Journal of the Korea Furniture Society (한국가구학회지)

Korea Furniture Society (한국가구학회)
권호 표지

The Bending Strength and Adhesive Properties of PRF and MUF Glulam

PRF, MUF 집성재의 휨 강도와 접착 성능 평가

  • Park Jun-Chul (Department of Wood science & Engineering, College of Forest Sciences, Kangwon National University) ;
  • Kim Keon-Ho (Department of Wood science & Engineering, College of Forest Sciences, Kangwon National University) ;
  • Hong Soon-Il (Department of Wood science & Engineering, College of Forest Sciences, Kangwon National University)
  • 박준철 (강원대학교 산림과학대학 임산공학과) ;
  • 김건호 (강원대학교 산림과학대학 임산공학과) ;
  • 홍순일 (강원대학교 산림과학대학 임산공학과)
  • Published : 2004.08.01
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Abstract

As glulam is a woody material, it is necessary to be more careful in a gluing process. It takes 6-7 hours at $40-60^{\circ}C$ to harden PRF resin used in making structural glulam, and about 24 hours at room temperature. In the present process which can not use a press continuously, reducing the hardening time is necessary to increase production. The experiment was done to compare the adhesive properties of PRF resin and MUF resin through bending test, block shear strength test and water soaking test. In comparing the bending strength of prediction MOE is 1.2 times higher that actual MOE. PRF and MUF do not show significant difference in MOE and MOR, and in block shear strength test, such as shear strength and wood failure rate. However, in water soaking and boiling water soaking tests PRF and MUF show the significant difference in delamination rate.

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