Manufacture of insoluble and only sparingly swellable poly-N-vin

Details Manufacture of insoluble and only sparingly swellable poly-N-vin Manufacture of insoluble and only sparingly swellable poly-N-vin

1973-11-09

1976-01-20

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 785UA, 260 8072, 260 861N, C08F 204, C08F22610

Patent

active

039337669

ABSTRACT:
Manufacture of insoluble poly-N-vinyl-pyrrolidone-2 or copolymers of N-vinylpyrrolidone-2 in the presence of a difunctional crosslinker by heating the reaction solution at temperatures above 80.degree.C and completing the reaction at the boiling temperature of water.

REFERENCES:
patent: 2335454 (1943-11-01), Schuster et al.
patent: 2938017 (1960-05-01), Grosser
patent: 3759880 (1973-09-01), Hoffmann et al.

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