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논문 기본 정보

자료유형
학술저널
저자정보
이지영 (경상대학교) 이종석 (원창포장공업) 최재성 (원창포장공업) 조해민 (경상대학교) 김경민 (경상대학교) 김수호 (경상대학교) 김철환 (경상대학교)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제51권 제3호(통권 제188호)
발행연도
2019.6
수록면
32 - 38 (7page)
DOI
10.7584/JKTAPPI.2019.06.51.3.32

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초록· 키워드

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In a previous study, we found that the deep pores in the coating layers of imported fish block liner have higher Cobb size degrees and lower Gurley air permeability than the domestic prototype block liners and coated linerboards. However, it is impossible to obtain such pores when using the conventional wax coating process; thus, a new coating method is required.
In this study, we evaluated a new technique to achieve porous coating layers in coated linerboard. Various mixtures of paraffin wax, low density polyethylene (LDPE), and ethylene vinyl acetate (EVA) were prepared. Then, water spraying was used during conventional coating process to form the pores. The surface of samples coated with and without water spray were analyzed using scanning electron microscopy (SEM). The Cobb size degree and Gurley porosity of coated linerboard were measured in the SEM images to assess the existence of deep pores in the wax coating layer.
The 80:15:5 mixture of paraffin wax, LDPE, and EVA reduced the Gurley porosity of coated linerboard. Water spraying was an effective method to obtain porous wax coating layers; better results were observed when using cold water. In addition, a relatively low mixing temperature of the paraffin wax, LDPE, and EVA led to an adequate formation of pores in the wax coating layer. A linerboard with properties similar to those of imported fish block liner was successfully obtained; this material could be used for manufacturing domestic fish block liner.

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ABSTRACT
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2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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