Solubility of Disperse Dyes in Supercritical Carbon Dioxide

The solubilities of eight disperse dyes, suitable for dyeing from a supercritical medium, have been measured in supercritical carbon dioxide. For two of the dyes, 3-(1H-benzoimidazol-2-yl)-7-(diethylamino)chromen-2-one (C.I. Disperse Yellow 82, DY82) and 1-((4-aminophenyl)azo)-2-naphthol, studies ha...

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Bibliographic Details
Published in:Journal of chemical and engineering data 1997-05, Vol.42 (3), p.590-592
Main Authors: Özcan, A. Safa, Clifford, Anthony A, Bartle, Keith D, Lewis, David M
Format: Article
Language:English
Subjects:
Applied sciences
Chemical industry and chemicals
Chemistry
Dyes, pigments
Exact sciences and technology
General and physical chemistry
Industrial chemicals
Solubility
Solutions
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Summary:The solubilities of eight disperse dyes, suitable for dyeing from a supercritical medium, have been measured in supercritical carbon dioxide. For two of the dyes, 3-(1H-benzoimidazol-2-yl)-7-(diethylamino)chromen-2-one (C.I. Disperse Yellow 82, DY82) and 1-((4-aminophenyl)azo)-2-naphthol, studies have been made at 80 °C and 100 °C between 200 bar and 350 bar. The results were correlated using a semi-empirical equation. The remaining six dyes were studied at 200 bar and 80 °C, to investigate trends of solubility with molecular properties.
ISSN:0021-9568
1520-5134
DOI:10.1021/je960337+