Rapid exhaust process for dyeing wool with reactive dyes: acid a

Details Rapid exhaust process for dyeing wool with reactive dyes: acid a Rapid exhaust process for dyeing wool with reactive dyes: acid a

1986-12-16

1988-04-12

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

8400, 8533, 8549, 8917, D06M 1526, D06P 138, D06P 314

Patent

active

047371579

ABSTRACT:
The level dyeing of wool with reactive dyes and simultaneous endeavors to shorten the dyeing process appear to be incompatible. It has now been found, according to the invention, that in the course of the exhaustion process it is possible through metered addition of the acid required for fixation over a prolonged period to the dyebath which is already at the dyeing temperature and contains no acidic fixing agent to obtain a shortening in the total treatment time while at the same time safeguarding the levelness of the dyeings.

REFERENCES:
patent: 3890091 (1975-06-01), Cathelin et al.
patent: 3930795 (1976-01-01), Fuchs et al.
patent: 3937611 (1976-02-01), Fuchs et al.
patent: 4304566 (1981-12-01), von der Eltz et al.
patent: 4444564 (1984-04-01), Salathe et al.

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