| 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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Banc, Amélie
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2021Impact of the protein composition on the structure and viscoelasticity of polymer-like gluten gelscitations
- 2020Tailoring the viscoelasticity of polymer gels of gluten proteins through solvent qualitycitations
- 2019Phase separation dynamics of gluten protein mixturescitations
- 2018Nanoscale reversibility and non-linear effects in polymer nanocomposites under strain cycles
- 2017Chain structure of polymer nanocomposites using small-angle neutron scattering
- 2017Structure of chains and filler in polymer nanocomposites: impact of small beads and small molecules
- 2016Contrast matching gone wrong? Nanocomposites seen by SANS
- 2016Spontaneous gelation of wheat gluten proteins in a food grade solventcitations
- 2016Contrast-matching gone wrong? A study of polymer conformation in nanocomposites
- 2015Structure analysis by small-angle scattering of polymer nanocomposites: from model to industrial systems
- 2015Contrast-matching gone wrong? A study of polymer conformation in nanocomposites
- 2015Recent progress in polymer and filler structure in polymer nanocomposites
- 2015Origin of Small-Angle Scattering from Contrast-Matched Nanoparticles: A Study of Chain and Filler Structure in Polymer Nanocompositescitations
- 2015Chain signal in nanolatex based nanocomposites
- 2014Structure and rheology of model nanocomposites
- 2014Tuning Structure and Rheology of Silica–Latex Nanocomposites with the Molecular Weight of Matrix Chains: A Coupled SAXS–TEM–Simulation Approachcitations
- 2013Nanolatex based nanocomposites: control of the filler structure and reinforcement
- 2013Structuration and mechanical properties of gels made from gluten proteins
- 2011Reinforcement and Polymer Mobility in Silica–Latex Nanocomposites with Controlled Aggregationcitations
Places of action
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article
Reinforcement and Polymer Mobility in Silica–Latex Nanocomposites with Controlled Aggregation
Abstract
The tunable structure of silica-latex nanocomposites made of silica nanoparticles (radius ≈ 80 Å) and a copolymer of methyl methacrylate and butyl acrylate-latex beads (radius≈210 Å) has been studied by small-angle neutron scattering and transmission electron microscopy. An aggregation diagram as a function of the control parameters--silica volume fraction and precursor solution pH--has been established. In this aggregation diagram, isoaggregation lines have been identified. It was used to express the small-strain reinforcement factor measured with stress-strain isotherms as a function of volume fraction at fixed aggregation number in the range from 50 to 100. The large-strain properties have been rationalized using the energy needed to rupture samples, and this quantity has been found to present an optimum at intermediate volume fractions (15%). In order to understand the striking rheology of the system, a neutron contrast-matching study has been undertaken by adding deuterated polymer beads. The bead demixing kinetics during annealing has been used to characterize the dynamics in various environments defined by the hard silica structure. In particular, in nanocomposite samples containing 15 vol % of silica the dynamics is found to be blocked.