Abstract
HZSM-5 zeolite was screened as catalyst for high density polyethylene degradation at 450‡C, under nitrogen static atmosphere. Two different samples were studied in this condition: HDPE alone and mixed with HZSM-5. The reactor was connected on line to an HP 5890-II gas Chromatograph. Sample degradation was investigated using a Perkin-Elmer Delta 7 Thermobalance, from room temperature to 800‡C, with heating rates of 5.0, 10.0 and 20.0‡C min−1. From TG curves, the activation energies, calculated using an integral kinetic method, decreased 60.6% in the presence of the zeolite.
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This work was supported by Conselho Nacional de Desenvolvimento Cientifico e Tecnológico (CNPq) and CoordenaÇÃo de Apoio ao Pessoal de Ensino Superior (CAPES).
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Fernandes, V.J., Araujo, A.S. & Fernandes, G.J.T. Catalytic degradation of polyethylene evaluated by TG. Journal of Thermal Analysis 49, 255–260 (1997). https://doi.org/10.1007/BF01987446
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DOI: https://doi.org/10.1007/BF01987446