Aqueous solvent for halogen-containing acrylonitrile polymer

Details Aqueous solvent for halogen-containing acrylonitrile polymer Aqueous solvent for halogen-containing acrylonitrile polymer

1974-04-10

1976-04-06

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296AN, 264182, C08L 3320

Patent

active

039488403

ABSTRACT:
Aqueous solutions containing at least 30% sodium thiocyanate and 2 to 25% dipropylene glycol are solvents for acrylonitrile polymers containing 55 to 80% acrylonitrile and 15 to 40% vinyl chloride, vinyl bromide, vinylidene chloride, vinylidene chlorobromide, and/or vinylidene bromide useful in forming solutions of 8 to 15% of such polymers for wet-spinning into fibers.

REFERENCES:
patent: 2716093 (1955-08-01), McClellan
patent: 3313758 (1967-04-01), Apperson et al.
patent: 3632543 (1972-01-01), Nakanome et al.
patent: 3773884 (1973-11-01), Shimosaka et al.
patent: 3776142 (1973-12-01), Nield et al.

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