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Título

A kinetic study on the thermal behaviour of chitosan

AutorLópez Gómez, Félix Antonio ; Mercê, A. L. R.; Alguacil, Francisco José; López-Delgado, Aurora
Palabras claveChitosan
Isoconversional analysis
Kinetic
Thermal degradation
Fecha de publicación2008
EditorSpringer
CitaciónJournal of Thermal Analysis and Calorimetry 91 (2) : 633-639 (2008)
ResumenAbstract The thermal behaviour of chitosan was studied by means of thermogravimetry, mass spectrometry and infrared spectrometry. Kinetic parameters were obtained by advanced kinetic evaluation (differential isoconversional analysis) from DSC curves, in non-isothermal conditions, at several heating rates, between 5 and 30°C min−1. The results showed that the decomposition of chitosan does not follow a single mechanism because both the activation energy and the pre-exponential factor are not constant during the course of the reaction. A comparison with the results obtained by applying different conventional calculating methods is also shown.
Versión del editorhttp://dx.doi.org/10.1007/s10973-007-8321-3
URIhttp://hdl.handle.net/10261/45253
DOI10.1007/s10973-007-8321-3
ISSN1388-6150
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