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Production of High Loaded Paper by Dual Flow Additions of Fillers (I) -Effects of Filler Addition at Thick Stock on Paper Properties and Papermaking Process -  

Cho, Byoung-Uk (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University)
Kim, Hyuk-Jung (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University)
Won, Jong-Myoung (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.43, no.4, 2011 , pp. 23-30 More about this Journal
Abstract
Fillers have been used for papermaking in order to enhance the optical properties, to improve sheet formation, printability and dimensional stability and to reduce the furnish cost. However, filler particles in paper interfere with fiber-fiber bonding, resulting in decreased paper strength. In order to increase filler content in paper without sacrificing too much paper strength, dual addition technology of fillers was investigated. As a first step, the effects of thick stock addition of fillers on paper properties and papermaking process were elucidated. It was shown that thick stock addition of fillers could increase paper strength at a given filler content. No significant adverse effects on formation, drainage and filler retention were observed. However, bulk of paper was reduced with thick stock addition of fillers, which shall be resolved with regulating other factors such as the mixing ratio of pulps and type of fillers.
Keywords
High loading; dual flow addition of fillers; thick stock addition; paper strength; bulk;
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Times Cited By KSCI : 5  (Citation Analysis)
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