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논문 기본 정보

자료유형
학술저널
저자정보
최경화 (강원대학교) 박정은 (국립산림과학원) 조준형 (강원대학교)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제50권 제2호(통권 제181호)
발행연도
2018.4
수록면
13 - 19 (7page)
DOI
10.7584/JKTAPPI.2018.04.50.2.13

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초록· 키워드

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Effects of molecular weight and charge density of a C-PAM (cationic polyacrylamide) used as a retention aid on the flocculation of the pulp slurry have been investigated by measuring a hydrostatic pressure using the hydrostatic pressure tester (HYSTAP). It was found that a hydrostatic pressure of pulp slurry was increased with increasing C-PAM dosages. Flocculation property between PCC (precipitated calcium carbonate) and pulp fibers in pulp slurry was improved by C-PAM addition. Especially, the flocculation property of pulp slurry increased with when higher molecular weights and charge densities of C-PAM were added. While, the formation of handsheets was decreased with the improvement of flocculation property of pulp slurry samples by addition of C-PAM. These decreasing tendency was corresponding with the increasing changes of hydrostatic pressure of pulp slurry samples in respect of molecular weights and charge densities of CPAM. The tensile strength of handsheets was slightly decreased by addition of C-PAM while the burst strength was not changed. The changes in tensile strength of handsheet according to a molecular weight of C-PAM were agreed with those of a hydrostatic pressure. But, the changes in respect with the charge density of C-PAM wasn’t corresponding with the change of a hydrostatic pressure. In other words, tensile strength of handsheet was most decreased by addition of the C-PAM having a lowest charge density.

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

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UCI(KEPA) : I410-ECN-0101-2018-586-002101582