Uniformly dyed water-swellable cellulosic fibers

Details Uniformly dyed water-swellable cellulosic fibers Uniformly dyed water-swellable cellulosic fibers

1977-02-28

1978-04-11

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 21C, 8 39R, 8 542, 8 93, 260152, C09B 2700, C09B 6700

Patent

active

040836860

ABSTRACT:
Uniformly dyed water-swellable cellulosic fibers obtained by dyeing cellulosic fibers, in the swollen state, with a dye of the formula ##STR1## where D is a radical of a diazo component of the aniline, aminoazobenzene, aminophthalimide, aminonaphthalimide, anthraquinone or benzanthrone series, R is alkyl of 1 to 4 carbon atoms or phenyl which is unsubstituted or substituted by chlorine, bromine, methyl, methoxy or ethoxy and R.sup.1 is phenyl which is unsubstituted or substituted by chlorine, bromine, methyl, ethyl, methoxy, ethoxy, benzyloxy, phenoxy, chlorophenoxy, unsubstituted or N-substituted carbamoyl or sulfamoyl, unsubstituted or N-substituted phthalimidyl, alkoxycarbonyl of 1 to 8 carbon atoms, cyano or phenylsulfonyl.

REFERENCES:
patent: 3706525 (1972-12-01), Blackwell et al.
patent: 3707348 (1972-12-01), Blackwell et al.
patent: 3888624 (1975-06-01), Blackwell et al.
patent: 4049377 (1977-09-01), Schwabe

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