Journal
THERMAL SCIENCE
Volume 19, Issue 4, Pages 1311-1315Publisher
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI1504311Y
Keywords
supercritical CO2; disperse dyes; solubility; phase equilibrium; Chrastil association model; distribution coefficient
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Funding
- Science Fund from Dalian City [2014A11GX030]
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Supercritical carbon dioxide fluid is an alternative solvent for the water of the traditional dyeing. The solubility of dyestuff affects greatly the dyeing process. A theoretical model for predicting the dye solubility is proposed and verified experimentally. The paper concludes that the pressure has a greater impact on the dyestuff solubility than temperature, and an optimal dyeing condition is suggested for the highest distribution coefficient of dyestuff
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