Show simple item record

Article

dc.creatorCarrasco, F.es
dc.creatorPérez Maqueda, Luis Allanes
dc.creatorSantana, O. O.es
dc.creatorMaspoch, María Luisaes
dc.date.accessioned2018-01-05T11:50:42Z
dc.date.available2018-01-05T11:50:42Z
dc.date.issued2014
dc.identifier.citationCarrasco, F., Pérez Maqueda, L.A., Santana, O.O. y Maspoch, M.L. (2014). Enhanced general analytical equation for the kinetics of the thermal degradation of poly(lactic acid)/montmorillonite nanocomposites driven by random scission. Polymer Degradation and Stability, 101, 52-59.
dc.identifier.issn0141-3910 (impreso)es
dc.identifier.issn1873-2321 (electrónico)es
dc.identifier.urihttp://hdl.handle.net/11441/68337
dc.description.abstractAn enhanced general analytical equation has been developed in order to evaluate the kinetic parameters of the thermal degradation of nanocomposites, composed of poly(lactic acid) (PLA) and organo-modified montmorillonite (OMMT) nanoparticles. This improvement has consisted of replacing the n-order conversion function by a modified form of the Sestak-Berggren equation f(α) = c (1 - α)nαm that led to a better adjustment of experimental data and also adequately represented the conventional mechanisms for solid-state processes. The kinetic parameters so obtained have been compared to those determined by conventional differential and isoconversional methods. Given that the thermal degradation of PLA has been argued to be caused by random chain scission reactions of ester groups, the conversion function f(α) = L (L - 1)x(1 - x)L-1, corresponding to a random scission mechanism, has been tested. Once optimized the kinetic model, the thermal degradation kinetics of nanocomposites (0.5 and 2.5% of OMMT) was compared to that of the polymer matrix. Moreover, the thermal stability of nanocomposites was tested and compared to that of the polymer matrix.es
dc.description.sponsorshipMinisterio de Ciencia e Innovación MAT2010-19721-C02-01es
dc.description.sponsorshipMinisterio de Economía y Competitividad CTQ2011-27626es
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherElsevieres
dc.relation.ispartofPolymer Degradation and Stability, 101, 52-59.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectPoly(lactic acides
dc.subjectMontmorillonitees
dc.subjectNanocompositeses
dc.subjectThermal degradationes
dc.subjectEnhanced kinetic modeles
dc.subjectGeneral analytical equationes
dc.subjectRandom scissiones
dc.titleEnhanced general analytical equation for the kinetics of the thermal degradation of poly(lactic acid)/montmorillonite nanocomposites driven by random scissiones
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/acceptedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Química Inorgánicaes
dc.relation.projectIDMAT2010-19721-C02-01es
dc.relation.projectIDCTQ2011-27626es
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.polymdegradstab.2014.01.014es
dc.identifier.doi10.1016/j.polymdegradstab.2014.01.014es
idus.format.extent67 p.es
dc.journaltitlePolymer Degradation and Stabilityes
dc.publication.volumen101es
dc.publication.initialPage52es
dc.publication.endPage59es
dc.contributor.funderMinisterio de Ciencia e Innovación (MICIN). España
dc.contributor.funderMinisterio de Economía y Competitividad (MINECO). España

FilesSizeFormatViewDescription
ENHANCED GENERAL ANALYTICAL ...1.563MbIcon   [PDF] View/Open  

This item appears in the following collection(s)

Show simple item record

Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Except where otherwise noted, this item's license is described as: Attribution-NonCommercial-NoDerivatives 4.0 Internacional