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 년도별 목차보기 |
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| 발행년도/권호 |
1994 년 / 권호: V.6,no.2,Jun |
| 논문제목1(원어) |
천연염료에 관한 연구(7) -코치닐색소의 견섬유에 대한 염색성- |
| 논문제목2(타언어) |
Studies on the Natural Dyes(7) -Dyeing properties of cochineal colors for silk fibers- |
| 저자(원어) |
조경래 (부산여자대학교 자연과학대학 의류학과) |
| 저자(타언어) |
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| 소속(원어) |
조경래 (부산여자대학교 자연과학대학 의류학과) |
| 소속(타언어) |
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| 시작/끝
페이지 |
40 ~ 46 총페이지 : 7 |
| 언어(원어) |
Korean |
| 초록 |
In order to study the properties of cochineal color, variation of uv, visible spectra by pH, dyeing properties on the silk in several dyeing conditions and thermodynamic parameter were investigated. Cochineal colors had an unusual to pH, especially had instability in alkali condition. An increase in the dyeing temperature and in time resulted in an increase in the dye content of silk fibers. Concentration of cochineal color in the silk fiber was related to pH and the maximum exhaustion of cochineal colors showed at about pH 3. The value of apparent diffusion coefficients and standard affinities of dyeing increased with the increase of dyeing temperature. The standard heats of dyeing(ΔH°), variation of entropy(ΔS°) and activation energy(E/sub act/) were caculated to be -1.72kcal/mo1, -3.77cal/mo1ㆍdeg and 1.26kcal/mo1, respectively. Silk fabrics were dyed bright red by tin chloride, reddish purple by copper sulfate, and bluish gray by iron sulfate, respectively. Lightfastness of silk fabrics mordanted by metal ion was weak. |
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