Process for the aqueous dyeing of natural polyamide fibres using

Details Process for the aqueous dyeing of natural polyamide fibres using Process for the aqueous dyeing of natural polyamide fibres using

1988-09-21

1990-06-19

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

8549, 8582, 8588, 8597, 8599, 8604, 8606, 8609, 8681, 8687, 8696, 8917, D06P 161, D06P 310, C09B 6209

Patent

active

049350331

ABSTRACT:
Natural polyamide fibres, in particular wool, are dyed by means of reactive dyes using the exhaust method in the presence of a dyeing assistant consisting of a combination of (a) quaternized ammonium compounds of polyglycol compounds and (b) of acidic esters or salts thereof derived from at least dibasic oxyacids and from polyglycol compounds, both the quaternary ammonium compounds and the acidic esters being derived from an aliphatic amine having 12 to 24 carbon atoms in the aliphatic moiety. The process comprises carrying out the dyeing in the additional presence of (c) a fatty alcohol/polyalkylene glycol ether of the formula

REFERENCES:
patent: 3529922 (1970-09-01), Berger et al.
patent: 4713482 (1987-12-01), Topfl et al.
patent: 4778919 (1988-10-01), Topfl

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