Curable fluoropolyether rubber composition

Details Curable fluoropolyether rubber composition Curable fluoropolyether rubber composition

1996-02-02

1998-11-17

Warzel, Mark L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525102, 525100, C08L 2718, C08L 8305

Patent

active

058377743

ABSTRACT:
Curable fluoropolyether rubber composition: This composition comprises (A) a straight chain fluoropolyether compound having at least two alkenyl groups in its molecule and having a divalent perfluoropolyether structure in its backbone chain, (B) a polytetrafluoroethylene, (C) an organohydrogenpolysiloxane having at least two hydrogen atoms bonded to silicon atoms in its molecule, and (D) a hydrosilylation reaction catalyst. The composition is provided in the form of a paste capable of forming into optional shapes, and its cured product is well-balanced in and is excellent in properties such as heat resistance, chemical resistance, solvent resistance, releasability, lubricating qualities, water repellency, oil repellency and weatherability.

REFERENCES:
patent: 4565714 (1986-01-01), Koshar
patent: 4818619 (1989-04-01), Strepparola et al.

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