Aniline Tetramer Decorated Fluoroacrylate Polymers as High-Performance Corrosion Resistance Coatings

Abstract:

Aniline tetramer decorated fluoroacrylate polymers (PF-TA) were synthesized via a free radical bulk polymerization process, utilizing 2-(perfluorohexyl) ethyl methacrylate and aniline tetramer (TA) as the primary reactants. The PF-TA coatings were characterized by various techniques, sush as FT-IR, SEM, etc. The results indicated that TA was incorporated into the fluoroacrylate polymer backbone. Tafel polarization curves and electrochemical impedance spectroscopy (EIS) were performed to evaluate the corrosion resistance of the PF-TA coatings. The results indicated that compared to polyfluoroacrylate (PF), the PF-TA coatings with optimized TA content exhibited a significant decrease in corrosion current density, from 0.25 μA cm^-2 to 0.0067 μA cm^-2, and an increase in impedance, from 1.17 × 10⁵ Ω cm² to 214.15 × 10⁵ Ω cm². Additionally, the PF-TA coated Q235 carbon steel surpassed the 120 hour salt spray corrosion test, further demonstrating its exceptional anti-corrosion performance. The improvement in anti-corrosion performance was attributed to the incorpration of the electroactive TA on the fluoropolymer.

• Periodical: Solid State Phenomena (Volume 369)
• Pages: 81-86
• DOI: https://doi.org/10.4028/p-MkxC9O
• Online since: March 2025
• Authors: Zi Han Shen, Meng Ya An, Qing Qing Hu, Qiang Xiao*
• Keywords: Aniline Tetramer, Anti-Corrosion, Fluoroacrylate, Polymer Coating

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