Novel block copolymers including acrylonitrile sequences and seq

Details Novel block copolymers including acrylonitrile sequences and seq Novel block copolymers including acrylonitrile sequences and seq

1982-02-08

1983-01-25

Seccuro, Carman J.

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

Synthetic resins

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

525280, 525296, 525374, 525379, 5253271, 5253284, C08F22048, C08F29300

Patent

active

043704514

ABSTRACT:
There is disclosed novel block copolymers formed of acrylonitrile sequences and sequences containing at least about 50 mole percent of acrylamide units and at most about 50 mole percent organo-substituted amide units and formed by reacting a block copolymer having acrylonitrile sequences and sequences of glutarimide units with a low molecular weight compound having a functional group selected from the group consisting of primary amino and secondary amino group. The reaction is effected at a pH of about 7.5 and higher, preferably in the presence of a solvent and/or swelling agent.

REFERENCES:
patent: 2940952 (1960-06-01), Miller
patent: 3897382 (1975-07-01), Stoy et al.
patent: 3926930 (1975-12-01), Ohfuka et al.
patent: 3948870 (1976-04-01), Stoy et al.
patent: 4169924 (1979-10-01), Barabas et al.

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