Dyeing and printing of cellulosic fibre materials with vat dyes

Details Dyeing and printing of cellulosic fibre materials with vat dyes Dyeing and printing of cellulosic fibre materials with vat dyes

1989-07-27

1990-08-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Ketone

8650, 8652, 8653, 8918, C09B 700, C09B 6700, D06P 124, D06P 360

Patent

active

049503065

ABSTRACT:
Process for dyeing and printing cellulosic fiber materials with vat dyes in the presence of enediols as reducing agents and alkali, using in addition small amount of organic water-miscible solvents, for example low molecular weight alcohols, when reducing the vat dyes. The vatting of the vat dyes proceeds uniformly and completely within a relatively short time, and the resulting vat dyes are reproducible and notable for high levelness and fastness properties.

REFERENCES:
patent: 3883299 (1975-05-01), Baumgarte et al.
patent: 4526701 (1985-07-01), Rubin

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