초임계 유체 염색용 염료에 따른 Nylon 섬유의 염색 특성 (2) : C.I. Disperse Yellow 42, C.I. Disperse Orange 155
A Study of Dyeing Properties of Nylon Fabrics under Supercritical CO2 Depending on Dyestuff (2) : by C.I. Disperse Yellow 42, C.I. Disperse Orange 155
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초록
In this study, the dyeing properties of supercritical fluid dyed nylon fabrics were investigated which use two types of dyes for dyeing nylon. For other dyeing conditions were referred to related literature, and dyeing was performed with different dyeing concentrations. Dyeability was confirmed through measurement of washing fastness and color coordinate, and a calibration curve of each dye was drawn up and the absorbance of the residual dye was measured to confirm the amount of residual dye and the dye exhaustion rate at the corresponding concentration. As a result of color difference measurement, the color intensity increased as the concentration increased, but the increase was insignificant at high concentration. This tendency was more obvious in C.I. Disperse Orange 155 than in C.I. Disperse Yellow 42. The dye absorption rate also decreases as the concentration increases, but at 0.85% o.w.f concentration, C.I. Disperse Yellow 42 was 97.29% and C.I. Disperse Orange 155 was 93.77%. For both dyes, the wash fastness dropped by 0.5 to 1 class from the sample that was dyed at a concentration of 0.5% o.w.f in the wash fastness test.
Abstract
In this study, the dyeing properties of supercritical fluid dyed nylon fabrics were investigated which use two types of dyes for dyeing nylon. For other dyeing conditions were referred to related literature, and dyeing was performed with different dyeing concentrations. Dyeability was confirmed through measurement of washing fastness and color coordinate, and a calibration curve of each dye was drawn up and the absorbance of the residual dye was measured to confirm the amount of residual dye and the dye exhaustion rate at the corresponding concentration. As a result of color difference measurement, the color intensity increased as the concentration increased, but the increase was insignificant at high concentration. This tendency was more obvious in C.I. Disperse Orange 155 than in C.I. Disperse Yellow 42. The dye absorption rate also decreases as the concentration increases, but at 0.85% o.w.f concentration, C.I. Disperse Yellow 42 was 97.29% and C.I. Disperse Orange 155 was 93.77%. For both dyes, the wash fastness dropped by 0.5 to 1 class from the sample that was dyed at a concentration of 0.5% o.w.f in the wash fastness test.
참고문헌 (24)
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