C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 65/48 (2006.01) B01D 69/14 (2006.01) B01D 71/52 (2006.01) B01D 71/82 (2006.01) C08G 65/40 (2006.01) C08J 5/22 (2006.01) H01M 2/16 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2442321
The invention relates to a sulfonated polyetherketoneketone (sPEKK), which is amorphous and/or which can be obtained by sulfonating amorphous PEKK. This sPEKK can be preferably produced by using a diphenyl ether and a benzenedicarboxylic acid derivative. Particularly preferred is the use of benzenedicarboxylic acid dichloride. The benzenedicarboxylic acid derivative is advantageously provided in the form of a mixture consisting of at least two different benzenedicarboxylic acid derivatives, in particular, an isophthalic acid derivative and a terephthalic acid derivative.
L'invention concerne un polyéther cétone cétone sulfoné (sPEKK) obtenu par voie amorphe et/ou par sulfonation de PEKK amorphe. Ce sPEKK peut être obtenu de préférence à l'aide de diphényléther et de dérivé d'acide dicarboxylique de benzène. A cet effet l'utilisation de dichlorure d'acide dicarboxylique de benzène retient la préférence. Le dérivé d'acide dicarboxylique de benzène est avantageusement un mélange d'au moins deux différents dérivés d'acide dicarboxylique de benzène, notamment d'un dérivé d'acide isophtalique et d'un dérivé d'acide térephtalique.
Fuma-Tech Gesellschaft Fur Funktionelle Membranen Und Anlagentec
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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