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

Eun-Byeol Ahn; Jin-Dong Jung; Soo-Eune Jung; Kang-Jae Kim; Tae-Jin Eom

doi:10.7584/ktappi.2015.47.3.003

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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

30 June 2015. pp. 3-10

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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.

Keywords

Microfibrillated cellulose (MFC)

swelling agent

beating efficiency

WRV

crystallinity

References

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 47
No :3
Pages :3-10
Received Date : 2015-04-06
Revised Date : 2015-05-30
Accepted Date : 2015-06-03
DOI :https://doi.org/10.7584/ktappi.2015.47.3.003

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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