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首页> 外文期刊>Journal of Applied Polymer Science >Effects of compatibilizer, compounding method, extrusion parameters, and nanofiller loading in clay-reinforced recycled HDPE/PET nanocomposites
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Effects of compatibilizer, compounding method, extrusion parameters, and nanofiller loading in clay-reinforced recycled HDPE/PET nanocomposites

机译：增容剂，增塑方法，挤出参数和纳米填料在粘土增强的再生HDPE / PET纳米复合材料中的影响

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Nanocomposites based on recycled high density polyethylene (rHDPE), recycled polyethylene terephthalate (rPET), and organoclay (C10A) were made using twin screw extruder followed by hot pressing. The independent effects of polymer/clay compatibility, preparation method, extrusion parameters, and clay loadings were investigated. Ethylene-glycidyl methacrylate could effectively improve the compatibilization of immiscible rHDPE/rPET blend with clay, which confirmed by the good polymers-clay adherence and domain size reduction obtained in scanning electron microscopy images. Although intercalated structures were observed in the composites made by one-step compounding, in the composites prepared by two-step extrusion method, enhanced dispersion of clay in polymer blend was found from X-ray diffraction results. Higher extrusion temperature and intermediate speed of rotation (90 rpm) appeared to increase the mechanical properties due to improvement of nanofiller dispersion in matrix. Results showed that the stiffness increased whereas tensile and impact strength decreased with clay content. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42287.
机译：使用双螺杆挤出机，然后进行热压，制备基于回收的高密度聚乙烯（rHDPE），回收的聚对苯二甲酸乙二醇酯（rPET）和有机粘土（C10A）的纳米复合材料。研究了聚合物/粘土相容性，制备方法，挤出参数和粘土含量的独立影响。乙烯-甲基丙烯酸缩水甘油酯可有效改善不混溶的rHDPE / rPET共混物与粘土的相容性，这在扫描电子显微镜图像中获得了良好的聚合物-粘土粘附性和域尺寸减小的证实。尽管在一步混合法制得的复合材料中观察到插层结构，但在通过两步挤出法制得的复合材料中，从X射线衍射结果可以看出粘土在聚合物共混物中的分散性增强。由于改善了纳米填料在基体中的分散性，较高的挤出温度和中等旋转速度（90 rpm）似乎增加了机械性能。结果表明，随着粘土含量的增加，刚度增加，而拉伸强度和冲击强度降低。 （c）2015 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，42287。

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