Abstract
A cyclic potential sweep (CPS) technique has been used to form coatings of poly(2-vinylpyridine) on mild steel substrates by electropolymerization of the monomer. This method can produce thick and uniform coatings of much higher quality than can be formed by other electrochemical methods such as galvanostatic electrolysis, constant cell-potential electrolysis and chronoamperometry. The range and rate of the potential sweep during the CPS are important for successful coating formation. Potential sweeps between −1.0 and −2.2 V vs SCE at rates from 10 to 50 mV s−1 have been found to be most suitable for the formation of poly(2-vinylpyridine) coatings. The essential reason for the successful application of the CPS technique to the electropolymerization process is the compatibility of the nature of the CPS process and the mechanism of 2-vinylpyridine electropolymerization.
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Ling, X., Pritzker, M., Burns, C. et al. Cyclic potential sweep electrolysis for formation of poly(2-vinylpyridine) coatings. Journal of Applied Electrochemistry 29, 1005–1013 (1999). https://doi.org/10.1023/A:1003563916603
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DOI: https://doi.org/10.1023/A:1003563916603