Process for dyeing or printing blends of cellulosic fibre materi

Details Process for dyeing or printing blends of cellulosic fibre materi Process for dyeing or printing blends of cellulosic fibre materi

1990-09-18

1992-03-03

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Multiple chemically diverse fibers or fibers with different...

8543, 8661, 8662, 8685, 8687, 8917, 8918, D06P 382, D06P 138

Patent

active

050929038

ABSTRACT:
The invention relates to a process for dyeing or printing blends of cellulosic fibre materials and silk with reactive dyes, which process comprises impregnating said blends with reactive dyes of formula ##STR1## wherein D is the radical of a sulfonated dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl, Y is a radical ##STR2## m is 1 or 2 and X is chloro or bromo, subjecting the impregnated goods to an optional aftertreatment, and steaming the dyed goods to fix the dyes on the blend. Very good tone-in-tone dyeings and prints are obtained.

REFERENCES:
patent: 4444564 (1984-04-01), Salathe et al.
patent: 4557731 (1985-12-01), Sasakura et al.
patent: 4560388 (1985-12-01), Rohrer
patent: 4568350 (1986-02-01), Rohrer
patent: 4693726 (1987-09-01), Meininger et al.
patent: 4908436 (1990-03-01), Scheibli
patent: 4917705 (1990-04-01), Mausezahl et al.

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