Process for dyeing cellulosic textiles with vat and sulfur dyes

Details Process for dyeing cellulosic textiles with vat and sulfur dyes Process for dyeing cellulosic textiles with vat and sulfur dyes

1976-04-26

1978-09-12

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 37, 8 38, 8 542, 8 89R, 8 93, C09B 900, C09B 4900, D06P 122

Patent

active

041134273

ABSTRACT:
The specification describes an improved process for dyeing cellulosic textiles with vat and sulfur dyes using a reducing agent composition which has been stabilized against aerobic and anaerobic decomposition. This specification describes also the reducing agent composition which comprises sodium dithionite and a critical amount of sodium hydroxymethanesulfinate.

REFERENCES:
patent: 3000688 (1961-09-01), Schubert et al.
patent: 3118724 (1964-01-01), Goerrig et al.
patent: 3171711 (1965-03-01), Alsberg et al.
patent: 3265459 (1966-08-01), Schober et al.
patent: 3798172 (1974-03-01), Etters
patent: 3804944 (1974-04-01), Kise et al.
patent: 3839217 (1974-10-01), Owen et al.
patent: 3839218 (1974-10-01), Owen et al.
Textile World, Mar. 1961, p. 82.
M. R. Fox, "Vat Dyestuffs and Vat Dyeing" (John Wiley, New York, 1948) pp. 37-38.
Brearley and Starkie, J. Soc. Dyers and Col., Aug. 1948, pp. 278-283.

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