Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Effects of an Inorganic Compound Added to Amino Resin Binders for Manufacture of Plywood

  • Lee, Sang-Min (Department of Forest Products, Korea Forest Research Institute) ;
  • Yoon, Kyoung-Dong (Department of Forest Products, Korea Forest Research Institute) ;
  • Park, Jong-Young (Department of Forest Products, Korea Forest Research Institute) ;
  • Park, Sang-Bum (Department of Forest Products, Korea Forest Research Institute)
  • Published : 2009.03.30
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Abstract

Curing behavior and structural property of an inorganic compound added urea-formaldehyde(UF) and urea-melamine-formaldehyde(UMF) were studied. In addition, tensile strength and formaldehyde emission of plywoods made of those resin binders were studied. Curing temperature and structure were not changed, but tensile strengths of plywoods manufactured both with a UF resin and a UMF resin were decreased slightly as increased amount of inorganic compound. Formaldehyde emissions from plywoods were reduced as increased amount of inorganic compound. Wheat flour as an extender was helped to reduce of formaldehyde emission. From the result of this study it might be estimated that using appropriate amount of inorganic compound and proper resin system can be strengthened bond strength and reduced formaldehyde emission.

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References

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