Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1978-01-26
1980-03-04
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 21A, 8 22, 8 88, 8 89R, 8 90, 8 92, 8 93, D06P 100, D06P 139
Patent
active
041915321
ABSTRACT:
Disclosed is a liquid dye concentrate for dilution down to form a dyebath for the dyeing of blend substrates comprising acid and cationic dyeable fibres, which concentrate comprises at least one acid dye, at least one cationic dye and, as auxiliary agents, a nonionic or anionic polyglycol ether, or a mixture thereof, and a cationic, amino group containing polyglycol ether, other preferred optional additives being a low molecular weight carboxylic acid, such as acetic or formic, and one or more aliphatic C.sub.6-16 alcohols, particularly for viscosity stabilization and/or foam inhibition. Also disclosed is a dyeing process employing such a concentrate in dilute form.
Fricker Rene
Gross Rolf
Clingman A. Lionel
Doyle Thomas C.
Sandoz Ltd.
Sharkin Gerald D.
Vila Richard E.
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