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 년도별 목차보기 |
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| 발행년도/권호 |
1998 년 / 권호: V.10,no.1,Feb |
| 논문제목1(원어) |
유기용매염색(II) -Alkane류를 염색매체로 한 C. I. Disperse Violet 1에 의한 PET 염색 |
| 논문제목2(타언어) |
Organic Solvent Dyeing(II) -The Dyeing of PET by C. I. Disperse Violet 1 in Alkanes as Dyeing Media |
| 저자(원어) |
김태경 (경북대학교 공과대학 염색공학과) 허재원 (경북대학교 공과대학 염색공학과) 김병인 (경북대학교 공과대학 염색공학과) 임용진 (경북대학교 공과대학 염색공학과) |
| 저자(타언어) |
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| 소속(원어) |
김태경 (경북대학교 공과대학 염색공학과) 허재원 (경북대학교 공과대학 염색공학과) 김병인 (경북대학교 & |
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| 시작/끝
페이지 |
25 ~ 32 총페이지 : 8 |
| 언어(원어) |
Korean |
| 초록 |
In the prior study, we found that the dye uptakes of C. I. Disperse Violet 1 on PET in hexane and cyclohexane were higher than those in the other solvents. Therefore, in this study, the dye uptakes and the partition coefficients in alkanes having different number of carbon atoms were obtained and their relationship to the solubilities of the dye in alkanes was also investigated. As the number of carbon atoms of alkanes increases, solubility of the dye increases but the dye uptake decreases. This is due to the fact that the hydrophobicity of alkanes become relatively strong as increasing the number of carbon atoms. It was also found that the dye uptakes in iso-alkanes were larger than those in normal alkanes. This is because that the branched alkanes(iso-alkanes), judging from the tendency of lowering solubility and increasing dye uptake as decreasing the number of carbon atoms of alkanes, behave like the alkanes with less number of carbon atoms rather than the alkanes with the same number of carbon atoms. The logarithmic plot of the dye uptakes vs. the solubilities of the dye showed that the dye uptakes are linearly and inversely proportional to the solubilities. This is in good accordance with the results of the prior study. The heat of dyeing was also calculated from the equilibrium adsorptions at various temperatures. It seemed that the dyeings of PET by C. I. Disperse Violet 1 in nonane, decane, iso-pentane and iso-octane were rather endothermic processes. Dyeing rates in alkanes were somewhat delayed unlike general appearances in solvent dyeing. |
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