Journal Textile Coloration and Finishing Year / Vol., Issue, Month 2020 / V.32,no.2,Jun Title A Study on Dyeing Properties of Nylon 6 Fabrics in Supercritical Fluid Dyeing System (Ⅰ): Depending on Temperature and Pressure Authors Eunhee Ko*, Inyeol Lee and Changil Kim1 Institution/Affiliations Korea High Tech Textile Reserch Institute, 1Archroma(Korea) Pages/Total page pp.80 ~ 88 / 9 Language Korean Abstract 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. Keywords Keywords Nylon 6, supercritical fluid dyeing, carbon dioxide, temperature, pressure, dyeing property Download   Reference http://koreascience.or.kr/article/JAKO202020550932771.page