Colored polyester compositions

Details Colored polyester compositions Colored polyester compositions

1984-07-16

1985-06-04

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524239, 524240, 524242, 524285, 524288, 524605, C08K 516

Patent

active

045215561

ABSTRACT:
Colored polyester compositions suitable for formulation into sheets, films, fibers and containers comprising linear thermoplastic polyesters derived from a diol and unpurified terephthalic acid, and containing a color-forming component. The diol can be one or more diols wherein at least a major portion of which is ethylene glycol. The color-forming component can be one or more colorants compatible with the polyester including certain copolymerizable anthraquinone dyes, such as 1,5-bis(2-carboxyphenylthio)anthraquinone and/or 1,5-bis(o-carboxyanilino)anthraquinone.

REFERENCES:
patent: 4000158 (1976-12-01), Tobel
patent: 4051178 (1977-09-01), Kimura et al.
patent: 4359570 (1982-11-01), Davis et al.

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