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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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Johansson, Mats
KTH Royal Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2024Influence of Molecular Weight and End Groups on Ion Transport in Weakly and Strongly Coordinating Polymer Electrolytescitations
- 2024Multiple approaches to exploit ferulic acid bio-based epoxy monomer for green thermosetcitations
- 2023Three-dimensional reconstruction and computational analysis of a structural battery composite electrolytecitations
- 2023Incorporation of unmodified technical Kraft lignin particles in anticorrosive epoxy novolac coatings
- 2023Incorporation of unmodified technical Kraft lignin particles in anticorrosive epoxy novolac coatings
- 2023Chemically-resistant epoxy novolac coatings: Effects of size-fractionated technical Kraft lignin particles as a structure-reinforcing componentcitations
- 2023Chemically-resistant epoxy novolac coatings: Effects of size-fractionated technical Kraft lignin particles as a structure-reinforcing componentcitations
- 2023Chemically-resistant epoxy novolac coatings : Effects of size-fractionated technical Kraft lignin particles as a structure-reinforcing componentcitations
- 2023Effect of Molecular Organization on the Properties of Fractionated Lignin-Based Thiol–Ene Thermoset Materialscitations
- 2022Wear of Mo- and W-alloyed TiAlN coatings during high-speed turning of stainless steelcitations
- 2021Limonene-derived polycarbonates as biobased UV-curable (powder) coating resinscitations
- 2021Microstructural influence of the thermal behavior of arc deposited TiAlN coatings with high aluminum contentcitations
- 2020Effect of varying N(2)pressure on DC arc plasma properties and microstructure of TiAlN coatingscitations
- 2019Carbon Fibre Composite Structural Batteries: A Reviewcitations
- 2017Structural lithium ion battery electrolytes via reaction induced phase-separationcitations
- 2014Hybrid acrylic/CeO2 nanocomposites using hydrophilic spherical and high aspect ratio CeO2 nanoparticlescitations
- 2014Hybrid acrylic/CeO2 nanocomposites using hydrophilic, spherical and high aspect ratio CeO2 nanoparticlescitations
- 2014A Study on the Morphology, Mechanical, and Electrical Performance of Polyaniline-modified Wood : A Semiconducting Composite Material
- 2013Growth of Hard Amorphous Ti-Al-Si-N Thin Films by Cathodic Arc Evaporationcitations
- 2012Decomposition and phase transformation in TiCrAlN thin coatingscitations
- 2012Pressure and temperature effects on the decomposition of arc evaporated Ti0.6Al0.4N coatings during metal cuttingcitations
- 2011Layer Formation by Resputtering in Ti-Si-C Hard Coatings during Large Scale Cathodic Arc Depositioncitations
- 2011Ti-Si-C-N Thin Films Grown by Reactive Arc Evaporation from Ti3SiC2 Cathodescitations
- 2010Thermally enhanced mechanical properties of arc evaporated Ti0.34Al0.66N/TiN multilayer coatingscitations
- 2010Significant elastic anisotropy in Ti1−xAlxN alloyscitations
Places of action
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article
Chemically-resistant epoxy novolac coatings: Effects of size-fractionated technical Kraft lignin particles as a structure-reinforcing component
Abstract
To provide protection against corrosion in harsh environments, high performance anticorrosive coatings are applied on steel structures at all scales. However, to also limit the use of fossil-based ingredients, there is a growing demand to incorporate renewable raw materials in the coating formulations. <br/>In this study, to replace pigments and fillers of an epoxy novolac coating, technical Kraft lignin particles were ground and size fractionated (i.e., sieved), and used for formulation work. The effects of sieved and unsieved Kraft lignin, as structure-reinforcing components, on the anticorrosive and mechanical performance of epoxy coatings were subsequently investigated using the following methods: size exclusion chromatography (SEC), phosphorous nuclear magnetic resonance spectroscopy (31P NMR), scanning electron microscopy (SEM), differential scanning calorimeter (DSC), salt spray exposure, pull-off, K¨onig pendulum hardness, and chemical resistance tests.<br/>Compared to the unsieved-lignin reference (U-L EN), the coating based on lignin fines (S-L EN) showed about 31 % lower rust creep after 70 days of salt spray exposure. However, no surface defects or chemical degradation were observed for any of the coatings. <br/>For the S-L EN coating, excellent adhesion strength (23 MPa) and impact resistance (0.49 N), relative to reference values of 17 and 13 MPa and 0.41 and 0.07 N for commercial and lignin-based diglycidyl ether bisphenol F (L-DGEBF) coatings, respectively, were measured. The addition of lignin particles did not influence the chemical resistance, the hardness, and the glass transition temperature of the epoxy novolac coatings.<br/>In summary, chemically unmodified Kraft lignin particles, after grinding and sieving, can be incorporated in epoxy novolac coatings (up to 25 vol%), thereby providing a bio-based alternative to pigments and fillers in heavy duty coatings (primers in particular). <br/>