Preparation of block copolymers and products therefrom

Details Preparation of block copolymers and products therefrom Preparation of block copolymers and products therefrom

C - Chemistry, Metallurgy

08

F

400/2031

C08F 297/02 (2006.01) C08F 293/00 (2006.01)

Patent

CA 1098637

ABSTRACT OF THE DISCLOSURE Block copolymers of AB or ABA configuration are prepared by anionically polymerizing one component, terminating the living polymer with sulfur or an episulfide and completing polymerization of the remaining block portion by free-radical polymerization. By this process one can prepare block copolymers con- taining monomers which are generally considered unsuitable for anionic polymerization. 18,312-F 18,312-F

298867

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