Water-soluble dyestuffs readily convertible into insoluble form

Details Water-soluble dyestuffs readily convertible into insoluble form Water-soluble dyestuffs readily convertible into insoluble form

1971-06-28

1976-08-03

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260155, 260158, 260160, 260163, 260187, 260191, 260207, 2602071, 260283S, 2603145, 260376, 260377, 260455A, 260553D, 260243R, C09B 136, C09B 138, D06P 352

Patent

active

039729044

ABSTRACT:
Water-soluble dyestuffs of the general formula ##EQU1## WHEREIN F represents the radical of a water-insoluble anthraquinone dyestuff, X represents an oxygen atom, a sulfur atom or a nitrogen atom which is substituted by a hydrogen atom, a lower alkyl, phenyl, lower acyl or sulfonyl group and Me represents an alkali metal or ammonium ion made by solubilizing insoluble dyestuffs which may be indigo, nitro, azo, imide, anthraquinone, oxazine, thiazine, dioxazine, quinoline, methine, polymethine or phthalocyanine dyestuffs. The water-soluble dyestuffs are adapted to be used in dyeing and printing synthetic fibers and are characterized by the fact that they can easily be converted during the process of dyeing to the original water-insoluble dyestuffs by the influence of heat. They are especially useful for the dyeing of polyester in which material they yield deep dyeings.

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patent: 3213079 (1965-10-01), Maderni et al.
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patent: 3261827 (1966-07-01), Boresch et al.
patent: 3429870 (1969-02-01), Carati et al.
patent: 3544548 (1970-12-01), Gunther et al.
patent: 3585033 (1971-06-01), Desjarlais
patent: 3617163 (1971-11-01), Kalopissis et al.
patent: 3631020 (1971-12-01), Weaver et al.
patent: 3636065 (1972-01-01), Guye-Vuilleme
patent: 3705914 (1972-12-01), Pickles et al.
Graf, Ber. Deut. Chem. Gesell., vol. 96, pp. 56-67.

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