Fibers and Polymers

  • 제7권2호
  • /
  • Pages.180-185
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  • 2006
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  • 1229-9197(pISSN)
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  • 1875-0052(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지

Effect of Pineapple Protease on the Characteristics of Protein Fibers

  • Koh Joon-Seok (Department of Textile Engineering, NITRI, Konkuk University) ;
  • Kang Sang-Mo (Department of Microbial Engineering, Konkuk University) ;
  • Kim Soo-Jin (Department of Microbial Engineering, Konkuk University) ;
  • Cha Min-Kyung (Department of Textile Engineering, NITRI, Konkuk University) ;
  • Kwon Yoon-Jung (Department of Textile Engineering, NITRI, Konkuk University)
  • 발행 : 2006.06.01
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초록

A pineapple protease, bromelain, was used to improve the dyeing properties of protein fibers such as wool and silk. The optimal condition for the activity of the pineapple protease was about $60^{\circ}C$ at pH 7. The wool and silk were treated with the protease extracted from a pineapple and the K/S values of the dyed wool and silk were measured using a spectrophotometer in order to compare the dye uptake. The protease treatment enhanced the dyeing properties of protein fibers without severe changes in mechanical properties. The surface appearances of protease-treated fibers were observed by microscopy.

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