Colored polyester compositions

Details Colored polyester compositions Colored polyester compositions

1992-11-02

1994-01-25

Knight, III, John

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

Synthetic resins

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

525 50, 525132, 525151, 525165, 525178, 525420, 525437, C08J 320, C08G 6300, C08L 2300, C08L 7700

Patent

active

052816591

ABSTRACT:
Provided are polyester compositions having thermally stable colorants copolymerized therein, said colorants comprised of at least one electron-rich aromatic moiety attached to a negatively substituted 2,5-dioxypyrrolin-3-yl moiety and containing at least one, and preferably, two polyester reactive groups. Also provided are polyester color concentrates and blends of the colored polyester compositions with other thermoplastic polymers and shaped or formed articles comprised of same.

REFERENCES:
patent: 2762810 (1956-09-01), Heckert
patent: 3013013 (1961-12-01), Carboni
patent: 3096339 (1963-07-01), Martin
patent: 4018796 (1077-04-01), Harnisch
patent: 4267306 (1981-05-01), Davis et al.
patent: 4359570 (1982-11-01), Davis et al.
patent: 4373102 (1983-02-01), Neumann et al.
patent: 4403092 (1983-09-01), Davis et al.
patent: 4617373 (1986-10-01), Pruett et al.
patent: 4684271 (1987-08-01), Wellman et al.
patent: 5011811 (1991-04-01), Shuttleworth et al.
E. L. Martin et al., J. Org. Chem., 26, 2032, Jun. 1961.
R. W. Wiley & S. C. Slaymaker, J. Am. Chem. Soc., 80, 1385, Mar. (1958).

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