Process for preparation of polymers containing dicarboxylic acid

Details Process for preparation of polymers containing dicarboxylic acid Process for preparation of polymers containing dicarboxylic acid

1984-12-03

1986-10-21

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

252 851, 525379, C08F 836, C08F 832

Patent

active

046186557

ABSTRACT:
An improved process for producing polymers containing styrene moieties and cyclic imide moieties by reacting a styrene/maleic anhydride copolymer with a primary amine is improved by conducting the reaction in a heterogeneous slurry of polymer and amine reactants with an aromatic hydrocarbon dispersing agent having a boiling point above 120.degree. C. and simultaneously removing water formed as the reaction proceeds.

REFERENCES:
patent: 2475886 (1949-07-01), Goebel
patent: 3803087 (1974-04-01), Vaughn
patent: 4478727 (1984-10-01), Turner

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