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Effects of Species on the Isocyanate-bonded Flakeboard Properties

Kwon, Jin Heon   (Department of Wood Science and Engineering, College of Forest and Environmental Sciences, Kangwon National UniversityUU0000037  );
  • 초록

    Flakeboards made from ring- and drum-cut flakes of Douglas-fir, hemlock, red lauan and kapur using two kinds of resin levels were evaluated for the selected properties according to flake thickness. The pH and buffering capacity of four species were determined. Those of kapur were extremely different from the other three species. These pH and buffering capacity values result in the poor internal bond strength of kapur flakeboard. The internal bond strength was affected significantly by flake thickness, resin content and species. MOR and MOE in bending strength were maximized at medium drum-cut flake thickness. Screw holding strength was not consistent for flake thickness, but it was influenced by species. Thickness swelling and water absorption of Douglas-fir and hemlock flakeboard were minimized at medium drum-cut flake thickness.


  • 주제어

    buffering capacity .   flakeboard .   internal bond strength .   ring-cut .   drum-cut .   screw holding strength .   bending strength.  

  • 참고문헌 (18)

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