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스페이서 사용에 의한 OCC 압착공정의 고형분 증대 (II)
정재권(Jae Kwon Jung),지성길(Sung Jil Ji),서영범(Yung Bum Seo) 한국펄프·종이공학회 2015 펄프.종이기술 Vol.47 No.3
Linerboards containing wood flours were developed to increase solid contents in wet pressing process. Presence of wood flours in recycled fibers allowed passage of pressurized water at high wet pressing pressure, and increased solid contents while keeping the bulk of the board. The amount of wood flour addition should be controlled based on the intensity of the wet pressing pressure and the properties of the wood flours. Addition of cationic starch to the wood flour containing OCC furnish showed synergic increase of solid content and strength properties. Shapes of the wood flours such as spherical and rod type added to OCC furnish affected largely their solid content, drainage, and board physical properties.