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Dyeability and Functionality of Wool Fabrics Dyed with Zizania latifolia Turcz. extract

줄풀염색에 의한 모직물의 염색성과 기능성

  • Ko, Eunsook (Dept. of Fashion & Textiles, Jeju National University) ;
  • Lee, Hyesun (Dept. of Fashion & Textiles, Jeju National University)
  • 고은숙 (제주대학교 패션의류학과) ;
  • 이혜선 (제주대학교 패션의류학과)
  • Received : 2019.01.15
  • Accepted : 2019.03.15
  • Published : 2019.04.30

Abstract

This study investigated the proper dyeing conditions, color fastness and functionality of wool fabrics dyed with Zizania latifolia Turcz. We also tried to improve light fastness through treatment with benzophenone ultraviolet absorber. The dyeing of wool fabrics using Zizania latifolia Turcz was good even without pretreatment or mordanting treatment. Optimal wool fabric dyeing conditions were colorant concentration of 200% (o.w.f.), dyeing temperature of $100^{\circ}C$, dyeing time of 80 minutes and a dye bath pH of 3. Color fastness of dyed wool fabrics to washing, rubbing, perspiration and light was 4-5, 5, 4-4-5 (acidic), 4-5 (alkaline) and 2 respectively. The results after treatment with ultraviolet absorber for improving the fastness of daylight were improved to 3-4 grade. The UV protection rate were increased after dyeing and the deodorization of ammonia gas improved to 98%. Bacterial reduction rate (Staphylococcus aureus) of wool fabrics was excellent at 99.9%. All dye fastness (except for light fastness) was excellent; in addition, the functionality of wool fabrics dyed with Zizania latifolia Turcz also improved. The results are expected to be applied to various fields because they indicate excellent results after treatment with ultraviolet absorber for improving the fastness of daylight.

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