펄프종이기술 (Journal of Korea Technical Association of The Pulp and Paper Industry)

한국펄프종이공학회 (Korea Technical Association of the Pulp and Paper Industry)
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이산화염소 표백조건에 따른 삼 인피섬유의 표백효과

Bleachability of Hemp Bast Fiber by Chlorine Dioxide

  • 김준규 (강원대학교 산림환경과학대학 제지공학과) ;
  • 최경화 (강원대학교 창강제지기술연구소) ;
  • 서진호 (강원대학교 창강제지기술연구소) ;
  • 이명구 (강원대학교 산림환경과학대학 제지공학과)
  • Kim, Jun-Kyu (Dept. of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Choi, Kyoung-Hwa (Changgang Institute of Paper Science and Technology, Kangwon National University) ;
  • Seo, Jin-Ho (Changgang Institute of Paper Science and Technology, Kangwon National University) ;
  • Lee, Myoung-Ku (Dept. of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University)
  • 투고 : 2015.08.07
  • 심사 : 2015.08.20
  • 발행 : 2015.08.30
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초록

In this study, the effects of chlorine dioxide (D) bleaching conditions on the delignification of hemp bast fiber were elucidated. Chlorine dioxide bleaching was carried out through three stages (DED) and five stages (DEDED), respectively. Applied amounts of chlorine dioxide at $D_1$ and $D_2$ stages were varied to find the optimum bleaching condition. It was found that the optical properties of its handsheet as well as the delignification of hemp bast fiber increased as the concentration of chlorine dioxide at $D_1$ stage increased. It was also notable that the bleachability of the DEDED bleaching stages was slightly more effective than that of the DED bleaching stages. The burst index of the handsheets made with bleached hemp bast fiber was higher than that of the unbleached samples, but the burst index of these samples decreased as their delignification increased. These results indicated that the higher concentration of chlorine dioxide at $D_1$ stage was major factor to improve the bleaching efficiency of hemp bast fiber.

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참고문헌

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