Journal
DYES AND PIGMENTS
Volume 45, Issue 3, Pages 177-183Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0143-7208(00)00008-5
Keywords
disperse dyes; solubility; supercritical fluid; polyester; carbon dioxide; dyeing
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The solubility of ten disperse dyes in supercritical carbon dioxide (SC-CO2) was measured using a modified Suprex PrepMaster SFE apparatus and Varian Cary 3E UV-Visible spectrophotometer. These measurements were made over a pressure range of 200-400 atm, at 50-100 degrees C. The results were combined with relevant solubility data from previous studies, and were used to develop correlations between disperse dye structures and SC-CO2 solubility. (C) 2000 Elsevier Science Ltd. All rights reserved.
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