Cross-linked solid polyelectrolyte and use thereof

Details Cross-linked solid polyelectrolyte and use thereof Cross-linked solid polyelectrolyte and use thereof

C - Chemistry, Metallurgy

08

G

C08G 65/22 (2006.01) C08G 65/08 (2006.01) C08G 65/14 (2006.01) C08G 65/24 (2006.01) C08K 3/24 (2006.01) C08K 5/42 (2006.01) C08L 71/02 (2006.01) H01G 9/025 (2006.01) H01M 6/18 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2253863

The present invention is directed to a crosslinked material of a polyether copolymer comprising: (A) 1 to 98% by mol of a repeating unit derived from a monomer represented by the formula (I): Image (B) 95 to 1% by mol of a repeating unit derived from a monomer represented by the formula (II): Image and (C) 0.005 to 15% by mol of a repeating unit derived from a monomer having one epoxy group and at least one reactive functional group. The copolymer of the present invention is suitable for use as a polymer solid electrolyte which is superior in ionic conductivity and also superior in processability, moldability, mechanical strength and flexibility, and thermal resistance.

Copolymère de polyéther réticulé contenant (A) 1 à 98 % en mole de motifs récurrents dérivés d'un monomère représenté par la formule générale (I); (B) 95 à 1 % en mole de motifs récurrents dérivés d'un monomère représenté par la formule générale (II); (C) 0,005 à 15 % en mole de motifs récurrents dérivés d'un monomère comportant un groupe époxy, ainsi qu'au moins un groupe fonctionnel réactif: Ce copolymère permet d'obtenir un polyélectrolyte solide présentant des propriétés excellentes en ce qui concerne la conductivité ionique, l'aptitude à la mise en oeuvre, l'aptitude au moulage, la résistance mécanique, la flexibilité ainsi que la résistance thermique.

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