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

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Micro-Fibrillated Cellulose Preparation with Enzyme Beating Pretreatment and Effect on Paper Strength Improvement

Enzyme beating 전처리를 통한 Micro-Fibrillated Cellulose 제조 및 지력증강 효과

  • Ahn, Eun-Byeol (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Hong, Sung-Bum (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Kim, Kang-Jae (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Eom, Tae-Jin (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
  • 안은별 (경북대학교 농업생명과학대학 임산공학과) ;
  • 홍성범 (경북대학교 농업생명과학대학 임산공학과) ;
  • 김강재 (경북대학교 농업생명과학대학 임산공학과) ;
  • 엄태진 (경북대학교 농업생명과학대학 임산공학과)
  • Received : 2015.11.07
  • Accepted : 2015.12.13
  • Published : 2015.12.30
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Abstract

Microfibrillated cellulose (MFC) or Nanofibrillated cellulose (NFC) has been used to reduce the use of raw pulp and to improve paper strength. The problem of MFC preparation is high manufacturing cost. In this study, it was carried out to prepare MFC after enzyme beating and estimated properties of MFC. Endo-D was the best beating efficiency among three type of endo-glucanase. As the grinder pass number increased, the viscosity and the fines of MFC suspension increased while the crystallinity and the porosity of MFC sheet decreased. Also enzyme beating MFC was higher value in the crystallinity and lower value in the viscosity than non-enzyme MFC. In addition, the aspect ratio of MFC was the highest at 5 pass. MFC addition improved the handsheet strength and the air permeability but worsened the drainage.

Keywords

References

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