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Corrosion-resistant super-amphiphobic (PVDF-fnAl2O3) coating with thermal and mechanical stability
2024-05-06 08:19
Current research results show that the amphiphobic anti-corrosion coating made of functionalised nano-Al2O3 and polyvinylidene fluoride (PVDF) exhibits good thermal stability up to a temperature of 450°C and has ISO class 2 adhesion.
Researchers found that the corrosion-resistant superamphiphobic (PVDF-fnAl2O3) coating offers thermal and mechanical stability. Source: pixabay.com/CCO
The thermal and mechanical stability of amphiphobic anti-corrosion coating was evaluated in this study. The coating was fabricated from functionalized nano Al2O3 and polyvinylidene fluoride (PVDF) and analyzed using FTIR, DSC, TGA, XRD, abrasion and cross-hatched adhesion test analyses.
DSC and XRD revealed the presence of multiple crystalline phases of PVDF in the coating which eventually increased the crystallinity and melting temperature. The removal of the CFx chain from alkylsilane occurred at elevated temperatures, which decreased the repellent characteristic. Overall, the coating demonstrated good thermal stability until the temperature of 450°C with the ISO class 2 adhesion.
This study has been published in Journal of Coatings Technology and Research, Volume 21, November 23.
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