Stabilized polypyrrolidone composition

Details Stabilized polypyrrolidone composition Stabilized polypyrrolidone composition

1980-12-29

1983-05-10

Anderson, Harold D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524196, 524386, 524387, 525419, 525420, 528315, 528326, 264176F, C08J 320, C08L 7702, C08G 6948

Patent

active

043830650

ABSTRACT:
Poly-2-pyrrolidone polymer compositions having improved melt processability via the capping of at least a portion of the amino and/or carboxy end group of the polymer and the incorporation therewith of certain epoxide organic isocyanate and/or polyol additive compositions. The melt extrusion of such compositions is also disclosed.

REFERENCES:
patent: 3009893 (1961-11-01), Barnes et al.
patent: 3026301 (1962-03-01), Ney
patent: 3042659 (1962-07-01), Follett
patent: 4071486 (1978-01-01), Parker
patent: 4076696 (1978-02-01), Neafsey
patent: 4261881 (1981-04-01), Woo

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