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首页> 外文期刊>Journal of Applied Polymer Science >Mechanical, Water Absorption, and Morphology of Recycled Polymer Blend Rice Husk Flour Biocomposites
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Mechanical, Water Absorption, and Morphology of Recycled Polymer Blend Rice Husk Flour Biocomposites

机译：再生聚合物共混稻壳粉生物复合材料的机械，吸水率和形态

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摘要

Rice husk flour (RHF) biocomposites based on uncompatibilized and compatibilized recycled high density polyethylene/recycled polyethylene terephthalate (rHDPE/rPET) with ethylene-glycidyl methacrylate (E-GMA) copolymer were prepared through a two-step extrusion and hot pressing with fiber loadings of 40, 60, and 80 wt %. Results showed that tensile and flexural properties increased. However, the elongation to break and impact strength decreased as the RHF loading increased. Compatibilizing polymer blend matrices can further enhance the mechanical properties. Water absorption (WA) test were examined in distilled and seawater. It is interesting to note that for composites made from uncompatibilized matrix, the calculated D and K-SR were lower in seawater, but for the compatibilized matrix composites, the D and K-SR obtained were generally lower in distilled water. However, compatibilization of rHDPE/rPET has been markedly reduced the WA and thickness swelling. Scanning electron microscope analysis of the compatibilized matrix composites confirmed the improved interfacial bonding of matrix-matrix and filler-matrix phases. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41494.
机译：通过两步挤压并在纤维负载下热压，制备了不相容和相容的再生高密度聚乙烯/再生聚对苯二甲酸乙二醇酯（rHDPE / rPET）与乙烯-甲基丙烯酸缩水甘油酯（E-GMA）共聚物的稻壳粉（RHF）生物复合材料。 40重量％，60重量％和80重量％。结果表明，拉伸和弯曲性能增加。但是，断裂伸长率和冲击强度随着RHF载荷的增加而降低。相容性聚合物共混物基质可以进一步增强机械性能。在蒸馏水和海水中检查吸水率（WA）。有趣的是，对于由不相容基质制成的复合材料，海水中的D和K-SR计算值较低，但对于相容性基质复合材料，蒸馏水中得到的D和K-SR通常较低。但是，rHDPE / rPET的相容性已显着降低了WA和厚度膨胀。相容基体复合材料的扫描电子显微镜分析证实了基体-基质相和填料-基质相的界面键得到了改善。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41494。

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