NDLI: Pyrolysis kinetics of ethylene–propylene (EPM) and ethylene–propylene–diene (EPDM)

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Pyrolysis kinetics of ethylene–propylene (EPM) and ethylene–propylene–diene (EPDM)

Content Provider	Semantic Scholar
Author	Perejón, Antonio Sánchez-Jiménez, Pedro E. Gil-González, Eva Pérez-Maqueda, Luis A. Criado, José M.
Copyright Year	2013
Abstract	Abstract The thermal degradation kinetics of several ethylene–propylene copolymers (EPM) and ethylene–propylene–diene terpolymers (EPDM), with different chemical compositions, have been studied by means of the combined kinetic analysis. Until now, attempts to establish the kinetic model for the process have been unsuccessful and previous reports suggest that a model other than a conventional n th order might be responsible. Here, a random scission kinetic model, based on the breakage and evaporation of cleavaged fragments, is found to describe the degradation of all compositions studied. The suitability of the kinetic parameters resulting from the analysis has been asserted by successfully reconstructing the experimental curves. Additionally, it has been shown that the activation energy for the pyrolysis of the EPM copolymers decreases by increasing the propylene content. An explanation for this behavior is given. A low dependence of the EPDM chemical composition on the activation energy for the pyrolysis has been reported, although the thermal stability is influenced by the composition of the diene used.
Starting Page	1571
Ending Page	1577
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1016/j.polymdegradstab.2013.06.029
Alternate Webpage(s)	https://idus.us.es/bitstream/handle/11441/70330/PYROLYSIS%20KINETICS%20OF%20ETHYLENE-PROPYLENE.pdf?isAllowed=y&sequence=1
Alternate Webpage(s)	http://digital.csic.es/bitstream/10261/97280/1/2013%20Pyrolysis%20kinetics%20of%20ethylene-propylene%20(EPM)%20and%20ethylene-propylene-diene%20(EPDM).pdf
Alternate Webpage(s)	https://doi.org/10.1016/j.polymdegradstab.2013.06.029
Volume Number	98
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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