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Using electrochemical measurements to estimate coating and polymer film durability

Abstract

Electrochemical measurements are increasingly being used to evaluate the durability of coatings and polymer films in significantly shorter times than those needed to complete long-term exposure tests. Electrochemical measurements have their limitations and nuances. Variability of data, collecting data before samples reach steady state, and misinterpretation of the data can lead to erroneous estimations of coating and polymer film durability. However, replicate samples, monitoring open circuit potential, and capacitance magnitudes can be used to develop more accurate estimations of polymer film, coating, or coated metal durability from electrochemical data.

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510 Charmany Dr., Ste. 55, Madison, WI 53719, rustdr@pairodocspro.com, www.pairodocspro.com.

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Tait, W.S. Using electrochemical measurements to estimate coating and polymer film durability. Journal of Coatings Technology 75, 45–50 (2003). https://doi.org/10.1007/BF02730070

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  • DOI: https://doi.org/10.1007/BF02730070

Keywords

  • Polymer Film
  • Electrochemical Measurement
  • Open Circuit Poten
  • Statistical Confidence
  • Electrochemical Data