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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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Azema, Nathalie
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2017Grafting of graphene oxide with Ps, PMMA and PVAC for nanocomposite applications
- 2015Morpho-granular approach to characterize harbour sediments and their agglomeration/dispersion behaviourcitations
- 2014Using settling behaviour to study mesostructural organization of cement pastes and superplasticizer efficiencycitations
- 2013Mesostructure evolution of cement pastes with addition of superplasticizers highlighted by dispersion indicescitations
- 2011Impact of modified alumina oxides on the fire properties of PMMA and PS nanocompositescitations
Places of action
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article
Impact of modified alumina oxides on the fire properties of PMMA and PS nanocomposites
Abstract
International audience ; Grafting of ethylene glycol methacrylate phosphate (EGMP) monomer polymerized from alumina nanoparticles has been performed in order to confer a better thermal stability and fire retardancy to PMMA and PS nanocomposites. Grafting and polymerization processes have been investigated using FTIR, TGA, and elemental analyses. Thermal stability and decomposition routes of monomer and polymer grafted alumina have been studied using thermogravimetric analysis and compared with the thermal behavior of the same alumina modified with octylsilane. The thermal stability of EGMP supported by the nanoparticles is higher than that of free EGMP. The incorporation of 5 wt% of both surface treated alumina in PMMA and PS leads to an improvement of thermal stability in comparison with unfilled polymers as well as nanocomposites containing unmodified alumina. Furthermore, the grafting of organic compounds on alumina also allows the peak of heat release rate measured using a cone calorimeter to be significantly reduced for PMMA nanocomposites.