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首页> 外文期刊>Journal of thermal analysis and calorimetry >Influence of Al2O3 and CuO nanoparticles on the thermal properties of polyester- and epoxy-based nanocomposites
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Influence of Al2O3 and CuO nanoparticles on the thermal properties of polyester- and epoxy-based nanocomposites

机译：Influence of Al2O3 and CuO nanoparticles on the thermal properties of polyester- and epoxy-based nanocomposites

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The modification of polymer properties through the addition of nanoparticles has lead to the development of the so-called nanocomposites. The purpose of this study was to investigate the effect of Al2O3 and CuO nanoparticles on the thermo-physical properties of epoxy- and polyester-based nanocomposites. Analysis was carried out for different volume fractions of nanoparticles, ranging from 2.5 to 10 . The results showed that the glass transition temperature (T (g)) varies differently on each matrix and nanoparticles sizes. However, the obtained T (g) showed no significant change with nanoparticle concentration. The cross-link density studied by DMA for each nanocomposite shows that Al2O3 fillers are responsible for the decrease in cross-link density, while CuO nanoparticles contribute to improve this property. A significant improvement of thermal stability of epoxy and unsaturated polyester resins containing CuO nanoparticles was observed.

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