期刊
JOURNAL OF POLYMER RESEARCH
卷 21, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/s10965-014-0566-5
关键词
Supramolecular nanocontainers; alpha-cyclodextrin; 2-mercaptobenzothiazole; 2-mercaptobenzimidazole; Inclusion complex; Corrosion inhibitor
资金
- Iran National Science Foundation [92020998]
Smart corrosion-inhibiting coatings generate or release an inhibitor only when demanded by the initiation of corrosion. Supramolecular nanocontainers of the alpha-cyclodextrin (alpha-CD) corrosion inhibitor were prepared by inclusion complex (IC) formation between alpha-CD and 2-mercaptobenzothiazole (MBT) or 2-mercaptobenzimidazole (MBI) under various conditions (at room temperature and under sonic energy). The structure of the supramolecular nanocontainers was characterized by hydrogen nuclear magnetic resonance (H-1-NMR), x-ray diffraction (XRD), scanning electron microscopy (SEM) and fourier transform infrared spectroscopy (FTIR). Supramolecular nanocontainer formation between MBT and MBI with alpha-CD in solid phase was emphasized by the significant differences between the H-1-NMR, FTIR and XRD spectra of the physical mixtures with respect to those of the complexes. The crystalline complexes adopted a head to head channel-type and cage conformation for alpha-CD/MBT and alpha-CD/MBI inclusion complexes, respectively.
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