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논문 기본 정보

자료유형
학술저널
저자정보
박성규 (경상국립대학교) 탁지현 (경상국립대학교) 김민서 (경상국립대학교) 이지수 (경상국립대학교) 이지영 (경상국립대학교) 하준식 (남강제지)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제56권 제5호(통권 제220호)
발행연도
2024.10
수록면
49 - 57 (9page)

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In this study, we evaluated carbon black's adsorption properties and high fixation conditions for improving the lightproof base paper for fruit bags. Carbon black is a black pigment that has been used in fruit bags to improve lightproof. Particle size and zeta potential of carbon black were measured. The fiber properties of old newsprint, feed bag, and kraft paper used to manufacture hand sheets were analyzed. Hand sheets were prepared by changing the carbon black dosage and the stirring time after addition. The carbon black had a negative charge and a smaller particle size than other fillers used in the papermaking process. However, through SEM images, we observed that carbon black particles are agglomerating with each other. The fiber length and fiber width of kraft paper were greater than those of other pulps, but the fines content of kraft pulp was less than that of feed bag. Carbon black dosage and stirring time were set to 8, 12, 16, and 20% and 2, 10, and 30 minutes, respectively. As the carbon black dosage and stirring time increased, the L* value of the hand sheets decreased. However, it was confirmed that the L value hardly changed when the carbon black dosage and stirring time increased beyond a certain level. As a result of comparing the L* values for each type of pulp, the L* value of the feed bag decreased the most. These results suggested that fiber properties affect carbon black adsorption. Therefore, if the carbon black dosage and stirring time are increased to a certain level and the fiber properties are taken into consideration, it is expected that the lightproof of fruit bags can be improved.

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ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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