Process for producing high molecular weight acrylonitrile polyme

Details Process for producing high molecular weight acrylonitrile polyme Process for producing high molecular weight acrylonitrile polyme

1984-03-26

1985-09-10

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526202, 5262196, 5262195, 526341, 526342, C08F 200

Patent

active

045407541

ABSTRACT:
In the suspension polymerization of acrylonitrile in an aqueous medium, the polymerization is conducted in the presence of a water-soluble polymer and an oil soluble radical initiator while maintaining the acrylonitrile concentration higher than 9 weight percent in the polymerization system, whereby the polymerization of acrylonitrile in the water phase is suppressed and a high molecular weight polymer (weight average molecular weight not less than 400,000) having uniform particle diameters is produced.

REFERENCES:
patent: 3201375 (1965-08-01), Finestone et al.
patent: 3962196 (1976-06-01), Weimer et al.
patent: 4197400 (1980-04-01), Wollrab et al.
patent: 4352916 (1982-10-01), Landoll

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