[논문]초임계 유체 염색용 아조계 분산염료 합성 및 PET 섬유에 대한 염색 특성 연구

신승림; 안경룡; 이선혜; 고은희; 이인열; 김창일; 전근

doi:10.5764/tcf.2021.33.1.10

[국내논문] 초임계 유체 염색용 아조계 분산염료 합성 및 PET 섬유에 대한 염색 특성 연구
Synthesis of Azo Based Disperse Dyes for Dyeing Polyester Fiber in Supercritical Carbon Dioxide 원문보기

韓國染色加工學會誌 = Textile coloration and finishing, v.33 no.1, 2021년, pp.10 - 23

신승림 (한국화학연구원 계면재료화학공정연구센터) , 안경룡 (한국화학연구원 계면재료화학공정연구센터) , 이선혜 (한국화학연구원 계면재료화학공정연구센터) , 고은희 (한국섬유소재연구원 스마트&에코소재연구팀) , 이인열 (한국섬유소재연구원 스마트&에코소재연구팀) , 김창일 ((주)아크로마코리아 염료연구소) , 전근 (한국화학연구원 계면재료화학공정연구센터)

Abstract ▼ AI-Helper

In order to synthesize the dye suitable for supercritical carbon dioxide(ScCO2) dyeing, a series of azo based disperse dyes were prepared using various aniline derivatives as diazo components and indol derivatives as coupling components. Dyeing process in ScCO2 of the synthesized dyes was performed on PET fiber at 120℃ for 2 hrs under 250bar pressure with 0.5% o.w.f. of dye concentration. The absorption maxima varied from 400 to 580nm depending on the substituted groups in aniline derivatives and the indol derivatives. The dyes showed high molar extinction coefficients(ε) of 27,000~61,000M-1cm-1. Dyed PET fiber exhibited excellent brightness and good light, washing and perspiration(acid/alkali) fastness properties.

Keyword

표/그림 (12)

그림 Scheme 1. Preparation of indol derivatives.
그림 Scheme 2. Preparation of azo disperse dyes.
그림 Figure 1. Supercritical CO₂ dyeing equipment.
표 Table 1. Yield, MS, and UV-Vis absorption spectra(λ_max/ε) of Dye 1~14
표 Table 2. Yield, MS, and UV-Vis absorption spectra(λ_max/ε) of Dye 15~28
표 Table 3. Yield, MS, and UV-Vis absorption spectra(λ_max/ε) of Dye 29~42
표 Table 4. Yield, MS, and UV-Vis absorption spectra(λ_max/ε) of Dye 43~48
표 Table 5. ¹H NMR data of intermediate A-1~2, B-1~2, C-1~2 and Dye 1~48
그림 Figure 2. UV-Vis spectra of the dyes using various diazo compounds with coupler A-1.
그림 Figure 3. UV-Vis spectra of the dyes using various couplers with 4-methylsulfonylaniline as diazo component.
표 Table 6. PET fibers dyed in ScCO₂(0.5% o.w.f.)
표 Table 7. Color fastness and exhaustion(%) of PET fibers dyed with 0.5% o.w.f.

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