About this Abstract |
| Meeting |
MS&T24: Materials Science & Technology
|
| Symposium
|
Advanced Coatings for Wear and Corrosion Protection
|
| Presentation Title |
Novel Epoxy Composite Polymers for Potential Use as Corrosion-Resistant Coatings on Copper in a 3% NaCl Solution: Combining Experimental and Computational methodologies |
| Author(s) |
Nisrine Benzbiria, Siham Echihi, Mohammed Azzi, Mustapha Zertoubi |
| On-Site Speaker (Planned) |
Nisrine Benzbiria |
| Abstract Scope |
In this study, we investigated the potential of diglycidyl bis disulfide carbon ether of bisphenol, a sulfur epoxy resin (SER) crosslinked through hexamethylene diamine (HMDA) and methylene diamine (MDA) as anticorrosive coatings for copper in 3% NaCl. The epoxy composite polymer was investigated using Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopy. Potentiodynamic polarization data revealed that the epoxy composite coatings significantly delayed the onset of corrosion, with a maximum protective efficiency reaching 98.3% for the sulfur epoxy resin crosslinked by MDA (SER/MDA) composite coating. Electrochemical Impedance Spectroscopy results indicated that these composite coatings inhibited effectively the corrosion of copper. Scanning electron microscopy (SEM) and Atomic Force Microscopy (AFM) observations demonstrated that both SER/HMDA and SER/MDA composite polymers significantly mitigated chloride ion attacks. Density functional theory calculations, radial distribution function (RDF), as well as Monte Carlo and molecular dynamics computational approaches, provided additional support for our experimental findings. |