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Physical Properties of Linerboard and Corrugated Fiberboard at the Cyclic Condition of Low Humidity  

Youn, Hye-Jung (Dept. of Forest Science, College of Agriculture and Life Sciences, Seoul National University)
Lee, Hak-Lae (Dept. of Forest Science, College of Agriculture and Life Sciences, Seoul National University)
Chin, Seong-Min (Dept. of Forest Science, College of Agriculture and Life Sciences, Seoul National University)
Choi, Ik-Sun (Dept. of Forest Science, College of Agriculture and Life Sciences, Seoul National University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.39, no.2, 2007 , pp. 38-44 More about this Journal
Abstract
The hygroscopic property of paper is important for convertability and end use performance. When the board and corrugated fiberboard are exposed to low relative humidity, a trouble of score (or crease) cracking could occur. In this study, we evaluated the moisture content and mechanical properties of linerboard and corrugated board at the cyclic condition of low humidity to prevent a score crack trouble. As the relative humidity decreased from 50% to 38% and 25%, the moisture content of linerboard decreased about 7% to 6% and 4%. At low humidity, most of mechanical properties were improved except for strain. The linerboard exposed at 25% RH showed a remarkable reduction of strain by 11%. At the same relative humidity, linerboard and corrugated fiberboard showed the different property values depending on moisture hysteresis.
Keywords
linerboard; corrugated fiberboard; low humidity; cycle; score crack; strain;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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