C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
403/51
C08J 9/02 (2006.01) C08L 83/04 (2006.01)
Patent
CA 1046198
Abstract of the Disclosure Siloxane foams can be prepared by mixing an organohydrogensiloxane, a hydroxylated organsiloxane and a platinum catalyst in amounts such that the ratio of silicon-bonded hydrogen atoms to silicon-bonded hydroxyl radicals is from 2.5 to 40 and thereafter allowing the mixture to foam. The siloxane foams can be made to have an increased fire retardant property by adding 0.01 to 2 parts by weight carbon black based on the weight of the total composition. Siloxane foams are also prepared from mixing an organohydrogensiloxane, a hydroxylated organo- siloxane, a vinyl containing triorganosiloxy endblocked polydiorganosiloxane and a platinum catalyst. These foams can be used for cushioning, in acoustical applications and protective filling or coating applications and especially applications wherein fire retarding is important.
234761
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