Abstract
A novel multi-corrosion inhibitors-halloysite nanocomposite was successfully synthesized by stepwise loading 2-Mercaptobenzothiazole (MBT) and benzotriazole (BTA) into halloysite nanotubes (HNTs), then the insoluble Cu-BTA complex was introduced at the end of HNTs (defined as “Cu-BTA-MBT-HNTs”) to control the release rate of MBT and BTA. The prepared Cu-BTA-MBT-HNTs can not only reduce the release rate of MBT and BTA for achieving the sustained release effect, but also an acid-response complex corrosion inhibitors. Moreover, the Q235 steel in 3.5% NaCl + Cu-BTA-MBT-HNTs solution owns high inhibition efficiency. Therefore, the Cu-BTA-MBT-HNTs can be a very promising multi-corrosion inhibitors-halloysite nanocomposite.
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