Influence of sample preparation on thermal decomposition of wasted polyolefins-oil mixtures |
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Authors: | A Mianowski T Siudyga |
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Institution: | (1) Department of Inorganic Chemistry and Technology, Silesian University of Technology, Krzywoustego 6, 44-100 Gliwice, Poland |
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Abstract: | Significant influence of sample preparation on thermal decomposition of polyolefin-technological oil mixtures was proved during
tests. Samples of polymer-oil mixtures were prepared with two methods: reducing size and components mixing and soaking in
temperature 170°C. Soaking causes decreasing thermal stability of the charge. This fact manifests itself in decreasing of
thermal decomposition temperature in laboratory scale, as well as in change of characteristic decomposition temperatures during
thermogravimetric analyses. Data analysis was performed with the use of classic method based on Arrhenius kinetic equation
and three-parameter model. The influence of sample composition and preparation method on values of three-parameter equation
coefficients was observed. |
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Keywords: | a2 coefficient paraffin oil polyolefins single kinetic triplet thermal decomposition |
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