Organopolysiloxane-polyether-vinyl graft copolymers

Details Organopolysiloxane-polyether-vinyl graft copolymers Organopolysiloxane-polyether-vinyl graft copolymers

C - Chemistry, Metallurgy

08

F

400/2005

C08F 283/12 (2006.01) C08F 283/06 (2006.01)

Patent

CA 1159594

Abstract of the Disclosure A graft copolymer comprising (I) as a first polymeric moiety an organopolysiloxane with OH functional groups, (II) as a second polymeric moiety a polyether, and (III) units of vinyl monomer which have been poly- merized in the presence of mixtures of the first and second polymeric moieties which moieties are linked via vinyl polymer bridges, is produced by polymerizing a suitable monomer dispersion. The product is suited for replacing all or some of the organopolysioloxane component in room temperature curable compositions containing organopolysiloxanes, silane cross-linking agents and a curing catalyst.

365583

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