Proceedings IRG Annual Meeting (ISSN 2000-8953) © 2014 The International Research Group on Wood Protection IRG/WP 14-40652 THE INTERNATIONAL RESEARCH GROUP ON WOOD PROTECTION Section 4 Processes and properties Nano-Zycosil in MDF. Part I: Gas and Liquid Permeability Hamid Reza Taghiyari 1 Ali Karimi 2,3 Paridah MD Tahir 2 Olaf Schmidt 4 Ehsan Bari 5 Pezhman Nouri 1 Asghar Jahangiri 1 1 Wood Science and Technology Department, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, 021-22970021, Tehran, Iran. 2 Department of Biocomposite Technology, Institute of Tropical Forestry & Forest products (INTROP), University Putra Malaysia (UPM), Kualalumpur, Malaysia. 3 Institute of Tropical Forestry & Forest products (INTROP), University Putra Malaysia (UPM) & Dept. of Wood Science & Technology, Faculty of Natural Resources, The University of Tehran, Iran. 4 Department of Wood Biology, University of Hamburg, Leuschnestr 91, 21031 Hamburg, Germany 5 Department of Wood and Paper Science, Section of wood Modification and Preservation, Sari Agriculture and Natural Resources University, Sari, Iran. Paper prepared for the 45 th Annual Meeting St George, Utah, USA 11 – 15 May 2014 IRG SECRETARIAT Box 5609 SE-114 86 Stockholm Sweden www.irg-wp.com Disclaimer The opinions expressed in this document are those of the author(s) and are not necessarily the opinions or policy of the IRG Organization.