Organo-silane compounds in medium density fiberboard: physical and mechanical properties

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• 作者：Hamid Reza Taghiyari ; Ali Karimi ; Paridah Md. Tahir
• 关键词：Composite ; board ; Medium ; density fiberboard (MDF) ; Nanotechnology ; Physical and mechanical properties ; Water ; repellant ; Organo ; silane
• 刊名：Journal of Forestry Research
• 出版年：2015
• 出版时间：June 2015
• 年：2015
• 卷：26
• 期：2
• 页码：495-500
• 全文大小：959 KB
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• 作者单位：Hamid Reza Taghiyari (1)
  Ali Karimi (2) (3)
  Paridah Md. Tahir (3)
  
  1. Wood Science & Technology Department, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran
  2. Department of Wood and Paper Science & Technology, Faculty of Natural Resources, The University of Tehran, Karaj, Iran
  3. Laboratory of Biocomposite Technology, Institute of Tropical Forestry & Forest Products (INTROP), University Putra Malaysia (UPM), Serdang, Malaysia
  
• 刊物主题：Forestry;
• 出版者：Springer Berlin Heidelberg
• ISSN：1993-0607

文摘

We studied the effects of nanoparticles of organo-silane (NOS) compounds in the size range of 20-0?nm on physical and mechanical properties in medium density fiberboard, and used NOS at four consumption levels of 0, 50, 100, and 150?g kg? dry wood fibers. Density of all treatments was kept constant at 0.67?g cm?. The water-repellent property of organo-silane significantly reduced water absorption (WA) and thickness swelling but mechanical properties declined due to the reduced proportion of wood-fiber as organo-silane was added to the matrix: the compression ratio of MDF panels and the integrity among wood-fibers both declined, resulting in reduced mechanical properties. We recommend use of 50?g of NOS/kg wood-fiber to improve WA and thickness swelling while retaining acceptable mechanical properties.