느릅나무 껍질 추출액에 의한 섬유의 염색성 및 항균성
Dyeability and Antibacterial Activity of the Fabrics with Elm-Bark Extracts
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Abstract
purpose of this study is searching the Elm-Bark dyes' dyeability and antibacterial activities according to the dyeing time, pH, a mordant and the method of mordancy. We used two kinds of Elm-Bark dyes which's extracted by the Electrolytic reduction water and Distilled water. Silk fabric and Cotton/nylon union fabric was used for this study. The results are as follow. K/S value is increased according to the dyeing time and the suitable pH level is pH 3. Dyeability is good with Iron(Ⅱ) sulfate(FeSO4·7H20) on the pre-mordancy and Potassium dichromate(K2Cr2O7)on the post-mordancy. The Elm-Bark dyes by the Electrolytic reduction water has good colorfastness more than by the Distilled water. Antibacterial activities is excellent and the ratio is over than 99.5%