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dc.contributor.authorBlázquez-Blázquez, Enrique-
dc.contributor.authorCerrada, María L.-
dc.contributor.authorBenavente, Rosario-
dc.contributor.authorPérez, Ernesto-
dc.date.accessioned2020-09-09T08:20:02Z-
dc.date.available2020-09-09T08:20:02Z-
dc.date.issued2020-
dc.identifierdoi: 10.1021/acsomega.9b03058-
dc.identifierissn: 2470-1343-
dc.identifier.citationACS Omega (2020)-
dc.identifier.urihttp://hdl.handle.net/10261/219334-
dc.description.abstractAdditives are absolutely essential in the development of commercial polymeric materials. Accordingly, an exhaustive control of composition and evolution in these additives over time is necessary to validate their performance and safety during their shelf life and, consequently, their ultimate applications. Gas chromatography coupled with mass spectrometry, GC-MS, is described in the present work to identify and analyze the content of a wide variety of additives, commonly used in industrial polymeric materials. First, the identification under the present experimental protocol of additives with a relatively high molecular weight (Irganox 1330 and Irganox 1010) has been successfully attained. Second, the evolution under solar exposure over time has been analyzed by GC-MS for 11 additives and derived substances, which have been identified in a commercial polypropylene sample, estimating the corresponding depletion times. In addition, the resultant increase of carbonyl groups in the polymeric macrochains along the photo-oxidation has been also determined by infrared spectroscopy. Therefore, GC-MS is found to be a reliable tool for the analysis of the evolution of commonly used polymer additives under specific degradation conditions, which can be very useful in the formulation of improved future additivations. ©-
dc.description.sponsorshipThis work was funded by project MAT2016-79869-C2-1-P(AEI/FEDER, UE)-
dc.languageeng-
dc.publisherAmerican Chemical Society-
dc.relationMINECO/ICTI2013-2016/MAT2016-79869-C2-1-P-
dc.rightsclosedAccess-
dc.titleIdentification of Additives in Polypropylene and Their Degradation under Solar Exposure Studied by Gas Chromatography-Mass Spectrometry-
dc.typeartículo-
dc.relation.publisherversionhttp://dx.doi.org/10.1021/acsomega.9b03058-
dc.date.updated2020-09-09T08:20:02Z-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderEuropean Commission-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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