Thermal analysis applied to the characterization of degradation in soil of polylactide: I. Calorimetric and viscoelastic analyses
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Thermal analysis applied to the characterization of degradation in soil of polylactide: I. Calorimetric and viscoelastic analyses

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Thermal analysis applied to the characterization of degradation in soil of polylactide: I. Calorimetric and viscoelastic analyses

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dc.contributor.author Santonja-Blasco, L.
dc.contributor.author Moriana, Rosana
dc.contributor.author Badia Valiente, José David
dc.contributor.author Ribes Greus, A.
dc.date.accessioned 2019-10-21T14:57:51Z
dc.date.available 2019-10-21T14:57:51Z
dc.date.issued 2010
dc.identifier.uri https://hdl.handle.net/10550/71783
dc.description.abstract An accelerated soil burial test has been performed on a commercial polylactide (PLA) for simulating non-controlled disposal. Degradation in soil promotes physical and chemical changes in polylactide properties, which can be characterized by Thermal Analysis techniques. Physical changes occurred in polylactide due to the degradation in soil were evaluated by correlating their calorimetric and viscoelastic properties. It is highly remarkable that each calorimetric scan offers specific and enlightening information. Degradation in soil affects the polylactide chains reorganization. A multimodal melting behavior is observed for buried PLA, degradation in soil also promotes the enlarging the lamellar thickness distribution of the population with bigger average size. Morphological changes due to degradation in soil lead to an increase in the free volume of the polylactide chains in the amorphous phase that highly affected the bulk properties. Thermal Analysis techniques provide reliable indicators of the degradation stage of polylactide induced by degradation in soil, as corroborated by molecular weight analysis.
dc.language.iso eng
dc.relation.ispartof Polymer Degradation and Stability, 2010, vol. 95, num. 11, p. 2185-2191
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Santonja-Blasco, L. Moriana, Rosana Badia Valiente, José David Ribes Greus, A. 2010 Thermal analysis applied to the characterization of degradation in soil of polylactide: I. Calorimetric and viscoelastic analyses Polymer Degradation and Stability 95 11 2185 2191
dc.subject Termoplàstics
dc.subject Materials compostos
dc.title Thermal analysis applied to the characterization of degradation in soil of polylactide: I. Calorimetric and viscoelastic analyses
dc.type info:eu-repo/semantics/article
dc.date.updated 2019-10-21T14:57:51Z
dc.identifier.doi https://doi.org/10.1016/j.polymdegradstab.2010.08.005
dc.identifier.idgrec 134910

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