D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 15/263 (2006.01) A61L 15/24 (2006.01) A61L 15/28 (2006.01) C08B 15/10 (2006.01) C08L 1/08 (2006.01) D06M 13/123 (2006.01) D06M 13/207 (2006.01) D06M 13/432 (2006.01) D06M 15/333 (2006.01) D06M 15/347 (2006.01) D21C 9/00 (2006.01) D21H 11/20 (2006.01)
Patent
CA 2312954
Cellulosic fibers intrafiber crosslinked with a polymeric polycarboxylic acid crosslinking agent are disclosed. In one embodiment, the polymeric polycarboxylic acid is polyacrylic acid and, in another embodiment, the polycarboxylic acid is polymaleic acid. Methods for forming cellulosic fibers having stable intrafiber crosslinks and for forming crosslinked cellulosic fibers having low knot level are also disclosed.
L'invention concerne des fibres cellulosiques à réticulation intrafibres, lesdites fibres étant réticulées avec un agent de réticulation à l'acide polycarboxylique polymère. Selon une réalisation, l'acide polycarboxylique polymère est un acide polyacrylique; selon une autre réalisation, l'acide polycarboxylique est un acide polymaléïque. L'invention concerne également des méthodes de formation de fibres cellulosiques comportant des liaisons de réticulation intrafibres stable, ainsi que des méthodes de formation de fibres cellulosiques réticulées comportant une faible quantité de noeuds.
Jewel Richard A.
Neogi Amar N.
Westland John A.
Smart & Biggar
Weyerhaeuser Company
Weyerhaeuser Nr Company
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