Process for producing acrylonitrile polymer melt employing H.sub

Details Process for producing acrylonitrile polymer melt employing H.sub Process for producing acrylonitrile polymer melt employing H.sub

1977-02-22

1978-03-21

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526328, 526341, 526342, C08F 430, C08F 2010, C08F 2044

Patent

active

040804941

ABSTRACT:
An improved process for producing an acrylonitrile melt by polymerizing acrylonitrile alone or a monomer mixture consisting of at least 75% of acrylonitrile and as the remainder at least one different ethylenically unsaturated compound in a system where water is present in an amount from 3 to 80% by weight based on the total amount of the monomer(s) and water, under a pressure above the self-generated pressure at a temperature above 80.degree. C. The improvement is characterized by the use of hydrogen peroxide as the polymerization initiator.

REFERENCES:
patent: 3673168 (1972-06-01), Burke et al.
patent: 3686112 (1972-08-01), Vrancken et al.
patent: 3873508 (1975-03-01), Turner

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