Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Correlation Analysis Between Physical Properties of Linerboard and Score Crack

괘선터짐과 라이너지 물성간의 상관성 분석

  • Chin, Seong-Min (Dept. of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) ;
  • Youn, Hye-Jung (Dept. of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) ;
  • Lee, Hak-Lae (Dept. of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University)
  • 진성민 (서울대학교 농업생명과학대학 산림과학부) ;
  • 윤혜정 (서울대학교 농업생명과학대학 산림과학부) ;
  • 이학래 (서울대학교 농업생명과학대학 산림과학부)
  • Published : 2009.03.31
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Abstract

Cracking of scored or creased lines on boards is a serious problem in converting process of corrugated fiberboard. It is important to reduce the possibility of score crack in advance by controlling the related quality factors of linerboard. To find out the key properties affecting score crack, we carried out the correlation analysis between score crack and physical properties of linerboards. Score crack was evaluated by visual rating on surface crack after folding a linerboard using laboratory folding resistance tester. Thickness of linerboard was the most important factor to score crack. The critical limits of thickness and strain can be determined by correlation analysis for reducing the possibility of score crack.

Keywords

References

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