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Polietileno de baja densidad funcionalizado con un poliéster poliol altamente ramificado maleinizado
dc.contributor.author | Murillo, Edwin A. | |
dc.contributor.author | Ararat, Carlos A. | |
dc.date.accessioned | 2021-11-17T14:33:35Z | |
dc.date.available | 2021-11-17T14:33:35Z | |
dc.date.issued | 2016-02-22 | |
dc.identifier.uri | http://repositorio.ufps.edu.co/handle/ufps/1043 | |
dc.description.abstract | En 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 baja | spa |
dc.description.abstract | In 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 |
dc.format.mimetype | application/pdf | spa |
dc.language.iso | spa | spa |
dc.publisher | Ingeniería Y Ciencia | spa |
dc.relation.ispartof | Ingeniería Y Ciencia | |
dc.rights | This work is licensed under a Creative Commons Attribution 4.0 International License. | eng |
dc.source | https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/3220 | spa |
dc.title | Polietileno de baja densidad funcionalizado con un poliéster poliol altamente ramificado maleinizado | spa |
dc.type | Artículo de revista | spa |
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dc.identifier.doi | https://doi.org/10.17230/ingciencia.12.23.7 | |
dc.publisher.place | Bogota , Colombia | spa |
dc.relation.citationedition | Vol.12 No.23.(2016) | spa |
dc.relation.citationendpage | 144 | spa |
dc.relation.citationissue | 23 (2016) | spa |
dc.relation.citationstartpage | 127 | spa |
dc.relation.citationvolume | 12 | spa |
dc.relation.cites | Ararat, 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.ispartofjournal | Ingeniería Y Ciencia | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.creativecommons | Atribución 4.0 Internacional (CC BY 4.0) | spa |
dc.subject.proposal | polietileno de baja densidad | spa |
dc.subject.proposal | poliéster altamente ramificado | spa |
dc.subject.proposal | funcionalización | spa |
dc.subject.proposal | análisis térmico | spa |
dc.subject.proposal | propiedades mecánicas | eng |
dc.subject.proposal | low density polyethylene | eng |
dc.subject.proposal | hyperbranched polyester | eng |
dc.subject.proposal | functionalization | eng |
dc.subject.proposal | thermal analysis | eng |
dc.subject.proposal | mechanical properties | eng |
dc.title.translated | Functionalized Low Density Polyethylene with Maleinized Hyperbranched Polyester Polyol | |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/article | spa |
dc.type.redcol | http://purl.org/redcol/resource_type/ART | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 | spa |
dc.type.version | info:eu-repo/semantics/publishedVersion | spa |