Method of dyeing cellulose fiber-containing structures

Details Method of dyeing cellulose fiber-containing structures Method of dyeing cellulose fiber-containing structures

1979-10-25

1981-09-01

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Diffusion transfer dyeing process, transfer sheet and product

Dry heat treatment for penetration

8542, 8654, 8657, 8918, C09B 6200

Patent

active

042869587

ABSTRACT:
This invention provides a method of dyeing a fibrous structure containing cellulose fibers. The method includes the steps of impregnating the fibrous structure with an alkaline compound in an amount of from 1 to 20% by weight based on the weight of the fibrous structure and with a modifying agent, the molar ratio of the alkaline compound to the modifying agent being 0.1 to 2.0, and the modifying agent being a compound of the formula ##STR1## where X is --H, --NO.sub.2, --CH.sub.3, or --SO.sub.2 Cl; effecting chemical modification of the impregnated fibrous structure by heat-treating it under steaming or dry heating conditions; and then dyeing the modified fibrous structure with a dye such as a disperse dye.

REFERENCES:
patent: 1679480 (1928-08-01), Leemann et al.
patent: 4113431 (1978-09-01), Terada
patent: 4142853 (1979-03-01), Terada et al.
Textile Printing Note 17 (Japan), 1978, vol. 30, (No. 13), pp. 129-130.
Heuser et al., J. Amer. Chem. Soc., 1950, 72, pp. 670-674.
Schwenker et al., Textile Research Journal, 1962, 32 (No. 9), pp. 797-804.
Schwenker et al., Textile Research Journal, 1963, 33 (No. 2), pp. 107-117.

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