Acrylonitrile polymer solutions

Details Acrylonitrile polymer solutions Acrylonitrile polymer solutions

1976-02-18

1977-10-04

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 308DS, 260 326N, 260 793M, 526208, 526328, 526341, 526342, C08F 434, C08F 2044, C08K 534

Patent

active

040523551

ABSTRACT:
This invention relates to the production of spinnable solutions of acrylonitrile homopolymers or acrylonitrile copolymers in which the polymerization is conducted in an organic solvent containing a catalyst system comprising an acid, e.g., sulfuric acid, a peroxodisulfate, e.g., ammonium peroxodisulfate, and a 1,3-diketone, e.g., acetyl acetone. Polymers having a good natural color and high K-values are obtained in good yields.

REFERENCES:
patent: 3025278 (1962-03-01), Pitts
patent: 3463616 (1969-08-01), Corradi et al.
patent: 3634370 (1972-01-01), D'Alelio
Dagon et al., Chem. Abs. 72 (1970), p. 13108c.

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