Temporary wet strength additives

Details Temporary wet strength additives Temporary wet strength additives

D - Textiles, Paper

21

H

D21H 21/20 (2006.01) C08B 37/00 (2006.01) D21H 11/20 (2006.01) D21H 17/24 (2006.01) D21H 17/31 (2006.01) D21H 17/32 (2006.01)

Patent

CA 2250178

Compounds comprising the oxidation product of a polysaccharide in which the hydroxyl groups in at least a portion of the repeating units of the polysaccharide are cis-hydroxyl groups, the oxidation product comprising aldehyde groups, are disclosed. The compounds are useful for imparting temporary wet strength to paper products. Preferred polysaccharides for use in the invention include guar gum and locust bean gum.

L'invention concerne des composés comprenant le produit d'oxydation d'un polysaccharide dans lequel les groupes hydroxyle, pour au moins une portion des motifs répétés du polysaccharide, sont des groupes cis-hydroxyle, ledit produit d'oxydation comprenant des groupes aldéhyde. Lesdits composés sont utiles pour procurer à des produits papier une résistance temporaire à l'état humide. Dans des modes de réalisation préférés, les polysaccharides comprennent la gomme de guar et la gomme de caroube.

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