Process for preparing graft copolymers useful in membranes

Details Process for preparing graft copolymers useful in membranes Process for preparing graft copolymers useful in membranes

C - Chemistry, Metallurgy

08

F

C08F 291/04 (2006.01) B01D 71/28 (2006.01) B01D 71/78 (2006.01) C08F 259/08 (2006.01) C08F 291/18 (2006.01)

Patent

CA 2499515

A process for preparing a graft copolymers is provided comprising exposing a polymeric base material to a dose of ionizing radiation, and then contacting the irradiated base material with a microemulsion comprising at least one fluorostyrenic monomer, water and water-miscible solvent. The graft copolymer may be formed into a membrane, including ion exchange membranes.

L'invention porte sur une procédé de préparation d'un copolymère greffé, ce procédé consistant à exposer un matériau de base polymère à une dose de rayonnements ionisants et à mettre ensuite en contact le matériau de base irradié avec une microémulsion comprenant au moins un monomère fluorostyrène, de l'eau et un solvant miscible dans l'eau. Le copolymère greffé peut être transformé en membrane, y compris en membrane échangeuse d'ions.

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