Titanate matrices as potential corrosion inhibitor nanocontainers

• Titanate matrices acting as corrosion inhibitor nanocontainers.
• Stable matrix structure during both incorporation and extraction of inhibitor.
• Dependence of release rate of inhibitor on pH of solution.

Layered titanates as inhibitor nanocontainers were studied in this paper. Pyridine as a typical inhibitor was introduced into the titanate matrices and its extraction from the matrices was studied. The results show that the increase of pH of media favors the extraction of pyridine from the matrices. The layered structure of titanate containers remains stable after both introduction and extraction of pyridine. Additionally, corrosion inhibition measurements also confirm the effective release of pyridine from the titanate nanocontainers.