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Effect of Chitin Whiskers on the Molecular Dynamics of Carrageenan-Based Nanocomposites

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Effect of Chitin Whiskers on the Molecular Dynamics of Carrageenan-Based Nanocomposites

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dc.contributor.author Carsí Rosique, Marta es_ES
dc.contributor.author Sanchis Sánchez, María Jesús es_ES
dc.contributor.author Gómez, Clara M. es_ES
dc.contributor.author Rodriguez, Sol es_ES
dc.contributor.author García-Torres, Fernando es_ES
dc.date.accessioned 2021-01-30T04:31:32Z
dc.date.available 2021-01-30T04:31:32Z
dc.date.issued 2019-06 es_ES
dc.identifier.uri http://hdl.handle.net/10251/160299
dc.description.abstract [EN] Films of carrageenan (KC) and glycerol (g) with different contents of chitin nanowhiskers (CHW) were prepared by a solution casting process. The molecular dynamics of pure carrageenan (KC), carrageenan/glycerol (KCg) and KCg with different quantities of CHWs as a filler was studied using dielectric relaxation spectroscopy. The analysis of the CHW effect on the molecular mobility at the glass transition, T-g, indicates that non-attractive intermolecular interactions between KCg and CHW occur. The fragility index increased upon CHW incorporation, due to a reduction in the polymer chains mobility produced by the CHW confinement of the KCg network. The apparent activation energy associated with the relaxation dynamics of the chains at T-g slightly increased with the CHW content. The filler nature effect, CHW or montmorillonite (MMT), on the dynamic mobility of the composites was analyzed by comparing the dynamic behavior of both carrageenan-based composites (KCg/xCHW, KCg/xMMT). es_ES
dc.description.sponsorship This research was funded by the DGCYT grant number [MAT2015-63955-R] and the Vice-Rectorate for Research of the Pontificia Universidad Catolica del Peru and the the Peruvian Science and Technology Program (INNOVATE-PERU) And The APC was funded by MDPI. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Polymers es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Carrageenan es_ES
dc.subject Chitin es_ES
dc.subject Dielectric relaxation spectroscopy es_ES
dc.subject Electric modulus es_ES
dc.subject Fragility es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Effect of Chitin Whiskers on the Molecular Dynamics of Carrageenan-Based Nanocomposites es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/polym11061083 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//MAT2015-63955-R/ES/NANOESTRUCTURAS SEMICONDUCTORAS Y NANOCOMPOSITES PARA LA RECUPERACION ENERGETICA/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada es_ES
dc.description.bibliographicCitation Carsí Rosique, M.; Sanchis Sánchez, MJ.; Gómez, CM.; Rodriguez, S.; García-Torres, F. (2019). Effect of Chitin Whiskers on the Molecular Dynamics of Carrageenan-Based Nanocomposites. Polymers. 11(6):1-16. https://doi.org/10.3390/polym11061083 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/polym11061083 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 16 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 11 es_ES
dc.description.issue 6 es_ES
dc.identifier.eissn 2073-4360 es_ES
dc.identifier.pmid 31242647 es_ES
dc.identifier.pmcid PMC6630605 es_ES
dc.relation.pasarela S\389972 es_ES
dc.contributor.funder Ministerio de la producción, Perú es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Pontificia Universidad Católica del Perú es_ES
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