Wet strength polymers

Details Wet strength polymers Wet strength polymers

1980-04-07

1981-11-03

Hamrock, William F.

Coating processes

With post-treatment of coating or coating material

Heating or drying

162164EP, 260 292EP, 260 296HN, 427391, 525336, 5253592, 526 75, B05D 302, B05D 304

Patent

active

042986397

ABSTRACT:
The invention provides a stable polymeric additive useful for improving the wet strength of a cellulosic substrate. The additive is a water-soluble cationic thermosetting polymer incorporating a plurality of extralinear glycidyl quaternary ammonium groups. The invention also comprises a method of making such an additive.

REFERENCES:
patent: 3694393 (1972-09-01), Lewis et al.
patent: 3702799 (1972-11-01), Lewis et al.
patent: 4129528 (1978-12-01), Petrovich et al.
patent: 4226957 (1980-10-01), Van Eenam
patent: 4233417 (1980-11-01), Van Eenam

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