Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 74: Issue 2
Thermal analysis of polyolefin and liquid paraffin mixtures
Authors:
A. Mianowski Silesian University of Technology Department of Chemical Technology of Coal and Petroleum 44-100 Gliwice Poland 44-100 Gliwice Poland

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T. Siudyga Silesian University of Technology Department of Chemical Technology of Coal and Petroleum Krzywoustego 8 44-100 Gliwice Poland Krzywoustego 8 44-100 Gliwice Poland

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Pages:
623–630
Online Publication Date:
03 Nov 2004
Publication Date:
01 Nov 2003
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jtan.0000005203.55828.c5
Keywords:
thermogravimetry; coupled TG/DTG; liquid paraffin; polyolefins; decomposition; thermal analysis
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Abstract  

The thermal decomposition of the polypropylene and liquid paraffin mixtures with inorganic additives was studied in dynamic conditions. Thus, typical thermal analyses were carried out and thermal decomposition of samples in a specially designed apparatus was also processed. One can observe for samples of sufficiently low mass that thermal analysis allows clear distinction of samples that contain and do not contain liquid paraffin, respectively. Moreover, it is possible to separate two stages of the decomposition process. The relationship between the logarithm of conversion degree and temperature (so called three-parameter model) was used for the description of these processes. Relations between coefficients in three-parameter equation in micro-scale, and characteristic temperatures of thermal decomposition in laboratory scale were observed in spite of meaningful differences in the course of the processes.

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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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