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A new model for the kinetic analysis of thermal degradation of polymers driven by random scission

AuthorsSánchez-Jiménez, P.E. ; Pérez-Maqueda, Luis A. ; Perejón, Antonio ; Criado Luque, J.M.
KeywordsPolymer degradation
Random Scission
Issue Date2010
CitationPolymer Degradation and Stability 95: 733- 739 (2010)
AbstractIn this paper, a series of f(α) kinetic equations able to describe the random scission degradation of polymers is formulated in such a way that the reaction rate of the thermal degradation of polymers that go through a random scission mechanism can be directly related to the reacted fraction. The proposed equations are validated by a study of the thermal degradation of poly(butylene terephthalate) (PBT). The combined kinetic analysis of thermal degradation curves of this polymer obtained under different thermal pathways have shown that the proposed equation fits all these curves while other conventional models used in literature do not. © 2010 Elsevier Ltd. All rights reserved.
Identifiersdoi: 10.1016/j.polymdegradstab.2010.02.017
issn: 0141-3910
Appears in Collections:(EBD) Artículos
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