期刊
APPLIED CLAY SCIENCE
卷 86, 期 -, 页码 106-110出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2013.07.003
关键词
Kaolinite; Intercalation; Ionic liquid; TG-DSC; UV-vis
资金
- National Natural Science Foundation of China [41172051, 40872039, 40572114]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20060491504]
- Special Fund for Basic Scientific Research of Central Colleges, China University of Geosciences [CUGL1100201]
Intercalate nanomaterial comprising of ionic liquid 1-butyl-3-methylimidazolium bromine [bmim]Br and methanol-pretreated kaolinite was prepared. We study several physical properties of the new intercalation compound by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), Thermogravimetric analysis and differential scanning calorimetry (TG-DSC), UV-vis spectra and scanning electron microscopy (SEM). The intercalation compound shows an increase of the basal spacing from 0.72 nm (for kaolinite) to 1.42 nm (for the material with the guest). Intercalated compound shows an increase in the thermal stability. Finally, the UV-vis spectra reveal significant absorption in the UV region for this inclusion compound. (C) 2013 Elsevier B.V. All rights reserved.
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