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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Beating Properties with Swelling agent and Concentration for Preparation of MicroFibrillated Cellulose (MFC)

MicroFibrillated Cellulose (MFC) 제조를 위한 전처리 팽윤제의 종류와 농도에 따른 펄프의 고해 특성

  • Ahn, Eun-Byeol (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Jung, Jin-Dong (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Jung, Soo-Eune (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) ;
  • 정진동 (경북대학교 농업생명과학대학 임산공학과) ;
  • 정수은 (경북대학교 농업생명과학대학 임산공학과) ;
  • 김강재 (경북대학교 농업생명과학대학 임산공학과) ;
  • 엄태진 (경북대학교 농업생명과학대학 임산공학과)
  • Received : 2015.04.06
  • Accepted : 2015.06.03
  • Published : 2015.06.30
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Abstract

In this study, we evaluated properties of pulp treated with swelling agent and swelling concentration. We used swelling agent, such as NaOH, DMSO, urea. One of them, pulps treated with NaOH from 0 to 5% measured WRV, beating efficiency, crystallinity and aspect ratio. We identified that NaOH when freeness reaches 100mL CSF was the shortest, on the other hand, WRV didn't change. Because NaOH is good beating efficiency, when pulp treated with various concentration of NaOH from 0 to 5%, pulp treated 1% NaOH was best beating efficiency. However, WRV, crystalline structure and crystallinity didn't change. The more NaOH concentration increased, the more aspect ratio increased, but when NaOH concentration exceeds 3%, aspect ratio decreased. As a result, pulp treated with 1% NaOH was the greatest beating efficiency and WRV, chemical structure didn't change.

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References

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