Fabrication of ZnO/rGO and ZnO/MWCNT nanohybrids to reinforce the anticorrosion performance of polyurethane coating
作者： Kamalon Rajitha , Kikkeri Narasimha Shetty Mohana , Mahesh Bhaskar Hegde , Saurav Ramesh Nayak , Ningappa Kumara Swamy
DOI: 10.1016/J.FLATC.2020.100208
关键词:
摘要: Abstract Polyurethane (PU) has been widely utilized in different applications due to its unique properties. Substantial attempts have made enhance the corrosion resistance and mechanical properties of PU coating through addition nanomaterials. In this study, zinc oxide/reduced graphene oxide (ZnO/rGO) oxide/multiwalled carbon nanotube (ZnO/MWCNT) nanohybrids were synthesized incorporated into matrix anti-corrosion property coating. The nanofillers thoroughly characterized Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), Raman spectroscopy, Field Emission Scanning Electron Microscopy (FE-SEM) Energy Dispersive (EDX). rGO/ZnO-PU MWCNT/ZnO-PU nanocomposites, also neat coated on mild steel (MS) substrate, surfaces samples probed by Contact angle technique, Atomic Force (AFM), SEM analysis. Electrochemical impedance potentiodynamic polarization tests carried out examine effects rGO/ZnO CNT/ZnO improving protection barrier pure data revealed superior anticorrosion efficiency for decorated (99.09%) compared that MWCNT/ZnO dispersed (95.24%). high surface area aspect ratio rGO make it an effective nanofiller reinforcing application.
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