Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 69: Issue 2
A study on the thermodynamic properties of polyimide BTDA-ODA by adiabatic calorimetry and thermal analysis
Authors:
Y.-J. Song

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S.-H. Meng Chinese Academy of Sciences Dalian Thermochemistry Laboratory, Dalian Institute of Chemical Physics Dalian 116023 China Dalian 116023 China

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F.-D. Wang Chinese Academy of Sciences Dalian Thermochemistry Laboratory, Dalian Institute of Chemical Physics Dalian 116023 China Dalian 116023 China

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C.-X. Sun Chinese Academy of Sciences Dalian Thermochemistry Laboratory, Dalian Institute of Chemical Physics Dalian 116023 China Dalian 116023 China

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Z.-C. Tan Chinese Academy of Sciences Dalian Thermochemistry Laboratory, Dalian Institute of Chemical Physics Dalian 116023 China Dalian 116023 China

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Pages:
617–625
Online Publication Date:
02 Nov 2004
Publication Date:
25 Aug 2002
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1019928310680
Keywords:
thermal analysis; low temperature adiabatic calorimetry; polyimide; thermodynamic property
Restricted access

Abstract  

Polyimide BTDA-ODA sample was prepared by polycondensation or step-growth polymerization method. Its low temperature heat capacities were measured by an adiabatic calorimeter in the temperature range between 80 and 400 K. No thermal anomaly was found in this temperature range. A DSC experiment was conducted in the temperature region from 373 to 673 K. There was not phase change or decomposition phenomena in this temperature range. However two glass transitions were found at 420.16 and 564.38 K. Corresponding heat capacity increments were 0.068 and 0.824 J g–1 K–1, respectively. To study the decomposition characteristics of BTDA-ODA, a TG experiment was carried out and it was found that this polyimide started to decompose at ca 673 K.

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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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