Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Development of Oriented Strand Board from Acacia Wood (Acacia mangium Willd): Effect of Pretreatment of Strand and Adhesive Content on the Physical and Mechanical Properties of OSB

  • Febrianto, Fauzi (Forest Products Department, Faculty of Forestry, Bogor Agricultural University) ;
  • Royama, Lincah Ida (Forest Products Department, Faculty of Forestry, Bogor Agricultural University) ;
  • Hidayat, Wahyu (Department of Forest Products Science, College of Agriculture, National Chiayi University) ;
  • Bakar, Edi S. (Department of Forest Production, Faculty of Forestry, University Putra Malaysia) ;
  • Kwon, Jin-Heon (College of Forest and Environmental Sciences, Kangwon National University) ;
  • Kim, Nam-Hun (College of Forest and Environmental Sciences, Kangwon National University)
  • Received : 2008.09.25
  • Accepted : 2008.11.14
  • Published : 2009.03.25
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Abstract

Acacia wood (Acacia mangium Willd.) is the most popular fast growing tree species planted in timber estate in Indonesia and is considered to be very valuable raw materials for structural composite products. The objective of the research was to evaluate the properties of OSB prepared from A. Mangium wood with or without immersing the strands to hot water at $80^{\circ}C$ for 2 hours. MDI adhesive was used in 3 levels i.e., 3%, 5%, and 7%. The moisture content of strand was 7%. The results indicated that immersing strands in hot water for 2 hours at $80^{\circ}C$ prior to manufacture OSB improved significantly the mechanical peoperties (i.e., MOR and MOE) of OSB. The higher the adhesive content resulted in the better the dimensional stabilisation (i.e., water absorption and thickness swelling) and the mechanical properties (i.e., MOR, MOE and IB) of OSB. OSB prepared from hot-water immersed strands with 5% adhesive content has met all parameters requirement on the JIS A 5908 (2003) standard.

Keywords

Acknowledgement

Supported by : Korea Forest Service

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