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Dyeing Characteristics of Fermented Caesalpinia Sappan L. Wood Extract with Chitosan-Acetic Acid Solution and Illite Powder

발효 소목 추출물의 키토산초산 용액과 일라이트 분말에 의한 염색 특성

  • Park, Youngmi (Department of Clothing and Fashion, Yeungnam University)
  • Received : 2019.12.04
  • Accepted : 2019.12.19
  • Published : 2019.12.27

Abstract

In this study, silk fabrics was dyed with sappan wood extracts fermented for 5 and 15 days, respectively, and then the dyeability, durability and the functionality of the dyed silk were investigated. Before dyeing, the silk was pretreated with chitosan-acetic acid solution or chitosan acetic acid and illite blend solution. Thereafter, UV-Visible transmittance, color, fastness, antimicrobial activity, and the FIR emissivity were analyzed. As a result, the K/S value was higher in the samples that were not pre-treated or fermented. Regardless of fermentation, the lightfastness was not significantly different. The color fastness to washing was slightly better when the samples were pretreated with chitosan-acetic acid and illite, and then dyed with extracts fermented 5 days. In addition, all samples showed high antimicrobial activity of 99.9%, regardless of the fermentation. Far-infrared emissivity was confirmed to be slightly increased by the illite and chitosan-acetic acid solution treatment compared to the untreated sample.

Keywords

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