Superabsorbent compositions and a process for preparing them

Details Superabsorbent compositions and a process for preparing them Superabsorbent compositions and a process for preparing them

1991-01-02

1992-06-30

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 58, 524377, 524386, 525 57, 525 61, C08K 504

Patent

active

051263823

ABSTRACT:
Metal ion crosslinked superabsorbent polymers and a process for making them are described wherein high concentrations of polyhydroxylated materials are incorporated in order to reduce the sensitivity of the superabsorbent composition to solutions containing dissolved salts. Also provided is a process for forming crosslinked superabsorbents containing high solids polymer content.

REFERENCES:
patent: 3767784 (1973-10-01), Gluck
patent: 3963685 (1976-06-01), Abrahams
patent: 4090013 (1978-05-01), Ganslaw et al.
patent: 4410571 (1983-10-01), Korpman
patent: 4552938 (1985-11-01), Mikita et al.
patent: 4683142 (1987-07-01), Zimmermann et al.
patent: 4693713 (1987-09-01), Chmelir et al.
patent: 4737582 (1988-04-01), Goldman et al.
Behavior of Zirconium Compounds in Polymers--A Review, Warren B. Blumenthal, Polymer Engineering and Science, Nov. 1974, vo. 14, No. 11, pp. 754-759.

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