Curable fluoropolyether rubber compositions and rubber articles

Details Curable fluoropolyether rubber compositions and rubber articles Curable fluoropolyether rubber compositions and rubber articles

2006-08-15

2006-08-15

Peng, Kuo-Liang (Department: 1712)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C528S031000, C528S025000, C556S445000

Reexamination Certificate

active

07091279

ABSTRACT:
A curable fluoropolyether rubber composition comprising (A) a straight-chain fluoropolyether compound having at least two alkenyl groups in a molecule and a perfluoropolyether structure in the backbone, (B) an organosilicon compound having at least two hydrosilyl groups in a molecule, (C) a compound containing at least one fluorine atom and at least one benzene ring in a molecule, free of a polar group, having a melting point of at least 50° C., in powder form, and (D) a hydrosilylation catalyst cures into a rubber product having solvent resistance, chemical resistance, improved mold release property and satisfactory compression set.

REFERENCES:
patent: 5837774 (1998-11-01), Tarumi et al.
patent: 1170320 (2002-01-01), None
patent: 1172415 (2002-01-01), None
patent: 1217025 (2002-06-01), None
patent: 2990646 (1999-10-01), None

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