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KMID : 1041220000420010036
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Journal of Sericultural and Entomological Science
2000 Volume.42 No. 1 p.36 ~ p.41
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Dyeing of Silk by the use of fresh leaves of Indigo plant
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Abstract
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The indigo dyeing on silk was carried out by the use of fresh leaves juice of polygonum tinctorium. By means of spectroscopic analysis, it is proved that indoxyl are present in the juicese due to the enzymatic reducing of indican contained in the leaves. In case of fresh leag dyeing, K/S value of dyed fabric was higher at 25°C than at 35°C of the dyeing temperature, its colour fastness against washing, perspiration and high ranged from 4 to 5 grade.
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