Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 49: Issue 3
Kinetic studies on the thermal dissociation of β-cyclodextrin-cinnamyl alcohol inclusion complex
Authors:
Shou-Zhi Yu Department of Chemistry, Henan Normal University, 453002 Xinxiang, P. R. China

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Xiao-Tao Li Department of Chemistry, Henan Normal University, 453002 Xinxiang, P. R. China

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Jing-Hua Li Department of Chemistry, Henan Normal University, 453002 Xinxiang, P. R. China

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Jin-Yun Wang Department of Chemistry, Henan Normal University, 453002 Xinxiang, P. R. China
Department of Chemistry, University of Connecticut, 06268 Storrs, CT, USA

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Sheng-Jun Tian Department of Chemistry, Henan Normal University, 453002 Xinxiang, P. R. China

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Pages:
1517–1525
Online Publication Date:
01 Aug 1997
Publication Date:
01 Aug 1997
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01983712
Keywords:
β-cyclodextrin; cinnamyl alcohol; kinetics; thermal analysis
Restricted access

Abstract

The stability of β-cyclodextrin-cinnamyl alcohol inclusion complex (β-CD·C9H10·8H2O) was investigated using TG and DSC. The mass loss took place in three stages: the dehydration occurred between 50–120°C; the dissociation of β-CD·C9H10O occurred in the range of 210–260°C; and the decomposition of β-CD began at 280°C. The dissociation of β-CD·C9H10O was studied by means of thermogravimetry, and the results showed: the dissociation of β-CD·C9H10O was dominated by a two-dimensional diffusion process (D2). The activation energyE was 161.2 kJ mol−1, the pre-exponential factorA was 4.5×1013 min−1.

Cyclodextrin is able to form inclusion complexes with a great variety of guest molecules, and the interesting of studies focussed on the energy binding cyclodextrin and the guest molecule.

In this paper, β-cyclodextrin-cinnamyl alcohol inclusion complex was studied by fluorescence spectrophotometry and infrared absorption spectroscopy, and the results show: the stable energy of inclusion complexes of β-CD with weakly polar guest molecules consists mainly of Van der Waals interaction.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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