Wet strength polymers

Details Wet strength polymers Wet strength polymers

1980-04-07

1982-07-20

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...

525332, 525333, 525334, 525336, 5253592, 525379, 525403, 525523, 528403, 528405, C08F 808, C08F 832, C08F 844

Patent

active

043406920

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: 4233417 (1980-11-01), Van Eenam

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