Acrylonitrile polymerization with organic solvent

Details Acrylonitrile polymerization with organic solvent Acrylonitrile polymerization with organic solvent

1980-07-21

1982-04-20

Henderson, C. A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

8510, 526214, 526230, 526262, 5263293, 526341, 526271, 526272, 526342, 528382, C08F 206, C08F 2230

Patent

active

043260519

ABSTRACT:
The invention relates to a homopolymer or copolymer of acrylonitrile which comprises from 0 to 30% by weight, incorporated by polymerization, of comonomer units which are free from ionic groups, said polymers having a K-value of from 50 to 100, a dye absorption capacity for cationic dyes of at least 0.5% by weight, a conductivity, measured in dimethylformamide solution, of at least 10.mu. Siemens, and from 0.2 to 1.5% by weight of sulphur fixed to said polymer as well as to a process for the production thereof.

REFERENCES:
patent: 3141869 (1964-07-01), Dennstedt
patent: 3161630 (1964-12-01), Phelisse
patent: 3174954 (1965-03-01), Nakayama
patent: 3255158 (1966-06-01), Anthes
patent: 3395133 (1968-07-01), D'Alelio
patent: 3878178 (1975-04-01), Guinn
patent: 4136246 (1979-01-01), Li
patent: 4140844 (1979-02-01), Lohwasser
patent: 4143020 (1979-03-01), Emmons

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