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Evaluation of multifunctional marine coatings enriched with organometallic biocides supported on ZSM-5 zeolite for biofouling prevention
Indexado
WoS WOS:001341135100001
Scopus SCOPUS_ID:85206854500
DOI 10.1016/J.MATCHEMPHYS.2024.130056
Año 2025
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



There is significant concern regarding the biocides commonly used in commercial antifouling protection systems because of their high concentrations in coastal areas and the potential harm they can cause to marine organisms. Thus, much research has been dedicated to replacing these biocides with environment-friendly alternatives. Particularly, the use of natural products that inhibit the settlement of fouling organisms is the key to antifouling coating technology. The purpose of this study was to develop antifouling paints by using eco-friendly compounds and implement a multifunctional coating factor. Natural-origin biocidal agents, such as capsaicin, and a copperion release system supported on synthetic zeolite ZSM-5 were used. The formulations resulted in viscosities and particle sizes similar to those of commercial antifouling paints. The capsaicin coatings exhibited less fracture damage and more resistance to deformation in the flexibility and cupping tests. In the adhesion tests, all formulations exceeded 3 MPa, thereby enhancing the adhesion values of conventional antifouling agents. However, the capsaicin coatings exhibited less abrasion resistance than those containing zeolite. Corrosion resistance tests using electrochemical impedance spectroscopy indicated good anti-corrosive properties, particularly in the coatings with 8 % and 10 % copper. All formulations proved to be bactericidal within 6 h, and some completely eliminated the cell density by 3 h, highlighting the effectiveness of the biocide against the marine strain Pseudoalteromonas sp. UCO92.

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Disciplinas de Investigación



WOS
Materials Science, Multidisciplinary
Scopus
Materials Science (All)
Condensed Matter Physics
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 MONTOYA-RENDON, LUIS FELIPE Hombre Universidad de Concepción - Chile
2 Munoz-Rivera, I. - Universidad de Concepción - Chile
3 JARAMILLO-MUNOZ, ANDRES FELIPE Hombre Universidad de La Frontera - Chile
UNIV CORDOBA - Colombia
Universidad de Córdoba, Monteria - Colombia
4 Abreu, N. J. - Universidad de La Frontera - Chile
5 Sanchez-Sanhueza, Gabriela Mujer Universidad de Concepción - Chile
6 Gonzalez-Rocha, G. - Universidad de Concepción - Chile
7 FERNANDEZ-ELGUETA, KATHERINA FABIOLA Mujer Universidad de Concepción - Chile
8 MELENDREZ-CASTRO, MANUEL FRANCISCO Hombre Universidad San Sebastián - Chile

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Financiamiento



Fuente
FONDEQUIP
FONDECYT Iniciación
Ministry of Science
Fondo Nacional de Desarrollo Científico y Tecnológico
Agencia Nacional de Investigación y Desarrollo
Agenția Națională pentru Cercetare și Dezvoltare
FONDECYT REGULAR from the National Agency for Research and Development (ANID)

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Agradecimientos



Agradecimiento
This research was funded by FONDECYT INICIACION Project 11190358 and FONDECYT REGULAR project 1231376 from the National Agency for Research and Development (ANID), under the Ministry of Science, Government of Chile.
AFJ extends thanks to ANID for the support received through the FONDECYT INICIACION Project 11190358 and FONDECYT REGULAR project 1231376. MFM acknowledges ANID for their support through the following projects: FONDEQUIP Project N\u00B0EQM150139, EQM190002, PIA/APOYO CCTE AFB170007. MFM also expresses gratitude to Valentina Lamilla and Juliana Mel\u00E9ndrez for their enormous support.
AFJ extends thanks to ANID for the support received through the FONDECYT INICIACION Project 11190358 and FONDECYT REGULAR project 1231376. MFM acknowledges ANID for their support through the following projects: FONDEQUIP Project N\u00B0EQM150139, EQM190002, PIA/APOYO CCTE AFB170007. MFM also expresses gratitude to Valentina Lamilla and Juliana Mel\u00E9ndrez for their enormous support.

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