Exhaust process for the dyeing of synthetic organic textile mate

Details Exhaust process for the dyeing of synthetic organic textile mate Exhaust process for the dyeing of synthetic organic textile mate

1976-04-09

1977-03-22

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41C, 8179, 8 94A, C09B 2700, C09B 4548

Patent

active

040134083

ABSTRACT:
A process for dyeing synthetic organic textile material in navy blue to black shades, by the exhaust process, from halogenated hydrocarbons, which process comprises the use of at least one diazo dyestuff of formula 1a ##STR1## IN ADMIXTURE WITH THE MONOAZO DYESTUFF OF FORMULA II ##STR2## or with the anthraquinone dyestuff mixture of formula III ##STR3## wherein R.sub.3 represents a mixture of H and --CH.sub.2 --CH.sub.2 --S--CH.sub.2 --CH.sub.2 --OH, and in addition a small amount of the disazo dyestuff of formula IV ##STR4## or of formula V ##STR5##

REFERENCES:
patent: 3122410 (1964-02-01), Mueller et al.
patent: 3253876 (1966-05-01), Wilcox et al.
patent: 3413075 (1968-11-01), Rotcop et al.
patent: 3874847 (1975-04-01), Ohkawa et al.
patent: 3958287 (1976-05-01), Okaniwa et al.
patent: 3972676 (1976-08-01), Liechti et al.

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