Water absorbent polymer composition

Details Water absorbent polymer composition Water absorbent polymer composition

1985-06-17

1986-10-07

Ziegler, Jacob

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

Synthetic resins

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

252194, C08L 5300

Patent

active

046160639

ABSTRACT:
Water-insoluble, water swellable polymer compositions are disclosed. In one embodiment, the polymer composition comprises a copolymer of styrene and maleic anhydride and a multi arm block copolymer of styrene and ethylene oxide. In a preferred embodiment, the maleic anhydride groups of the anhydride-containing copolymer are treated with a strong base to further enhance absorption capacity.

REFERENCES:
patent: 3135716 (1964-06-01), Uraneck et al.
patent: 4379877 (1983-04-01), Younes

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