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Water repellent effect and dimension stability of beech wood impregnated with nano-zinc oxide


Soltani, Mojtaba and Najafi, Abdollah and Yousefian, Samane and Naji, Hamid Reza and Bakar, Edi Suhaimi (2013) Water repellent effect and dimension stability of beech wood impregnated with nano-zinc oxide. BioResources, 8 (4). pp. 6280-6287. ISSN 1930-2126


The objective of this study was to quantify the influence of zinc oxide nanoparticles (nano-ZnO) on the water repellency and dimensional stability of beech wood. Beech wood blocks were treated with a nano-ZnO solution at four treatment levels (0, 10,000, 20,000, and 40,000 ppm) using a modified dip method. Also, a thermal treatment was performed at 60 and 120°C. After conditioning the samples, water absorption, volumetric swelling, water repellency effectiveness, and anti-shrink/anti-swell efficiency were determined within 24 h of soaking time. The results indicated that the nano-ZnO used for wood modification greatly improved dimensional stability and reduced the hygroscopicity of the wood. In addition, the Fourier-transform infrared spectroscopy (FTIR) analysis suggested a strong interaction between the nano-ZnO and the chemical components of wood. The heat treatment effectively improved the effects of nano-ZnO.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Forestry
Publisher: North Carolina State University
Keywords: Anti-swell efficiency; Beech wood; FTIR; Nano-zinc oxide; Water repellency effectiveness
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 25 Apr 2016 02:16
Last Modified: 25 Apr 2016 02:16
URI: http://psasir.upm.edu.my/id/eprint/29150
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