Disperse dyes from 2-halo-4,6-dinitroaniline and 2(2'-alkoxy-5'-

Details Disperse dyes from 2-halo-4,6-dinitroaniline and 2(2'-alkoxy-5'- Disperse dyes from 2-halo-4,6-dinitroaniline and 2(2'-alkoxy-5'-

1977-10-05

1980-01-01

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 2926

Patent

active

041816536

ABSTRACT:
Disclosed are disperse dyes comprising a chloro- or bromodinitroaniline azo moiety and a particular group of 2(2'-alkoxy-5'-alkanoylaminoanilino)alkane couplers. These dyes give exceptional color depth and brightness, shade permanency on heat setting, build, leveling, barre coverage, dye exhaustion and dyeing rate on fibers of polyester, cellulose acetate, cellulose triacetate, and polyamide (nylon) over widely varying dyeing conditions of, for example, temperature and pressure. The dyes exhibit blue shades with excellent colorfastness properties on polyester fibers and have excellent dyeability by heat fixation (Thermosol) or exhaust (boil and pressure) methods of application on this substrate. Uniform dyeability under a wide variety of conditions is an exceptional feature of the present dyes.

REFERENCES:
patent: 2155755 (1939-04-01), Felix et al.
patent: 2469682 (1949-05-01), Dickey
patent: 3250763 (1966-05-01), Gies et al.
patent: 3692769 (1972-09-01), Weaver et al.

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