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Subject

Effect of the Dye Bath and Mordants on the Dyeing of Silk Fabric using Cochineal
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견섬유의 코치닐 염색에서 염욕의 액성의 매염제가 미치는 영향

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Type
Academic journal
Author
Kim Kyung-Sun (이화여자대학교 의류직물학과) Jeon Dong-Won (이화여자대학교 의류직물학과) Kim Jong-Jun (이화여자대학교 의류직물학과)
Journal
Korean Home Economic Association 대한가정학회지 대한가정학회지 제43권 제7호 KCI Accredited Journals
Published
2005.1
Pages
109 - 116 (8page)

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Effect of the Dye Bath and Mordants on the Dyeing of Silk Fabric using Cochineal
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Using buffer solutions, consisting of pH 4, 5, 6, 7, and 8, silk fiber fabric specimens, pre-mordanted with one of the mordanting agents, Sn, Al, Cu, Cr, and Fe, were dyed using cochineal dyestuff. The color of the dyed silk fabric specimens was predominantly red(R) for the acidic range of pH 4 and 5, and predominantly purple(RP) for the neutral range of pH 6,7, with 8, with the pH boundary differentiating between the shades being between pH 5 and 6. As a general trend, the chroma value decreased as the pH changed from acid to alkali, and the highest chroma value us attained between pH 4 and 5. Regardless of the mordanting conditions, the trend was that $ {\Delta}E$ showed the highest measured value in the acidic range of pH 4 and 5, and it dropped abruptly after the pH 6.

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