Corrosion protection of copper with 3-glycidoxypropyltrimethoxysilane-based sol–gel coating through 3-amino-5-mercapto-1,2,4-triazole doping

Corrosion protection of copper with 3-glycidoxypropyltrimethoxysilane-based sol–gel coating... In this work, 3-amino-5-mercapto-1,2,4-triazole (AMTa) was incorporated into 3-glycidoxypropyltrimethoxysilane (GPTMS)-based sol–gel coatings, which were self-assembled over a copper surface. The AMTa-doped GPTMS-based sol–gel coatings were characterized by Fourier transform infrared spectroscopy, Scanning Electron Microscopy, and Energy-Dispersive X-ray spectroscopy analyses. The protective ability of these coatings was evaluated by electrochemical impedance studies and potentiodynamic polarization measurements in 3.5 % NaCl medium. The AMTa-doped sol–gel coating showed enhanced corrosion protection ability compared to the un-doped GPTMS-based sol–gel coating, which may be largely due to the formation of thiolate bonds between copper and AMTa. The presence of a silane network through the amine group of AMTa could also be a reason for the enhanced protection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Corrosion protection of copper with 3-glycidoxypropyltrimethoxysilane-based sol–gel coating through 3-amino-5-mercapto-1,2,4-triazole doping

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Publisher
Springer Netherlands
Copyright
Copyright © 2015 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-015-2087-1
Publisher site
See Article on Publisher Site

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