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Corrosion-resistant super-amphiphobic coating with thermal and mechanical stability
2024-09-05 09:01
Researchers found that the corrosion resistance and thermal stability of the super-amphiphobic coating can be significantly improved by using functionalized nano-Al2O3 and polyvinylidene fluoride (PVDF).
The thermal and mechanical stability of amphiphobic anti-corrosion coating is evaluated in a new 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.
Journal of Coatings Technology and Research, Volume 21, pages 589–599, (2024)
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