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* PDF α Ͻñ ٶϴ. |
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2006 / ȣ: V.18,no.4,Aug |
1() |
Ű ź ó Ȳ ġ |
2(Ÿ) |
The Effect of Chitosan and Tannin Treatment on the Natural Dyeing using Loess |
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ǹμ1․1․2 |
(Ÿ) |
Min Soo Kwon1, Dong Won Jeon1 and Eun Kyung Choe2 |
Ҽ() |
1ȭڴб Ƿа, 2ѱ ȯм |
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Ewha Womans University, Korea Institute of Industrial Technology |
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1 ~ 10 : 10 |
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Korean |
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Tannin treatment has been used for improving the color fastness of dyed materials. In
natural dyeing, the tannin treatment is highly effective in improving the fastness. The chitosan
treatment also improves the fastness and depth of shade in natural dyeing. In this study, the effects of
tannin and chitosan pre-treatment on the color and fastness in loess dyeing were investigated. Cotton
woven fabric specimens and cotton knit fabric specimens were pre-treated with chitosan solution in
acetic acid, and the specimens were then treated with or without tannin. The specimens were finally
dyed with loess. The tannin treatment decreased the K/S values, while the chitosan treatment increased
the K/S. Both the tannin treatment and the chitosan treatment increased the wash fastness and light
fastness. In tannin treatment, tannin component and Fe component of loess may react together to
decrease the lightness and develop dark color. For maintaining inherent color of the loess, it is much
preferable to employ chitosan treatment rather than tannin treatment. |
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Loess, Chitosan pre-treatment, Tannic acid, K/S value, Color fastness |
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Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2006_v18n4_1 |
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