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  Self-Healing and Antifouling Multifunctional Coatings Based on pH and Sulfide Ion Sensitive Nanocontainers

Zheng, Z., Huang, X., Schenderlein, M., Borisova, D., Cao, R., Moehwald, H., et al. (2013). Self-Healing and Antifouling Multifunctional Coatings Based on pH and Sulfide Ion Sensitive Nanocontainers. Advanced Functional Materials, 23(26), 3307-3314. doi:10.1002/adfm.201203180.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0014-F486-D Versions-Permalink: https://hdl.handle.net/21.11116/0000-0005-0C1C-0
Genre: Zeitschriftenartikel

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 Urheber:
Zheng, Zhaoliang1, Autor
Huang, Xing2, Autor           
Schenderlein, Matthias3, Autor
Borisova, Dimitriya3, Autor
Cao, Rong4, 5, Autor
Moehwald, H.1, Autor
Shchukin, D. G.3, Autor
Affiliations:
1Helmuth Möhwald, Grenzflächen, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863312              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
3Dmitry Shchukin, Grenzflächen, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863309              
4State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of SciencesState Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, 350002, Fuzhou, China, ou_persistent22              
5Stephenson Institute for Renewable Energy, Department of Chemistry, University of Liverpool,, Crown Street, Liverpool, L69 7ZD, UK, ou_persistent22              

Inhalt

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Schlagwörter: anticorrosion;antifouling;feedback coatings;nanocontainers
 Zusammenfassung: Application of mesoporous silica nanoparticles (MSNs) as delivery tools for self-healing coatings is limited by spontaneous leakage and specifically responsive release of small molecular inhibitors. In this work, a pH/sulfide ion responsive release system based on MSNs using a Cu-BTA complex forms at the openings of the mesopores into which BTA (corrosion inhibitor) and benzalkonium chloride (biocide) are loaded. The spontaneous leakage of active species is completely avoided and premature release of the loaded composition was lowered to 0.02. The responsive release begins when the pH is lower than 5 or [S2-] is higher than 0.02 mM (about 0.6 ppm). The hybrid coating containing the responsive release system exhibits feedback self-healing property sensitive to lowering of pH and sulfide ion concentration and, at the same time, provides a high barrier level for a long time. Due to incorporation of biocide in the release system, the coating is also provided with antifouling properties.

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Sprache(n): eng - English
 Datum: 2012-10-302013-02-132013-07-12
 Publikationsstatus: Erschienen
 Seiten: 8
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/adfm.201203180
 Art des Abschluß: -

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Titel: Advanced Functional Materials
  Andere : Adv. Funct. Mater.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Weinheim, Fed. Rep. of Germany : Wiley-VCH Verlag GmbH
Seiten: - Band / Heft: 23 (26) Artikelnummer: - Start- / Endseite: 3307 - 3314 Identifikator: ISSN: 1616-301X
CoNE: https://pure.mpg.de/cone/journals/resource/954925596563