Flame resistant silicone rubber compositions and methods

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

C - Chemistry, Metallurgy

08

K

400/7215

C08K 3/00 (2006.01) C08K 3/22 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1152244

ABSTRACT OF THE DISCLOSURE 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.

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