Uniformly dyed water-swellable cellulosic fibers

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

1977-10-31

1979-04-24

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 21C, 8 542, 8 93, 260156, C09B 2700, C09B 2922

Patent

active

041509439

ABSTRACT:
Uniformly dyed water-swellable cellulosic fibers which are fast to washing, dry-cleaning, sublimation and light and have been produced by contacting water-swellable cellulose fibers sequentially or concomitantly with water, ethylene glycol or a derivative thereof and, while the fibers are still swollen, an essentially water-insoluble dye of the formula ##STR1## in which D is the radical of a diazo component;

REFERENCES:
patent: 3706525 (1972-12-01), Blackwell et al.
patent: 3853895 (1974-12-01), Lamm et al.
patent: 3998802 (1976-12-01), Dehnert et al.
patent: 4042578 (1977-08-01), Dehnert et al.
patent: 4049377 (1977-09-01), Schwab et al.
Venkataraman, K., "The Chemistry of Synthetic Dyes", vol. VIII, (Academic Press), 1978, pp. 179-180.

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