Abstract
Poly((N-methacryloyloxymethyl)benzotriazole-co-N-vinylpyrrolidone) was synthesized by free radical solution polymerization technique and characterized using Fourier transform infrared spectroscopy and nuclear magnetic resonance spectroscopy. Thermal stability of the synthesized copolymer was analyzed by thermogravimetric analysis and differential thermal analysis. The corrosion performances of low nickel stainless steel specimens coated with different mole ratios of synthesized copolymer were investigated in 1 M H2SO4 using potentiodynamic polarization, electrochemical impedance method, and chronoamperometric studies. Surface and morphological investigation were also provided in order to characterize the adherence and uniformity of the coatings. Electrochemical corrosion test and surface analysis results were clearly showed that the copolymer-coatings served as a stable host matrix on low nickel stainless steel as environmentally favored good anticorrosive coating.
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Acknowledgments
The Financial support by Jawaharlal Nehru Memorial Fund (JNMF), New Delhi, India, and Steel Authority of India Ltd. (SAIL), Salem, Tamil Nadu, India for stainless steel supply, are greatly acknowledged.
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Govindaraju, K.M., Gopi, D. & Anver Basha, K. Synthesis, characterization, and electrochemical evaluation of anti-corrosive performance of poly((N-methacryloyloxymethyl) benzotriazole-co-N-vinylpyrrolidone) coatings. J Appl Electrochem 43, 1043–1054 (2013). https://doi.org/10.1007/s10800-013-0586-6
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DOI: https://doi.org/10.1007/s10800-013-0586-6