Polymer electrolytes and process for their preparation

Details Polymer electrolytes and process for their preparation Polymer electrolytes and process for their preparation

C - Chemistry, Metallurgy

08

G

C08G 65/48 (2006.01) B01D 71/52 (2006.01) C08G 61/12 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2215960

A sulfonated aromatic polyether ketone of the formula (II) [Ar-O-Ar'-CO-Ar'-O-Ar-CO-Ar"-CO-] ~(II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated and unsulfonated O-phenylene-CO units can be in any desired sequence with respect to one another, the radicals Ar, Ar' and Ar" independently of one another are substituted or unsubstituted 1,2-, 1,3- or 1,4-phenylene rings, and M, taking into account the ionic valencies, comprises one or more elements selected from the following group: H, NR4+, where R is H or C1-C4-alkyl, or an alkali metal or alkaline earth metal or a metal from subgroup 8, and is preferably H, NR4+, Li, Na, K, Ca, Mg, Fe or Pt.

L'invention concerne une cétone de polyéther aromatique sulfonée de la formule générale (II) [Ar-O-Ar'-CO-Ar'-O-Ar-CO-Ar''-CO-], où 1 à 100 % des unités O-phénylène-CO sont substituées par un groupe SO3M et les unités O-phénylène-CO sulfonées ou non sulfonées sont disposées dans un ordre quelconque et les restes Ar, Ar' et Ar'' désignent, indépendamment les uns des autres, des 1,2-, 1,3- ou 1,4-composés cycliques phénylène et M, compte tenu des valences ioniques, désigne un ou plusieurs éléments sélectionnés dans le groupe suivant: H, NR4<+>, avec R = H, alkyle C1-C4 ou un métal alcalin ou alcalino-terreux ou un métal du huitième sous-groupe, de préférence H, NR4<+>, Li, Na, K, Ca, Mg, Fe et Pt.

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