화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.55, 244-252, November, 2017
DOI10.1016/j.jiec.2017.07.001  Export Citation
Enhancement of silane coating protective performance by using a polydimethylsiloxane additive
M. Mahdavian1, †, B. Ramezanzadeh1, M. Akbarian1, M. Ramezanzadeh1, P. Kardar1, E. Alibakhshi1, 2, and S. Farashi3
  • 1Department of Surface Coatings and Corrosion, Institute for Color Science and Technology, P.O. Box 16765-654, Tehran, Iran
  • 2Department of Chemical Engineering, Payame Noor University, Tehran, Iran
  • 3Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
E-mail:
This work intends to study the effect of a polydimethylsiloxane additive on the protection performance of a hybrid silane coating on mild steel. Electrochemical impedance spectroscopy, polarization and electrochemical noise measurements and salt spray showed an increase in corrosion resistance of the silane coating in the presence of the additive. Silane films were examined by FTIR, water droplet contact angle, Vickers hardness and SEM. Results showed decrease in crosslinking density in the presence of the additive. Superior corrosion protection in the presence of additive was attributed to the enhanced hydrophobic character and flexibility of the coating.
Keywords:Silane coating;Polydimethylsiloxane additive;Mild steel;Corrosion
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