Uniformly dyed water-swellable cellulosic fibers

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

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Details

8 542, 8 21C, 8 93, 260157, 260162, C09B 2936, C09B 2938, D06M 100, D06P 104

Patent

active

041673948

ABSTRACT:
Uniformly dyed water-swellable cellulosic fibers obtained by dyeing cellulosic fibers, in the swollen state, with a dye of the formula ##STR1## where X is hydrogen, chlorine, bromine, cyano, nitro, alkylsulfonyl of 1 to 4 carbon atoms, phenylsulfonyl, methoxy or ethoxy, Y is hydrogen, chlorine, bromine, cyano or nitro, Z is a radical of the formula ##STR2## Q is oxygen or sulfur, R.sup.1 is alkyl of 1 to 4 carbon atoms, methoxymethyl, phenoxymethyl or phenyl which is unsubstituted or substituted by chlorine, bromine, nitro, methyl, methoxy or ethoxy, R.sup.2 is hydrogen, methyl, ethyl, phenyl or phenyl substituted by chlorine, bromine or methyl, R.sup.3 is hydrogen, methyl or, if R.sup.2 is methyl, is C.sub.1 to C.sub.4 alkoxycarbonyl, R.sup.2 and R.sup.3 together with the linking carbon atoms are phenylene or phenylene substituted by chlorine, methyl, methoxy or ethoxy and K is a radical of a coupling component selected from the pyrazolone, pyrazole, indole, quinolone or homophthalimide series.

REFERENCES:
patent: 3152114 (1964-10-01), Siegel et al.
patent: 3398134 (1968-08-01), Ball et al.
patent: 3579498 (1971-05-01), Dunsworth
patent: 3706525 (1972-12-01), Blackwell et al.
patent: 3744967 (1973-07-01), Thackrah
patent: 3794463 (1974-02-01), Neumer
patent: 3988310 (1976-10-01), Gerlach et al.
patent: 4049377 (1977-09-01), Schwab et al.
patent: 4056354 (1977-11-01), Pittman et al.

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