Process for dyeing cotton with reactive dyes in weakly alkaline

Details Process for dyeing cotton with reactive dyes in weakly alkaline Process for dyeing cotton with reactive dyes in weakly alkaline

1981-10-28

1983-10-11

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Multiple chemically diverse fibers or fibers with different...

Polyester fiber and cellulose fiber

8549, 8618, 8918, D06P 167, D06P 366

Patent

active

044089970

ABSTRACT:
Cellulosic fabrics may be dyed by cold-dyeing reactive dyes under weakly alkaline conditions (0.2-1 g/l soda) at 60.degree.-80.degree. C. in the presence of moderate amounts of salt. This is advantageously used for the dyeing of mixed cotton/polyester substrates in a one-bath process with a mixture of reactive and disperse dyes.

REFERENCES:
patent: 3497309 (1970-02-01), Seltzer
patent: 3617168 (1971-11-01), Mack
patent: 3617169 (1971-11-01), Schulz
patent: 3767356 (1973-10-01), Turner
patent: 3807945 (1974-04-01), von der Eltz
patent: 4264321 (1981-04-01), von der Eltz
patent: 4277246 (1981-07-01), Lehinant et al.
patent: 4283193 (1981-08-01), Hildebrand
K. H. Hoppen, Dyers Digest, Jan. 1981, pp. 3, 4, 7 and 9.

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