| 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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Cristea, Mariana
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Investigation of Shape Memory Polyurethane Properties in Cold Programming Process Towards Its Applicationscitations
- 2023Investigating a shape memory epoxy resin and its application to engineering shape-morphing devices empowered through kinematic chains and compliant jointscitations
- 2020Dynamic Mechanical Analysis Investigations of PLA-Based Renewable Materials: How Are They Useful?citations
- 2016Structure–property relationship of sodium deoxycholate based poly(ester ether)urethane ionomers for biomedical applicationscitations
- 2014Well-defined silicone–titania composites with good performances in actuation and energy harvestingcitations
- 2012Thermal, dynamic mechanical, and dielectric analyses of some polyurethane biocompositescitations
- 2012Poly(ether imide)s containing cyano substituents and thin films made from themcitations
- 2011Thermal and electrical properties of nitrile‐containing polyimide/BaTiO<sub>3</sub> composite filmscitations
- 2009Dynamic Mechanical Analysis of Polyurethane-Epoxy Interpenetrating Polymer Networkscitations
- 2009Composite materials based on polydimethylsiloxane and <i>in situ</i> generated silica by using the sol–gel techniquecitations
- 2009Thermal and electrical properties of copoly(1,3,4‐oxadiazole‐ethers) containing fluorene groupscitations
- 2009Polysiloxane‐lignin compositescitations
Places of action
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article
Well-defined silicone–titania composites with good performances in actuation and energy harvesting
Abstract
<jats:p> Although silicones possess low dielectric constant, they are between the most used polymers in actuation due to their appropriate mechanical properties (low modulus and high elongation). These can be easily tuned by the preparation strategy: proper choice of the molecular mass and microstructure of the polymer matrix; adding or not of more or less active fillers; whether these are incorporated in the polymeric matrix (ex situ) or generated in situ; crosslinking mode (through the side or ending functional groups) or mechanism (condensation, radicalic or by hydrosilylation). A relatively low cost and easy scalable procedure was used in this article to prepare silicone composites based on high molecular weight polydiorganosiloxane copolymer and hydrophobized silica and titania nanoparticles. The matrix polymer was synthesized by bulk ring opening copolymerization of different substituted cyclosiloxanes and characterized by FTIR, <jats:sup>1</jats:sup>H NMR and gel permeation chromatographic analysis. The composites prepared by the mechanical incorporation of the fillers were crosslinked by radicalic mechanism and investigated by dielectrical spectroscopy, mechanical tests, dynamo-mechanical analysis and dynamic vapor sorption. The actuation measurements revealed displacement values in the range 0.04–5.09 nm/V/mm, while energy harvesting measurements revealed impulse electrical voltage in the range 6–20 V for a dynamic force of 0.1–1 Kgf. The robustness of these composites supported by their thermal, mechanical and surface properties recommends them for use inclusively in harsh environmental conditions, when their behavior is not significantly affected. </jats:p>