| 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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Bi, Huichao
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Advancing Coating Science: Non-Destructive Methods for Coating Degradation Evaluation and Breakdown Mechanism Investigation
- 2022Encapsulated Inhibitive Pigment for Smart Anti-corrosive Epoxy Coatings
- 2022Coating degradation and rust creep assessment - A comparison between a destructive method according to ISO 12944 and selected non-destructive methods
- 2022Self-stratification studies in waterborne epoxy-silicone systemscitations
- 2022Self-stratification studies in waterborne epoxy-silicone systemscitations
- 2022Non-destructive Evaluation of Coating Degradation and Rust Creep
- 2022Non-destructive Evaluation of Coating Degradation and Rust Creep
- 2021A Tannin-based Inhibitive Pigment for a Sustainable Anti-corrosive Epoxy Coating Formulation
- 2021Effects of Biochar Nanoparticles on Anticorrosive Performance of Zinc-rich Epoxy Coatingscitations
- 2021Effects of Biochar Nanoparticles on Anticorrosive Performance of Zinc-rich Epoxy Coatingscitations
- 2021Rust creep assessment - A comparison between a destructive method according to ISO 12944 and selected non-destructive methodscitations
- 2019Corrosion Protection of Epoxy Coating with Calcium Phosphate Encapsulated by Mesoporous Silica Nanoparticles
- 2019Corrosion Protection of Epoxy Coating with Calcium Phosphate Encapsulated by Mesoporous Silica Nanoparticles
Places of action
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article
Self-stratification studies in waterborne epoxy-silicone systems
Abstract
<p>Waterborneepoxy‑silicone coating formulations are prepared by combining selectedingredients in optimum quantities to produce ~250–275 μm films (dry filmthickness, DFT) applied on polyester, sandblasted steel, smooth steel,acrylic, polypropyleneand aluminum substrates. The self-stratification of the appliedcoatings is then evaluated using Fourier Transform Infrared spectroscopy– Attenuated Total Reflectance (FTIR–ATR) and Scanning ElectronMicroscopy (SEM) with Energy Dispersive X-Ray (EDX) analysis. Thedifference in the absorption spectra of the top and bottom surfaces ofthese films as well as a significant difference in topography seen fromthe SEM images and elemental mapping through an EDX analysis of thecross-section has confirmed the occurrence of stratification onpolyester substrate. The observed stratification results aresubsequently compared with a theoretical model where the primarymechanism driving the separation is assumed to be the surface freeenergy difference of the resins and their respective wetting of thesubstrate. The influence of using two different theories, Wu's HarmonicMean Method and Owens-Wendt Method for the interfacial surface tensionsand the solid surface free energy computations, on the predictions fromthis model is also tested. The theoretical predictions support theobserved results for most cases of the formulated waterborne systems;except for the case of sandblasted steel, the observed results do notmatch the predictions. The possible reasons for the difference inbetween the prediction and observation for this specific case has alsobeen elucidated.</p>