Process and composition for the manufacture of wet...

Details Process and composition for the manufacture of wet... Process and composition for the manufacture of wet...

D - Textiles, Paper

21

H

D21H 17/56 (2006.01) C08G 73/02 (2006.01) C08L 79/02 (2006.01) D21H 17/47 (2006.01) D21H 17/55 (2006.01) D21H 21/20 (2006.01)

Patent

CA 2138891

A process for making wet strengthened paper comprises (1) treating an aqueous suspension of papermaking fibers with a composition comprising (a) a cationic polymer that cures at a neutral pH and is capable by itself of conferring wet strength to paper, the resin having a multiplicity of 3-hydroxyazetidinium ion groups along the polymer chain, and (b) a water-soluble carboxyalkylated polyamine polymer or a carboxylic acid salt thereof.

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