Acrylic rubber composition

Details Acrylic rubber composition Acrylic rubber composition

1996-11-04

2000-08-22

Reddick, Judy M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524115, 524147, 524151, C08K 551

Patent

active

061073768

ABSTRACT:
An acrylic rubber composition which forms a phosphorous inert coating on the surface of a metal member when in contact with the metal member under high temperature contains the acrylic rubber, a phosphite-based material and an acid acceptor which reacts with an acid substance in the composition. The acrylic rubber composition particularly exhibits its effect when used as a sealing member 10 for an oil filter 1 which filters engine oil. In such cases, the content of the phosphite-based material is preferably 8-20 parts by weight and that of the acid acceptor is preferably 1-10 parts by weight to 100 parts by weight of the acrylic rubber.

REFERENCES:
patent: 4727104 (1988-02-01), Wehner et al.
patent: 4824905 (1989-04-01), Saeki et al.
patent: 5362592 (1994-11-01), Murofushi et al.
Derwent Publications Ltd., London, GB; AN 94-222112 & JP-A-06 157 826 (Nippon Gosei Gomu) *Abstract*.
Derwent Publications Ltd., London, GB; An 96-124197 & JP-A-08 020 702 (Gomu No Inaki, Nippondenso) *Abstract*.

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