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⵵/ȣ 2001 / ȣ: V.13,no.1,Feb
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2(Ÿ) A Study on Natural Dyeing ( I ) - Dyeing of Cotton Fabric with Amur Cork Tree -
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ʷ Amur cork tree is natural basic and yellow dye largely used for dyeing on cotton. The most effective solvent for extract of berberine from amur cork tree was methanol. The dyeabilities of the colorant on cotton and the fastness of cotton fabrics dyed with amur cork tree extract were investigated. And according to the concentration, temperature and time of pre-treatment, K/S values, wash fastness and Hand Value of cotton fabrics dyed with amur cork tree extract were investigated. As a results, K/S values of dyed cotton fabrics were increased by Pre-treatment with chinese gallotannin and the optimum condition of chinese gallotannin treatment was 15%owf concentration at , 30min. The wash fastness was enhanced to 3.5 grades. There was no degradations of Hand Value of cotton fabrics treated with chinese gallotannin.
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