引用本文:
赵彦钊, 张亚莉, 王兰. 不同有机离子表面活性剂改性蒙脱土结构与性能比较[J]. 应用化学,
2013, 30(12): 1449-1452.
doi:
10.3724/SP.J.1095.2013.30053
Citation: ZHAO Yanzhao, ZHANG Yali, WANG Lan. Structure and Property Comparison of Montmorillonites Modified with Organo-ionic Surfactants[J]. Chinese Journal of Applied Chemistry, 2013, 30(12): 1449-1452. doi: 10.3724/SP.J.1095.2013.30053
Citation: ZHAO Yanzhao, ZHANG Yali, WANG Lan. Structure and Property Comparison of Montmorillonites Modified with Organo-ionic Surfactants[J]. Chinese Journal of Applied Chemistry, 2013, 30(12): 1449-1452. doi: 10.3724/SP.J.1095.2013.30053
不同有机离子表面活性剂改性蒙脱土结构与性能比较
English
Structure and Property Comparison of Montmorillonites Modified with Organo-ionic Surfactants
Abstract:
Organic montmorillonites (OMMT) were prepared through ion exchange method using cationic surfactant cetyl trimethyl ammonium bromide (CTAB),anionic surfactant sodium dodecyl sulfate (SDS) and their mixture (CTAB-SDS). The structures of OMMT were characterized by FT-IR and XRD. The results show that CTAB and CTAB-SDS are intercalated into the layers of montmorillonite while SDS is not. The distances between the montmorillonite layers are increased from 1.5601 nm to 2.1946 nm and 1.8935 nm when CTAB and CTAB-SDS are used respectively. The resulted OMMTs with increased layer distances have a good dispersibility in styrene and show improved adsorption toward phenol.
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Key words:
- montmorillonite
- / organic modification
- / surfactant
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