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자료유형
학술저널
저자정보
조해민 (경상국립대학교) 이연희 (경상국립대학교) 김도훈 (경상국립대학교) 이수현 (경상국립대학교) 이지영 (경상국립대학교)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제53권 제6호(통권 제203호)
발행연도
2021.12
수록면
12 - 19 (8page)
DOI
10.7584/JKTAPPI.2021.12.53.6.12

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초록· 키워드

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In this study, we investigated the effect of enzyme-pretreated cellulose nanofiber (EN-CNF) on the strength of the coloring paper used for the production of fruit bags. A prototype of EN-CNF was made by Moorim P&P for a mill trial using bamboo bleached kraft pulp (Ba-BKP) and hardwood BKP (Hw-BKP) and its characteristics were analyzed. The handsheets were produced by adding EN-CNF into the Hw-BKP furnish and their physical properties were measured in a laboratory study to determine the optimum dosage of the EN-CNF in a mill trial. A mill trial was carried out to identify the effect of EN-CNF on the strength of coloring paper and white water qualities in the production process of the coloring paper.
The average particle size and fiber width of EN-CNF were measured to be 14.1 μm and 43.8 nm, respectively, and the strength of the handsheets linearly increased as the dosage of EN-CNF increased. In addition, the bulk and light-scattering coefficients of the handsheets decreased depending on the dosage of EN-CNF. As a result of the mill trial, the EN-CNF was effective for improving tensile strength by 23%, and burst strength by 22% when 0.75% of EN-CNF was added into the stock, and the white water quality did not change significantly according to EN-CNF addition. Therefore, it was concluded that EN-CNF could effectively improve coloring paper strength without causing major changes in the production process.

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ABSTRACT
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2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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