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High-density polyethylene/wood fiber composites: Measuring the effect of processing parameters on their physical and mechanical properties.

机译：高密度聚乙烯/木纤维复合材料：测量加工参数对其物理和机械性能的影响。

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摘要

High-density polyethylene (HDPE) is number one in the total amount used for plastic containers and packages. Recycling of HDPE is preferred but it cannot provide the same properties as pure HDPE does. Lately, the addition of natural fiber reinforcement to improve overall performance has been rising. This study investigated the effects of processing parameters (screw speed and position of fiber introduction) on the mechanical properties of HDPE/wood fiber composites. Tensile properties, impact strength, and water absorption were evaluated.; It was found that fiber-loading at port II provided higher tensile properties than at port I. Higher impact strength was obtained when wood fiber was loaded via port I. In the case of screw speed, the highest tensile properties were obtained when a moderate screw speed was used (100 RPM). The highest impact strength and water absorption were obtained when 80-RPM and 120-RPM were used, respectively.
机译：高密度聚乙烯（HDPE）在用于塑料容器和包装的总量中排名第一。最好回收HDPE，但它不能提供与纯HDPE相同的性能。近来，增加天然纤维增强以改善整体性能的趋势正在增加。这项研究调查了加工参数（螺杆速度和纤维引入位置）对HDPE /木纤维复合材料力学性能的影响。评估拉伸性能，冲击强度和吸水率。发现在端口II处加载纤维比在端口I处提供了更高的拉伸性能。通过端口I加载木材纤维时获得了更高的冲击强度。在螺杆速度的情况下，当使用适度的螺杆时可获得最高的拉伸性能。使用速度（100 RPM）。分别使用80-RPM和120-RPM可获得最高的冲击强度和吸水率。

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