Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends

[EN] The relaxation behavior of two lignins (Alcell organosolv, OSL, and hydroxypropyl modified Kraft, ML) and biobased thermoplastic polyurethane (TPU) blends have been studied by Differential scanning calorimetry (DSC), Dynamic-mechanical analysis (DMA) and Dielectric relaxation spectroscopy (DRS)...

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Autores: Ortiz Serna, Mª Pilar, Carsí Rosique, Marta|||0000-0003-2315-3344, Sanchis Sánchez, María Jesús|||0000-0002-3528-3966, Culebras, M., Collins, M. N.
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/231511
Acceso en línea:https://riunet.upv.es/handle/10251/231511
Access Level:acceso abierto
Palabra clave:Bio-based blends
Lignin
Thermoplastic elastomeric polyurethane
Relaxation behavior
Thermal analysis
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spelling Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blendsOrtiz Serna, Mª PilarCarsí Rosique, Marta|||0000-0003-2315-3344Sanchis Sánchez, María Jesús|||0000-0002-3528-3966Culebras, M.Collins, M. N.Bio-based blendsLigninThermoplastic elastomeric polyurethaneRelaxation behaviorThermal analysis[EN] The relaxation behavior of two lignins (Alcell organosolv, OSL, and hydroxypropyl modified Kraft, ML) and biobased thermoplastic polyurethane (TPU) blends have been studied by Differential scanning calorimetry (DSC), Dynamic-mechanical analysis (DMA) and Dielectric relaxation spectroscopy (DRS). The effect of blending on the glass and local relaxation processes as a function of composition, frequency, and temperature has been assessed. The dielectric spectra were resolved into dipolar relaxations as well as conductive processes for differing blend compositions. Characteristic relaxation times, activation energies and dielectric relaxation strengths of lignin/xTPU blends were also investigated. It was found that blending suppresses the alpha-relaxation process of the blends compared to virgin TPU. On the other hand, while the position of the beta-relaxation was not influenced by blending, a reduction of the activation energies, E-a, of this process was observed in the lignin/xTPU blends. Finally, changes are observed in the conductivity behavior of both blends, with conductivity processes more favorable for the OSL/xTPU blends.M. Carsi and M.J. Sanchis thank the Spanish Ministerio de Economia y Competitividad (RTI2018-093711-B-I00) for partial financial help. M. Culebras and M. N Collins acknowledge received funding from the BioBased Industries Joint Undertaking under the European Union's Horizon 2020 research and innovation programme under grant agreement no. 720707.ElsevierInstituto de Tecnología EléctricaDepartamento de Termodinámica AplicadaDepartamento de QuímicaInstituto Universitario de Automática e Informática IndustrialEscuela Técnica Superior de Ingeniería IndustrialInstituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo TecnológicoEuropean CommissionAgencia Estatal de InvestigaciónRepositorio Institucional de la Universitat Politècnica de València Riunet20202020-09-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://riunet.upv.es/handle/10251/231511reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengAgencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 RTI2018-093711-B-I00 NUEVAS FRONTERAS EN CONVERSION TERMOELECTRICA Y ALMACENAMIENTO ENERGETICOEuropean Commission https://doi.org/10.13039/501100000780 H2020 720707 Lignin Based Carbon Fibres for Compositesopen accesshttp://purl.org/coar/access_right/c_abf2Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:riunet.upv.es:10251/2315112026-06-13T07:49:27Z
dc.title.none.fl_str_mv Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
title Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
spellingShingle Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
Ortiz Serna, Mª Pilar
Bio-based blends
Lignin
Thermoplastic elastomeric polyurethane
Relaxation behavior
Thermal analysis
title_short Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
title_full Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
title_fullStr Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
title_full_unstemmed Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
title_sort Exploring the role of lignin structure inmolecular dynamics of lignin/bioderived thermoplastic elastomer polyurethane blends
dc.creator.none.fl_str_mv Ortiz Serna, Mª Pilar
Carsí Rosique, Marta|||0000-0003-2315-3344
Sanchis Sánchez, María Jesús|||0000-0002-3528-3966
Culebras, M.
Collins, M. N.
author Ortiz Serna, Mª Pilar
author_facet Ortiz Serna, Mª Pilar
Carsí Rosique, Marta|||0000-0003-2315-3344
Sanchis Sánchez, María Jesús|||0000-0002-3528-3966
Culebras, M.
Collins, M. N.
author_role author
author2 Carsí Rosique, Marta|||0000-0003-2315-3344
Sanchis Sánchez, María Jesús|||0000-0002-3528-3966
Culebras, M.
Collins, M. N.
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Instituto de Tecnología Eléctrica
Departamento de Termodinámica Aplicada
Departamento de Química
Instituto Universitario de Automática e Informática Industrial
Escuela Técnica Superior de Ingeniería Industrial
Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico
European Commission
Agencia Estatal de Investigación
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Bio-based blends
Lignin
Thermoplastic elastomeric polyurethane
Relaxation behavior
Thermal analysis
topic Bio-based blends
Lignin
Thermoplastic elastomeric polyurethane
Relaxation behavior
Thermal analysis
description [EN] The relaxation behavior of two lignins (Alcell organosolv, OSL, and hydroxypropyl modified Kraft, ML) and biobased thermoplastic polyurethane (TPU) blends have been studied by Differential scanning calorimetry (DSC), Dynamic-mechanical analysis (DMA) and Dielectric relaxation spectroscopy (DRS). The effect of blending on the glass and local relaxation processes as a function of composition, frequency, and temperature has been assessed. The dielectric spectra were resolved into dipolar relaxations as well as conductive processes for differing blend compositions. Characteristic relaxation times, activation energies and dielectric relaxation strengths of lignin/xTPU blends were also investigated. It was found that blending suppresses the alpha-relaxation process of the blends compared to virgin TPU. On the other hand, while the position of the beta-relaxation was not influenced by blending, a reduction of the activation energies, E-a, of this process was observed in the lignin/xTPU blends. Finally, changes are observed in the conductivity behavior of both blends, with conductivity processes more favorable for the OSL/xTPU blends.
publishDate 2020
dc.date.none.fl_str_mv 2020
2020-09-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/231511
url https://riunet.upv.es/handle/10251/231511
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 RTI2018-093711-B-I00 NUEVAS FRONTERAS EN CONVERSION TERMOELECTRICA Y ALMACENAMIENTO ENERGETICO
European Commission https://doi.org/10.13039/501100000780 H2020 720707 Lignin Based Carbon Fibres for Composites
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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