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Sorption of C. I. Disperse Red 60 in polystyrene and PMMA films and polyester and Nylon 6 textiles in the presence of supercritical carbon dioxide |
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| Authors: | Sang-Cheol Park Dirk Tuma Sunwook Kim Yong Rok Lee Jae-Jin Shim |
| Affiliation: | (1) Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA;(2) Present address: Department of Chemistry and Biochemistry, Kennesaw State University, Kennesaw, GA 30144, USA;(3) Present address: Polymathic Analytical Labs, 3737 Industrial Blvd., Orangeburg, SC 29118, USA;(4) Present address: Voridian, Hwy. 21 S., Box 1782, Columbia, SC 29202-1782, USA;(5) Present address: Washoe Co. Sheriff Forensic Science Division, 911 Parr Blvd., Reno, NV 89512, USA; |
| Abstract: | C. I. Disperse Red 60 (DR60) was absorbed into polymer films and textile fibers in the presence of supercritical carbon dioxide at pressures between 5 and 33MPa and at temperatures between 308.2 and 423.2 K. Polystyrene (PS) and poly(methyl methacrylate) (PMMA) films and polyester (polyethylene terephthalate: PET) and Nylon 6 textiles were used as absorbents. The amount of equilibrium sorption of dye increased both with pressure and temperature. The sorption behavior was successfully analyzed with the quasi dual-mode sorption model. |
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