Geopolymers
Inorganic polymeric new materials
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Yeliz Durak
Yeliz Durak
TÜBİTAK Marmara Research Center, Energy Institute, 41470, Gebze, Kocaeli, Turkey
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Tülay Durusoy
Tülay Durusoy
Department of Chemical Engineering, University of Hacettepe, 06800, Beytepe, Ankara, Turkey
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Abstract
In this study, the combustion kinetics of Göynük oil shale, polyethylene, polyethylene glycol (PEG), polymethyl methacrylate (PMMA), polyvinyl chloride, and polymer–oil shale blends were investigated by thermogravimetric analysis. Experiments were conducted at non-isothermal conditions with a heating rate of 5 K min−1 in the 298–1173 K temperature interval under air atmosphere. An increase in the total conversion values with increasing mass percentage of polymers of the blends was observed. Differential thermogravimetric data were analyzed by an Arrhenius model. Effects of blending ratio of oil shale and polymer on the combustion kinetics were investigated. Kinetic parameters were determined and the results were discussed. An increase was observed in the frequency factor and activation energy values as the weight percentage of polymer in blends were increased. The minimum activation energy, 16.1 kJ mol−1, was calculated for PEG/oil shale with 2/3 blending ratio.
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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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Temperature dependence of the rate of reaction in thermal analysis
The Arrhenius equation in condensed phase kinetics
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