Acrylonitrile polymerization in fluorinated hydrocarbons

Details Acrylonitrile polymerization in fluorinated hydrocarbons Acrylonitrile polymerization in fluorinated hydrocarbons

1979-09-20

1981-03-10

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 326N, 5263293, 526341, C08F 440

Patent

active

042555469

ABSTRACT:
The invention relates to a process for the production of polyacrylonitrile or acrylonitrile copolymers, the polymerization being carried out at a temperature of from -40.degree. to +60.degree. C. optionally under pressure in an aliphatic chlorofluorine or fluorine substituted hydrocarbon containing up to 8 carbon atoms and having a boiling point of from -60.degree. to +50.degree. C. or in mixtures thereof having boiling ranges of from -60.degree. to +50.degree. C. and using a starter system comprising a hydroperoxide sulphur dioxide and an acid. The system may also contain aliphatic hydrocarbons in such quantities that a non-inflammable mixture is formed.

REFERENCES:
patent: 2837559 (1958-06-01), Fields

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