Selective catalysts for the synthesis of epoxysilicone...

Details Selective catalysts for the synthesis of epoxysilicone... Selective catalysts for the synthesis of epoxysilicone...

C - Chemistry, Metallurgy

07

F

C07F 15/00 (2006.01) C07F 7/08 (2006.01) C07F 7/18 (2006.01) C08G 77/08 (2006.01) C08G 77/14 (2006.01) C08G 77/38 (2006.01)

Patent

CA 2098633

Abstract of the Invention The invention provides a method for making a curable epoxysilicone composition through the hydrosilation reaction between an ethylenically unsaturated epoxide and an SiH-containing silicone to produce an epoxysilicone product, and catalyzed by a quaternary ammonium, phosphonium or arsonium hexahaloplatinate which does not promote the oxirane ring-opening reaction of either the ethylenically unsaturated epoxide starting material or the epoxysilicone product. The invention also provides for a curable epoxysilicone composition made by the above method.

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