Polyacrylamide polymers derived from acrylonitrile without inter

Details Polyacrylamide polymers derived from acrylonitrile without inter Polyacrylamide polymers derived from acrylonitrile without inter

1972-01-26

1977-04-05

Guynn, Herbert B.

Compositions

Leather or fur treating

166274, 166275, E21B 4322

Patent

active

040160866

ABSTRACT:
Hydrolyzed and neutralized acrylonitrile is polymerized in solution without isolation to produce a high molecular weight polyacrylamide useful for mobility control in supplemented recovery of petroleum. The polyacrylamide optionally may be hydrolyzed, and/or methylolated and/or sulfomethylated.

REFERENCES:
patent: 2761834 (1956-09-01), Suen et al.
patent: 3002960 (1961-10-01), Kolodny
patent: 3020953 (1962-02-01), Zerweck et al.
patent: 3023242 (1962-02-01), Bornemann et al.
patent: 3085063 (1963-04-01), Turbak
Acrylonitrile, M. Sittig Chemical Process Monograph No. 14, 1965, pp. 61-64.
Carpenter et al., Acrylamide-Its Preparation and Properties , Article in J. Appl. Chem., vol. 7, 1957, pp. 671 and 672.

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