期刊
MATERIALS & DESIGN
卷 33, 期 -, 页码 419-424出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2011.04.044
关键词
Mechanical; Scanning electron microscopy; X-ray analysis
In this study, mechanical and morphological properties of wood polymer composites (WPCs) from five kinds of selected tropical light hardwoods namely Jelutong (Dyera costulata), Terbulan (Endospermum diadenum), Batai (Paraserianthes moluccana), Rubberwood (Hevea brasiliensis), and Pulai (Alstonia pneumatophora) were investigated. Methyl methacrylate (MMA) and styrene (ST) vinyl monomer mixture (50:50: volume:volume) was used in preparation of WPCs. Before being impregnated with an MMA/ST monomer mixture, wood species were chemically pretreated with 5% sodium hydroxide (NaOH) solution for the reduction of hydrophilic hydroxyl groups and impurities from the cellulose fibre in wood and to increased adhesion and compatibility of wood fibre to polymer matrix. Monomer mixture (MMA/ST) was impregnated into raw wood and NaOH pretreated wood specimens to manufacture wood polymer composite (WPC) and pretreated wood polymer composite (PWPC). Mechanical tests and microstructural analysis were conducted. Comparison has been made among the properties of raw wood, WPC and PWPC. The result reveals that PWPC yielded better mechanical and morphological properties compared to WPC and raw wood. (C) 2011 Elsevier Ltd. All rights reserved.
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