinated polyamide, 1-2 parts of nano sepiolite, 1.2-1.9 parts of (hexafluoroisopropylidene)diphenol, 1-2 parts of polymetaphosphate, 1-2 parts of chelating titanate coupling agent, 20-50 parts of bentonite, 8-15 parts of barium sulfate, 20-40 parts of lignin, 2-10 parts of calcium titanate, 2-6 parts of cyclodextrin, 1-3 parts of sodium stearate, 1-3 parts of palm wax and 1-3 parts of fatty alcohol. The product has good toughness and excellent high temperature and wear resistance.

Description

technical field [0001] The invention relates to the technical field of fluororubber, in particular to a fluororubber sealing gasket for an engine. Background technique [0002] Engine sealing gaskets are mainly used to prevent material leakage, and can be made of metal materials, plastics, fabrics, etc., but more and more rubber materials are used at present. Compared with other rubbers, fluororubber has excellent oil resistance and chemical corrosion resistance. Performance, currently widely used in engine gaskets, but with the improvement of engine performance for a long time, the toughness, high temperature resistance and wear resistance of fluororubber can not meet the demand more and more. Contents of the invention [0003] The invention provides a fluorine rubber sealing gasket for an engine, and the product has good toughness, high temperature resistance and excellent wear resistance. [0004] A kind of fluororubber sealing gasket for engine that the present invent...

Claims

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Application Information

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IPC IPC(8): C08L27/12C08L27/20C08L51/06C08L77/00C08L97/00C08L5/16C08L91/06C08K13/04C08K7/24C08K5/14C08K5/47C08K5/57C08K3/22C08K3/34C08K5/136C08K3/32C08K3/30C08K3/24C08K5/098C08F214/28C08F214/24C08F216/14
Inventor 陈喜
Owner ANHUI JINYANG FLUORINE CHEM
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