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논문 기본 정보

자료유형
학술저널
저자정보
조해민 (경상대학교) 이지영 (경상대학교) 김수호 (경상대학교) 이연희 (경상대학교) 김철환 (경상대학교)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제52권 제5호(통권 제196호)
발행연도
2020.10
수록면
79 - 87 (9page)
DOI
10.7584/JKTAPPI.2020.10.52.5.79

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초록· 키워드

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In this study, we evaluated the applicability of fruit by-products as raw materials for the production of cellulose nanofibril (CNF). The persimmon byproducts generated by pruning persimmon trees were collected and used for the manufacture of bleached kraft pulp and CNFs. The persimmon byproduct bleached kraft pulp (PB-BKP) was made at the optimum pulping and bleaching conditions reported in the previous study and the CNFs were made from PB-BKP and commercial hardwood bleached kraft pulp (Hw-BKP) by refining and micro-grinding processes. After micro-grinding, the particle size, viscosity, zeta potential, and fiber width were evaluated according to the pass number of fibrillation. The appearance of the CNF slurries showed no significant difference between PB-BKP and Hw-BKP. It was found that nanoization of PB-BKP and Hw-BKP proceeded sufficiently when the pass number was five or more. In addition, as the pass number increased, the low shear viscosity of CNF increased, the particle size decreased, and no significant change was observed in the zeta potential. Looking at each pulp, CNF made of PB-KBP had higher fiber width and particle size than Hw-BKP in the initial pass number, but the difference decreased when the pass number was nine. Therefore, CNF made with PB-BKP and CNF made with Hw-BKP showed similar characteristics after the sufficient pass number of micro-grinding. Based on the results, we concluded that persimmon tree by-products can be used as raw materials for the production of CNF.

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ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2020-586-001591529