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Interactions of Co-Exchanged Montmorillonite with Pyridine, 4-Methyl- and 4-Ethylpyridine

E. Jóna, M. Kubranová, S. C. Mojumdar, and M. Kopcová

Department of Chemistry and Technology of Inorganic Materials, Faculty of Industrial Technologies, University of Trenčín, SK-020 32 Púchov

 

E-mail: scmojumdar@hotmail.com

Received: 22 January 2002

Abstract: Thermal analysis (TG, DTG) and infrared absorption spectra were used to study the interactions of pyridine, 4-methylpyridine, and 4-ethylpyridine with Co-exchanged montmorillonite. It is shown that the bonds between the derivatives of pyridine and the montmorillonite exhibit predominantly the Lewis acid character. The total amount of pyridines inserted in the porous structure of montmorillonite increases in the following sequence: unsubstituted, 4-methyl-, 4-ethylpyridine.

Full paper in Portable Document Format: 565a295.pdf

 

Chemical Papers 56 (5) 295–298 (2002)

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