4.4 Article

Mesostructured Silica Nanoparticles with Organic Corrosion Inhibitors to Enhance the Longevity of Anticorrosion Effect

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BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
卷 96, 期 4, 页码 394-397

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CHEMICAL SOC JAPAN
DOI: 10.1246/bcsj.20230004

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Mesostructured silica particles; Composites; Anticorrosion

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In this study, a specific organosilane molecule is used to form soft-templates that store organic corrosion inhibitors and chemically anchor to silica surface during a sol-gel process. The resulting mesostructured silica with anchored soft-templates achieves an environmental-friendly synthetic method and prolonged storage of the corrosion inhibitors. Coating a copper substrate with the mesostructured silica embedding the corrosion inhibitors provides a prolonged anticorrosion effect.
In this study, a specific organosilane molecule (octadecyl-dimethyl(3-trimethoxysilylpropyl)ammonium) is used to form soft-templates that store organic corrosion inhibitors (tolytri-azole), and chemically anchor to silica surface during a sol-gel process. As the anchored soft-templates in the resulting mesostructured silica are not removed, it successfully achieves an environmental -friendly synthetic method and a prolonged storage of tolyriazole. Coating of a copper substrate with the mesostructured silica embedding tolytriazole, therefore, en-dows a prolonged anticorrosion effect.

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