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Mechanical and water absorption properties of sawdust-low density polyethylene nanocomposite

机译:锯末-低密度聚乙烯纳米复合材料的机械和吸水性能

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摘要

In this research, effect of nanoclay (Cloisite10A), coupling agent (MAPE), spruce sawdust and electron beam irradiation dose on mechanical and water absorption properties of sawdust-low density polyethylene nanocomposite are investigated. Design of the experiments (DOE) is performed by the statistical Taguchi method. The XRD analysis depicts partially intercalated/exfoliated nanocomposites. The findings reveal that increasing cloisite10A concentration from 2.5 to 7.5 wt % has improved the tensile and bending strengths and modulus also water diffusion coefficient is reduced. Increase the sawdust content from 40 to 60 wt % not only markedly increases the tensile and flexural properties but also increases water diffusion coefficient and reduces toughness significantly. Electron beam irradiation dose of 60 kGy improves the tensile and flexural properties and decreases water diffusion coefficient. The SEM micrographs confirm a suitable coherence between lignocelluloses filler phase and low density polyethylene matrix.
机译:在这项研究中,研究了纳米粘土(Cloisite10A),偶联剂(MAPE),云杉木屑和电子束辐照剂量对木屑低密度聚乙烯纳米复合材料的机械和吸水性能的影响。实验的设计(DOE)是通过统计学的田口方法进行的。 XRD分析描绘了部分嵌入/剥离的纳米复合材料。研究结果表明,将cloisite10A的浓度从2.5 wt%增加到7.5 wt%可以提高拉伸强度和弯曲强度以及模量,并且可以降低水扩散系数。将木屑含量从40 wt%增加到60 wt%,不仅显着提高了拉伸和弯曲性能,而且还增加了水扩散系数并显着降低了韧性。 60 kGy的电子束辐照剂量可改善拉伸和弯曲性能,并降低水扩散系数。 SEM显微照片证实了木质纤维素填料相和低密度聚乙烯基体之间的合适的相干性。

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