Effect of montmorillonite clay content on ac conductivity and impedance of Epoxy-based nanocomposites
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Rashmi
Abstract
Polymer nanocomposites were prepared by mixing Epoxy resin with 2, 5 and 7 wt.% of organically modified montmorillonite clay using a high shear mixer. Microstructural analysis of the nanocomposites was performed with transmission electron microscopy and X-ray diffraction. The effects of voltage, frequency, temperature and seawater ageing on electrical conductivity and impedance of the nanocomposites were evaluated. The transmission electron microscopy and X-ray diffraction results indicate that montmorillonite clay nanoparticles were uniformly dispersed in the Epoxy matrix. Experimental results show higher conductivity and lower impedance with the addition of 2 wt.% montmorillonite clay in the Epoxy matrix with respect to frequency, temperature and seawater ageing. On the other hand, with further increase in filler loading (5 and 7 wt.%) a reverse trend was observed with respect to conductivity and impedance. The obtained values of capacitance and resistance were found to be well correlated.
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© 2013, Carl Hanser Verlag, München
Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Microstructure and high temperature deformation of an ultra-fine grained ECAP AA7075 aluminium alloy
- Stability of mechanical behavior and work performance in TiNi-based alloys during thermal cycling
- The effect of welding process and shielding atmosphere on the AlMg4.5Mn weld metal properties
- Comparative thermodynamic analysis and phase diagram prediction of the Ga – Sn – Zn system
- 450°C isothermal section of the Zn-Fe-Co-Si quaternary system at the zinc-rich corner
- Mixing enthalpies in binary Ce-Sb and ternary Ce-Co-Sb liquid alloys
- Thermodynamic re-assessment of the Ni – Sn system
- Study of macro- and micro-segregation of iridium in molybdenum single crystals after electron beam zone melting
- Microstructure, mechanical and oxidation properties of in-situ synthesized (Y2O3 + TiC)/Ti-4.5Si composites
- Hydrothermal synthesis of MoO3 micro-belts
- Room temperature synthesis of microemulsion mediated rutile TiO2 nanoparticles showing remarkable photocatalytic activity
- Effect of montmorillonite clay content on ac conductivity and impedance of Epoxy-based nanocomposites
- Effect of sintering behavior on the porous structure of porous quartz ceramics
- Structural, elastic, thermodynamic and lattice dynamic properties of PrX (X = Sb, Bi)
- Electronic mobilities of fluorinated oligoacenes
- DGM News
- Fachausschüsse
Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Microstructure and high temperature deformation of an ultra-fine grained ECAP AA7075 aluminium alloy
- Stability of mechanical behavior and work performance in TiNi-based alloys during thermal cycling
- The effect of welding process and shielding atmosphere on the AlMg4.5Mn weld metal properties
- Comparative thermodynamic analysis and phase diagram prediction of the Ga – Sn – Zn system
- 450°C isothermal section of the Zn-Fe-Co-Si quaternary system at the zinc-rich corner
- Mixing enthalpies in binary Ce-Sb and ternary Ce-Co-Sb liquid alloys
- Thermodynamic re-assessment of the Ni – Sn system
- Study of macro- and micro-segregation of iridium in molybdenum single crystals after electron beam zone melting
- Microstructure, mechanical and oxidation properties of in-situ synthesized (Y2O3 + TiC)/Ti-4.5Si composites
- Hydrothermal synthesis of MoO3 micro-belts
- Room temperature synthesis of microemulsion mediated rutile TiO2 nanoparticles showing remarkable photocatalytic activity
- Effect of montmorillonite clay content on ac conductivity and impedance of Epoxy-based nanocomposites
- Effect of sintering behavior on the porous structure of porous quartz ceramics
- Structural, elastic, thermodynamic and lattice dynamic properties of PrX (X = Sb, Bi)
- Electronic mobilities of fluorinated oligoacenes
- DGM News
- Fachausschüsse
