Process for the coloration of linear polyesters in the melt with

Details Process for the coloration of linear polyesters in the melt with Process for the coloration of linear polyesters in the melt with

1982-11-02

1984-03-13

Pertilla, Theodore E.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524242, 524358, 524599, 524605, C08L 6702

Patent

active

044368526

ABSTRACT:
A process for coloring linear polyesters in the melt in navy blue and dark blue shades, which process comprises using, as colorant, a mixture consisting of 0.2 to 1% by weight of perylenetetracarboxylic acid bis-methylimide, based on the amount of polyester, and a blue polymer-soluble colorant.

REFERENCES:
patent: 3104233 (1963-09-01), Altermatt
patent: 3112289 (1963-11-01), Stocker
patent: 3372138 (1968-03-01), Bowman et al.
patent: 4141881 (1979-02-01), Babler

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