Disperse dyes from 2-cyano-4,6-dinitroaniline and selected 2(2'-

Details Disperse dyes from 2-cyano-4,6-dinitroaniline and selected 2(2'- Disperse dyes from 2-cyano-4,6-dinitroaniline and selected 2(2'-

1976-11-15

1978-02-28

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 2926, D06P 118, D06P 354

Patent

active

040767060

ABSTRACT:
Disclosed are disperse dyes comprising a cyanodinitroaniline azo moiety and a particular group of 2(2'-alkoxy-5'-acylamidoanilino)alkane couplers. These dyes give exceptional color depth and brightness, shade permanancy on heat setting, build, leveling, barre coverage, dye exhaustion and dyeing rate on polyester fiber 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: 3250763 (1966-05-01), Gies et al.
patent: 3637653 (1972-01-01), Von Brachel et al.

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