Method of producing comb or star copolymers using...

Details Method of producing comb or star copolymers using... Method of producing comb or star copolymers using...

C - Chemistry, Metallurgy

08

F

C08F 289/00 (2006.01) C08F 283/06 (2006.01) C08F 293/00 (2006.01) C08G 65/22 (2006.01) C08L 71/02 (2006.01)

Patent

CA 2497260

The present invention provides a method of attaching a polymeric side chain differing in polarity and chemical structure from the backbone and forming a comb or star copolymer structure. In particular the process provides a method of polymerizing in a first step a polymer back bone from epoxy group containing monomers and in a second step polymerizing under controlled radical conditions a comb or star structure onto this back bone.

L'invention concerne un procédé de fixation d'une chaîne latérale polymérique, différant en polarité et en structure chimique du squelette, et formant une structure de copolymère en peigne ou en étoile. Le processus met particulièrement en oeuvre, dans une première étape, un procédé de polymérisation d'un squelette polymérique à partir de groupes époxy contenant des monomères et, dans une seconde étape, avec des conditions radicalaires maîtrisées, la polymérisation d'une structure en peigne ou en étoile sur ce squelette.

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