Sustained-release system based on BTA@MOF-5 for self-healing coating application

A novel sustained-release system was designed on the basis of metal–organic framework-5 (MOF-5) as a nanocontainer to load benzotriazole (BTA). Furthermore, the fabricated BTA/MOF-5 ([email protected]) was doped to the epoxy coating to improve the anticorrosion performance of copper. UV spectrophotometry proved the sustained-release behavior of [email protected] Salt spray tests and electrochemical measurements demonstrated the self-healing ability of the composite coating. This novel sustained-release system provides a new strategy for metal protection.