Copolymer, a process for its preparation and its use as a sorben

Details Copolymer, a process for its preparation and its use as a sorben Copolymer, a process for its preparation and its use as a sorben

1984-06-22

1985-11-12

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521150, 521152, 521154, C08J 900

Patent

active

045529051

ABSTRACT:
The crosslinked copolymer containing 75 to 99.9% by weight of recurring units of a pyridyl, quinolyl, isoquinolyl or pyrazinyl compound containing a polymerizable olefinic group, 0.1 to 25% by weight of units of a crosslinking agent and 0 to 25% by a weight of units of a polymerizable organosilicon and/or organoboron compound and, based on 100% by weight of the sum of the abovementioned units, 5 to 350% by weight of units of an N-vinyl-amide, is prepared by bead polymerization and used as a sorbent for acid substances from their aqueous solutions.

REFERENCES:
patent: 3681269 (1972-08-01), Heitz et al.
patent: 3817745 (1974-06-01), Copes et al.
patent: 3878175 (1975-04-01), Steckler
patent: 3886125 (1975-05-01), Chromecek
patent: 4154910 (1979-05-01), Tanaka et al.
patent: 4246351 (1981-01-01), Mijake et al.
patent: 4246362 (1981-01-01), Sasaki et al.
patent: 4251634 (1981-02-01), Coupek et al.
patent: 4281233 (1981-07-01), Coupek et al.

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