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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국의류산업학회 한국의류산업학회지 한국의류산업학회지 제7권 제5호
발행연도
2005.1
수록면
547 - 552 (6page)

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The study has objective in raising value of the gray color as a meaningful color suiting sentiments of modernpeople by expresing the gray color in various perspective utilizing natural dyes that is natural at the same time havingaesthetic color tones. For example, the main ingredient used for coloring black and gray color is the pyrogallol tanin andthe gray tone dye can be acquired by combining the tannin with iron. In order to find the suitable condition for processingtannin, UV-Vis part absorption spectrum of Gallapple pyrogallol tannin, dye ability based on temperature and time, reflec-tion rate based on concentration, color changes based on acid treatment and alkali treatment, changes on surface basedon concentration or metal mordant condition, and lightfastness were measured. Maximum absorption wavelength (λmax)of Gallapple tannin was at around 273 nm, while strong absorption was also observed at below 350 nm. Dye ability of Gal-lapple tannin is done more easily on silk rather than cellulose fibers such as cotton, while the optimum condition for dye-ing was observed to be at 60oC, for 20 minutes. As a result of acid treatment, the color of dye material consist highly ofgray tones and showed red tone after the alkali treatment. While it was observed that as dye concentration and metal mor-dant concentration increased the color changed at counter-clockwise direction on the Y-scale of Munsell's scale of colors.Lightfastness was more on a normal fading. I hope this study opens up posibilities towards presenting gray colorexpressed from tannin as color with diversity and aesthetic value. In future, comparative study between dye expressedfrom catechol tannin dye materials will be helpful.

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