Influence of organic surfactants on structural stability of mechanochemically treated bentonite |
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| Authors: | Jana Hrachová Peter Billik Vladimír Štefan Fajnor |
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| Institution: | 1.Institute of Inorganic Chemistry,Slovak Academy of Sciences,Bratislava,Slovakia;2.Faculty of Natural Sciences, Department of Inorganic Chemistry,Comenius University,Bratislava 4,Slovakia;3.Institute of Measurement Science,Slovak Academy of Sciences,Bratislava,Slovakia |
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| Abstract: | The aim of this work was to compare the influence of organocations with different length of alkylammonium chain on the structural
stability of clays towards mechanochemical treatment. An industrial product JP A030 (Envigeo, Inc., Slovakia) based on Jelšovy
Potok bentonite (Slovakia) and three organoclays prepared from this material via ion exchange with tetramethylammonium, octyltrimethylammonium
and octadecyltrimethylammonium cations (TMA-JP A030, OTMA-JP A030 and ODTMA-JP A030, respectively) were ground for 1–20 min
in a high-energy planetary mill. The products were investigated by X-ray diffraction analysis, thermal analysis, scanning
electron microscopy and energy dispersive X-ray analysis. The long-chain organic cations apparently enhance the structural
stability of bentonite during high-energy grinding. |
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