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期刊论文
GLASS POLYVINYL CHLORIDE/MONTMORILLONITE NANOCOMPOSITES Transition temperature and mechanical properties
Journal of Thermal Analysis and Calorimetry, Vol. 78 (2004),-0001,():
Polyvinyl chloride (PVC)/organic-montmorillonite composites were prepared by melt intercalation. Their structures and properties were investigated with X-ray diffraction (XRD), differential scanning calorimetry (DSC) and mechanical testing. The results showed that PVC chains could be intercalated into the gallery of organically modified montmorillonite to form exfoliated PVC/organic-montmorillonite nanocomposites, and the glass transition temperatures of PVC/organic-montmorillonite composites were lower than that of neat PVC. However, the tensile strength, and both the Izod type and Charpy notched impact strengths of PVC/organic-montmorillonite nanocomposites were fitted with the linear expressions: τ=535.07-6.39Tg, σI=378.76-4.59Tg and σC=276.29-3.59Tg, respectively
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