Monomers and initiators for group transfer polymerization

C - Chemistry – Metallurgy – 08 – F

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400/2026, 402/37

C08F 4/42 (2006.01)

Patent

CA 1295777

TITLE MONOMERS AND INITIATORS FOR GROUP TRANSFER POLYMERIZATION ABSTRACT A group Transfer Polymerization process comprising contacting under polymerizing conditions at least one acrylic monomer with (i) a tetracoordinate organosilicon, organotin or organo- germanium polymerization initiator having at least one initiating site and (ii) a co-catalyst which is a source of fluoride, bifluoride, cyanide or azide ions or a suitable Lewis acid, Lewis base or selected (bi)-oxyanion, said process further characterized in that the monomer comprises a selected polyenoate and/or the initiator comprises a selected. polyenolate, to produce an internally and/or terminally unsaturated "living" polymer.

557381

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