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首页> 外文期刊>International Journal of Polymer Science >Composites from Thermoplastic Natural Rubber Reinforced Rubberwood Sawdust: Effects of Sawdust Size and Content on Thermal, Physical, and Mechanical Properties
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Composites from Thermoplastic Natural Rubber Reinforced Rubberwood Sawdust: Effects of Sawdust Size and Content on Thermal, Physical, and Mechanical Properties

机译：热塑性天然橡胶增强橡胶木屑的复合材料：木屑的大小和含量对热，物理和机械性能的影响

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摘要

The aim of this work is to investigate the effects of rubberwood sawdust (RWS) size and content as well as the ratio of natural rubber (NR)/high-density polyethylene (HDPE) blend on properties of RWS reinforced thermoplastic natural rubber (TPNR) composites. The addition of RWS about 30–50 wt% improved the modulus of the rupture and tensile strength of TPNR composites blending with NR/HDPE ratios of 60/40 and 50/50. TPNR composites reinforced with RWS 80 mesh yielded better tensile strength and modulus of rupture than the composites with RWS 40 mesh. The TPNR/RWS composites with larger HDPE content gave higher tensile, flexural, and Shore hardness properties and thermal stability as well as lower water absorption. The TPNR/RWS composites with larger plastic content were therefore suggested for applications requiring high performance of thermal, physical, and mechanical properties.
机译：这项工作的目的是研究橡胶木屑（RWS）的大小和含量以及天然橡胶（NR）/高密度聚乙烯（HDPE）共混物的比例对RWS增强热塑性天然橡胶（TPNR）性能的影响复合材料。 RWS的添加量约为30–50 wt％，与NR / HDPE比为60/40和50/50的TPNR复合材料相比，其断裂模量和拉伸强度得到了改善。用RWS 80筛网增强的TPNR复合材料比使用RWS 40筛网的复合材料具有更好的拉伸强度和断裂模量。具有较高HDPE含量的TPNR / RWS复合材料具有较高的拉伸，挠曲和肖氏硬度特性，热稳定性以及较低的吸水率。因此，建议将具有较大塑料含量的TPNR / RWS复合材料用于要求高性能的热，物理和机械性能的应用。

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