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Washing Efficiency of Blood-Soiled Fabrics in Various Conditions of Washing - Focus on Washing Temperature, Fiber Type and Blood Aging -

혈액오구의 세척성에 관한 연구 - 세탁온도, 섬유종류 및 혈액의 노화를 중심으로 -

  • 변혜진 (이화여자대학교 의류산업학과) ;
  • 김혜진 (이화여자대학교 의류산업학과) ;
  • 명정은 (이화여자대학교 의류산업학과) ;
  • 조희령 (이화여자대학교 패션디자인 전공) ;
  • 윤창상 (이화여자대학교 의류산업학과)
  • Received : 2020.07.10
  • Accepted : 2020.08.28
  • Published : 2020.08.31

Abstract

Experimental research is needed to provide information on the removal of bloodstains since washing clothes contaminated with blood is necessary for medical related fields (such as ambulance workers and doctors) as well as for women of childbearing age. This study investigated efficient washing conditions for the removal of bloodstains with a focus on washing temperature, fiber type and blood ageing time. Polyester/cotton fabric showed the highest detergency from among three fabrics that were influenced by the composition of the fiber and the structure of the yarn and fabric. When examining the effect of detergent, it was concluded that the alkalinity over pH 10 was essential to remove bloodstains and that auxiliary agents such as soil antiredeposition agents and bleach had a significant effect on the removal of bloodstains. Washing temperature showed the highest detergency at 20℃ due to the activity of the enzyme without the denaturalization of blood. Blood-ageing influenced detergency by inducing changes in the adsorption area and chemical bond. A combination of methods such as quick removal after contamination, use of alkaline detergents including soil antiredeposition agents and bleach, and low-temperature washing could help remove bloodstains.

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