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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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Dam-Johansen, Kim
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (56/56 displayed)
- 2024Advancing Coating Science: Non-Destructive Methods for Coating Degradation Evaluation and Breakdown Mechanism Investigation
- 2024Lignin Phosphate: A Biobased Substitute for Zinc Phosphate in Corrosion-Inhibiting Coatingscitations
- 2024Lignin Phosphate: A Biobased Substitute for Zinc Phosphate in Corrosion-Inhibiting Coatingscitations
- 2023Trust, but verify!
- 2023Polysiloxane-based elastomers and methods of producing such
- 2023Curable polysiloxane coating composition comprising polysilazane
- 2022Marine biofouling resistance rating using image analysiscitations
- 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
- 2022Self-stratification studies in waterborne epoxy-silicone systemscitations
- 2022Self-stratification studies in waterborne epoxy-silicone systemscitations
- 2022Thermal Conversion of Sodium Phytate Using the Oxygen Carrier Ilmenite Interaction with Na-Phosphate and Its Effect on Reactivitycitations
- 2022Non-destructive Evaluation of Coating Degradation and Rust Creep
- 2022Non-destructive Evaluation of Coating Degradation and Rust Creep
- 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
- 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
- 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 influence of CO 2 at HPHT conditions on properties and failures of an amine-cured epoxy novolac coatingcitations
- 2020Factors influencing mechanical long-term stability of condensation curing silicone elastomerscitations
- 2020Challenges in the development of reliable silicone elastomer coatings
- 2020Active deformation of dielectric elastomer for detection of biofouling
- 2020Reliable Condensation Curing Silicone Elastomers with Tailorable Propertiescitations
- 2019Scratch resistance of silicone elastomer coatings
- 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
- 2019Exposure of hydrocarbon intumescent coatings to the UL1709 heating curve and furnace rheology: Effects of zinc borate on char propertiescitations
- 2019Kinetic Parameters for Biomass under Self-Ignition Conditions: Low-Temperature Oxidation and Pyrolysiscitations
- 2019Measurements of methanol permeation rates across thermoset organic coatings
- 2018Structure-property relationship in silicone networks
- 2018Reaction kinetics for biomass self-ignition at 150–230°C
- 2017Acid-resistant organic coatings for the chemical industry: a reviewcitations
- 2014Properties of slurries made of fast pyrolysis oil and char or beech woodcitations
- 2013Efficient Fuel Pretreatment: Simultaneous Torrefaction and Grinding of Biomasscitations
- 2013Efficient Fuel Pretreatment: Simultaneous Torrefaction and Grinding of Biomasscitations
- 2013Influence of Biomass Chemical Properties on Torrefaction Characteristicscitations
- 2013Influence of Biomass Chemical Properties on Torrefaction Characteristicscitations
- 2012Devolatilization and Combustion of Tire Rubber and Pine Wood in a Pilot Scale Rotary Kilncitations
- 2012Microcapsule-based self-healing anticorrosive coatings: Capsule size, coating formulation, and exposure testingcitations
- 2011Synthesis of durable microcapsules for self-healing anticorrosive coatings: A comparison of selected methodscitations
- 2010Characterization and Quantification of Deposits Buildup and Removal in Biomass Suspension-Fired Boilers
- 2010Characterization and Quantification of Deposits Buildup and Removal in Biomass Suspension-Fired Boilers
- 2010Ash Deposit Formation and Removal in a Straw and Wood Suspension-Fired Boiler
- 2008A review of the interference of carbon containing fly ash with air entrainment in concretecitations
- 2007Characterization of pigment-leached antifouling coatings using BET surface area measurements and mercury porosimetrycitations
- 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
- 2000Deposit Formation in a 150 MWe Utility PF-Boiler during Co-combustion of Coal and Strawcitations
Places of action
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article
Lignin Phosphate: A Biobased Substitute for Zinc Phosphate in Corrosion-Inhibiting Coatings
Abstract
Lignin, due to its availability, molecular structure, reported barrierproperties, and chemical modification prospects, is gaining increasingattention for its potential in biobased functional coatings. Herein,softwood kraft lignin (KL) was surface functionalized (phosphorylated),yielding lignin phosphate (KLP) to engineer a functional pigment forassessing its inhibitory properties in epoxy-based anticorrosivecoatings. The aim was to emulate the conventional inhibitive mechanismof zinc phosphate by introducing partial solubility to KLP. Thissolubility facilitates the formation of a passivation layer (ironphosphate), which is a prerequisite for the inhibition mechanism at theinterface between the metal and coating when it is exposed to corrosiveconditions. Therefore, the utilization of KLP as a biobased inhibitivepigment signifies an innovative approach in the field of anticorrosivecoatings. KLP was synthesized by reacting KL with phosphorus pentoxide(P<sub>2</sub>O<sub>5</sub>) and was characterized using FourierTransform Infrared Spectroscopy (FTIR) and Nuclear Magnetic Resonance(NMR) spectroscopy. Subsequently, KLP was incorporated into anamine-cured Bisphenol-A (BPA) epoxy coating (KLP-EA) with a dry filmthickness of 80 μm and evaluated as per industrial salt spray testingfor coatings (ISO 9227:2017). Furthermore, the inhibitive corrosionresistance of KLP-EA was evaluated against a commercially available zincphosphate-based epoxy coating (C-EA) and an unmodified kraftlignin-based epoxy coating (KL-EA), which is recognized solely for itsbarrier mechanism. The polarization test demonstrated that KLPeffectively inhibited corrosion, resulting in lower <i>I</i><sub>corr</sub> values. The EIS results of the KLP-EA coating showed higher impedance modulus (|<i>Z</i>|<sub>0.01</sub> > 10<sup>8</sup> Ω·cm<sup>2</sup>),signifying exception barrier properties. The results from salt spraytesting after 1000 h of exposure demonstrated that the KLP-EA exhibitedon par performance compared to C-EA and significantly superiorperformance to KL-EA. Based on the analysis of a rust creep test (ISO12944–9:2018), KLP-EA showed a rust creep value of 1.7 ± 0.2 mm,compared to 2.3 ± 0.2 mm for the coatings solely based on barrierproperties of KL-EA and 1.8 ± 0.2 mm for C-EA. Additionally, theunderfilm corrosion products in KLP-EA were analyzed using X-rayPhotoelectron Spectroscopy (XPS), which verified the existence of ironphosphate (passivating film), replicating the conventional inhibitivemechanism of zinc phosphate. The current research findings thus provide azinc-free biobased alternative in the domain of inhibitiveanticorrosive coatings.