Evaluation in Real Conditions of New Anticorrosive Formulations Based on Polyphenols from Natural Sources and Encapsulated Nanoparticles
| Primer Autor |
Rojas, David
|
| Co-autores |
Ramirez, Jesus
Diaz-Gomez, Andres
Felipe Montoya, Luis
Shiva Samhitha, Saireddy
Onate, Angelo
Felipe Jaramillo, Andres
Francisco Melendrez, Manuel
|
| Título |
Evaluation in Real Conditions of New Anticorrosive Formulations Based on Polyphenols from Natural Sources and Encapsulated Nanoparticles
|
| Editorial |
MDPI
|
| Revista |
COATINGS
|
| Lenguaje |
en
|
| Resumen |
The objective of this study was to examine the combined protection effect of a two-layer system consisting of organic corrosion inhibitors (tannins derived from the bark of radiata pine) and anodic protection by means of the incorporation of zinc oxide nanoparticles modified superficially by chemical methods to improve the protection of metallic structures against corrosion. Film evaluations are performed in accordance with ISO and ASTM standards. This study also took into account the evaluation of the performance of two commercial coatings according to the scheme suggested by the supplier, in addition to the electrochemical impedance spectroscopy (EIS) characterizations at 0 h, 720 h of accelerated exposure, and 4 months of atmospheric exposure in a corrosive environment of classification C3. The results obtained indicated that the combination of tannins derived from pine bark and encapsulated zinc oxide nanoparticles is a viable alternative to commercial coatings with a higher concentration of synthetic compounds. Although the film properties decrease slightly, performance tests at different exposure times show that they can still be classified as high-performance coatings.
|
| Fecha Publicación |
2023
|
| Tipo de Recurso |
artículo original
|
| doi |
10.3390/coatings13010008
|
| Formato Recurso |
PDF
|
| Palabras Claves |
atmospheric corrosion
corrosion protection
epoxy resin
tannins
ZnO nanoparticles
|
| Ubicación del archivo | |
| Categoría OCDE |
Ciencia de Materiales
Física
|
| Materias |
corrosión atmosférica
protección contra la corrosión
resina epoxica
taninos
Nanopartículas de ZnO
|
| Identificador del recurso (Mandatado-único) |
artículo original
|
| Versión del recurso (Recomendado-único) |
versión publicada
|
| License |
CC BY 4.0
|
| Condición de la licencia (Recomendado-repetible) |
CC BY 4.0
|
| Derechos de acceso |
acceso abierto
|
| Access Rights |
acceso abierto
|
| Id de Web of Science |
WOS:000917100000001
|
| Tipo de ruta |
verde# dorado
|
| Categoría WOS |
Ciencia de Materiales
Física
|
| Referencia del Financiador (Mandatado si es aplicable-repetible) |
ANID FONDEQUIP EQM150139
aANID PIA/APOYO CCTE AFB170007
ANID FONDECYT 1190358
ANID FONDEF IDEA ID17i10333
ANID FONDEF IDEA ID16I20190
|
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