Process for the preparation of copolymers containing nitrile gro

Details Process for the preparation of copolymers containing nitrile gro Process for the preparation of copolymers containing nitrile gro

1992-01-21

1993-06-22

Lipman, Bernard

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

Synthetic resins

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

5253305, 525378, C08F 830

Patent

active

052217183

ABSTRACT:
Copolymers containing nitrile groups based on ethylenically unsaturated monomers are prepared by reacting the copolymers on which they are based with ammonia at temperatures of from 150.degree. to 270.degree. C. and pressures from 30 to 350 bar in the presence of an aliphatic nitrile and/or dinitrile.

REFERENCES:
patent: 5006609 (1991-04-01), Buback et al.

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