Process and composition for the manufacture of wet strengthened

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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1621646, 525408, C08K 318, D21H 2120

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055256643

ABSTRACT:
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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