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The addition of aluminum nanoparticles to polypropylene increases its thermal stability

AuthorsArranz-Andrés, Javier ; López Gómez, Félix Antonio ; Benavente, Rosario
KeywordsPolypropylene-Aluminum nanocomposites
Reaction model
Thermal degradation
Issue Date2017
CitationInternational Journal of Engineering Research and Applications 7 (2): 5-12 (2017)
AbstractThis work reports the thermal degradation kinetics of isotactic polypropylene (iPP) and iPP with incorporated Al nanoparticles. The Friedman, Flynn-Wall–Ozawa (FWO), ASTM E698 and Coats-Redfern methods were used to calculate the activation energy of the samples from thermogravimetric data. The thermal stability of the iPP was improved by the introduction of the nanoparticles: the maximum decomposition temperature of the nanocomposite increased from 453 ºC to 457 ºC and the activation energy from 226 kJ/mol to 244 kJ/mol. The thermal degradation models of iPP can be described by “Contracting Sphere” model, whereas that to nanocomposite by Rn (n= 4.8) model (phase boundary reaction).
Publisher version (URL)https://doi.org/10.9790/9622-07020105012
Identifiersdoi: 10.9790/9622-07020105012
issn: 2248-9622
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(ICTP) Artículos
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