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2001 / ȣ: V.13,no.5,Oct |
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A Study on Natural Dyeing (4) - Dyeing of Silk Fabric with Amur cork tree Extract |
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320 ~ 328 : 9 |
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Amur cork tree contains yellow natural basic dye largely used for dyeing on silk. Dyeabilities and fastnesses of the colorant on silk fabrics were investigated , According to dye concentration, pH, temperature, time of pre- and post- treatment of mordant, K/S values and fastnesses of the silk fabrics were examined. As a results, K/S values of dyed silk fabrics were increased by pre- and post-treatment with chinese gallotannin. The optimum rendition of chinese gallotannin pre-treatment was 0.15% concentration, pH 4, , and 45min, and that of post-treatment was 0.05% concentration,, and 30min. The wash fastness and the light fastness were enhanced to 4 grades and 2~3 grades. |
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