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  • 1 University of Silesia Department of Environmental Chemistry and Technology, Institute of Chemistry Katowice Poland 40-006 Szkolna 9 Katowice Poland 40-006 Szkolna 9
  • | 2 University of Silesia Institute of Physics Katowice Poland 40-007 Universytecka 4 Katowice Poland 40-007 Universytecka 4
  • | 3 Medical University of Silesia Department of Physical Pharmacy Sosnowiec Poland 41-200 Jagiellońska 4 Sosnowiec Poland 41-200 Jagiellońska 4
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Abstract  

From the TG data of rubber granulates, different polyurethane and composites it can be seen that the thermal decomposition for the rubber granulate and all of the composites start above 520 K. Two major mass losses for the rubber granulates and majority of the composites were observed and thermal decomposition is essentially complete by ~820 K. The changes of activation energies of lower and higher temperature decomposition, calculated according to the different equations were observed for a priori assumed first-order reaction for devolatilisation. Differences between determined and calculated results could suggest a possible reaction between polyurethane agents and rubber granulate during the composites formations.

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