Method of modifying the dye affinity of cellulose fiber-containi

Details Method of modifying the dye affinity of cellulose fiber-containi Method of modifying the dye affinity of cellulose fiber-containi

1981-11-12

1983-07-12

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

8129, 8444, 8471, 8532, 8542, 8589, 8918, C09B 6200, D06P 522

Patent

active

043922651

ABSTRACT:
The method involves treating a cellulose fiber-containing structure with an alkaline agent, coating the structure with an acid chloride having the following formula: ##STR1## (wherein X is --H, --NO.sub.2, --CH.sub.3 or --SO.sub.2 Cl) and subjecting the resultant structure to heat treatment to cause chemical modification. The acid chloride is employed in the form of an emulsion in water. The emulsion may also contain a thickener such as a natural sizing agent or a dye. The method provides a more dyeable cellulose fiber-containing structure.

REFERENCES:
patent: 1679480 (1928-08-01), Leemann et al.
patent: 4113431 (1978-09-01), Terada et al.
patent: 4142853 (1979-03-01), Terada et al.
patent: 4286958 (1981-09-01), Fujiu et al.

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