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Reprocessed polylactide: Studies of thermo-oxidative decomposition

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Reprocessed polylactide: Studies of thermo-oxidative decomposition

dc.contributor.author	Badia Valiente, José David
dc.contributor.author	Santonja-Blasco, L.
dc.contributor.author	Martínez-Felipe, A.
dc.contributor.author	Ribes Greus, A.
dc.date.accessioned	2019-10-23T13:57:13Z
dc.date.available	2019-10-23T13:57:13Z
dc.date.issued	2012
dc.identifier.citation	Badia Valiente, José David Santonja-Blasco, L. Martínez-Felipe, A. Ribes Greus, A. 2012 Reprocessed polylactide: Studies of thermo-oxidative decomposition Bioresource Technology 114 622 628
dc.identifier.uri	https://hdl.handle.net/10550/71801
dc.description.abstract	The combustion process of virgin and reprocessed polylactide (PLA) was simulated by multi-rate linear non-isothermal thermogravimetric experiments under O2. A complete methodology that accounted on the thermal stability and emission of gases was thoroughly developed. A new model, Thermal Decomposition Behavior, and novel parameters, the Zero-Decomposition Temperatures, were used to test the thermal stability of the materials under any linear heating rate. The release of gases was monitored by Evolved Gas Analysis with in-line FT-IR analysis. In addition, a kinetic analysis methodology that accounted for variable activation parameters showed that the decomposition process could be driven by the formation of bubbles in the melt. It was found that the combustion technologies for virgin PLA could be transferred for the energetic valorization of its recyclates. Combustion was pointed out as appropriate for the energetic valorization of PLA submitted to more than three successive reprocessing cycles.
dc.language.iso	eng
dc.relation.ispartof	Bioresource Technology, 2012, vol. 114, p. 622-628
dc.subject	Termoplàstics
dc.subject	Ciència dels materials
dc.title	Reprocessed polylactide: Studies of thermo-oxidative decomposition
dc.type	journal article	es_ES
dc.date.updated	2019-10-23T13:57:13Z
dc.identifier.doi	10.1016/j.biortech.2012.02.128
dc.identifier.idgrec	134916
dc.rights.accessRights	open access	es_ES