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A Study on Dyeing Properties of Nylon 6 Fabrics in Supercritical Fluid Dyeing System (Ⅰ): Depending on Temperature and Pressure

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2020, 32(2), pp.80-88
  • DOI : 10.5764/TCF.2020.32.2.80
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering
  • Received : December 12, 2019
  • Accepted : May 11, 2020
  • Published : June 27, 2020

Eunhee Ko 1 Inyeol Lee 1 Changil Kim 2

1한국섬유소재연구원
2㈜아크로마코리아

Accredited

ABSTRACT

Supercritical fluid dyeing is a new alternative to the conventional aqueous process because of its environmental benefits. In this study, dyeing properties of Nylon 6 fabrics were investigated depending on dyeing temperature and pressure in supercritical CO2 fluid dyeing system. In order to select the optimal condition for supercritical fluid dyeing of Nylon 6 fabrics, dyeing temperature and pressure were varied from 100, 110, 120℃, 200, 230, 260bar, respectively. The results of K/S values and levelling properties showed that the optimal dyeing condition for Nylon 6 fabrics was 110℃ and 230bar in the supercritical CO2 fluid dyeing system. The washing fastness ratings of the dyed Nylon 6 fabrics under supercritical medium were good for both fading and staining except for staining on nylon.

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