Journal
THERMAL SCIENCE
Volume 21, Issue 4, Pages 1745-1749Publisher
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI160805063Z
Keywords
mass transfer; disperse dye; supercritical CO2; dyeing
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Funding
- Program of High-end Foreign Experts Working in the Educational and Cultural Sector [GDW20162100068]
- Liaoning Provincial Department of Education [2016J003]
- Science Fund from Dalian City [2014A11GX030]
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In this paper, polyester fibers were dyed with Disperse Red 153 and its crude dye in supercritical CO2. The effect of dyeing temperature, dyeing time, dyeing pressure, as well as auxiliaries in the commercialized Disperse Red 153 on the dyeing performance of polyester fibers was investigated. The obtained results showed that the dyeing effect of crude dye for polyester was better than that of Disperse Red 153 in the same dyeing condition. The color strength values of the dyed polyester samples were increased gradually with the increase of temperature and pressure since mass transfer of dye was improved. In addition, the mass transfer model of Disperse Red 153 in supercritical CO2 was also proposed.
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