Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 56: Issue 3
Thermogravimetric Analysis of Aromatic Polyamides with Benzimidazolyl Side Group
Authors:
H. Abematsu National Defense Academy Department of Chemistry 1-10-20 Hashirimizu Yokosuka Kanagawa 239-8686 Japan

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M. Tsuchiya National Defense Academy Department of Chemistry 1-10-20 Hashirimizu Yokosuka Kanagawa 239-8686 Japan

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Y. Iseri National Defense Academy Department of Chemistry 1-10-20 Hashirimizu Yokosuka Kanagawa 239-8686 Japan

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T. Kojima National Defense Academy Department of Chemistry 1-10-20 Hashirimizu Yokosuka Kanagawa 239-8686 Japan

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Pages:
1093–1096
Online Publication Date:
16 Aug 2006
Publication Date:
01 Nov 1999
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010144709660
Keywords:
activation energy; aromatic polyamide; benzimidazolyl-substitution; TG; thermal stability
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Abstract  

The TG studies are presented for isomers of benzimidazolyl-substituted polyamides (BIPA). The TG data are compared with those polyamides (PA) of identical backbones without substitution, in view of the mechanism of thermal degradation. The TG mass loss curves divided to three temperature ranges reflect the decomposition reactions in the respective temperature ranges: (1) cleavage of single bonds of nitrogen to aromatic ring, (2) random scission of single bonds, (3) condensation of the remained rings. Liberation of benzimidazole rings occurs in the temperature range (2). The final product, char, contains benzimidazole rings. Terephthaloyl-rich BIPA's retard liberation of benzimidazole from the decomposed polymer.

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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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