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A recent study discussed the effects of the addition of tetamine-based conductive nanofibers (TANF) on the corrosion resistance of Q235 low-carbon steel water-based epoxy coatings.
synthetic TANF by self-assembly of tetamine in a 1M HCl solution. The structure of TANF was characterized by Fourier Transform Infrared (FT-IR), Raman, X-ray diffraction (XRD), ultraviolet-visible spectra and photoelectronic energy spectrum (XPS), and tanF's
. Scan electron microscopes (SEMs) and scanning probe microscopes (SPM).
self-assembled TANF has excellent solubility, tiny nanofiber structures and reversible redox behavior, making it suitable for new anti-corrosion pigments as water-based coatings. The effects of TANF on the corrosion resistance of epoxy coatings were studied using electrochemical impedance spectrum (EIS), polarization curve and scanning vibration electrode technology (SVET).
results showed
water-based epoxy coatings containing 0.5wt%TANF showed improved corrosion resistance compared to pure water-based epoxy coatings. The addition of electroactive TANI can facilitate the formation of a passive metal oxide layer under the coating, as demonstrated by X-ray diffraction (XRD) to indicate the rust layer.
