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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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Erik Weinell, Claus
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (33/33 displayed)
- 2024Protective Mechanisms of Siloxane-Modified Epoxy Novolac Coatings at High-Pressure, High-Temperature Conditions
- 2024Advancing Coating Science: Non-Destructive Methods for Coating Degradation Evaluation and Breakdown Mechanism Investigation
- 2023Incorporation of unmodified technical Kraft lignin particles in anticorrosive epoxy novolac coatings
- 2023Trust, but verify!
- 2023Chemically-resistant epoxy novolac coatings: Effects of size-fractionated technical Kraft lignin particles as a structure-reinforcing componentcitations
- 2022Marine biofouling resistance rating using image analysiscitations
- 2022Detection and quantification of premature crack formation in curing epoxy coatingscitations
- 2022Encapsulated Inhibitive Pigment for Smart Anti-corrosive Epoxy Coatings
- 2022A Tunable Hyperspectral Imager for Detection and Quantification of Marine Biofouling on Coated Surfacescitations
- 2022Coating degradation and rust creep assessment - A comparison between a destructive method according to ISO 12944 and selected non-destructive methods
- 2022Parallel measurements and engineering simulations of conversion, shear modulus, and internal stress during ambient curing of a two-component epoxy coatingcitations
- 2022Self-stratification studies in waterborne epoxy-silicone systemscitations
- 2022Non-destructive Evaluation of Coating Degradation and Rust Creep
- 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
- 2021A Tannin-based Inhibitive Pigment for a Sustainable Anti-corrosive Epoxy Coating Formulation
- 2021Degradation pathways of amine-cured epoxy novolac and bisphenol F resins under conditions of high pressures and high temperatures
- 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
- 2021Simultaneous tracking of hardness, reactant conversion, solids concentration, and glass transition temperature in thermoset polyurethane coatingscitations
- 2021The evolution of coating properties and internal stress during ambient curing of a two-component epoxy coating
- 2019Corrosion Protection of Epoxy Coating with Calcium Phosphate Encapsulated by Mesoporous Silica Nanoparticles
- 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
- 2009Advancements in high performance zinc epoxy coatings
- 2008Non-destructive determination of rust creep
- 2007Advancement in zinc rich epoxy primers for corrosion protection
- 2007Adhesion between coating layers based on epoxy and siliconecitations
- 2006Dissolution rate measurements of sea water soluble pigments for antifouling paintscitations
- 2006Anti-fouling silicone elastomers for offshore structures
- 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
Exposure of hydrocarbon intumescent coatings to the UL1709 heating curve and furnace rheology: Effects of zinc borate on char properties
Abstract
Hydrocarbon intumescent coatings are an efficient means to passive fire protection of steel structures in high-risk environments such as petrochemical plants and offshore platforms. In the present study, the effects of zinc borate on the performance of hydrocarbon intumescent coatings were investigated. The analyses include steel temperature-time relationships and char expansion, as well as structural investigations and compositional profiles of the char. Furthermore, transient rheological coating behaviors and thermal degradation of the coatings were measured and analyzed. Results of furnace experiments, conducted under a standard hydrocarbon fire curve (UL1709), showed that a formulation containing 15 wt.% zinc borate gave the best performance. Fully expanded char measurements and the associated rheological recordings, evidenced that adjusting the zinc borate content from 0 to 20 wt.% increased the dynamic viscosity minimum of the incipient char from 6.2 to 5671.4 Pa·s. The increased dynamic viscosity resulted in a more uniform, but less expanded char layer. Compositional profiles of intumescent chars, measured using X-ray Diffraction, showed an increasing phosphate (especially BPO4) content with increasing levels of zinc borate in the intumescent coatings. Finally, the thermogravimetric analyses revealed that zinc borate can help to reduce epoxy binder degradation and oxidation of the carbon-inorganic residue. Due to the health risks associated with borate and its compounds, there is a requirement to find alternatives. The present work has mapped out some of the beneficial properties of zinc borate, and the results may provide some insight as to how to formulate without these compounds in the future.