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Improvement of Bonding Strength and Water Resistance of Corrugated Board

전분 접착제의 접착 효율 및 골판지의 내수성 향상을 위한 첨가제의 적용

  • Jang, Dong-Wook (Dept. of Forest Product & Engineering, College of Agriculture, Life & Environment Sciences, Chungbuk National University) ;
  • Park, Jong-Moon (Dept. of Forest Product & Engineering, College of Agriculture, Life & Environment Sciences, Chungbuk National University)
  • 장동욱 (충북대학교 농업생명환경대학 임산공학과) ;
  • 박종문 (충북대학교 농업생명환경대학 임산공학과)
  • Received : 2015.12.08
  • Accepted : 2016.02.15
  • Published : 2016.02.28

Abstract

In order to improve the bonding efficiency of starch adhesives and water resistance of corrugated board, mixing ratio of additives dosage was changed and its effects were analyzed. When the additives dosage was increased, bonding strength, vertical compression strength, bursting strength and water resistance were increased, because of hydroxyl groups or acetyl groups in starch adhesives and cellulose fibers of corrugated board were cross-linked by additives. When 1.0% glyoxal dosage was added, flat crush strength and vertical compression strength were increased. With 1.5% glyoxal, bonding strength and bursting strength were increased. However, 2.0% glyoxal dosage was added, most of strength except bursting strength were decreased. Thus, when the appropriate amount of additives are added during corrugated board production process, increased bonding efficiency of starch adhesives and higher water resistance of corrugated board can be achieved.

Keywords

References

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