Polypyrrolidone alloys

Details Polypyrrolidone alloys Polypyrrolidone alloys

1978-08-04

1981-01-06

Lieberman, Paul

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

Synthetic resins

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

525432, C08L 7702

Patent

active

042437776

ABSTRACT:
Intimate alloys of polypyrrolidone and hydrophobic linear polyesters and polyamides and processes for preparing such alloys. The intimate alloys comprise a major portion of polypyrrolidone and a minor amount of certain hydrophobic linear polymer additive and are characterized by improved fiber-textile properties. The intimate alloys are prepared by coprecipitation or by polymerizing polypyrrolidone from a mixture containing 2-pyrrolidone, alkaline catalyst and finely divided polymer additive.

REFERENCES:
patent: 3097181 (1963-07-01), Glickman
patent: 3683046 (1972-08-01), Jarovitsky
patent: 3721652 (1973-03-01), Barnes
patent: 4151221 (1979-04-01), Backsal

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