Organosiloxane-oxyalkylene copolymers

Details Organosiloxane-oxyalkylene copolymers Organosiloxane-oxyalkylene copolymers

C - Chemistry, Metallurgy

08

F

117/185, 400/200

C08F 293/00 (2006.01) C08G 77/46 (2006.01)

Patent

CA 1225767

Abstract of the Disclosure ORGANOSILOXANE-OXYALKYLENE COPOLYMERS Organosiloxane-oxyalkylene copolymers in which at least one silicon atom of an organosiloxane unit has attached thereto a group -X(OR)nO?iR'(OR")2-a in which X is a divalent hydrocarbon group, R is an alkylene group, n is an integer of at least 2, Z is an organic substi- tuent containing an epoxy group, R' is lower alkyl, vinyl or phenyl, R" is alkyl or alkoxyalkyl and a is 0 or 1, at least 40 percent of the total substituents in the copolymer being methyl. The copolymers are film forming and may be applied to contlnuous or porous substrates from aqueous or non-aqueous solutions.

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