Crosslinked polysaccharide, obtained by crosslinking with...

Details Crosslinked polysaccharide, obtained by crosslinking with... Crosslinked polysaccharide, obtained by crosslinking with...

C - Chemistry, Metallurgy

08

B

C08B 31/10 (2006.01) A61L 15/60 (2006.01) C08B 15/00 (2006.01) C08B 31/00 (2006.01) C08B 31/02 (2006.01)

Patent

CA 2362006

New crosslinked polysaccharides useful as absorbents or superabsorbents alone or in a mixture are obtained by reacting polysaccharides (preferably containing carboxylates groups) with at least one crosslinker selected in the group constituted by activated polyethylene glycols such as for example halogenated (Cl, Br, I), mesylated, tosylated, or triflated activated polyethylene glycols.

L'invention porte sur de nouveaux polysaccharides croisés utiles qui servent d'absorbants ou de superabsorbants, agissant seuls ou dans un mélange, et qui sont obtenus en réagissant les polysaccharides(de préférence, ceux contenant des groupes carboxylates) avec au moins un agent de réticulation sélectionné dans le groupe des polyéthylèneglycols activés comme les polyéthylèneglycols activés halogénés (Cl, Br, I), mésylates, tosylates ou triflates.

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