Treating dispersions of acrylonitrile polymers

Details Treating dispersions of acrylonitrile polymers Treating dispersions of acrylonitrile polymers

1979-10-26

1981-06-09

Henderson, C. A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525315, 526 93, 528485, 528487, 528492, 528498, C08F 616, C08F23612

Patent

active

042724252

ABSTRACT:
Residual acrylonitrile dissolved in acrylonitrile copolymers and/or water in which acrylonitrile polymers are polymerized or processed such as a latex thereof or from acrylonitrile processes can be substantially reduced by adding to polymer-water mixtures for example, after at least 90% of the monomers have been polymerized, additional catalyst and an amount of comonomer in excess of the amount of free acrylonitrile present.

REFERENCES:
patent: 2662867 (1953-12-01), Hoertz
patent: 2713568 (1955-07-01), Fisher, Jr.
patent: 3692726 (1972-09-01), Oehmichen
patent: 3832317 (1974-08-01), Mikofalvy
patent: 3991136 (1976-11-01), Dalton

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