Graft copolymers

Details Graft copolymers Graft copolymers

C - Chemistry, Metallurgy

08

F

C08F 255/00 (2006.01) C08F 255/02 (2006.01) C08F 259/08 (2006.01)

Patent

CA 2423309

A process for the production of a graft copolymer comprises reacting an irradiated polymer in a reaction mixture comprising a first phase and a second phase. The first phase comprises a source of at least one non-water soluble monomer and the second phase comprises water and optionally, a water miscible organic solvent. The first and second phases are substantially immiscible and non-emusifiel. A high degree on monomer conversion is achieved.

L'invention concerne un procédé pour produire un copolymère greffé, consistant à faire réagir un polymère irradié dans un mélange réactionnel comprenant une première phase et une seconde phase. La première phase comprend une source d'au moins un monomère soluble non aqueux et la seconde phase comprend de l'eau et, éventuellement, un solvant organique miscible avec l'eau. La première et la seconde phase sont sensiblement immiscibles et non émulsionnées. Un haut degré de conversion de monomère est obtenu.

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