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首页> 外文期刊>Journal of Applied Polymer Science >Studies of particle dispersion in plasticized poly(vinyl chloride)/montmorillonite nanocomposites
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Studies of particle dispersion in plasticized poly(vinyl chloride)/montmorillonite nanocomposites

机译：增塑聚氯乙烯/蒙脱土纳米复合材料中颗粒分散性的研究

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摘要

Poly(vinyl chloride)(PVC) and dioctyl phthalate (DOP) were mixed with 5 and 10 wt % of Cloisite Na~+, Cloisite 30B or Cloisite 93A. The obtained nanocomposites were characterized by thermal analysis using a thermogravimetric analyzer which showed that addition of 5 wt % of nanoclay to PVC increased its thermal stability in the sequence: Cloisite Na~+< Cloisite 93A< Cloisite 30B. The electrical conductivity of these composites was studied as a function of temperatures and showed that the conductivity of PVC was enhanced upon using 5 wt % of nanoclay in the sequence: Cloisite Na~+< Cloisite 30B < Cloisite 93A. The activation energy of interaction of PVC with nanoclay was found to be lowest for the composite containing 5 wt % of nanoclay in the same sequence. The tensile strength, elongation (%), and Young's modulus were considerably enhanced upon increasing the clay content to 5 wt % in the sequence: Cloisite Na~+< Cloisite 93A < Cloisite 30B. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to study these nanocomposite structures, and it was found that the organoclay layers are homogeneously dispersed in the PVC matrix when 5 wt % of Cloisite 30B or Cloisite 93A was used.
机译：将聚（氯乙烯）（PVC）和邻苯二甲酸二辛酯（DOP）与5重量％和10重量％的Cloisite Na +，Cloisite 30B或Cloisite 93A混合。通过使用热重分析仪的热分析来表征获得的纳米复合材料，其显示出向PVC中添加5wt％的纳米粘土按以下顺序增加了其热稳定性：Cloisite Na〜+

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