Process for manufacture of a porous polymer from a mixture

Details Process for manufacture of a porous polymer from a mixture Process for manufacture of a porous polymer from a mixture

C - Chemistry, Metallurgy

08

J

C08J 9/28 (2006.01) B01D 67/00 (2006.01) B01D 71/32 (2006.01) C08G 65/00 (2006.01) C08G 65/22 (2006.01) C08L 71/02 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2248162

The present invention is directed to a process for the production of a porous polymer comprising the steps of: i) forming a mixture comprising a polymerizable component and an organic solvent wherein the polymerizable component comprises at least one macromonomer having at least one perfluoropolyether unit; ii) polymerizing said mixture wherein immediately after the polymerization of said mixture at least a substantial proportion of said organic solvent is in the form of a discrete phase and wherein said discrete organic solvent phase forms an interpenetrating network throughout the mixture or is dispersed throughout the mixture; and iii) removing the discrete organic solvent phase.

L'invention porte sur un procédé de fabrication d'un polymère poreux comprenant les étapes suivantes: (i) formation d'un mélange comprenant un composant polymérisable et un solvant organique, ledit composant polymérisable comprenant au moins un macromonomère présentant une unité de perfluoropolyéther; (ii) polymérisation dudit mélange immédiatement après laquelle au moins une portion substantielle dudit solvant organique est sous la forme d'une phase distincte qui constitue un réseau pénétrant l'ensemble du mélange ou est dispersée dans l'ensemble du mélange; et (iii) élimination de la phase distincte de solvant organique.

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