The inclusion properties of a calixarene-based porous material have been studied to investigate the adsorption and the desorption of carbon tetrachloride, chloroform, and water in the zeolite-like structure. Uptake and release processes have been studied both by time-resolved powder X-ray diffraction and by thermogravimetric analysis to obtain structural and kinetic information. The selected guests are able to enter the structure with an increase in the host cell volume and with time-dependent diffusivity coefficients. Chloroform molecules act as a permanent porosity switch promoting a phase transition to non-porous triclinic form.
Inclusion Properties of Volatile Organic Compounds in a Calixarene-Based Organic Zeolite / L. Erra, C. Tedesco, I. Immediata, L. Gregoli, C. Gaeta, M. Merlini, C. Meneghini, M. Brunelli, A. Fitch, P. Neri. - In: LANGMUIR. - ISSN 0743-7463. - 28:22(2012), pp. 8511-8517.
Inclusion Properties of Volatile Organic Compounds in a Calixarene-Based Organic Zeolite
M. Merlini;
2012
Abstract
The inclusion properties of a calixarene-based porous material have been studied to investigate the adsorption and the desorption of carbon tetrachloride, chloroform, and water in the zeolite-like structure. Uptake and release processes have been studied both by time-resolved powder X-ray diffraction and by thermogravimetric analysis to obtain structural and kinetic information. The selected guests are able to enter the structure with an increase in the host cell volume and with time-dependent diffusivity coefficients. Chloroform molecules act as a permanent porosity switch promoting a phase transition to non-porous triclinic form.
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