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首页> 外文期刊>Vacuum: Technology Applications & Ion Physics: The International Journal & Abstracting Service for Vacuum Science & Technology >Manipulation of thermo-mechanical, morphological and electrical properties of PP/PET polymer blend using MWCNT as nano compatibilizer: A comprehensive study of hybrid nanocomposites
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Manipulation of thermo-mechanical, morphological and electrical properties of PP/PET polymer blend using MWCNT as nano compatibilizer: A comprehensive study of hybrid nanocomposites

机译：使用MWCNT作为纳米增容剂的PP / PET聚合物共混物的热机械，形态学和电性能的操纵：杂交纳米复合材料的综合研究

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摘要

In this paper, the electrical resistivity, morphology and dynamic mechanical properties of in-situ reinforced microfibrillar composites (MFNC-C) based on polypropylene reinforced with polyethylene terephthalate (PET)-multiwalled carbon nanotubes (MWCNT) fibres have been investigated. Influence of various factors such as the effect of the morphology, CNT composition and the nano compatibilizer effect of CNT on the in-situ reinforced microfibrillar nanocomposites, have been analysed. The dynamic mechanical analysis (DMA) showed that the storage modulus microfibrillar composites are precisely related to the fibrils morphology and composition of CNT. It is found that the presence of CNTs on the fibrils surface has improved the storage modulus as well as normalized storage modulus. The results of four probe analysis showed that by increasing CNTs content, the resistivity remarkably decreased with respect to the morphology of the of nanocomposites. Also, scanning electron microscopy images likewise revealed that the preferential localization of MWCNT on to the PET microfibrils enhanced the compatibility between PET fibrils and PP matrix. Hence, The in -situ formation of fibrillar morphology along with MWCNTs is highly useful in terms of mechanical and electrical performance of the resultant nanocomposites. We assume that the optimized results of this work may open an alternative path for the production of commercially important polymer nanocomposite based on the incompatible immiscible blends.
机译：本文研究了基于聚对苯二甲酸乙二醇酯（PET） - 苯甲酸乙二醇酯（PET） - MWCLIIWALD碳纳米管（MWCNT）纤维的原位增强微纤维复合材料（MFNC-C）的电阻率，形态和动态力学性能。分析了各种因素的影响，如形态，CNT组成和CNT纳米增容效应对原位增强微纤维纳米复合材料的影响。动态机械分析（DMA）显示储存模量微纤维组合材料与原纤维形态和CNT组成恰好相关。发现原纤维表面上的CNT的存在改善了储存模量以及归一化储存模量。四种探针分析的结果表明，通过增加CNT含量，相对于纳米复合材料的形态显着降低的电阻率。此外，扫描电子显微镜图像同样揭示了MWCNT对PET微纤维的优先定位增强了PET原纤维和PP基质之间的相容性。因此，在合成的纳米复合材料的机械和电性能方面具有MWCNT的纤维状形态的in -situ形成。我们假设该工作的优化结果可以在基于不相容的不混溶的共混物的基础上开放用于生产商业上重要的聚合物纳米复合材料的替代路径。

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