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Fluororubber and epichlorophdrin rubber formula

A chloroether rubber and fluororubber technology, applied in the field of fluororubber and chloroether rubber formulation, can solve problems such as poor ozone resistance and fuel penetration requirements of fuel hoses

Active Publication Date: 2009-08-26
TIANJIN PENGYI GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is mainly to solve the problems of existing rubber hoses in terms of high temperature resistance, heat oil resistance, ozone resistance, and the requirements of fuel oil hoses for fuel penetration.

Method used

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  • Fluororubber and epichlorophdrin rubber formula
  • Fluororubber and epichlorophdrin rubber formula
  • Fluororubber and epichlorophdrin rubber formula

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Experimental program
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Effect test

Embodiment approach

[0016] The content is calculated as a percentage by weight

[0017]

[0018] Implementation of the middle and outer layers of chloroether:

[0019] The content is calculated as a percentage by weight

[0020]

[0021] The following is a comparison of the performance of the inner layer of fluorine rubber and nitrile rubber.

[0022] Serial number Test conditions Internal technical requirements Measured value of fluorine rubber Measured value of nitrile 1 Hardness Shore A 1.1 Availability 80±5 78 77 1.2 After heat-resistant storage 70h / 135℃ 0~+6 +4 fracture

[0023] 1.3 After storage of fuel-resistant FAM2, 168h / 23℃ 0~-12 -8 -18 1.4 The fuel-resistant FAM2 is dried immediately after storage for 22h / 150℃ 0~+6 +2 +10 1.5 After storage of rapeseed oil methyl ester 94h / 100℃ ±6 +4 +10 504h / 100℃ ±10 +3 +14 1.6 Resistant to rapeseed oil methyl ester storage, press and dry 22h / 80℃ ...

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Abstract

The invention relates to a formula of fluorine rubber and epichlorohydrin rubber. The components of the inner layer of fluorine rubber include fluorine rubber, thermal black N990, 2,5-dimethyl-2,5-dihexane, triallyl cyanurate, carnauba wax; the middle layer and the outer layer The components of the layer epichloride rubber include epichloride rubber C, epichloride rubber H, quick extruded carbon black N550, anti-aging agent NBC, processing aid R-300, stearic acid, plasticizer RS-107, trioxide Lead, ethylenethiourea NA-22, plasticizer W-305ELS, anti-scorch agent CTP-80. By adopting the rubber hose whose inner layer is fluorine rubber and outer layer is chloroether rubber, the problems of high temperature resistance, heat oil resistance, ozone resistance, and fuel oil permeation requirements of the fuel hose are improved.

Description

Technical field [0001] The invention relates to a rubber technical formula, in particular to a fluorine rubber and chloroether rubber formula. Background technique [0002] The fuel hose system for automobiles in my country generally uses nitrile rubber / skeleton layer / chloroprene rubber. This material has excellent oil resistance, aging resistance and abrasion resistance, low air permeability and high condensation power, but it has poor ozone resistance. Although nitrile rubber can be used continuously at 120°C and has excellent oil resistance and low price, the fuel hose must be in long-term contact with various oils during use. The oil can penetrate into the rubber to cause swelling and produce The molecules diffuse each other, which in turn changes the network structure of the vulcanized rubber, which reduces the strength and other mechanical properties of the rubber. With the development of the automotive industry and the increasing awareness of environmental protection, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/12C08L101/06C08K5/405B32B27/00C08K3/04C08L91/06C08K5/09C08K5/29
Inventor 张洪起张学震孙佩祝李风海
Owner TIANJIN PENGYI GRP CO LTD
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