| 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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Mangialetto, Jessica
Vrije Universiteit Brussel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Construction of furan-maleimide Diels-Alder reversible network cure diagrams: modelling and experimental validation
- 2024Effects of Cure on the Ionic Conductivity and Relaxation Strength of a Reversible Polymer Network Studied by Dielectric Spectroscopy.citations
- 2024Modelling of diffusion-controlled Diels-Alder reversible network formation and its application to cure diagrams
- 2023Diffusion- and mobility-controlled self-healing polymer networks with dynamic covalent bonding
- 2023Separating Kinetics from Relaxation Dynamics in Reactive Soft Matter by Dielectric Spectroscopycitations
- 2023Real-Time Determination of the Glass Transition Temperature during Reversible Network Formation Based on Furan–Maleimide Diels–Alder Cycloadditions Using Dielectric Spectroscopycitations
- 2022UV Stability of Self-Healing Poly(methacrylate) Network Layerscitations
- 2020Self-Healing in Mobility-Restricted Conditions Maintaining Mechanical Robustness: Furan–Maleimide Diels–Alder Cycloadditions in Polymer Networks for Ambient Applicationscitations
- 2019Diffusion- and Mobility-Controlled Self-Healing Polymer Networks with Dynamic Covalent Bondingcitations
- 2018The Effect of Vitrification on the Diels-Alder Reaction Kinetics
Places of action
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article
Separating Kinetics from Relaxation Dynamics in Reactive Soft Matter by Dielectric Spectroscopy
Abstract
Broadband dielectric spectroscopy (BDS) is a widely used technique for the study of molecular and cooperative dynamics in soft matter thanks to its extremely wide time- and frequency-range and its widespread availability in materials science laboratories. A specific area for applications of BDS is systems that undergo time dependent changes because of crystallization, other kinetic transitions or chemical reactions, which alter thermophysical properties such as relaxation times, the glass transition temperature, and the electrical conductivity at a timescale comparable to the measurement time. This paper proposes three experimental approaches that allow to detect and to quantify effects of underlying kinetics on the dielectric spectra: i) combining isothermal measurements with stepwise heating, ii) using a randomized frequency list to create artificial data “noise”, and iii) varying the effective heating rate up to 10 K/min to separate sample kinetics from relaxation dynamics. All three approaches are demonstrated and discussed on a Diels-Alder (DA) polymer network undergoing a reversible cure reaction.