Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/69029
標題: Effects of wood particle size and mixing ratios of HDPE on the properties of the composites
作者: Chen, H.C.
Chen, T.Y.
Hsu, C.H.
Project: Holz Als Roh-Und Werkstoff
期刊/報告no:: Holz Als Roh-Und Werkstoff, Volume 64, Issue 3, Page(s) 172-177.
摘要: 
The main goal of this research is to innovate wood-plastic composites by using various wood particle sizes and different mixture ratios (weight ratio) of HDPE. (High Density Polyethylene). After mixing the wood particles (recycled wood waste) and the plastic powder, we use a molding and pressing process to make composites with a thickness of 12 mm. By doing so, the wood particle content can be increased to 75%. This kind of composite provides excellent dimensional stability, its moisture content is under 2.5%, and the thickness swelling rate after 24 hr water absorption is under 7.5%. The maximum static bending strength of this composite reaches 20.7 N/mm(2), and is better than that of general commercial particleboards. The composite made of larger sized wood particles has better strength properties. In addition, when the plastic content ratio increases, the dimensional stability of the composite will increase as well. After the soaking process in boiling water, the static bending strength of wet composite remained at 50%; this shows the good weather resistance of the composite. The surface veneer overlaid peeling strength of the composite showed 1.02-1.63 N/mm. After the evaluation of processing, cost of material and strength properties of the composite, we would suggest that the use of 70% of wood particles and 30% of plastic powder is practical to produce proper sized composites.
URI: http://hdl.handle.net/11455/69029
ISSN: 0018-3768
DOI: 10.1007/s00107-005-0072-x
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