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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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Brancart, Joost
Vrije Universiteit Brussel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Designing flexible and self-healing electronics using hybrid carbon black/nanoclay composites based on Diels-Alder dynamic covalent networkscitations
- 2024Diels-Alder Network Blends as Self-Healing Encapsulants for Liquid Metal-Based Stretchable Electronicscitations
- 2023Solid‐state crosslinkable, shape‐memory polyesters serving tissue engineeringcitations
- 2023Fast Self-Healing at Room Temperature in Diels–Alder Elastomerscitations
- 2023Assisted damage closure and healing in soft robots by shape memory alloy wirescitations
- 2023Vitrimeric shape memory polymer-based fingertips for adaptive graspingcitations
- 2023Effect of Secondary Particles on Self-Healing and Electromechanical Properties of Polymer Composites Based on Carbon Black and a Diels–Alder Networkcitations
- 2021Supramolecular self-healing sensor fiber composites for damage detection in piezoresistive electronic skin for soft robotscitations
- 2021The Influence of the Furan and Maleimide Stoichiometry on the Thermoreversible Diels–Alder Network Polymerizationcitations
- 2020Self-Healing Material Design and Optimization for Soft Robotic Applications
- 2019Diffusion- and Mobility-Controlled Self-Healing Polymer Networks with Dynamic Covalent Bondingcitations
- 2019Mechanical, physical and chemical characterisation of mycelium-based composites with different types of lignocellulosic substratescitations
- 2018The Effect of Vitrification on the Diels-Alder Reaction Kinetics
- 2017Towards the first developments of self-healing soft robotics
- 2011Self-healing property characterization of reversible thermoset coatings
Places of action
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document
The Effect of Vitrification on the Diels-Alder Reaction Kinetics
Abstract
The effect of vitrification on the Diels-Alder reaction kinetics<br/><br/>The thermoreversible Diels-Alder reaction has attracted much attention for thermally reversible network polymerization. To establish this thermoresponsive behaviour, furan and maleimide functional groups are incorporated into polymer network structures. Self-healing materials use the reversibility of the Diels-Alder equilibrium reaction as a means to repair damage upon thermal or mechanical stimulation.<br/>The dynamic reversibility and the reaction kinetics are well established for applications at temperature above the glass transition temperature [1], e.g., elastomers used for self-healing soft robotic applications [2]. In current work, the effect of vitrification on the Diels-Alder reactivity is studied for applications below and around the glass transition temperature, e.g., low-temperature applications or densely crosslinked thermoset materials. The effect of diffusion control on the reaction kinetics is studied for polymer network systems with dynamically reversible furan-maleimide crosslinks. It is shown how the reaction rates decrease upon vitrification, resulting in slower polymerization and limiting final conversion and crosslink density.<br/><br/>[1] M.M. Diaz, G. Van Assche, F.H.J. Maurer, B. Van Mele, Polymer 120 (2017) 176–188.<br/>[2] S. Terryn, J. Brancart, D. Lefeber, G. Van Assche, B. Vandenborght, Science Robotics 2 (2017) 1–12.<br/>