Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Fats – higher fatty acids or esters – oils or waxes – other...
Patent
1980-12-30
1982-07-20
Tungol, Maria Parrish
Bleaching and dyeing; fluid treatment and chemical modification
Organic additive for dye composition, dye composition...
Fats, higher fatty acids or esters, oils or waxes, other...
8586, 8636, 8159, D06P 700, D06P 500
Patent
active
043403875
ABSTRACT:
An improved process for dyeing of fibre material, especially textile fibres, by applying to the fibre material at a temperature below the absorption temperature of the dyestuffs and with a goods-to-liquor ratio of 1:1.5 to 1:4, a concentrated aqueous dye liquor, said concentrated aqueous dye liquor containing at least one dyestuff which, in the case of the substrate to be dyed, has affinity to the fibres and which is either soluble or dispersible in water, and 0.2 to 10 g/l, preferably 2 to 5 g/l, of a surface-active agent, and finishing of the dyeing by means of a heat treatment, e.g. introduction of saturated steam, superheated steam or hot air, preferably by heating from without, at temperatures of 95.degree. to 140.degree. C.
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Evans David G.
Leutenegger Willi
Zurbuchen Jacques
Ciba-Geigy Corporation
McC. Roberts Edward
Tungol Maria Parrish
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