| 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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Serghei, Anatoli
Processes and Engineering in Mechanics and Materials
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 20241,3,4,5‐Tetrasubstituted Poly(1,2,3‐triazolium) Obtained through Metal‐Free AA+BB Polyaddition of a Diazide and an Activated Internal Dialkynecitations
- 2023Improvement of the self‐assembly of low χ ABA triblock copolymers with the addition of an ionic liquid
- 2023Improvement of the self‐assembly of low χ ABA triblock copolymers with the addition of an ionic liquid
- 2022In-situ coupled mechanical/electrical investigations on conductive TPU/CB composites: Impact of thermo-mechanically induced structural reorganizations of soft and hard TPU domains on the coupled electro-mechanical propertiescitations
- 2022Maxwell-Wagner-Sillars interfacial polarization in dielectric spectra of composite materials: Scaling laws and applicationscitations
- 2022Improvement of the self‐assembly of low χ ABA triblock copolymers with the addition of an ionic liquid
- 2022In situ coupled mechanical/electrical/WAXS/SAXS investigations on ethylene propylene diene monomer resin/carbon black nanocompositescitations
- 2021Viscoelastic behaviour of highly filled polypropylene with solid and liquid Tin microparticles: influence of the stearic acid additivecitations
- 2021Multifunctional Pd-Based Nanocomposites with Designed Structure from In Situ Growth of Pd Nanoparticles and Polyether Block Amide Copolymercitations
- 2020Comparison of poly(ethylene glycol)-based networks obtained by cationic ring opening polymerization of neutral and 1,2,3-triazolium diepoxy monomerscitations
- 20161,2,3-Triazolium-Based Epoxy-Amine Networks: Ion-Conducting Polymer Electrolytescitations
- 2016Enhanced Ionic Conductivity of a 1,2,3-Triazolium-Based Poly(siloxane ionic liquid) Homopolymercitations
- 2016Probing the Effect of Anion Structure on the Physical Properties of Cationic 1,2,3-Triazolium-Based Poly(ionic liquid)scitations
- 2015Unconventional poly(ionic liquid)s combining motionless main chain 1,2,3-triazolium cations and high ionic conductivitycitations
- 2015Nanofluidics Approach to Separate between Static and Kinetic Nanoconfinement Effects on the Crystallization of Polymerscitations
- 2015Electrode polarization vs. Maxwell-Wagner-Sillars interfacial polarization in dielectric spectra of materials: Characteristic frequencies and scaling lawscitations
- 2015Triethylene glycol-based poly(1,2,3-triazolium acrylate)s with enhanced ionic conductivitycitations
- 2014Investigations of Nitrile Rubber Composites Containing Imidazolium Ionic Liquidscitations
- 20141,2,3-Triazolium-Based Poly(ionic liquid)s with Enhanced Ion Conducting Properties Obtained through a Click Chemistry Polyaddition Strategycitations
- 2014Improving the Ionic Conductivity of Carboxylated Nitrile Rubber/LDH Composites by Adding Imidazolium Bis(trifluoromethylsulfonyl)imide Ionic Liquidscitations
- 20141,2,3-Triazolium-based poly(acrylate ionic liquid)scitations
- 2014Properties of Carboxylated Nitrile Rubber/Hydrotalcite Composites Containing Imidazolium Ionic Liquidscitations
- 2014Electrophysical behavior of ion-conductive organic-inorganic polymer system based on aliphatic epoxy resin and salt of lithium perchloratecitations
- 2014The impact of imidazolium ionic liquids on the properties of nitrile rubber compositescitations
- 2013Biosynthesis and Characterization of Bacterial Cellulose Produced by a Wild Strain of Acetobacter spp.
- 2013Effect of imidazolium ionic liquid type of nitrile rubber compositescitations
- 2013Electrical and thermal properties of polyethylene/silver nanoparticle compositescitations
- 2010Confinement Effects on Crystallization and Curie Transitions of Poly(vinylidene fluoride-co-trifluoroethylene)citations
- 2010Density Fluctuations and Phase Transitions of Ferroelectric Polymer Nanowirescitations
Places of action
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article
Comparison of poly(ethylene glycol)-based networks obtained by cationic ring opening polymerization of neutral and 1,2,3-triazolium diepoxy monomers
Abstract
Poly(1,2,3-triazolium)s are a versatile class of poly(ionic liquid)s that take advantage of the functional tolerance, orthogonal robustness and efficiency of the copper(I)-catalyzed azide–alkyne cycloaddition (CuAAC). We use this reaction to design an all-in-one monomer gathering polymerization, crosslinking and ion-conducting functionalities in a single small molecule. A diepoxy 1,2,3-triazolium (DET) ionic liquid monomer is synthetized by CuAAC ligation between alkyne- and azide-functionalized epoxies, followed by N-alkylation of the central 1,2,3-triazole group by N-methyl bis(trifluoromethylsulfonyl)imide. Advantageously, this monomer is a low viscosity liquid which can therefore be implemented by casting. As a mode of curing, we chose cationic homopolymerization in bulk to obtain readily a network without dilution by a comonomer or release of byproducts. Two cross-linked epoxy networks were thereby obtained (i) from DET and (ii) from a commercial poly(ethylene glycol)diglycidyl ether (PEGDGE, Mn = 500 g mol−1), taken as a neutral reference monomer, using benzylamine trifluoroborate as cationic initiator. The polymerization kinetics and the structure/property correlations of the resulting ionic and neutral epoxy networks are discussed based on differential scanning calorimetry, thermogravimetric analysis and swelling/extractible measurements, as well as thermomechanical properties obtained by torsional rheometry and ionic conductivity measured by broadband dielectric spectroscopy. Although the ionic epoxy network exhibits a lower cross-link density (i.e. higher swelling ratio and lower storage modulus in the rubber state) than the neutral network due to the more pronounced occurrence of transfer and termination reactions, this work demonstrates that cationic ROP is a suitable route to produce a network solely from 1,2,3 triazolium functionalized diepoxy monomer. Besides, comparable levels of ionic conductivity were obtained for the neutral and 1,2,3-triazolium-based epoxy networks (i.e. σDC = 0.5 × 10−6 and 1 × 10−6 S cm−1 at 30 °C and under anhydrous conditions, respectively).