Silicone rubber composition

Details Silicone rubber composition Silicone rubber composition

1987-12-11

1989-05-02

Marquis, Melvyn I.

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...

524462, 524463, 524588, 524758, 524795, 525104, 525403, 525474, C08K 506

Patent

active

048269050

ABSTRACT:
A silicone rubber composition composed of a high-molecular diorganopolysiloxane, a reinforcing silica filler and an organic peroxide as a curing agent is further compounded with a fluorine-containing low-polymeric compound such as poly(chlorotrifluoroethylene) and perfluorinated polyether compound of the formula F--[--CF(CF.sub.3)--CF.sub.2 --O--].sub.v --O--CF.sub.2 --CF.sub.3, in which v is 2 to 100, as well as fluoroalkyl-substituted organopolysiloxanes. The silicone rubber composition can give a cured silicone rubber product having greatly improved resistance against dynamic fatigue as in repeated cycles of stretching and relaxation.

REFERENCES:
patent: 4201698 (1980-05-01), Itoh et al.
patent: 4260698 (1981-04-01), Tatemoto et al.

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