D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 13/432 (2006.01) D06M 13/192 (2006.01) D06M 15/263 (2006.01) D21C 9/00 (2006.01) D21H 11/20 (2006.01)
Patent
CA 2273290
Cross-linked cellulose fibers having free pendant carboxylic acid groups are disclosed. The fibers include a polycarboxylic acid covalently coupled to the fibers, and are cross-linked with a cross-linking agent having a cure temperature lower than the cure temperature of the polycarboxylic acid. Methods for producing the fibers and for producing a fibrous sheet incorporating the fibers are also disclosed.
La présente invention concerne des fibres de cellulose réticulées portant des groupes acide carboxylique pendants libres. Ces fibres, dont un acide polycarboxylique est couplé par covalence avec elles, ont subi une réticulation au moyen d'un agent de réticulation dont la température de prise est inférieure à la température de prise de l'acide polycarboxylique. L'invention concerne également des procédés de production, non seulement de telles fibres, mais également de feuilles en fibres incorporant les fibres de l'invention.
Westland John A.
Oyen Wiggs Green & Mutala Llp
Weyerhaeuser Company
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