Process for the preparation of water-insoluble azo dyes on the f

Details Process for the preparation of water-insoluble azo dyes on the f Process for the preparation of water-insoluble azo dyes on the f

1988-10-12

1990-03-06

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

8696, 8918, D06P 112, D06P 368, C09B 2901

Patent

active

049062506

ABSTRACT:
According to the procedures of the ice color dyeing technique, fiber materials, such as, for example, cellulose fiber materials, are dyed by coupling the fiber material bottomed with a coupling component in an aqueous medium with the diazonium compound of an aniline compound of the general formula (1) mentioned and defined below, the coupling reaction and dye formation on the fiber being carried out at a pH between 3 and 10 ##STR1## in which R stands for a straight-chain or branched alkyl group of 3 or 4 carbon atoms.

REFERENCES:
patent: 4306876 (1981-12-01), Hertel
E. R. Trotman, "Dyeing and Chemical Technology of Textile Fibres," (Wiley--Interscience), Sixth Edition, 1984, pp. 385-386.

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