Process for the mass coloration of linear polyesters

Details Process for the mass coloration of linear polyesters Process for the mass coloration of linear polyesters

1978-09-15

1980-11-04

Person, S. M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

544 99, 548327, 260322, C08K 523, C08K 534, C08K 535, C08K 545

Patent

active

042319188

ABSTRACT:
A process for the mass coloration of linear polyesters wherein the colorant is a mixture of consisting of 0.05 to 0.35% by weight, based on the amount of polyester, of a thioindigo and/or dioxazine pigment and one or more polymer-soluble dyes which are different therefrom. Unexpectedly brilliant strong colorations of excellent lightfastness are obtained.

REFERENCES:
patent: 2571319 (1951-10-01), Waters et al.
patent: 3009913 (1961-11-01), Pugin et al.
patent: 3793341 (1974-02-01), Genta
patent: 3929719 (1975-12-01), Pugin et al.
patent: 3963429 (1976-06-01), Tsujimoto et al.

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