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dc.contributor.authorArrieta, M. P.-
dc.contributor.authorPeponi, Laura-
dc.date.accessioned2017-04-11T12:04:42Z-
dc.date.available2017-04-11T12:04:42Z-
dc.date.issued2017-
dc.identifierdoi: 10.1016/j.eurpolymj.2017.02.028-
dc.identifierissn: 0014-3057-
dc.identifiere-issn: 1873-1945-
dc.identifier.citationEuropean Polymer Journal 89: 174-184 (2017)-
dc.identifier.urihttp://hdl.handle.net/10261/148279-
dc.description.abstractCatechin (Cat) was added into polyurethane (PU) based on a tri-block copolymer of poly(L-lactic acid) and poly(ε-caprolactone) (PLLA-b-PCL-b-PLLA) to improve the thermal stability of the final PU composite materials. The morphological, structural, mechanical and thermal properties of PU-Cat composites loaded with 1 wt%, 3 wt% and 5 wt% of Cat were investigated and designed as PU-Cat1, PU-Cat3 and PU-Cat5, respectively. Homogeneous films were obtained after the solvent casting process, but the higher amount of 5 wt% used in this work could not be successfully dispersed and produced some structural defects as were observed by scanning electron microscopy. Well dispersed Cat in PU-Cat1 and PU-Cat3 not only substantially improved the thermal stability due to the Cat antioxidant effect, but also allowed the crystallization of PCL and PLLA blocks in the final PU-Cat composites. Additionally, PU-Cat composite materials showed excellent stretchability for film production.-
dc.description.sponsorshipAuthors thank Spanish Ministry of Economy and Competitiveness, MINECO, (MAT2013-48059-C2-1-R and MAT2014-55778- REDT) and Regional Government of Madrid (S2013/MIT-2862) for the financial support. M.P.A. and L.P. acknowledge the Juan de la Cierva (FJCI-2014-20630) and Ramon y Cajal (RYC-2014-15595) contracts from the MINECO, respectively-
dc.publisherElsevier-
dc.rightsclosedAccess-
dc.subjectAntioxidant-
dc.subjectPolyurethane-
dc.subjectPCL-
dc.subjectCatechin-
dc.subjectFilm-
dc.subjectPLA-
dc.titlePolyurethane based on PLA and PCL incorporated with catechin: Structural, thermal and mechanical characterization-
dc.typeartículo-
dc.identifier.doi10.1016/j.eurpolymj.2017.02.028-
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.eurpolymj.2017.02.028-
dc.date.updated2017-04-11T12:04:42Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderComunidad de Madrid-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100012818es_ES
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