Stabilized polypyrrolidone end capped with alkanolamine and proc

Details Stabilized polypyrrolidone end capped with alkanolamine and proc Stabilized polypyrrolidone end capped with alkanolamine and proc

1983-02-09

1984-03-06

Anderson, Harold D.

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

Synthetic resins

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

525419, 528315, 528326, C08G 6948

Patent

active

044355475

ABSTRACT:
Poly-2-pyrrolidone polymer and compositions having improved thermal stability via the capping of at least a portion of the amino and/or carboxy end group of the polymer and processes for preparing such polymers and compositions. The processes are characterized by the reaction of the polymer with alkanolamines and/or alkyl polyamines. The products afford improved melt processability.

REFERENCES:
patent: 3009893 (1961-11-01), Barnes et al.
patent: 3026301 (1962-03-01), Ney
patent: 3042659 (1962-07-01), Follett
patent: 4076696 (1978-02-01), Neafsey
International Union of Pure & Applied Chemistry, Nomenclature of Organic Chemistry, 1969, p. 252.

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