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Vol. 25 No. 5 (2013): Vol 25 Issue 5

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Experimental Study on Injection Molding of Wheat-Straw/High-Density Polyethylene Composites

https://doi.org/10.14233/ajchem.2013.13805
Yuanyuan Zhou
Institute of Enviromental & Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou, P.R. China
Song Li
Institute of Electric Power, North China University of Water Resources and Electric Power, Zhengzhou, P.R. China

Corresponding Author(s) : Yuanyuan Zhou

zhouyuanzy2004@163.com

Asian Journal of Chemistry, Vol. 25 No. 5 (2013): Vol 25 Issue 5

Abstract

Now-days, most polymeric composites with natural fibers are typically processed by compression-molding. It is a challenge to embed natural fibers for manufacturing injection-molded parts. This study examined the feasibility of manufacturing wheat-straw flour and high-density polyethylene composites by employing injection molding method. The melt flow index (MFI) and thermal analysis (DSC and TGA) of composites with different wheat-straw flour contents were characterized. The tensile, flexural and impact properties of injection molded wheat-straw/high-density polyethylene samples were measured. It has been found that the melt points of composites were about 135ºC when wheat straw content was less than 30 wt %. In addition, the results show that the fluidity, tensile strength and impact strength of the composites decreased while the wheat-straw content increased. However, the flexural strength of the composites increased slightly with the increase in wheat straw flour content.

Keywords

Wheat-straw/HDPE composite Injection molding Mechanical properties
Zhou, Y., & Li, S. (2012). Experimental Study on Injection Molding of Wheat-Straw/High-Density Polyethylene Composites. Asian Journal of Chemistry, 25(5), 2767–2770. https://doi.org/10.14233/ajchem.2013.13805
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