Wet strenght and softness enhancement of paper products

Details Wet strenght and softness enhancement of paper products Wet strenght and softness enhancement of paper products

D - Textiles, Paper

21

H

D21H 21/20 (2006.01) C08F 8/32 (2006.01) C08G 73/00 (2006.01) D21H 17/56 (2006.01) D21H 23/76 (2006.01) D21H 17/43 (2006.01) D21H 17/64 (2006.01) D21H 21/22 (2006.01)

Patent

CA 2462386

A method for making paper to enhance its wet strength includes adding separately to a cellulosic paper pulp furnish the following additives to form a treated pulp: a cationic wet strength resin whose cationic sites bond to anionic sites of cellulose fibers contained in the paper pulp furnish, and a hydrophobically modified anionic polyelectrolyte whose anionic sites bond with cationic sites of the cationic wet strength resin.

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