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首页> 外文会议>Society of Plastics Engineers Annual Technical Conference; 20070506-11; Cincinnati,OH(US) >The influence of fibre length and concentration on the properties of sisal fibre reinforced polypropylene composites
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The influence of fibre length and concentration on the properties of sisal fibre reinforced polypropylene composites

机译：纤维长度和浓度对剑麻纤维增强聚丙烯复合材料性能的影响

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摘要

In this work we investigated the influence of length and concentration of sisal fibres in PP for injection moulded composites. The fibres were incorporated into the matrix with a co-rotating twin screw extruder, in order to get the different compounds, which were injection moulded subsequently. The actual fibre length was determined after an extraction with xylene. Tensile strength and modulus and Charpy impact properties were measured and the flow curves were recorded with a capillary rheometer. The results show good correlations with the fibre length of the composites, and the tensile strength as well as the notched Charpy impact strength can be evaluated using rule-of-mixture like models.
机译：在这项工作中，我们调查了剑麻纤维的长度和浓度对聚丙烯在注塑复合材料中的影响。用同向旋转双螺杆挤出机将纤维掺入基质中，以得到不同的化合物，随后将其注塑。用二甲苯萃取后确定实际的纤维长度。测量拉伸强度和模量以及夏比冲击性能，并用毛细管流变仪记录流动曲线。结果显示与复合材料的纤维长度具有良好的相关性，并且可以使用类似混合规则的模型评估拉伸强度以及缺口夏比冲击强度。

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