[논문]초임계 CO2 및 수계 염색방법이 적용된 PET 섬유의 세탁견뢰도

오지연; 박창표; 김삼수; 이재웅

doi:10.5764/tcf.2020.32.4.208

초임계 CO2 및 수계 염색방법이 적용된 PET 섬유의 세탁견뢰도
Washing Fastness of PET Fibers according to Supercritical CO2 and Aqueous Dyeing Methods 원문보기

韓國染色加工學會誌 = Textile coloration and finishing, v.32 no.4, 2020년, pp.208 - 216

오지연 (영남대학교 파이버시스템공학과) , 박창표 (영남대학교 파이버시스템공학과) , 김삼수 (영남대학교 파이버시스템공학과) , 이재웅 (영남대학교 파이버시스템공학과)

Abstract ▼ AI-Helper

In this study, C.I. Disperse Red 60 (DR60), C.I. Disperse Yellow 54 (DY54) dyes were used to investigate the washing fastness characteristics of PET fibers according to supercritical CO2 and aqueous dyeing process. The changes in K/S values and L⁎ values before and after washing of dyed PET fibers were observed according to the KS K ISO 105 washing fastness measurement method. In addition, it was confirmed by changing the ΔE⁎ and ΔL⁎ values of control PET fibers. Overall, it was confirmed that both the supercritical CO2 and aqueous dyeing process had excellent washing fastness ratings of 4-5 for DR60 and DY54 dyes. Comparatively, the K/S and L⁎ values for before and after washing of PET fibers with supercritical CO2 dyeing process was higher than that of the aqueous dyeing process and the ΔE⁎ and ΔL⁎ values of the control PET fibers were low. From the results, we observed that the supercritical CO2 dyeing process of PET fibers has better washing fastness characteristics than the aqueous dyeing process.

주제어

표/그림 (15)

표 Table 1. Specification of sample, dye and equipment
표 Table 2. Chemical structures of used dyes
그림 Figure 1. Supercritical CO₂ dyeing profile.
그림 Figure 2. Aqueous dyeing profile.
표 Table 3. ∆E* and washing fastness grade of PET knits according to supercritical CO₂ dyeing method
그림 Figure 3. K/S values of PET knits dyed with DR60 and DY54 according to supercritical CO₂ dyeing method.
그림 Figure 4. K/S values of PET knits dyed with DR60 and DY54 according to aqueous dyeing method.
표 Table 4. ∆E* and washing fastness of PET knits according to aqueous dyeing method
그림 Figure 5. Lightness of supercritical CO₂ dyed PET knits before and after washing.
그림 Figure 6. Lightness of aqueous dyed PET knits before and after washing.
그림 Figure 7. ∆E_ab* value of the stained PET knits according to supercritical CO₂ dyeing method.
그림 Figure 9. Lightness of the stained PET knits according to supercritical CO₂ dyeing method.
그림 Figure 8. ∆E_ab* value of the stained PET knits according to aqueous dyeing method.
그림 Figure 10. Lightness of the stained PET knits according to aqueous dyeing method.
그림 Figure 11. Absorbance of PET knit dyed by aqueous dyeing using DY54.

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