Process for the production of polymers containing acrylonitrile

Details Process for the production of polymers containing acrylonitrile Process for the production of polymers containing acrylonitrile

1981-10-09

1983-05-17

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526230, 5263293, 526262, 526341, 526342, C08F 206

Patent

active

043840914

ABSTRACT:
Acrylonitrile polymers and copolymers with good affinity for basic dyes without sulfonic acid groups containing comonomers are obtained by polymerizing at a temperature of from 0.degree. to 60.degree. C. in an aliphatic hydrocarbon having a boiling point of from -10.degree. to 80.degree. C. or in a mixture of aliphatic hydrocarbons having boiling points in the range from -10.degree. to 80.degree. C. using an initiator system comprising from 0.1 to 8.0 mole percent of sulfur dioxide, from 0.1 to 2.0 mole percent of a hydroperoxide which is soluble in the reaction medium and from 0.01 to 1.0 mole percent of an acid which is soluble in the reaction system in that polymerization is carried out continuously and in that an average residence time of from 10 minutes to 2 hours is maintained.

REFERENCES:
patent: 3879360 (1975-04-01), Patron et al.
patent: 3959240 (1976-05-01), Console et al.

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