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Development of Injection-Molded Polylactide Pieces with High Toughness by the Addition of Lactic Acid Oligomer and Characterization of Their Shape Memory Behavior

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Development of Injection-Molded Polylactide Pieces with High Toughness by the Addition of Lactic Acid Oligomer and Characterization of Their Shape Memory Behavior

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dc.contributor.author Lascano-Aimacaña, Diego Sebastián es_ES
dc.contributor.author Moraga, Giovanni es_ES
dc.contributor.author Ivorra-Martínez, Juan es_ES
dc.contributor.author Rojas-Lema, Sandra Paola es_ES
dc.contributor.author Torres-Giner, Sergio es_ES
dc.contributor.author Balart, Rafael es_ES
dc.contributor.author Boronat, Teodomiro es_ES
dc.contributor.author Quiles-Carrillo, Luis es_ES
dc.date.accessioned 2021-01-30T04:31:58Z
dc.date.available 2021-01-30T04:31:58Z
dc.date.issued 2019-12 es_ES
dc.identifier.uri http://hdl.handle.net/10251/160317
dc.description.abstract [EN] This work reports the effect of the addition of an oligomer of lactic acid (OLA), in the 5-20 wt% range, on the processing and properties of polylactide (PLA) pieces prepared by injection molding. The obtained results suggested that the here-tested OLA mainly performs as an impact modifier for PLA, showing a percentage increase in the impact strength of approximately 171% for the injection-molded pieces containing 15 wt% OLA. A slight plasticization was observed by the decrease of the glass transition temperature (T-g) of PLA of up to 12.5 degrees C. The OLA addition also promoted a reduction of the cold crystallization temperature (T-cc) of more than 10 degrees C due to an increased motion of the biopolymer chains and the potential nucleating effect of the short oligomer chains. Moreover, the shape memory behavior of the PLA samples was characterized by flexural tests with different deformation angles, that is, 15 degrees, 30 degrees, 60 degrees, and 90 degrees. The obtained results confirmed the extraordinary effect of OLA on the shape memory recovery (R-r) of PLA, which increased linearly as the OLA loading increased. In particular, the OLA-containing PLA samples were able to successfully recover over 95% of their original shape for low deformation angles, while they still reached nearly 70% of recovery for the highest angles. Therefore, the present OLA can be successfully used as a novel additive to improve the toughness and shape memory behavior of compostable packaging articles based on PLA in the new frame of the Circular Economy. es_ES
dc.description.sponsorship This research work was funded by the Spanish Ministry of Science, Innovation, and Universities (MICIU) project numbers RTI2018-097249-B-C21 and MAT2017-84909-C2-2-R. L.Q.-C. wants to thank Generalitat Valenciana (GVA) for his FPI grant (ACIF/2016/182) and the Spanish Ministry of Education, Culture, and Sports (MECD) for his FPU grant (FPU15/03812). D.L. thanks Universitat Politècnica de València (UPV) for the grant received through the PAID-01-18 program. S.T.-G. is recipient of a Juan de la Cierva contract (IJCI-2016-29675) from MICIU. S.R.-L. is recipient of a Santiago Grisolía contract (GRISOLIAP/2019/132) from GVA. J.I.-M. wants to thank UPV for an FPI grant PAID-01-19 (SP2019001). Microscopy services of UPV are acknowledged for their help in collecting and analyzing the microscopy images. Authors also thank Condensia Química S.A. for kindly supplying Glyoplast OLA 2. 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 PLA es_ES
dc.subject OLA es_ES
dc.subject Impact modifier es_ES
dc.subject Shape memory es_ES
dc.subject Packaging applications es_ES
dc.subject.classification CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA es_ES
dc.subject.classification INGENIERIA DE LOS PROCESOS DE FABRICACION es_ES
dc.title Development of Injection-Molded Polylactide Pieces with High Toughness by the Addition of Lactic Acid Oligomer and Characterization of Their Shape Memory Behavior es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/polym11122099 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//IJCI-2016-29675/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-01-18/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-097249-B-C21/ES/ENVASE ACTIVO MULTICAPA TERMOCONFORMABLE DE ALTA BARRERA BASADO EN BIOECONOMIA CIRCULAR/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//SP2019001/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2017-84909-C2-2-R/ES/PROCESADO Y OPTIMIZACION DE MATERIALES AVANZADOS DERIVADOS DE ESTRUCTURAS PROTEICAS Y COMPONENTES LIGNOCELULOSICOS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//ACIF%2F2016%2F182/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MECD//FPU15%2F03812/ES/FPU15%2F03812/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//GRISOLIAP%2F2019%2F132/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Tecnología de Materiales - Institut de Tecnologia de Materials es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Ingeniería de Alimentos para el Desarrollo - Institut Universitari d'Enginyeria d'Aliments per al Desenvolupament es_ES
dc.description.bibliographicCitation Lascano-Aimacaña, DS.; Moraga, G.; Ivorra-Martínez, J.; Rojas-Lema, SP.; Torres-Giner, S.; Balart, R.; Boronat, T.... (2019). Development of Injection-Molded Polylactide Pieces with High Toughness by the Addition of Lactic Acid Oligomer and Characterization of Their Shape Memory Behavior. Polymers. 11(12):1-19. https://doi.org/10.3390/polym11122099 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/polym11122099 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 19 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 11 es_ES
dc.description.issue 12 es_ES
dc.identifier.eissn 2073-4360 es_ES
dc.identifier.pmid 31847359 es_ES
dc.identifier.pmcid PMC6960981 es_ES
dc.relation.pasarela S\398970 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder Ministerio de Educación, Cultura y Deporte es_ES
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