Process for producing by hydrogenation a terpolymer of the...

C - Chemistry – Metallurgy – 08 – G

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C08G 65/322 (2006.01) C08G 65/14 (2006.01) C08G 65/16 (2006.01) C08G 65/22 (2006.01) C08G 65/334 (2006.01) H01B 1/12 (2006.01) H01M 6/18 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2155567

The invention relates to a process for the preparation of copolymers or polycondensates having solvating properties. The process for the preparation of a copolymer or a polycondensate comprised essentially of solvating units susceptible of inducing crystallinity, units reducing the crystallinity of the copolymer or of the polycondensate, and optionally cross-linkable units, all said units being of the oxyalkylene type or of the oxyalkenylene type, is characterized in that during a first step, a copolymer or a polycondensate is prepared, said copolymer or polycondensate comprising solvating units susceptible of inducing crystallinity and units which have a carbon/carbon insaturation in conditions which do not affect said insaturation and in that during a second step, at least a portion of the insaturations is subjected to hydrogenation. Application to the preparation of copolymers useful for producing ionic conduction materials.

L'invention concerne un procédé de préparation de copolymères ou de polycondensats ayant des propriétés solvatantes. Le procédé pour la préparation d'un copolymère ou d'un polycondensat constitué essentiellement par des unités solvatantes susceptibles d'induire un caractère cristallin, des unités permettant de diminuer la cristallinité du copolymère ou du polycondensat, et éventuellement des unités réticulables, toutes ces unités étant du type oxyalkylène ou du type oxyalkénylène, est caractérisé en ce que au cours d'une première étape, on prépare un copolymère ou un polycondensat comprenant des unités solvatantes susceptibles d'induire un caractère cristallin et des unités qui ont une insaturation carbone/carbone, dans des conditions qui n'affectent pas ladite insaturation et au cours d'une deuxième étape, on procède à l'hydrogénation d'au moins une partie des insaturations. Application à la préparation de copolymères utiles pour l'élaboration de matériaux à conduction ionique.

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