Reactive Disperse Dyes Bearing Various Blocked Isocyanate Groups for Digital Textile Printing Ink
Wastewater management is of considerable economic and environmental importance for the dyeing industry. Digital textile printing (DTP), which is based on sublimation transfer and does not generate wastewater, is currently being explored as an inkjet-based method of printing colorants onto fabric. It finds wide industrial applications with most poly(ethylene terephthalate) (PET) and nylon fibers. However, for additional industrial applications, it is necessary to use natural fibers, such as cotton. Therefore, to expand the applicability of DTP, it is essential to develop a novel reactive disperse dye that can interact with the fabric. In this study, we introduced a blocked isocyanate functional group into the dye to enhance binding to the fabric. The effect of sublimation transfer on fabrics as a function of temperature was compared using the newly synthesized reactive disperse dyes with different blocking groups based on pyrazole derivatives, such as pyrazole (Py), di-methylpyrazole (DMPy), and di-tert-butylpyrazole (DtBPy). Fabrics coated with the new reactive disperse dyes, including PET, nylon, and cotton, were printed at 190 °C, 200 °C, and 210 °C using thermal transfer equipment. In the case of the synthesized DHP-A dye on cotton at 210 °C, the color strength was 2.1, which was higher than that of commercial dyes and other synthesized dyes, such as DMP-A and DTP-A. The fastness values of the synthesized DHP-A were measured on cotton, and it was found that the washing and light fastness values on cotton are higher than those of commercial dyes. This study confirmed the possibility of introducing isocyanate groups into reactive disperse dyes.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:28 |
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| Enthalten in: |
Molecules (Basel, Switzerland) - 28(2023), 9 vom: 29. Apr. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jeong, Subin [VerfasserIn] |
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| Links: |
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| Themen: |
Anthraquinone dye |
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| Anmerkungen: |
Date Completed 14.05.2023 Date Revised 15.02.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/molecules28093812 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Wastewater management is of considerable economic and environmental importance for the dyeing industry. Digital textile printing (DTP), which is based on sublimation transfer and does not generate wastewater, is currently being explored as an inkjet-based method of printing colorants onto fabric. It finds wide industrial applications with most poly(ethylene terephthalate) (PET) and nylon fibers. However, for additional industrial applications, it is necessary to use natural fibers, such as cotton. Therefore, to expand the applicability of DTP, it is essential to develop a novel reactive disperse dye that can interact with the fabric. In this study, we introduced a blocked isocyanate functional group into the dye to enhance binding to the fabric. The effect of sublimation transfer on fabrics as a function of temperature was compared using the newly synthesized reactive disperse dyes with different blocking groups based on pyrazole derivatives, such as pyrazole (Py), di-methylpyrazole (DMPy), and di-tert-butylpyrazole (DtBPy). Fabrics coated with the new reactive disperse dyes, including PET, nylon, and cotton, were printed at 190 °C, 200 °C, and 210 °C using thermal transfer equipment. In the case of the synthesized DHP-A dye on cotton at 210 °C, the color strength was 2.1, which was higher than that of commercial dyes and other synthesized dyes, such as DMP-A and DTP-A. The fastness values of the synthesized DHP-A were measured on cotton, and it was found that the washing and light fastness values on cotton are higher than those of commercial dyes. This study confirmed the possibility of introducing isocyanate groups into reactive disperse dyes | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a anthraquinone dye | |
| 650 | 4 | |a blocked isocyanate | |
| 650 | 4 | |a digital textile printing | |
| 650 | 4 | |a reactive disperse dye | |
| 650 | 4 | |a thermal transfer printing | |
| 700 | 1 | |a Kim, Giyoung |e verfasserin |4 aut | |
| 700 | 1 | |a Bae, Hyoungeun |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Hyeokjin |e verfasserin |4 aut | |
| 700 | 1 | |a Seo, Eunjeong |e verfasserin |4 aut | |
| 700 | 1 | |a Choi, Sujeong |e verfasserin |4 aut | |
| 700 | 1 | |a Jeong, Jieun |e verfasserin |4 aut | |
| 700 | 1 | |a Jung, Hyocheol |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Sangho |e verfasserin |4 aut | |
| 700 | 1 | |a Cheong, Inwoo |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Jinchul |e verfasserin |4 aut | |
| 700 | 1 | |a Park, Youngil |e verfasserin |4 aut | |
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