Wet strength polymers

Details Wet strength polymers Wet strength polymers

1979-03-19

1980-11-11

Hamrock, William F.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 297H, 525329, 525334, 525336, 525379, C08F 818, C08C 1912

Patent

active

042334179

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.

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