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Fluorescence method using labeled chromophores to study the curing kinetics of a polyurethane system

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Polímeros y Compositeses
dc.contributor.authorGonzález Benito, Francisco Javier
dc.contributor.authorMikes, Frantisek
dc.contributor.authorBaselga Llidó, Juan
dc.contributor.authorLemmetyinen, Helge
dc.date.accessioned2017-11-15T12:10:35Z
dc.date.available2017-11-15T12:10:35Z
dc.date.issued2002-12-13
dc.description.abstractA fluorescence method using labeled chromophores to study the curing kinetics of a polyurethane (PU) system was developed. A PU system based on fluorescent-labeled hexamethylene diisocyanate and a polyol (polyether/polyester) was cured at different temperatures (25, 40, 50, and 65°C). The fluorescent response from the 5-dimethylaminonaphtalene-1-(N-2-aminoethyl)sulfonamide and 4-methacryloylamino-4′-nitrostilbene moieties chemically bonded to the PU system was monitored as a function of the curing time. With the fluorescence data, it was possible to model the kinetics of the curing process. Methods based on the fluorescence intensity ratio and the first moment of the fluorescent band emission were applied to determine the degree of curing of the PU system. In addition, it was possible to calculate an apparent activation energy for the curing process, and a value of 17 kJ/mol was obtained.en
dc.format.extent9
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationGonzález-Benito, J., Mikeš, F., Baselga, J. & Lemetyinemm, H. (2002). Fluorescence method using labeled chromophores to study the curing kinetics of a polyurethane system. Journal of Applied Polymer Science, 86 (12), pp. 2992-3000.en
dc.identifier.doihttps://doi.org/10.1002/app.11281
dc.identifier.issn0021-8995
dc.identifier.publicationfirstpage2992
dc.identifier.publicationissue12
dc.identifier.publicationlastpage3000
dc.identifier.publicationtitleJournal of Applied Polymer Scienceen
dc.identifier.publicationvolume86
dc.identifier.urihttps://hdl.handle.net/10016/25839
dc.identifier.uxxiAR/0000006166
dc.language.isoeng
dc.publisherWiley Periodicals, Inc.en
dc.relation.publisherversionFluorescence Method Using Labeled Chromophores to Study the Curing Kinetics of a Polyurethane Systemen
dc.rights© Wiley, 2002
dc.rights.accessRightsopen access
dc.subject.ecienciaMaterialeses
dc.subject.ecienciaQuímicaes
dc.subject.otherFluorescenceen
dc.subject.otherKinetics (polym.)en
dc.subject.otherPolyurethanesen
dc.titleFluorescence method using labeled chromophores to study the curing kinetics of a polyurethane systemen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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