Method for producing a membrane from a crosslinked polymer...

Details Method for producing a membrane from a crosslinked polymer... Method for producing a membrane from a crosslinked polymer...

C - Chemistry, Metallurgy

08

J

C08J 5/22 (2006.01) B01D 67/00 (2006.01) B01D 69/14 (2006.01) B01D 71/62 (2006.01) B01D 71/68 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2457608

The present invention relates to a polymer blend membrane comprising a bridged polymer which is produced by a selected process. The membrane of the invention displays a significantly improved fracture toughness (elongation at break/stress) combined with virtually unchanged other properties. The membranes of the invention are suitable for producing membrane-electrode units for fuel cells.

Membrane constituée d'un mélange à base d'un polymère ponté, qui est fabriquée à l'aide d'un procédé choisi. La membrane selon la présente invention possède une résistance à la rupture (allongement à la rupture / traction) considérablement améliorée, les autres propriétés restant sensiblement inchangées. Les membranes selon la présente invention sont adaptées pour la fabrication d'unités membranes-électrodes pour des piles à combustible.

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