화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.75, 20-37, July, 2019
DOI10.1016/j.jiec.2019.03.018  Export Citation
Organic conversion coatings for magnesium and its alloys
Viswanathan S. Saji†
  • Center of Research Excellence in Corrosion, Research Institute, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia
E-mail:
The currently employed inorganic conversion coatings are unattractive and their use is restricted due to toxicity, non-biodegradability and high cost. Conversion coatings based on environmentally friendly, economic and biodegradable organic compounds is a promising alternative approach. These compounds with surface chelating functional groups can effectively bond with the magnesium/surface hydroxide layer and at the same time can provide anchoring groups for the polymer overcoat. They can act as a potential host for nanoreservoirs with loaded inhibitors for active self-healing corrosion protection. This review provides a comprehensive account of the organic conversion coatings for magnesium and its alloys.
Keywords:Magnesium and its alloys;Corrosion;Conversion coatings;Organic chelating compounds;Phytic acid;Polyphenols
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