Citation:
Ha-da Bao, Zhao-xia Guo, Jian Yu. ELECTRICAL RESISTIVITY, CRYSTALLIZATION AND MECHENICAL PROPERTIES OF POLYPROPYLENE/MULTI-WALLED CARBON NANOTUBE/CALCIUM CARBONATE COMPOSITES PREPARED BY MELT MIXING[J]. Chinese Journal of Polymer Science,
2009, 27(3): 393-398.
ELECTRICAL RESISTIVITY, CRYSTALLIZATION AND MECHENICAL PROPERTIES OF POLYPROPYLENE/MULTI-WALLED CARBON NANOTUBE/CALCIUM CARBONATE COMPOSITES PREPARED BY MELT MIXING
摘要:
Polypropylene (PP)/multi-walled carbon nanotube (MWCNT)/calcium carbonate (CaCO3) composites are prepared by melt mixing using two types of CaCO3 of different sizes. The electrical resistivities of the composites with the two types of CaCO3 are all lower than those of the corresponding PP/MWCNT composites at various MWCNT loadings (1 wt%-5 wt%). The morphology of the composites is investigated by field emission scanning electron microscopy (FESEM). The crystallization behavior of PP in the composites is characterized by differential scanning calorimetry (DSC). The storage modulus, as measured by dynamic mechanical analysis (DMA), increases significantly by the presence of CaCO3.
English
ELECTRICAL RESISTIVITY, CRYSTALLIZATION AND MECHENICAL PROPERTIES OF POLYPROPYLENE/MULTI-WALLED CARBON NANOTUBE/CALCIUM CARBONATE COMPOSITES PREPARED BY MELT MIXING
Abstract:
Polypropylene (PP)/multi-walled carbon nanotube (MWCNT)/calcium carbonate (CaCO3) composites are prepared by melt mixing using two types of CaCO3 of different sizes. The electrical resistivities of the composites with the two types of CaCO3 are all lower than those of the corresponding PP/MWCNT composites at various MWCNT loadings (1 wt%-5 wt%). The morphology of the composites is investigated by field emission scanning electron microscopy (FESEM). The crystallization behavior of PP in the composites is characterized by differential scanning calorimetry (DSC). The storage modulus, as measured by dynamic mechanical analysis (DMA), increases significantly by the presence of CaCO3.
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