Journal
POLYMER DEGRADATION AND STABILITY
Volume 94, Issue 6, Pages 891-897Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2009.03.004
Keywords
Thermal degradation; Activation energy; Composite; Polystyrene; CdS
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Funding
- Ministry of Science and Technological Development of the Republic of Serbia [142066]
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The thermal degradation kinetics of polystyrene/CdS composites were studied by thermogravimetry. The samples were heated in nitrogen, with three different heating rates: 5, 20 and 40 degrees C min(-1). We calculated kinetic parameters using KAS isoconversion method. The results showed that the maximum activation energy of thermal degradation is achieved for PS/CdS composite with about 10% of the CdS filler. Higher concentration of CdS in the composite (20%) induced acceleration of the thermal degradation, approaching the rate of degradation of the pure polystyrene matrix. (C) 2009 Elsevier Ltd. All rights reserved.
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