A luminescence study of microstructure development and melting/ crystallization processes in low density polyethylene (LDPE)

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dc.contributor.author Vigil Montaño, Maria Reyes
dc.contributor.author Bravo de Pedro, Julio
dc.contributor.author Dib Zambon Atvars, Teresa
dc.contributor.author Baselga Llidó, Juan
dc.date.accessioned 2017-11-13T11:48:51Z
dc.date.available 2017-11-13T11:48:51Z
dc.date.issued 1998-08-02
dc.identifier.bibliographicCitation Vigil, M. R., Bravo, J., Atvars, T. D. & Baselga, J. (1997). A luminescence study of microstructure development and melting/crystallization processes in low density polyethylene (LDPE). Journal of Non-Crystalline Solids, 235-237, pp. 554-558.
dc.identifier.issn 0022-3093
dc.identifier.uri http://hdl.handle.net/10016/25813
dc.description.abstract Pyrene, a fluorescent probe, was inserted in low density polyethylene and the emission spectrum was recorded during a cooling cycle from 150°C to −100°C and during isothermal crystallization at 105°C. Analysis of the temperature dependence of the fluorescence band at 365.5 nm reveals that, during dynamic crystallization, excited pyrene couples with vibrations which may correspond to crystalline defects. It was also found that pyrene emission increases about 10-fold during the final steps of the crystallization process, indicating that the interfacial cavity in which pyrene becomes lodged restricts its mobility.
dc.format.extent 5
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.rights © Elsevier, 1998
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other C290
dc.subject.other P290
dc.title A luminescence study of microstructure development and melting/ crystallization processes in low density polyethylene (LDPE)
dc.type article
dc.subject.eciencia Materiales
dc.subject.eciencia Química
dc.identifier.doi https://dx.doi.org/10.1016/S0022-3093(98)00662-0
dc.rights.accessRights openAccess
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 554
dc.identifier.publicationlastpage 558
dc.identifier.publicationtitle Journal of Non-Crystalline Solids
dc.identifier.publicationvolume 235-237
dc.identifier.uxxi AR/0000010937
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