Abstract
p-(9-(2-Methylisoxazolidin-5-yl)nonyloxy)benzaldehyde I, prepared using a cycloaddition protocol, was elaborated into its cinnamaldehyde derivative II which upon quarternization with propargyl chloride afforded III bearing an interesting blend of structural traits suitable for imparting inhibition of mild steel corrosion. Novel compounds I-III showed efficient inhibition against mild steel corrosion in CO2-0.5M NaCl (40°C, 1atm; 120°C, 10bar), 1, 4, 7.7M HCl, and 0.5M H2SO4 at 60°C as determined by gravimetry and electrochemical methods. The presence of carbonaceous surface and nitrogen, as revealed by XPS study, indicated the formation of a film covering the metal surface, which imparted corrosion inhibition.
| Original language | English |
|---|---|
| Pages (from-to) | 187-198 |
| Number of pages | 12 |
| Journal | Corrosion Science |
| Volume | 87 |
| DOIs | |
| State | Published - Oct 2014 |
Bibliographical note
Funding Information:Facilities provided by King Fahd University of Petroleum and Minerals and financial assistance by King Abdulaziz City of Science and Technology (KACST) (under the Grant: AR-26-26 ) and Deanship of Scientific Research, KFUPM (Startup Grant: IN121036 ) are gratefully acknowledged.
Keywords
- A. Mild steel
- B. Polarization
- B. Weight loss
- C. Acid corrosion
- C. Interfaces
- C. Thermodynamic diagrams
ASJC Scopus subject areas
- General Chemistry
- General Chemical Engineering
- General Materials Science
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