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| Naji, M. |
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| Motta, Antonella |
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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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| Ali, M. A. |
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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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Castell, Pere
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Publications (9/9 displayed)
- 2023Evaluation of Cytocompatibility of PEEK-Based Composites as a Function of Manufacturing Processescitations
- 2023Use of covalent dynamic networks as binders on epoxy‐based carbon fiber composites: Effect on properties, processing, and recyclabilitycitations
- 2023Use of covalent dynamic networks as binders on epoxy-based carbon fiber composites: Effect on properties, processing, and recyclabilitycitations
- 2023Sustainable Composites from Nature to Construction: Hemp and Linseed Reinforced Biocomposites Based on Bio-Based Epoxy Resinscitations
- 2019Non-Isothermal Crystallization Behavior of PEEK/Graphene Nanoplatelets Composites from Melt and Glass Statescitations
- 2012The effect of ultra-thin graphite on the morphology and physical properties of thermoplastic polyurethane elastomer compositescitations
- 2012The effect of ultra-thin graphite on the morphology and physical properties of thermoplastic polyurethane elastomer compositescitations
- 2011Effects of gamma-irradiation on UHMWPE/MWNT nanocompositescitations
- 2009Block copolymer assisted dispersion of single walled carbon nanotubes and integration into a trifunctional epoxycitations
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document
Non-Isothermal Crystallization Behavior of PEEK/Graphene Nanoplatelets Composites from Melt and Glass States
Abstract
The effect of the graphene nanoplateletets (GNP), at concentration of 1, 5 and 10 wt %, in Poly ether ether ketone (PEEK) composite crystallization from melt and during cold crystallization were investigated by differential scanning calorimetry (DSC) and real time X-ray diffraction experiments. DSC results revealed a double effect of GNP: (a) nucleating effect crystallization from melt started at higher temperatures and (b) longer global crystallization time due to the restriction in the polymer chain mobility. This hindered mobility were proved by rheological behavior of nanocomposites, because to the increase of complex viscosity, G&prime ; , G&Prime ; with the GNP content, as well as the non-Newtonian behavior found in composites with high GNP content. Finally, real time wide and small angle synchrotron X-ray radiation (WAXS/SAXS) X-ray measurements showed that GNP has not affected the orthorhombic phase of PEEK nor the evolution of the crystal phase during the crystallization processes. However, the correlation length of the crystal obtained by WAXS and the long period (L) by SAXS varied depending on the GNP content.