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Effects of U.V. Irradiation on the Physical Properties of Fabrics Treated with Eco-friendly Persimmon Juice -Silk and Nylon Fabrics-

친환경 감물가공 소재의 자외선 조사에 의한 물리적 특성변화에 대한 연구 -견 및 나일론 직물-

  • Kim, Jimin (Dept. of Clothing & Textiles, Ewha Womans University) ;
  • Kim, Jongjun (Dept. of Clothing & Textiles, Ewha Womans University)
  • 김지민 (이화여자대학교 의류학과) ;
  • 김종준 (이화여자대학교 의류학과)
  • Received : 2015.05.31
  • Accepted : 2015.09.12
  • Published : 2015.09.30

Abstract

This study aimed to determine the physical properties of silk and nylon fabrics that are treated with persimmon juice in accordance with irradiation time of ultraviolet spectrum. Persimmon juice dyeing has the advantage of using the tannin component of the persimmon. Tannin plays an important role in inhibiting photodegradation of fibers or polymers. Among fibrous materials, silk and nylon are prone to deterioration by light. Hence, this study aimed to reduce these weaknesses of silk and nylon by applying persimmon juice treatment. We accordingly carried out investigation and experiments on ultraviolet irradiation, and physical characteristics of treated fabrics. The persimmon juice treatment process led to increased weight and thickness. In addition, the air permeability of silk fabric was increased, as compared to the control specimen; whereas, that of nylon fabric was decreased. Both drape stiffness and flex stiffness of silk and nylon tended to be high in textiles processed with persimmon juice treatment, as compared to the control textile. Peak load and elongation at peak load of untreated samples clearly decreased in both silk and nylon fabrics with the increase of ultraviolet irradiation time, while those of persimmon juice treated samples increased. Furthermore, ultraviolet blocking ratio measurement indicated that the fabric specimens treated with persimmon juice blocked U.V. spectrum better than the control specimen.

Keywords

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