Heat-curable organopolysiloxane compositions

Details Heat-curable organopolysiloxane compositions Heat-curable organopolysiloxane compositions

1984-12-21

1987-09-01

Jacobs, Lewis T.

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...

524183, 524404, 524493, 524500, 524506, C08K 554, C08K 336

Patent

active

046909672

ABSTRACT:
Improved heat-curable organopolysiloxane compositions, easily vulcanizable into silicone elastomers, are comprised of (A) a major amount of a diorganopolysiloxane gum, (B) a reinforcing filler therefor, (C) optionally, a diorganopolysiloxane oil, (D) an organic peroxide catalyst, and minor amounts of at least three of the following four additives: (E) an organohydrogenopolysiloxane, (F) an organofluorinated polymer, (G) an organosilonxane irgabcompound bearing at least one acroyloxyalkyl or methacroyloxyalkyl substituent covalently bonded to a silicon atom thereof, and (H) a boron compound.

REFERENCES:
patent: 2710290 (1955-06-01), Safford et al.
patent: 3070560 (1962-12-01), Metevia
patent: 3449290 (1969-06-01), Foster
patent: 4010136 (1977-03-01), Blizzard et al.
patent: 4202812 (1980-05-01), Murray
patent: 4539357 (1985-09-01), Bobear

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