Thermal stability of organoclays with mono- and di-alkyl cationic surfactants |
| |
Authors: | Yuri Park Godwin A. Ayoko Janos Kristof Erzsébet Horváth Ray L. Frost |
| |
Affiliation: | 1. Chemistry Discipline, Faculty of Science and Technology, Queensland University of Technology, 2 George Street, GPO 2434, Brisbane, QLD, 4001, Australia 2. Institute of Environmental Engineering, University of Pannonia, P.O. Box 158, Veszprem, 8201, Hungary
|
| |
Abstract: | In this study, mono- and di-alkyl cationic surfactants were used to prepare organoclays through ion exchange and the prepared organoclays were characterised by X-ray diffraction (XRD) and thermogravimetric analysis (TG). Larger basal spacings were observed in the interlayer of the organoclays intercalated with DDDMA than organoclays intercalated with DDTMA. The DTG curves identify the thermal stability of organoclays intercalated with two different types of surfactants (DDTMA and DDDMA) and the different arrangements of the surfactant molecules intercalated in the montmorillonite. Both organoclays intercalated with organic surfactant molecules proved to be thermally stable at high temperature. This study provides an understanding of the structure and properties of organoclays, which will enhance the potential applications of organoclays in environmental remediation. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|