Authors:
S.-J. Tian Henan Normal University, Xinxiang Department of Chemistry 453002 Henan People's Republic of China 453002 Henan People's Republic of China

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G.-X. Xi Henan Normal University, Xinxiang Department of Chemistry 453002 Henan People's Republic of China 453002 Henan People's Republic of China

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Q.-T. Cheng Henan Normal University, Xinxiang Department of Chemistry 453002 Henan People's Republic of China 453002 Henan People's Republic of China

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X.-D. Lou Henan Normal University, Xinxiang Department of Chemistry 453002 Henan People's Republic of China 453002 Henan People's Republic of China

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J.-H. Li Henan Normal University, Xinxiang Department of Chemistry 453002 Henan People's Republic of China 453002 Henan People's Republic of China

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Abstract  

The inclusion complex of benzaldehyde (BA) with β-cyclodextrin (β-CD) was prepared and was studied by thermal analysis and X-ray diffractometry. The composition of the complex was identified by TG and elemental analysis as β-CDBA9H2O. TG and DSC studies showed that the thermal dissociation of β-CDBA9H2O took place in three stages: dehydration in the range 70-120C; dissociation of β-CDBA in the range 235-270C; and decomposition of β-CD above 280C. The kinetics of dissociation of β-CDBA in flowing dry nitrogen was studied by means of TG both at constant temperature and at linearly increasing temperature. The results showed that the dissociation of β-CDBA was dominated by a one-dimensional random nucleation and subsequent growth process (A2). The activation energy E was 124. 8 kJ mol-1, and the pre-exponential factor A 5.041011 min-1.

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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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