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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방직용 재생펄프 제조를 위한 면 린터의 자기가수분해 공정 개발

Development of Auto-hydrolysis Method for Preparing Cotton Linter Regenerated Fibers of Textile Fabrics

  • 손하늘 (충남대학교 환경소재공학과) ;
  • 박희정 (충남대학교 환경소재공학과) ;
  • 서영범 (충남대학교 환경소재공학과)
  • Sohn, Ha Neul (Dept. of Bio-based Materials, Chungnam National University) ;
  • Park, Hee Jung (Dept. of Bio-based Materials, Chungnam National University) ;
  • Seo, Yung Bum (Dept. of Bio-based Materials, Chungnam National University)
  • 투고 : 2015.11.09
  • 심사 : 2015.12.16
  • 발행 : 2015.12.30
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초록

The molecular weight (MW) and crystallinity of cotton linter need to be controlled to be dissolved well in N-methylmorpholine N-oxide (NMMO) solvent for manufacturing regenerated fibers of clothing fabrics. Electron beam irradiation or sulfuric acid pre-treatment followed by alkaline peroxide bleaching has been used to control MW effectively and to improve brightness of cotton linter. Auto-hydrolysis of cotton linter without electron beam irradiation or chemical pre-treatment was found to be effective as an alternative pre-treatment method. Removal of metal ions, that hampered dissolution of cotton linter by NMMO, was also investigated when the auto-hydrolysis was accompanied with ionic polymers and chelating agent.

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참고문헌

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