dc.contributor.author | Safari, Maryam | |
dc.contributor.author | Otaegi Tena, Itziar | |
dc.contributor.author | Aramburu Ocáriz, Nora | |
dc.contributor.author | Wang, Yu | |
dc.contributor.author | Liu, Guoming | |
dc.contributor.author | Dong, Xia | |
dc.contributor.author | Wang, Dujin | |
dc.contributor.author | Guerrica Echevarría Estanga, Gonzalo María | |
dc.contributor.author | Müller Sánchez, Alejandro Jesús | |
dc.date.accessioned | 2021-03-29T16:49:46Z | |
dc.date.available | 2021-03-29T16:49:46Z | |
dc.date.issued | 2021-02-22 | |
dc.identifier.citation | Polymer 219 : (2021) // Article ID 123570 | es_ES |
dc.identifier.issn | 0032-3861 | |
dc.identifier.uri | http://hdl.handle.net/10810/50818 | |
dc.description | Sustituido preprint por postprint 03-05-2023 | es_ES |
dc.description.abstract | In this work, we studied the composition-dependent miscibility of polyamide 6 and biobased polyamide 4,10 (PA6/PA410) blends, as triggered by crystallization driven phase segregation. The blends were prepared by extrusion melt blending in a wide composition range and studied by Differential Scanning Calorimetry (DSC), X-ray diffraction (both in-situ and ex-situ SAXS/WAXS), and Polarized Light Optical Microscopy (PLOM) during non-isothermal crystallization. The blends were found to be miscible in the amorphous state, as demonstrated by a single Tg that follows the Fox equation as a function of composition. The blends were also considered to be miscible in the melt, as no evidence of phase segregation was found by SAXS or phase contrast microscopy in the melt. The miscibility of the blends in the crystalline state is a strong function of composition. When only 10 or 20% PA6 is present in the blends, co-crystallization was evidenced by DSC and WAXS and the blends exhibited a single PA410 rich crystalline phase. On the other hand, as 30% or more PA6 is added to PA410, crystallization driven phase segregation occurs and progressively increased with PA6 content in the blends. Hence double crystalline blends are formed with both PA6 rich and PA410 rich crystalline phases. Clear evidence of either one or two crystalline phases was demonstrated by temperature-dependent measurements employing DSC, PLOM, WAXS and SAXS. Both the single and double crystalline PA6/PA410 blends exhibited good mechanical properties in view of the excellent compatibility displayed by the blends. The mechanical properties are in line with those exhibited by miscible blends following a simple rule of mixtures. | es_ES |
dc.description.sponsorship | We would like to thank the financial support provided by the BIODEST project; this project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 778092. We also thank finantial support from the Basque Government through project IT309-19. G.L., D.W. and A. J. M thank the support from the National Key R&D Program of China (2017YFE0117800) and the National Natural Science Foundation of China (51820105005). I. Otaegi acknowledges the grant awarded by the Basque Government. G.L. is grateful to the Youth Innovation Promotion Association of the Chinese Academy of Sciences (Y201908). The POLYMAT/UPV/EHU team acknowledge funding from ALBA synchrotron facility through granted proposal number: 2018093081 (March 2019). | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/778092 | es_ES |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.subject | biopolymers | es_ES |
dc.subject | polyamide blends | es_ES |
dc.subject | mechanical properties | es_ES |
dc.subject | nylon 6 | es_ES |
dc.subject | nylon 4,10 | es_ES |
dc.title | Composition Dependent Miscibility in the Crystalline State of Polyamide 6 /Polyamide 4,10 Blends: from Single to Double Crystalline Blends | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.holder | © 2021 Elsevier Ltd.under CC BY-NC-ND license (http://creativecommons.org/licenses/by- nc-nd/4.0/) | es_ES |
dc.relation.publisherversion | https://www.sciencedirect.com/science/article/pii/S0032386121001932?via%3Dihub | es_ES |
dc.identifier.doi | 10.1016/j.polymer.2021.123570 | |
dc.contributor.funder | European Commission | |
dc.contributor.funder | ALBA synchrotron | |
dc.departamentoes | Ciencia y tecnología de polímeros | es_ES |
dc.departamentoeu | Polimeroen zientzia eta teknologia | es_ES |