AZO Dyes from 2-sulfonated, sulfated or thiosulfated organothiot

Details AZO Dyes from 2-sulfonated, sulfated or thiosulfated organothiot AZO Dyes from 2-sulfonated, sulfated or thiosulfated organothiot

1982-06-01

1983-10-04

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260141, 260154, 260156, 260157, 260158, 548135, C09B 29049, C09B 2908, C09B 2936, C09B 2944

Patent

active

044077491

ABSTRACT:
Disclosed are azo dyes having the general formula ##STR1## in which A is the residue of an aniline, tetrahydroquinoline or benzomorpholine disperse dye coupling component, R is a divalent organic radical such as straight or branched, lower or cyclic aliphatic or arylene, each of which may be substituted, Z is SO.sub.3, SO.sub.4 or SSO.sub.3, and M is hydrogen, an alkali metal or ammonium. These dyes produce orange to bluish red shades and exhibit one or more improved properties such as dyeability, light fastness, blooming, pH stability, build, and the like on, for example, polyamide, wool, and cellulose ester fibers.

REFERENCES:
patent: 3221006 (1965-11-01), Moore et al.
patent: 3441554 (1969-04-01), Hahn et al.
patent: 3468873 (1969-09-01), Meininger et al.
patent: 3621007 (1971-11-01), Hahn et al.
patent: 3657187 (1972-04-01), Weaver et al.
patent: 3657215 (1972-04-01), Weaver et al.
patent: 3762861 (1973-10-01), Weaver et al.
patent: 3770370 (1973-11-01), Weaver et al.
patent: 4046754 (1977-07-01), Meininger et al.
patent: 4070352 (1978-01-01), Maner et al.

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