Thermoplastic polyesters and processes for their manufacture

Details Thermoplastic polyesters and processes for their manufacture Thermoplastic polyesters and processes for their manufacture

1977-05-09

1978-08-22

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

C08G 6368

Patent

active

041088417

ABSTRACT:
Thermoplastic polyesters which are more stable to heat and have good properties in use and during processing are obtained with dicarboxylic acids containing N,N-heterocyclic rings when the alkylene group which bonds the carboxyl groups to the N atoms contains at least 3 C atoms.

REFERENCES:
patent: 3856754 (1974-12-01), Habermeier et al.
patent: 3860564 (1975-01-01), Habermeier et al.
patent: 3985711 (1976-12-01), Cohen et al.
patent: 3997510 (1976-12-01), Habermeier
patent: 4038255 (1977-07-01), Habermeier

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