Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1976-12-15
1978-09-19
Kight, III, John
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 4, 8 93, 8173, 28247, 264342R, C09B 6700, D02G 100, D06P 164
Patent
active
041150546
ABSTRACT:
A process is disclosed for the rapid, continuous and waterless dyeing of textile and plastic materials in which the dyestuff is dissolved, suspended or dispersed in a high boiling solvent, such as glycol or glycol ether, for carrying out the dyeing step per se, after which the dye textile or plastic material (after cooling if desired) is subjected to a washing with a low boiling organic liquid such as methanol or ethanol (preferably the former) or a chlorinated hydrocarbon solvent, and subsequently dried. The entire series of operations is carried out under nonaqueous or substantially nonaqueous conditions with the complete or substantially complete recovery and recycling of the used dyestuff, the used high boiling solvent, and the used low boiling organic wash liquid.
REFERENCES:
patent: RE27773 (1973-10-01), Hermes
patent: 2938811 (1960-05-01), Hermes
patent: 3530214 (1970-09-01), Hermes
patent: 3943105 (1976-03-01), Hermes
patent: 4047889 (1977-09-01), Hermes
Kight III John
Martin Processing, Inc.
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