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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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Kiil, Søren
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (47/47 displayed)
- 2024Protective Mechanisms of Siloxane-Modified Epoxy Novolac Coatings at High-Pressure, High-Temperature Conditions
- 2024Wettability of Water- and Solvent-borne Epoxy Coatings on Contaminated Steel Substrates
- 2024Wettability of waterborne and solvent-based epoxy coatings on contaminated steel panels
- 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
- 2022Detection and quantification of premature crack formation in curing epoxy coatingscitations
- 2022Detection and quantification of premature crack formation in curing epoxy coatingscitations
- 2022Parallel measurements and engineering simulations of conversion, shear modulus, and internal stress during ambient curing of a two-component epoxy coatingcitations
- 2022Parallel measurements and engineering simulations of conversion, shear modulus, and internal stress during ambient curing of a two-component epoxy coatingcitations
- 2021Methanol degradation mechanisms and permeability phenomena in novolac epoxy and polyurethane coatingscitations
- 2021Methanol degradation mechanisms and permeability phenomena in novolac epoxy and polyurethane coatingscitations
- 2021The influence of CO2 at HPHT conditions on properties and failures of an amine-cured epoxy novolac coatingcitations
- 2021Simultaneous tracking of hardness, reactant conversion, solids concentration, and glass transition temperature in thermoset polyurethane coatingscitations
- 2021Degradation pathways of amine-cured epoxy novolac and bisphenol F resins under conditions of high pressures and high temperatures
- 2021Degradation pathways of amine-cured epoxy novolac and bisphenol F resins under conditions of high pressures and high temperatures
- 2021Simultaneous tracking of hardness, reactant conversion, solids concentration, and glass transition temperature in thermoset polyurethane coatingscitations
- 2021The influence of CO 2 at HPHT conditions on properties and failures of an amine-cured epoxy novolac coatingcitations
- 2021The evolution of coating properties and internal stress during ambient curing of a two-component epoxy coating
- 2021The evolution of coating properties and internal stress during ambient curing of a two-component epoxy coating
- 2020Experimental Investigation and Mathematical Modeling of the Reaction between SO2(g) and CaCO3(s)-containing Micelles in Lube Oil for Large Two-Stroke Marine Diesel Enginescitations
- 2019Mixed Flow Reactor Experiments and Modeling of Sulfuric Acid Neutralization in Lube Oil for Large Two-Stroke Diesel Enginescitations
- 2019Mixed Flow Reactor Experiments and Modeling of Sulfuric Acid Neutralization in Lube Oil for Large Two-Stroke Diesel Enginescitations
- 2019Exposure of hydrocarbon intumescent coatings to the UL1709 heating curve and furnace rheology: Effects of zinc borate on char propertiescitations
- 2019Measurements of methanol permeation rates across thermoset organic coatings
- 2017Reaction of Sulfuric Acid in Lube Oil: Implications for Large Two-Stroke Diesel Enginescitations
- 2017Acid-resistant organic coatings for the chemical industry: a reviewcitations
- 2017Industrial Coatings at Extreme Conditions
- 2016Long-Term Stability of PEG-Based Antifouling Surfaces in a Marine Environment
- 2016Amphiphilic copolymers for fouling-release coatings
- 2015Quantitative analysis of silica aerogel-based thermal insulation coatingscitations
- 2015Use of Fillers, Pigments and Additives in Fouling-Release Coatings: a Literature Review
- 2013Mathematical modeling of photoinitiated coating degradation: Effects of coating glass transition temperature and light stabilizerscitations
- 2013Mathematical modeling of photoinitiated coating degradation: Effects of coating glass transition temperature and light stabilizerscitations
- 2012Microcapsule-based self-healing anticorrosive coatings: Capsule size, coating formulation, and exposure testingcitations
- 2011Teaching chemical product design to engineering students: course contents and challenges
- 2011Cinnamic Acid Derivatised Poly(Ethylene Glycol) as a Bioinspired UV-Adaptable Material
- 2011Synthesis of durable microcapsules for self-healing anticorrosive coatings: A comparison of selected methodscitations
- 2011UV-initierede ”smart materials”
- 2011Fremstilling af UV-aktive polymerer
- 2007Characterization of pigment-leached antifouling coatings using BET surface area measurements and mercury porosimetrycitations
- 2007Adhesion between coating layers based on epoxy and siliconecitations
- 2006Dissolution rate measurements of sea water soluble pigments for antifouling paintscitations
- 2005Reaction rate estimation of controlled-release antifouling paint binders: Rosin-based systemscitations
- 2005Reaction rate estimation of controlled-release antifouling paint binders: Rosin-based systemscitations
Places of action
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article
Detection and quantification of premature crack formation in curing epoxy coatings
Abstract
Cracks and defects, as a result of internal stress during curing, can accelerate the degradation and failure of protective epoxy coatings for essential infrastructure. To reduce, or eliminate, this so-called premature crack formation, it is essential to understand the underlying mechanisms.<br/><br/>For a solvent-based novolac epoxy, cured with a cycloaliphatic amine, the present work investigated the simultaneous development in internal stress, the degree of conversion of reactants (i.e. crosslinking), the volumetric shrinkage, and the elastic modulus. In addition, the crack susceptibility of the coating was quantified from a stress-strain curve (tensile mode), and the effects of film thickness, solvent content, pigment volume concentration, and flat versus 90-degree angle geometry were mapped. Finally, digital microscopy, in combination with a non-destructive Scanning Acoustic Microscope (SAM) analysis, proved efficient for characterization of the crack morphology.<br/><br/>Residual solvent, due to plasticization, promotes a low crack susceptibility. Later in the process, however, the solvent plasticization contributes to a high reactant conversion, and when the solvent finally evaporates, an increased internal stress is established. This, in turn, leads to an associated higher probability for crack initiation and growth.<br/><br/>The crack susceptibility method provides insight and input to guidelines on how to modify formulations and curing conditions.