Hydrophilic, swellable polymers

Details Hydrophilic, swellable polymers Hydrophilic, swellable polymers

1992-08-26

1993-05-25

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 56, 521142, 521147, 521149, 521150, C08J 900

Patent

active

052140750

ABSTRACT:
The present invention relates to hydrophilic, swellable polymers which consist of radicals of the general formula I ##STR1## wherein R.sup.1 to R.sup.3 are defined as stated in the description, and of radicals of a crosslinking agent which have originated from monomers having at least two olefinically unsaturated double bonds, and which are characterized in that they are in the form of a highly porous, foam-like polyhedral structure, their preparation and their use as absorption agents for water and aqueous solutions.

REFERENCES:
patent: 3886125 (1975-05-01), Chromececk
patent: 4190713 (1980-02-01), Kraemer et al.
patent: 4224415 (1980-09-01), Meitzner et al.
patent: 4286082 (1981-08-01), Tsubakimoto et al.
patent: 4535098 (1985-08-01), Evani et al.
patent: 4908392 (1990-03-01), Kusano et al.

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