| Titre : |
Effects of hydrotalcite intercalated with corrosion inhibitor on cathodic disbonding of epoxy coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Thi Xuan Hang To, Auteur ; Nguyen Thuy Duong, Auteur ; Anh Truc Trinh, Auteur ; Hoang Thai, Auteur ; Dinh Thi Mai Thanh, Auteur ; Siriporn Daopiset, Auteur ; Anothai Boonplean, Auteur |
| Année de publication : |
2015 |
| Article en page(s) : |
p. 375-383 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Anticorrosifs
Anticorrosion
Caractérisation
Décollement cathodique (revêtement)
Epoxydes
Essais d'adhésion
Essais de brouillard salin
Hydrotalcites
Revêtements protecteurs
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
In this study, zinc aluminum hydrotalcite intercalated with 2-benzothiazolylthio-succinic acid (BTSA) as a container of corrosion inhibitor was prepared and incorporated in an epoxy coating. The HT-BTSA obtained was characterized using infrared spectroscopy and X-ray diffraction. BTSA release from HT-BTSA in 0.5 M NaCl solution was investigated using UV–Vis spectroscopy. The corrosion protection performance of the epoxy coating containing HT-BTSA was evaluated and compared to the pure epoxy coating and the epoxy coating containing HT by cathodic disbonding test, electrochemical impedance spectroscopy, salt spray test, and adhesion measurement. It was shown that the BTSA was intercalated in hydrotalcite and its loading was about 33.5%. The BTSA release from HT-BTSA increased with the pH of the NaCl solution. It was also shown that the presence of HT or HT-BTSA in epoxy coating improved the resistance to cathodic disbonding and the adhesion of the epoxy coating. Corrosion protection performance of epoxy coating containing HT-BTSA was higher than that of epoxy coating containing HT. |
| Note de contenu : |
- MATERIALS AND METHODS : Materials - Preparation of hydrotalcite - Preparation of hydrotalcite intercalated with BTSA - Preparation of epoxy coatings - Analytical characterizations - BTSA release from HT-BTSA - Electrochemical characterization - Salt spray test - Adhesion measurement
- RESULTS AND DISCUSSION : Characterization of HT-BTSA - Release of BTSA from HT-BTSA - Cathodic disbonding test - Salt spray test - Adhesion measurements |
| DOI : |
10.1007/s11998-014-9642-3 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-014-9642-3.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23661 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 12, N° 2 (03/2015) . - p. 375-383
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