Exhaust dyeing process for sulphur dyes

Details Exhaust dyeing process for sulphur dyes Exhaust dyeing process for sulphur dyes

1997-01-28

1999-02-23

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Inorganic additive for dye composition, dye composition...

Nitrogen

8650, 8652, 8561, 8918, D06P 130

Patent

active

058739122

ABSTRACT:
Improved processes for the exhaust dyeing of cellulosic fibers with sulphur dyes in the presence of non-sulphide reducing agents wherein the dyeing of the textile substrate is performed in a closed vessel in an atmosphere of reduced oxygen level and then oxidizing.

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patent: 5611822 (1997-03-01), Gurley
patent: 5632782 (1997-05-01), Carlough

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