Assessment of corrosion protection and performance of bio-based polyurethane acrylate incorporated with nano zinc oxide coating |
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| Affiliation: | 1. Department of Chemical Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia;2. Department of Polymer Engineering, University of Akron, 250 South Forge Street, Akron, OH 44325, USA;1. Department of Polymer Engineering, Faculty of Engineering, Golestan University, Gorgan, Iran;2. Department of Chemical Engineering, Faculty of Engineering, Golestan University, Aliabad Katoul, Iran;3. Delft University of Technology, Department of Materials Science and Engineering, Mekelweg 2, 2628 CD Delft, the Netherlands;1. School of Chemical Sciences, Kavayitri Bahinabai Chaudhari North Maharashtra University Jalgaon, MS, 425 001, India;2. Department of Polymer and Surface Engineering, Institute of Chemical Technology (ICT), Nathalal Parekh Marg, Matunga, Mumbai, MS 400 019, India;3. Department of Chemistry, Uka Tarsadiya University, Bardoli, Gujrat 394 350, India;1. Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China;2. Guangdong Laboratory for Lingnan Modern Agricultural Science and Technology, 483 Wushan Road, Guangzhou 510642, China;3. CNOOC EnerTech Beijing Research Institute of Engineering and Technology for Safety and Environmental Protection, Tianjin 300457, China;4. CNOOC Energy Conservation and Environmental Protection Service Co., Ltd., Tianjin 300457, China;5. Chemistry Department, Georgia Southern University, Statesboro, GA, USA |
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| Abstract: | In this study, a series of UV-curable anticorrosive PUA coatings embedded with varying concentrations of inorganic ZnO fillers have been successfully prepared from jatropha-based polyol. The electrochemical impedance spectroscopy (EIS) and Tafel polarisation analysis revealed that increasing fillers composition lead to the improvement of the anticorrosive property of the hybrid coatings. Meanwhile, the salt spray test results were found to correlate with the EIS of Cc (F cm−2) was 2.71 × 10−9, Bode plot - 106 Ω cm2 and Tafel polarisation results 7.56 × 10−6 MPY at 3 wt% of ZnO. Physical properties of 3 wt% loading of ZnO fillers in hardness test obtained 6H which was strongly attributed to the low interfacial interaction and poor dispersion of the fillers within the polymer matrix. |
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| Keywords: | Polyurethane acrylate Corrosion ZnO Hybrid coating EIS |
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