Dry polyamide-epichlorohydrin resin power for strengthening wet

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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528342, 528481, C08G 6948

Patent

active

051108780

ABSTRACT:
Dry polyamide-epichlorohyrin resin powder that is useful to increase the wet strength of paper is prepared by freeze-drying.

REFERENCES:
patent: 4861815 (1989-08-01), Schultz et al.
patent: 5039758 (1991-08-01), Tobita et al.

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