Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 44: Issue 5
Superfast thermal decomposition reactions of polymers and crystallohydrates
Author:
O. Shlensky Mendeleev Institute of Chemical Technology Miusskaja pl. 9 125190 Moscow Russia

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Pages:
1113–1120
Online Publication Date:
09 Jan 2007
Publication Date:
01 May 1995
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02547540
Keywords:
crystallohydrates; polymers; superfast thermal decomposition reactions
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Abstract  

Evidence of the existence of a high-limit degradation temperature for polymers is reported. At this high-limit temperature, the rate of polymer thermolysis exceeds the reaction rate predicted by the Arrhenius law by many orders of magnitude. An explanation is proposed for the observed behaviour, based on the disappearance of intermolecular interactions. For the study of degradation reactions under high-limit temperature conditions, new methods of fast (pulsed) thermal analysis are presented. The investigated samples, as very thin films, are brought into tight contact with a hot moving metal surface. Under these conditions, the heating rate exceeds 104 deg/s, allowing estimation of accompanying decomposition rates for heating times of the order of 0.01 s.

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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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