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Effect of Nanofibrillated Cellulose Made from Enzyme-pretreated Bamboo Pulp on Paper Strengthopen access

Authors
Jo, Hae MinLee, Ji YoungKim, Su HoLee, Yeon Hui
Issue Date
Feb-2021
Publisher
NORTH CAROLINA STATE UNIV DEPT WOOD & PAPER SCI
Keywords
Nanocellulose; Bamboo pulp; Cellulose; Endoglucanase; Micro-grinding; Paper strength
Citation
BIORESOURCES, v.16, no.1, pp.964 - 978
Indexed
SCIE
SCOPUS
Journal Title
BIORESOURCES
Volume
16
Number
1
Start Page
964
End Page
978
URI
https://scholarworks.bwise.kr/gnu/handle/sw.gnu/4169
DOI
10.15376/biores.16.1.964-978
ISSN
1930-2126
Abstract
The applicability of bleached bamboo kraft pulp (Ba-BKP) was explored as a raw material for the manufacture of nanofibrillated cellulose (EN-NFC) made of enzyme-pretreated pulps and the effects of the EN-NFC on enhancing paper strength. The Ba-BKP was pretreated using an endoglucanase enzyme at 50 degrees C and pH 6, after which the EN-NFC was made by micro-grinding. Bleached hardwood kraft pulp (Hw-BKP) was used as a control, and the non-enzymatic refining pretreatment of BKPs was compared with the enzyme pretreatment. The EN-NFC was incorporated into handsheets, and the sheet strengths were measured. The physical properties of the NFC made from the Ba-BKP were similar to those made from the Hw-BKP. The NFC prepared following enzyme pretreatment were smaller and more uniform than those pretreated with refining. The EN-NFC made from the Ba-BKP was effective at enhancing tensile index by 52.7%, and burst index by 210.2% when 2% of EN-NFC was added in the furnish, and those of handsheets containing the EN-NFC made from Hw-BKP showed the similar improvement. Therefore, Ba-BKP can be used as a raw material for the manufacture of EN-NFC that confers similar physical properties and strength enhancement to paper as those made from Hw-BKP.
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농업생명과학대학 (환경재료과학과)
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