Antifouling and anticorrosion properties of one-pot synthesized dedoped bromo-substituted polyaniline and its composite coatings
By Cai, Wei; Wang, Jixiao; Quan, Xiaodong; Zhao, Song; Wang, Zhi
Published in Surface and Coatings Technology
2018
Abstract
One-pot method was proposed to chemically synthesize dedoped bromo-substituted polyaniline (Br-PANI). Epoxy resin composite coatings containing 2.0 wt% of dedoped Br-PANIs (EBP) were also prepared. Scanning electron microscopy (SEM), organic elemental analysis and X-ray photoelectron spectroscopy (XPS) analysis demonstrated that Br-PANIs with different Br/N molar ratios were successfully synthesized. The anticorrosion and antifouling performances of {EBP} coatings were characterized by accelerated immersion test, electrochemical impedance spectroscopy (EIS), XPS, antibacterial test and field test. Results showed that {EBP} coatings presented excellent protection after 100 days' of immersion in 12.0 wt% NaCl solution at 95
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