{"id":{"repo_id":"upc-spain","oai_identifier":"oai:repositorio.upct.es:10317/12234"},"canonical_url":"https://search.dev.ndltd.org/etd/upc-spain/oai:repositorio.upct.es:10317/12234","repository":{"repo_id":"upc-spain","name":"Universidad Politécnica de Cartagena","base_url":"http://repositorio.upct.es/oai/request"},"display":{"title":"Relación microestructura-propiedades y comportamiento tribológico de nuevos nanocomposites","abstract":"[SPA] El polimetilmetacrilato (PMMA) es un polímero termoplástico globalmente conocido, con destacadas propiedades de transparencia, biocompatibilidad, resistencia al ambiente, rigidez y fácil procesabilidad, pero con baja resistencia a la fricción y al desgaste. En el presente trabajo se han estudiado las propiedades tribológicas del PMMA, modificándolo con diferentes concentraciones de nanofases basadas en óxido de grafeno, y óxido de grafeno modificado con el líquido iónico tetrafluoroborato de 1-octil-3-metilimidazolio ([Omim]BF4). Los nuevos nanocomposites fueron elaborados mediante los procesos industriales de extrusión y moldeo por inyección, para ser estudiados tribológicamente bajo dos tipos de contacto, lineal oscilatorio y multirrayado, realizando también una caracterización estructural completa de los nanocomposites y nanofases, aplicando técnicas como XRD, XPS, espectroscopía Raman, TEM, TGA, DSC o DMA. [ENG] Polymethylmethacrylate (PMMA) is a globally widespread thermoplastic in our ordinary life with outstanding properties for plastics like its transparency, biocompatibility, weatherability, rigidity, and processability. In this work, graphene-oxide-based nanoadditives are incorporated into a PMMA matrix to enhance its tribological properties. As a result, different concentrations of graphene oxide, some of them functionalized with 1- octyl-3-methylimidazolium tetrafluoroborate ([Omim]BF4) room temperature ionic liquid, have been added and melt-blended by extrusion and molding injection industrial processes. In pursuance of a complete study of the structural and tribological behavior of the new nanocomposite materials, linear oscillatory sliding contact and multi-scratch tribological tests, together with structural and thermal characterization techniques are applied (XRD, XPS, Raman spectroscopy, TEM, TGA, DSC, DMA) correlating the results to their nano-phase concentrations.","abstract_html":"[SPA] El polimetilmetacrilato (PMMA) es un polímero termoplástico globalmente conocido, con destacadas propiedades de transparencia, biocompatibilidad, resistencia al ambiente, rigidez y fácil procesabilidad, pero con baja resistencia a la fricción y al desgaste. En el presente trabajo se han estudiado las propiedades tribológicas del PMMA, modificándolo con diferentes concentraciones de nanofases basadas en óxido de grafeno, y óxido de grafeno modificado con el líquido iónico tetrafluoroborato de 1-octil-3-metilimidazolio ([Omim]BF4). Los nuevos nanocomposites fueron elaborados mediante los procesos industriales de extrusión y moldeo por inyección, para ser estudiados tribológicamente bajo dos tipos de contacto, lineal oscilatorio y multirrayado, realizando también una caracterización estructural completa de los nanocomposites y nanofases, aplicando técnicas como XRD, XPS, espectroscopía Raman, TEM, TGA, DSC o DMA. [ENG] Polymethylmethacrylate (PMMA) is a globally widespread thermoplastic in our ordinary life with outstanding properties for plastics like its transparency, biocompatibility, weatherability, rigidity, and processability. In this work, graphene-oxide-based nanoadditives are incorporated into a PMMA matrix to enhance its tribological properties. As a result, different concentrations of graphene oxide, some of them functionalized with 1- octyl-3-methylimidazolium tetrafluoroborate ([Omim]BF4) room temperature ionic liquid, have been added and melt-blended by extrusion and molding injection industrial processes. In pursuance of a complete study of the structural and tribological behavior of the new nanocomposite materials, linear oscillatory sliding contact and multi-scratch tribological tests, together with structural and thermal characterization techniques are applied (XRD, XPS, Raman spectroscopy, TEM, TGA, DSC, DMA) correlating the results to their nano-phase concentrations.","abstract_has_math":false,"creators":["Mínguez Enkovaara, Luis Francisco"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023","date_published":"2023","updated_at":"2026-07-24T05:39:24Z","subjects":["Materiales compuestos","Ensayo de materiales","Polímeros","Tribología"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10317/12234"],"render_values":[{"text":"hdl:10317/12234","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.31428/10317/12234","outbound_label":"DOI","outbound_source":"dc:identifier.doi"},"metadata_groups":[{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2023"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/doctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Materiales