Flame resistant silicone rubber compositions and methods

Details Flame resistant silicone rubber compositions and methods Flame resistant silicone rubber compositions and methods

1979-12-26

1981-09-08

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457R, 260 4575R, 260 4575F, C08L 8304

Patent

active

042883601

ABSTRACT:
The present invention provides curable organopolysiloxane compositions having improved flame retardant properties, comprising, (1) an organopolysiloxane gum convertible to the cured, solid, elastic state and consisting essentially of silicon atoms, oxygen atoms and organic groups selected from the class consisting of methyl radicals, aromatic radicals selected from the class consisting of aryl and halogenated aryl radicals, vinyl radicals, lower alkyl radicals, lower cyanoalkyl radicals and lower haloalkyl radicals, (2) a finely divided inorganic filler, (3) a platinum compound or platinum and (4) and various effective amounts of hydrated alumina, fumed titanium dioxide, and magnesium oxide.

REFERENCES:
patent: 3514424 (1970-05-01), Noble et al.
patent: 3635874 (1972-01-01), Laur et al.
patent: 3652488 (1972-03-01), Harder
patent: 3711520 (1973-01-01), Pfeifer et al.
patent: 3734877 (1973-05-01), Christie, Jr.
patent: 3836489 (1974-09-01), Bargain

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