Silicone foam forming composition

Details Silicone foam forming composition Silicone foam forming composition

C - Chemistry, Metallurgy

08

L

C08L 83/04 (2006.01) C08J 9/00 (2006.01) C08J 9/02 (2006.01) C08K 5/56 (2006.01)

Patent

CA 2085319

Abstract of the Invention A foam forming composition comprises (a) one or more polysiloxanes having not less than three alkylhydrogen siloxane units per molecule, (b) one or more polysiloxanes having not less than two silicon-bonded hydroxyl group per molecule, (c) at least one liquid organic titanium compound and (d) a catalyst. Reaction between the organic titanate (e.g. tetraisopropyl- titanate) and the hydroxy funtional polysiloxane rapidly increases viscosity of the mixture to restrict flow of the composition as it cures to form a foam within 240 seconds of mixing. A vinyl polysiloxane may be incorporated.

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