compuestos","Ensayo de materiales","Polímeros","Tribología"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10317/12234"]},{"key":"dc:identifier.doi","label":"DOI","values":["10.31428/10317/12234"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.other","label":"Dc Description Other","values":["[SPA] El polimetilmetacrilato (PMMA) es un polímero termoplástico globalmente conocido, con destacadas propiedades de transparencia, biocompatibilidad, resistencia al ambiente, rigidez y fácil procesabilidad, pero con baja resistencia a la fricción y al desgaste. En el presente trabajo se han estudiado las propiedades tribológicas del PMMA, modificándolo con diferentes concentraciones de nanofases basadas en óxido de grafeno, y óxido de grafeno modificado con el líquido iónico tetrafluoroborato de 1-octil-3-metilimidazolio ([Omim]BF4). Los nuevos nanocomposites fueron elaborados mediante los procesos industriales de extrusión y moldeo por inyección, para ser estudiados tribológicamente bajo dos tipos de contacto, lineal oscilatorio y multirrayado, realizando también una caracterización estructural completa de los nanocomposites y nanofases, aplicando técnicas como XRD, XPS, espectroscopía Raman, TEM, TGA, DSC o DMA. [ENG] Polymethylmethacrylate (PMMA) is a globally widespread thermoplastic in our ordinary life with outstanding properties for plastics like its transparency, biocompatibility, weatherability, rigidity, and processability. In this work, graphene-oxide-based nanoadditives are incorporated into a PMMA matrix to enhance its tribological properties. As a result, different concentrations of graphene oxide, some of them functionalized with 1- octyl-3-methylimidazolium tetrafluoroborate ([Omim]BF4) room temperature ionic liquid, have been added and melt-blended by extrusion and molding injection industrial processes. In pursuance of a complete study of the structural and tribological behavior of the new nanocomposite materials, linear oscillatory sliding contact and multi-scratch tribological tests, together with structural and thermal characterization techniques are applied (XRD, XPS, Raman spectroscopy, TEM, TGA, DSC, DMA) correlating the results to their nano-phase concentrations."]},{"key":"dc:title","label":"Title","values":["Relación microestructura-propiedades y comportamiento tribológico de nuevos nanocomposites"]}]}],"canonical_facts":{"dc:date.issued":["2023"],"dc:description.other":["[SPA] El polimetilmetacrilato (PMMA) es un polímero termoplástico globalmente conocido, con destacadas propiedades de transparencia, biocompatibilidad, resistencia al ambiente, rigidez y fácil procesabilidad, pero con baja resistencia a la fricción y al desgaste. En el presente trabajo se han estudiado las propiedades tribológicas del PMMA, modificándolo con diferentes concentraciones de nanofases basadas en óxido de grafeno, y óxido de grafeno modificado con el líquido iónico tetrafluoroborato de 1-octil-3-metilimidazolio ([Omim]BF4). Los nuevos nanocomposites fueron elaborados mediante los procesos industriales de extrusión y moldeo por inyección, para ser estudiados tribológicamente bajo dos tipos de contacto, lineal oscilatorio y multirrayado, realizando también una caracterización estructural completa de los nanocomposites y nanofases, aplicando técnicas como XRD, XPS, espectroscopía Raman, TEM, TGA, DSC o DMA. [ENG] Polymethylmethacrylate (PMMA) is a globally widespread thermoplastic in our ordinary life with outstanding properties for plastics like its transparency, biocompatibility, weatherability, rigidity, and processability. In this work, graphene-oxide-based nanoadditives are incorporated into a PMMA matrix to enhance its tribological properties. As a result, different concentrations of graphene oxide, some of them functionalized with 1- octyl-3-methylimidazolium tetrafluoroborate ([Omim]BF4) room temperature ionic liquid, have been added and melt-blended by extrusion and molding injection industrial processes. In pursuance of a complete study of the structural and tribological behavior of the new nanocomposite materials, linear oscillatory sliding contact and multi-scratch tribological tests, together with structural and thermal characterization techniques are applied (XRD, XPS, Raman spectroscopy, TEM, TGA, DSC, DMA) correlating the results to their nano-phase concentrations."],"dc:identifier":["hdl:10317/12234"],"dc:identifier.doi":["10.31428/10317/12234"],"dc:subject":["Materiales compuestos","Ensayo de materiales","Polímeros","Tribología"],"dc:title":["Relación microestructura-propiedades y comportamiento tribológico de nuevos nanocomposites"],"dc:type":["info:eu-repo/semantics/doctoralThesis"]},"updated_at":"2026-07-24T05:39:24Z"}