DOI QR코드

DOI QR Code

Corrosion Protection Performance of Polyester-Melamine Coating with Natural Wood Fiber Using EIS Analysis

Shin, PyongHwa;Jo, DuHwan;Shon, MinYoung

  • 투고 : 2016.01.27
  • 심사 : 2016.04.18
  • 발행 : 2016.04.30

초록

In the present study, polyester-melamine coating systems with natural wood fiber (NWF) were prepared and the effects of NWF on the corrosion protectiveness of the polyester-melamine coating were examined using EIS analysis. From the results, higher average surface roughness was observed with increase of NWF content. Water diffusivity and water uptake into the polyester-melamine coatings with NWF were much higher than that into the pure polyester-melamine coating. The decrease in the impedance modulus |Z| was associated with the localized corrosion on carbon steel, confirming that corrosion protection of the polyester-melamine coatings with NWF well agrees with its water transport behavior.

키워드

polyester;corrosion protection;EIS;wood fiber;confocal microscopy

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과제정보

연구 과제 주관 기관 : Pukyong National University