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dc.contributor.authorMurillo, Edwin A.
dc.contributor.authorArarat, Carlos A.
dc.date.accessioned2021-11-17T14:33:35Z
dc.date.available2021-11-17T14:33:35Z
dc.date.issued2016-02-22
dc.identifier.urihttp://repositorio.ufps.edu.co/handle/ufps/1043
dc.description.abstractEn este trabajo, polietileno de baja densidad (PEBD) fue modificado en estado fundido con un poliester poliol altamente ramificado maleinizado (HBPAM), usando varias proporciones de peróxido de dicumilo (0.5, 1.0, 1.5 y 2.0 %). El análisis infrarrojo mostró las señales de grupos OH, C=O, -COOR y -C=C- del HBPAM en el espectro de las muestras funcionalizadas (PEBD-g-HBPAM). El grado de injerto (GI) fue entre 9.14 y 9.82 %. El índice de fluidez de las muestras PEBD-g-HBPAM fue más bajo que el del PEBD, y no exhibió una dependencia con el contenido de peróxido de dicumilo y GI. Excepto para la muestra obtenida con un 2.0 % de peróxido de dicumilo, todas las temperaturas de fusión de las muestras de PEBD-g-HBPAM fueron similares a la del PEBD. La entalpia de fusión de las muestras de PEBD-g-HBPAM disminuyó con la concentración de peróxido de dicumilo y GI. El módulo ténsil de estas muestras fue más alto que el del PEBD, pero la elongación a la ruptura fue más bajaspa
dc.description.abstractIn this work, low density polyethylene (LDPE) was modified in the melt state with a maleinized hyperbranched polyester polyol (HBPAM), using several proportions of dicumyl peroxide (0.5, 1.0, 1.5 and 2.0 %). Infrared analysis showed the signals of OH, C=O, -COOR and -C=C- groups of the HBPAM in the spectra of the functionalized samples (LDPE-g-HBPAM). Grafting degree (GD) was between 9.14 and 9.82 %. Melt flow index of the samples LDPE-g-HBPAM was lower than that of the LDPE, and it did not exhibit dependency on the dicumyl peroxide content and GD. Except for the sample obtained with a 2.0 % of dicumyl peroxide, all melting temperatures of the samples of LDPE-g-HBPAM were similar to that of the LDPE. The melting enthalpy of the samples LDPE-g-HBPAM decreased with the concentration of dicumyl peroxide and GD. The tensile modulus of these samples was higher than that of LDPE, but the elongation at break was lower.eng
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dc.language.isospaspa
dc.publisherIngeniería Y Cienciaspa
dc.relation.ispartofIngeniería Y Ciencia
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 International License.eng
dc.sourcehttps://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/3220spa
dc.titlePolietileno de baja densidad funcionalizado con un poliéster poliol altamente ramificado maleinizadospa
dc.typeArtículo de revistaspa
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dc.identifier.doihttps://doi.org/10.17230/ingciencia.12.23.7
dc.publisher.placeBogota , Colombiaspa
dc.relation.citationeditionVol.12 No.23.(2016)spa
dc.relation.citationendpage144spa
dc.relation.citationissue23 (2016)spa
dc.relation.citationstartpage127spa
dc.relation.citationvolume12spa
dc.relation.citesArarat, C., & Murillo, E. (2016). Functionalized Low Density Polyethylene with Maleinized Hyperbranched Polyester Polyol. Ingeniería Y Ciencia, 12(23), 127-144. https://doi.org/10.17230/ingciencia.12.23.7
dc.relation.ispartofjournalIngeniería Y Cienciaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.creativecommonsAtribución 4.0 Internacional (CC BY 4.0)spa
dc.subject.proposalpolietileno de baja densidadspa
dc.subject.proposalpoliéster altamente ramificadospa
dc.subject.proposalfuncionalizaciónspa
dc.subject.proposalanálisis térmicospa
dc.subject.proposalpropiedades mecánicaseng
dc.subject.proposallow density polyethyleneeng
dc.subject.proposalhyperbranched polyestereng
dc.subject.proposalfunctionalizationeng
dc.subject.proposalthermal analysiseng
dc.subject.proposalmechanical propertieseng
dc.title.translatedFunctionalized Low Density Polyethylene with Maleinized Hyperbranched Polyester Polyol
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