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Dyeability and Functionality of Silk Fabrics Dyed with Buckwheat Extracts

메밀 추출물에 의한 견직물의 염색성 및 기능성

  • Kim, Sangyool (Dept. of Fashion & Clothing, Mokpo National University)
  • 김상률 (목포대학교 패션의류학과)
  • Received : 2018.06.07
  • Accepted : 2018.07.23
  • Published : 2018.09.30

Abstract

The present study was conducted to investigate dyeing properties and functionality of silk fabrics dyed with extracts from buckwheat skin. Comparative results of color strength(K/S) values of dyed silk fabrics were studied to quantify the effects of dye concentrations, dyeing temperatures, dyeing time and the pH; the effect of mordants; and color changes. And also evaluated the fastness, antimicrobial property, ultraviolet protection properties of the dyed and mordanted silk fabrics. The color strength(K/S) values of silk generally increased depending on the increasing dye concentration, dyeing temperature, and dyeing time. And the highest color strength values were obtained at a dye concentration of 100%(v/v), a dyeing temperature of $90^{\circ}C$, a dyeing of time 80 minutes, and a dyebath of pH 2. The color fastness to light of dyed and mordanted silk fabrics were found to be good, and the drycleaning and rubbing fastness were excellent. The fade of washing fastness was not good, however, the stain of washing fastness and perspiration fastness showed relatively good grade. The Al, Cu, Fe mordanted silk fabrics(except Fe for Klebsiella pneumoniae) showed 99.9% reduction rate. The ultraviolet protection properties of the mordanted fabrics were generally improved. Moreover, the Cu and Fe mordnared fabrics showed very exceptional ultraviolet protection factors.

Keywords

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