Pre-formed super absorbers with high swelling capacity

Details Pre-formed super absorbers with high swelling capacity Pre-formed super absorbers with high swelling capacity

1997-11-04

2000-12-05

Reddick, Judy M.

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

Synthetic resins

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

524555, 524379, 5253292, 5253293, 525369, C08F 2044, C08F12044

Patent

active

061568481

ABSTRACT:
Super-absorbent polymer in the form of pre-formed spherical particles obtainable by alkaline hydrolysis of aqueous emulsions of crosslinked and/or un-crosslinked homopolymers and/or copolymers of acrylonitrile in water/alcohol mixtures and the use of the polymer in hygiene products, as a water-storing material in agriculture and for the sheathing of electrical cables.

REFERENCES:
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patent: 4107121 (1978-08-01), Stoy
patent: 4558100 (1985-12-01), Kightlinger et al.
patent: 5218039 (1993-06-01), Stoy et al.
patent: 5252692 (1993-10-01), Lovy et al.
patent: 5496890 (1996-03-01), Sackmann et al.
patent: 5523367 (1996-06-01), Ahmed
patent: 5635569 (1997-06-01), Sackmann et al.
patent: 5691421 (1997-11-01), Tanaka et al.

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