C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 61/10 (2006.01) B01D 71/72 (2006.01) B01D 71/82 (2006.01) C08G 61/02 (2006.01)
Patent
CA 2494694
The invention relates to polymers comprising phenylene units at least one of which bears laterally a phenylene group which is substituted by a group or a perfluorinated chain which itself bears a -S0¿3?H, -P0¿3?H¿2? or -CO¿2?H group. The invention also relates to the use of said polymer in forming fuel cell membranes.
La présente invention a pour objet des polymères comprenant des motifs phénylène dont l'un au moins est porteur latéralement d'un groupe phénylène substitué par un groupe, ou une chame perfluorée, porteur elle-même d'un groupe -S03H, -P03H2 ou -CO2H. Utilisation de ce polymère pour constituer des membranes de pile à combustible.
Balland-Longeau Alexia
Capron Philippe
Mercier Regis
Pereira Franck
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