Abstract
This study presents an innovative approach to improve the anticorrosion performance of epoxy coatings by incorporating 2-hydroxy-5-((4-(hydroxymethyl)-1H-1,2,3-triazol-1-yl)methyl) benzaldehyde (STR) molecules into a matrix of mesoporous silica (mSiO2) grafted onto graphene oxide (GO) sheets. The resulting porous hybrid composites (STR@mSiO2-GO) underwent thorough characterization via scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). Corrosion resistance was assessed using salt spray testing and electrochemical impedance spectroscopy (EIS). The results show the superior corrosion resistance of the polymer nanocomposite coatings compared to pure epoxy coatings. Notably, incorporating 10 wt% TiO2 into the mSiO2-GO epoxy matrix significantly increased the corrosion protection efficacy from 74.48 % to 99.85 %. This enhancement is attributed to synergies between TiO2 nanoparticles and the mSiO2-GO matrix, leading to a hydrophobic polymeric nanocomposite coating that significantly boosts corrosion resistance. This study introduces an innovative approach for developing high-performance epoxy coatings with improved anti-corrosion properties, showcasing promising strides in corrosion protection technology.
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