Bleaching and dyeing; fluid treatment and chemical modification – Confined gas phase superatmospheric pressure dyeing process – Steam
Patent
1979-08-08
1981-04-28
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Confined gas phase superatmospheric pressure dyeing process
Steam
8532, 8543, 8638, 8918, 8934, D06P 366
Patent
active
042643210
ABSTRACT:
A process is disclosed for the pad-dyeing or printing of web-like textiles consisting totally or partially of cellulose fibers, with aqueous padding liquors or printing pastes containing one or several reactive dyes and optionally, thickening and padding auxiliaries, the starting pH values of the liquors and pastes being in the slightly acid range, which comprises fixing the padded or printed dyestuffs, without the addition of alkalis or alkali-yielding agents, by subjecting the dyestuffs to high-pressure steam or high temperature steam or dry heat.
REFERENCES:
patent: 3767356 (1973-10-01), Turner
patent: 3795481 (1974-03-01), von der Eltz et al.
patent: 4078885 (1978-05-01), Opitz et al.
Clingman A. Lionel
Hoechst Aktiengesellschaft
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