C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 212/14 (2006.01) B01D 69/02 (2006.01) B01D 69/12 (2006.01) B01D 71/28 (2006.01) B01D 71/32 (2006.01) C07C 309/86 (2006.01) C08F 8/00 (2006.01) C08F 12/30 (2006.01) C08F 14/18 (2006.01) C08J 5/22 (2006.01) G01N 27/40 (2006.01) G01N 27/407 (2006.01) H01M 2/16 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2171298
Polymeric compositions are derived from copolymers of .alpha.,.beta.,.beta.-trifluorostyrene with a variety of substituted .alpha.,.beta.,.beta.-trifluorostyrenes. These compositions are suitable for use as membranes, particularly as ion-exchange membranes, and most particularly as solid polymer electrolytes in electrochemical applications, such as, for example, electrochemical fuel cells.
Des compositions polymères sont dérivées de copolymères de .alpha.,.bêta.-trifluorostyrène avec une diversité de .alpha., .bêta., .bêta.-trifluorostyrènes substitués. Ces compositions peuvent servir de membranes, en particulier comme membranes échangeuses d'ions et, plus particulièrement, comme électrolytes polymères solides dans des applications électrochimiques, notamment, par exemple, dans les piles à combustible.
Steck Alfred E.
Stone Charles
Wei Jinzhu
Ballard Power Systems Inc.
Borden Ladner Gervais Llp
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