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Thermal, Morphological and Dynamic Mechanical Characterization of Melt blended PC Nanocomposites

机译：熔融混合PC纳米复合材料的热，形态和动态力学表征

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Polycarbonate (PC) nanocomposites were prepared by melt intercalation technique in an intermeshing co-rotating twin-screw extruder. Both unmodified (Na~+MMT) and organo-modified (Cloisite 10A & OMMT) clays were used for the preparation of nanocomposites. The effect of addition of clays on the morphological and dynamic mechanical properties of PC matrix has been studied. The wide angle X-ray (WAXD) studies reveal a dominated exfoliated morphology of the nanocomposites at a clay content of 5%. The intercalated morphology is predominated upto clay content of 3%. Transmission electron microscopy (TEM) demonstrated the co-existance of intercalated/exfoliated morphology in all the composites. Dynamic mechanical analysis (DMA) shows an increase in storage modulus indicating higher stiffness in case of organomodified clay filled composites as compared to unmodified & virgin matrix.
机译：通过熔融嵌入技术在啮合的共旋转双螺杆挤出机中制备聚碳酸酯（PC）纳米复合材料。未改性（Na〜+ MMT）和有机改性（Cloisite 10A和OMMT）粘土均用于制备纳米复合材料。研究了添加粘土对PC基质形态和动态力学性能的影响。广角X射线（WAXD）研究揭示了纳米复合材料的主要剥离形态，粘土含量为5％。嵌入形态占含有3％的粘土含量。透射电子显微镜（TEM）证明了所有复合材料中嵌入/剥离形态的共存。动态机械分析（DMA）显示了在与未修饰和原子基质相比的有机化化粘土填充复合材料的情况下表明储存量模的增加。

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