| 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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Huinink, Hp Henk
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2023Polymeric stabilization of salt hydrates for thermochemical energy storagecitations
- 2022Impact of polymeric stabilisers on the reaction kinetics of SrBr2citations
- 2021Encapsulation of salt hydrates by polymer coatings for low-temperature heat storage applicationscitations
- 2020Stabilization of K2CO3 in vermiculite for thermochemical energy storagecitations
- 2020Core-Shell Encapsulation of Salt Hydrates into Mesoporous Silica Shells for Thermochemical Energy Storagecitations
- 2017Transport of a water-soluble polymer during drying of a model porous mediacitations
- 2017Transport of a water-soluble polymer during drying of a model porous media
- 2013NMR study of the microstructures and water-polymer interactions in cross-linked polyurethane coatingscitations
- 2013NMR study of the microstructures and water-polymer interactions in cross-linked polyurethane coatingscitations
- 2013Water permeability of pigmented waterborne coatingscitations
- 2013Water permeability of pigmented waterborne coatingscitations
- 2012Quantitative water uptake study in thin nylon-6 films with NMR imagingcitations
- 2006Influence of catalyst type on the curing process and network structure of alkyd coatingscitations
- 2006Influence of catalyst type on the curing process and network structure of alkyd coatingscitations
- 2006Mass transfer and gelation in sandstone cores of a novel water shut off chemicalcitations
- 2001Pore size distribution from hydrogen and sodium NMR using the transverse relaxationcitations
- 2001Surface-induced transitions in thin films of asymmetric diblock copolymerscitations
Places of action
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article
Impact of polymeric stabilisers on the reaction kinetics of SrBr2
Abstract
<p>Thermochemical heat storage (TCHS) in salt hydrates attracts increasing interest due to the high energy density combined with loss-free storage. Strontium bromide hexahydrate (SBH), and composites thereof, are often suggested as suitable materials for this application. Although many aspects of SBH composites have been thoroughly investigated, very little has been done on the fundamental aspects of the hydration reaction and interactions between composite components on a molecular level. In this paper, we examine the interaction between SBH and polymeric additives polydiallyldimethylammonium chloride (PDAC), sodium carboxymethyl cellulose (CMC), and polyacrylic acid (PAA) in previously developed TCHS composites. The primary function of the polymeric additives is enhanced mechanical integrity however this study investigates potential implications on reaction temperature and speed the addition of such components might have. Focus is given to the interaction between SrBr<sub>2</sub> and PDAC since such composites showed (de)hydration behaviour deviating from pure SrBr<sub>2</sub>. The reaction kinetics are investigated at several points in the phase diagram through thermogravimetric analysis (TGA), supplemented by powder x-ray diffraction (XRD) studies. Our findings show that there exists an interaction between SrBr<sub>2</sub> and PDAC which manifests itself through shrinkage of crystallite size and increased lattice strain induced by preferential binding of PDAC to SrBr<sub>2</sub>. Depending on the PDAC content in the composite we have found out that 1) at excessive amounts PDAC inhibits hydration due to its sequestering properties 2) at low amounts it an enhances reaction kinetics due its hydrophilic nature.</p>