Process for producing an acrylonitrile polymer melt

Details Process for producing an acrylonitrile polymer melt Process for producing an acrylonitrile polymer melt

1978-07-25

1980-12-02

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 296AN, 526 88, 5263293, 526341, C08F 2044, C08F 430, C08F22014

Patent

active

042372569

ABSTRACT:
In a process for producing an acrylonitrile polymer melt in a substantially melted state by polymerizing a monomer mixture containing acrylonitrile in the presence of water at elevated temperature under increased pressure, the polymerization is carried out continuously using a persulfate as the polymerization initiator and under a particular forced stirring as defined in the specification. This process effectively suppresses runaway polymerization reaction, facilitates the melting of the resulting polymer, and in addition produces in an industrially advantageous manner a melt of an acrylonitrile polymer having a moderate molecular weight.

REFERENCES:
patent: 3634370 (1972-01-01), D'Alelio
patent: 3873508 (1975-03-01), Turner
patent: 4049605 (1977-09-01), Kobashi et al.
patent: 4062857 (1977-12-01), Kobashi et al.
patent: 4080494 (1978-03-01), Ozaki et al.

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