Process for stabilizing aqueous acrylamide solution

Details Process for stabilizing aqueous acrylamide solution Process for stabilizing aqueous acrylamide solution

1992-05-19

1994-10-04

Kumar, Shailendra

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564 2, 564204, 564206, 435129, C07C20990

Patent

active

053528280

ABSTRACT:
A process for the stabilization of an aqueous acrylamide solution is described which includes adding at least one compound selected from water-soluble monocarboxylic acid salts having at least two carbon atoms to an aqueous solution of acrylamide in an amount of from 20 to 5,000 ppm as acid per acrylamide. According to the present invention, a high purity aqueous acrylamide solution which is markedly stable, even under an iron surface-contacting condition, without causing problems such as the polymerization of acrylamide can be provided by adding a water-soluble monocarboxylic acid salt having at least two carbon atoms.

REFERENCES:
patent: 2863918 (1958-12-01), Bikales et al.
patent: 2927942 (1960-03-01), Bikales et al.
patent: 4233240 (1980-11-01), Linke et al.
Database WPI Week 7232, Derwent Publications Ltd., London, GB; AN 72-51015T [32] for JP-B-47-28766 (Mitsubishi Chemical Inds) Mar. 12, 1969.

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