Supercritical Fluid Dyeing of Polyester Fiber with Two Different Dispersion Dyes 


Vol. 17,  No. 2, pp. 110-116, Jun.  2011


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  Abstract

The dyeing of polyester fiber with two different disperse dyes (Disperse Red 60 and Disperse Yellow 54) was carried out using supercritical carbon dioxide (SCCO2) as a dyeing medium at temperatures ranging from 50 ℃ to 90 ℃ and at pressures from 15 MPa to 30 MPa. The dye uptake of Disperse Red 60 on polyester fiber was found to increase with temperature at constant pressure and SCCO2 density (700 kg/m3). At 90 ℃ and 30 MPa, the dye uptake on polyester fiber increased with dyeing time and the saturation concentration of Red 60 was attained within 240 min, while a longer dyeing time was required for Yellow 54 to reach its saturation concentration. When dyestuff mixtures with mixing ratios of 0.01 to 9.0 (Red 60/Yellow 54) were used, the uptake ratio of the two dyes was found to be proportional to 0.26 power of their mixing ratio. Dyed fibers showed an orange color and the depth of the color depended upon the mixing ratio of the dyestuffs.

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  Cite this article

[IEEE Style]

J. II, L. SY, L. G, R. JH, "Supercritical Fluid Dyeing of Polyester Fiber with Two Different Dispersion Dyes," Clean Technology, vol. 17, no. 2, pp. 110-116, 2011. DOI: .

[ACM Style]

Jung II, Lee SY, Lim G, and Ryu JH. 2011. Supercritical Fluid Dyeing of Polyester Fiber with Two Different Dispersion Dyes. Clean Technology, 17, 2, (2011), 110-116. DOI: .

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pISSN : 1598 - 9712
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한국연구재단 등재학술지