Azo dyes from 2-amino-5-cyanomethylthio-1,3,4-thiadiazole and an

Details Azo dyes from 2-amino-5-cyanomethylthio-1,3,4-thiadiazole and an Azo dyes from 2-amino-5-cyanomethylthio-1,3,4-thiadiazole and an

1984-05-03

1985-07-09

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534775, 534777, 534795, 548130, C09B 29048, C09B 2909, C09B 2944, D06P 118

Patent

active

045283680

ABSTRACT:
This invention relates to new azo dyes derived from 2-amino-5-cyanomethylthio-1,3,4-thiadiazole and aniline and tetrahydroquinoline couplers which may be extensively substituted. The dyes impart orange to violet shades on hydrophobic fibers, including polyesters, polyamides, and cellulose esters. They are of the particular interest for dyeing textured polyester fibers and have excellent properties such as fastness to light and sublimation.

REFERENCES:
patent: 3493556 (1970-02-01), Weaver et al.
patent: 3631020 (1971-12-01), Weaver et al.
patent: 3639384 (1972-02-01), Weaver et al.
patent: 3639385 (1972-02-01), Weaver et al.
patent: 3657215 (1972-04-01), Weaver et al.
patent: 3660374 (1972-05-01), Weaver et al.
patent: 3673169 (1972-06-01), Weaver et al.
patent: 3762861 (1973-10-01), Weaver et al.
patent: 4302390 (1981-11-01), Giles et al.

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