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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Chaudhary, Sunny
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Space charge accumulation and DC breakdown strength of epoxy nanocomposites
- 2024Impact of particle thermal treatment on dielectric properties of core-shell filled epoxy nano-composites
- 2022Dynamic mechanical response in epoxy nanocomposites incorporating various nano-silica architectures
- 2022Dielectric response in epoxy nanocomposites incorporating various nano-silica architecturescitations
- 2022Molecular dynamics of epoxy nanocomposites filled with core–shell and hollow nanosilica architecturescitations
- 2021Assessment of the chemical and electrical properties of nano structured polyethylene with antioxidant-grafted nanosilica
- 2021Effect of nanoparticle volume and surface characteristics on the bulk properties of epoxy nanocompositecitations
- 2021Investigation of the functional network modifier loading on the stoichiometric ratio of epoxy resins and their dielectric propertiescitations
- 2021Effect of shell-thickness on the dielectric properties of TiO2/SiO2 core-shell nanoparticles filled epoxy nanocompositescitations
- 2020Effect of core-shell particles on the dielectric properties of epoxy nanocompositescitations
Places of action
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conferencepaper
Effect of nanoparticle volume and surface characteristics on the bulk properties of epoxy nanocomposite
Abstract
Interphases in polymer nanocomposites play an important role. Understanding them is the key to developing efficiently designed nanocomposites with tailored properties. The aim of this study is to investigate the effect of nanoparticle volume and the effect of interphase between the core and shell on the dielectric properties, to further understand the characteristics of the surface between the nanoparticle and polymer. For this purpose, five types of nanoparticles were synthesized SiO<sub>2</sub>/SiO<sub>2</sub>, TiO<sub>2</sub>/SiO<sub>2</sub>, TiO<sub>2</sub>, SiO<sub>2</sub> and hollow silica (h - SiO<sub>2</sub>) and epoxy nanocomposite samples were prepared. To confirm the successful synthesis of nanoparticles, FTIR spectra and TEM images are presented. Further, these samples were characterized by dielectric spectroscopy (0.1 Hz to 1 MHz). Coreshell nanocomposites showed significantly lower permittivity than composites with conventional, with h-SiO<sub>2</sub> having the lowest permittivity. A typical ß relaxation is also observed and its correlation to the degree of crosslinking is discussed. For h-SiO<sub>2</sub> , an additional relaxation peak at lower frequencies is observed. The origin of this peak is postulated to be either absorbed water or a - relaxation.