Preparation and corrosion protection of polypyrrole/SiO 2 nanocomposite doped with 3‐nitrosalicylic acid on aluminum

Polypyrrole/SiO 2 nanocomposite doped with 3‐nitrosalicylic acid was synthesized in three concentrations of 3‐nitrosalicylic acid: 0.01  m , 0.005  m , and 0.0025  m . FTIR spectroscopy, thermogravimetric analysis (TGA), Raman scattering spectroscopy, and FESEM imaging further assisted in determinin...

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Veröffentlicht in:Vietnam journal of chemistry 2024-08, Vol.62 (4), p.540-546
Hauptverfasser: Van Khoe, Le, Hung, Ha Manh, Thuy, Hoang Thi, Binh, Pham Huy, Anh, Bui Tuan, Duc, Le Minh, Huong, Nguyen Thi, Oanh, Doan Thi Yen, Thai, Nguyen Xuan, Trung, Vu Quoc
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Sprache:eng
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Zusammenfassung:Polypyrrole/SiO 2 nanocomposite doped with 3‐nitrosalicylic acid was synthesized in three concentrations of 3‐nitrosalicylic acid: 0.01  m , 0.005  m , and 0.0025  m . FTIR spectroscopy, thermogravimetric analysis (TGA), Raman scattering spectroscopy, and FESEM imaging further assisted in determining the shape and structure of the polypyrrole/nanocomposite product. The aluminum protection arrangement of the paint film comprising polypyrrole/SiO 2 nanocomposite doped with 3‐nitrosalicylic acid was proven by electrochemical methods. The salt spray test results also demonstrated the protective efficacy of the paint film comprising polypyrrole/SiO 2 nanocomposite doped with 3‐nitrosalicylic acid to suppress corrosion. The best corrosion prevention results were obtained with a polypyrrole/SiO 2 nanocomposite dispersion paint film doped with 0.01  m 3‐nitrosalicylic acid at a concentration of 2%.
ISSN:2572-8288
2572-8288
DOI:10.1002/vjch.202400042