| People | Locations | Statistics |
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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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Romanzini, Daiane
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Topics
Publications (7/7 displayed)
- 2024Combined effect of montmorillonite Cloisite 30B and graphene nanoplatelets on high‐density polyethylene matrix under high strain rate dynamic compressioncitations
- 2023Effect of the Graphene Quantum Dot Content on the Thermal, Dynamic-Mechanical, and Morphological Properties of Epoxy Resincitations
- 2017Thermal and fire retardancy studies of clay-modified unsaturated polyester/glass fiber compositescitations
- 2017Effect of sonication and clay content on the properties of unsaturated polyester/montmorillonite nanocompositescitations
- 2015Sodium montmorillonite modified with methacryloxy and vinylsilanes: Influence of silylation on the morphology of clay/unsaturated polyester nanocompositescitations
- 2015Effect of clay silylation on curing and mechanical and thermal properties of unsaturated polyester/montmorillonite nanocompositescitations
- 2012Influence of fiber hybridization on the dynamic mechanical properties of glass/ramie fiber-reinforced polyester compositescitations
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article
Effect of sonication and clay content on the properties of unsaturated polyester/montmorillonite nanocomposites
Abstract
<jats:p> The aim of this work is to evaluate the effect of sonication and clay content on the crosslinking and curing characteristics and the final properties of unsaturated polyester/montmorillonite nanocomposites. The Cloisite 30B clay (1, 3 or 5 wt.%) was dispersed in the resin by mechanical stirring and sonication at different ultrasonic amplitudes (20% and 30%). Amplitude is one of the most important parameter when reproducing sonication results. An increase in viscosity with clay incorporation, at 20% amplitude, was related to the better dispersion, corroborating differential scanning calorimetry results. The sequential diffractograms confirmed the influence of the clay on resin crosslinking and the curing process. An intercalated structure was observed for samples up to 3 wt.% of clay and an amplitude of 20% during sonication, corroborating the increase in flexural strength and lower values of coefficient of thermal expansion. Modulus increased with the incorporation of clay, whereas impact strength and linear burning rate declined. </jats:p>