Process for foaming acyloxysilane-containing silicone materials

Details Process for foaming acyloxysilane-containing silicone materials Process for foaming acyloxysilane-containing silicone materials

C - Chemistry, Metallurgy

08

J

C08J 9/08 (2006.01) C08L 83/04 (2006.01)

Patent

CA 2234698

Disclosed is a process for foaming a mixture of a bifunctionally terminated diorganopolysiloxane and a acyloxysilane cross-linking agent, the process comprising adding to the mixture a sufficient amount of a hydrogen carbonate compound to neutralize the acid in a foam composition, wherein the hydrogen carbonate compound has a cation portion comprising an amino nitrogen bearing entirely hydrogen substituents or at least one alkyl substituent.

L'invention concerne un procédé de moussage de mélanges composés de diorganopolysiloxanes et d'agents de réticulation d'acyloxysilane, selon lequel on ajoute au mélange une quantité suffisante d'un hydrocarbonate d'ammonium, d'amino, de sodium ou de potassium.

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