Acrylic polymers having a high swellability in water

Details Acrylic polymers having a high swellability in water Acrylic polymers having a high swellability in water

1981-03-04

1982-06-29

Hamrock, William F.

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

Synthetic resins

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

525369, 525378, C08F 812

Patent

active

043373283

ABSTRACT:
This invention relates to a process for the preparation of acrylic polymers which are at least for the most part insoluble in water and have a high swellability in water, by reacting polyacrylonitrile or copolymers based on acrylonitrile at a temperature exceeding 100.degree. C. with aqueous-alkaline solutions which may contain an organic solvent which is miscible with water.

REFERENCES:
patent: 2812317 (1957-11-01), Barrett
patent: 2861059 (1958-11-01), Mowry
patent: 3850898 (1974-11-01), Ide et al.

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