Abstract

The solubility of ten disperse dyes in supercritical carbon dioxide (SC-CO 2) 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°C. The results were combined with relevant solubility data from previous studies, and were used to develop correlations between disperse dye structures and SC-CO 2 solubility.

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