Interactions of 2,5- and 3,5-dimethylphenols with co-exchanged montmorillonite

The influence of different steric and electronic properties of 2,5- and 3,5-dimethylphenols (2,5 and 3,5-DMP) on the type of interactions with Cobalt-exchanged montmorillonite (Co-MMT) was studied. The results of X-ray diffraction (XRD), IR-spectroscopy and thermal (TG, DTG) analysis show that pheno...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2013-05, Vol.112 (2), p.1083-1087
Main Authors: Janik, R, Jona, E, Pavlik, V, LizA!k, P, Mojumdar, S C
Format: Article
Language:English
Subjects:
Calorimetry
Derivatives
Diffraction
Interlayers
Montmorillonite
Phenol
X-ray diffraction
X-rays
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Summary:The influence of different steric and electronic properties of 2,5- and 3,5-dimethylphenols (2,5 and 3,5-DMP) on the type of interactions with Cobalt-exchanged montmorillonite (Co-MMT) was studied. The results of X-ray diffraction (XRD), IR-spectroscopy and thermal (TG, DTG) analysis show that phenol derivatives are intercalated into the interlayer space of montmorillonite. Thermal decomposition in the temperature interval 20a700 degree C of Co-MMT with 3,5-DMP proceeds in four steps while Co-MMT with 2,5-DMP decompose only in three steps. These differences are connected with different acidabase interactions of individual phenol derivatives in the interlayer space of montmorillonite, which is in agreement with the results of IR-spectroscopy.
ISSN:1388-6150
1572-8943
DOI:10.1007/s10973-013-3012-8