Bleaching and dyeing; fluid treatment and chemical modification – Multiple chemically diverse fibers or fibers with different... – Polyster fiber and wool or silk fiber
Patent
1979-11-01
1981-12-08
Tungol, Maria P.
Bleaching and dyeing; fluid treatment and chemical modification
Multiple chemically diverse fibers or fibers with different...
Polyster fiber and wool or silk fiber
8543, 8549, 8934, 8608, 8619, 8917, 8930, D06P 138, D06P 1384, D06P 3872
Patent
active
043045669
ABSTRACT:
A process for the dyeing of textiles consisting of wool without anti-felt finish or wool having an anti-felt finish in the form of a coating of a polyimine resin or a polyacrylic resin, or textiles containing such wool, with reactive dyes according to the exhaust method, which comprises dyeing said textiles in aqueous dyeing baths containing at least one commercial reactive dyestuff the starting pH of which is in the weakly acidic to neutral range, by heating rapidly to the dyeing temperature of 110.degree. to 125.degree. C. immediately after addition of the dissolved dyestuff, and by dyeing at this temperature for 10 to 20 minutes, while omitting the addition of pH-regulating substances during the whole dyeing operation.
REFERENCES:
patent: 2869969 (1959-01-01), Schulze
patent: 3930795 (1976-01-01), Fuchs et al.
patent: 4063877 (1977-12-01), Elliot et al.
patent: 4115457 (1978-09-01), Wiedemann
patent: 4219332 (1980-08-01), Abel et al.
Von Bergen, W. Wool Handbook, vol. 2, pp. 690-691, Interscience Publ., N.Y. 1970.
Lehinant Armand
Lehmann Joachim W.
Maier Hans-Peter
von der Eltz Hans-Ulrich
Hoechst Aktiengesellschaft
Tungol Maria P.
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