Process for the manufacture of certain new silicone...

Details Process for the manufacture of certain new silicone... Process for the manufacture of certain new silicone...

C - Chemistry, Metallurgy

08

F

C08F 8/00 (2006.01) C07F 7/08 (2006.01) C08G 77/46 (2006.01)

Patent

CA 2064379

ABSTRACT A process for preparing a polyether-siloxane copolymer having a polyether backbone. A polyether possessing olefinically-unsaturated pendant groups is reacted with a silane having an Si-H group and at least one hydrolyzable functional group, forming an intermediate polyether-silane, and this is reacted under hydrolytic conditions with a silane or a siloxane possessing a hydrolyzable functional group, to yield the desired polyether-siloxane copolymer.

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