Substantially fluorinated ionomers

Details Substantially fluorinated ionomers Substantially fluorinated ionomers

C - Chemistry, Metallurgy

08

F

C08F 214/22 (2006.01) C07C 311/48 (2006.01) C07C 317/18 (2006.01) C07C 317/44 (2006.01) C08F 216/14 (2006.01) C08L 27/16 (2006.01)

Patent

CA 2321695

This invention deals with substantially fluorinated but not perfluorinated ionomers, and related ionic and nonionic monomers, having pendant groups containing fluorosulfonyl methide or fluorosulfonyl imide derivatives and univalent metal salts thereof, and with the uses of said ionomers in electrochemical applications such as batteries, fuel cells, electrolysis cells, ion exchange membranes, sensors, electrochromic windows, electrochemical capacitors , and modified electrodes.

L'invention concerne des ionomères sensiblement fluorés mais non perfluorés, ainsi que des monomères ioniques et nonioniques apparentés, les groupes latéraux desdits ionomères contenant des dérivés de fluorosulfonylméthide ou de fluorosulfonylimide. L'invention concerne également les sels métalliques monovalents de ces ionomères, ainsi que l'utilisation de ces derniers dans des applications électrochimiques, par exemple des batteries, des piles à combustible, des cellules électrolytiques, des membranes échangeuses d'ions, des capteurs, des fenêtres électrochromiques, des condensateurs électrochimiques, et des électrodes modifiées.

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