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Reprogrammable Permanent Shape Memory Materials Based on Reversibly Crosslinked Epoxy/PCL Blends

dc.contributor.authorRazquin Martín, Iker ORCID
dc.contributor.authorIregui Gómez, Jesús Álvaro ORCID
dc.contributor.authorOrduña Velasco, Lidia
dc.contributor.authorMartín Alberdi, María Dolores
dc.contributor.authorGonzález Vives, Alba
dc.contributor.authorIrusta Maritxalar, María Lourdes
dc.date.accessioned2020-05-05T15:47:15Z
dc.date.available2020-05-05T15:47:15Z
dc.date.issued2020-03-29
dc.identifier.citationMolecules 25(7) : (2020) // Article ID 1568es_ES
dc.identifier.issn1420-3049
dc.identifier.urihttp://hdl.handle.net/10810/43018
dc.description.abstractEpoxy/Polycaprolactone (PCL) blends cured with a conventional diamine (4,4′-diaminodiphenylmethane, DDM) and with different amounts of a disulfide containing diamine (4, 4´-dithioaniline, DSS) were prepared through melting. The curing process was studied by FTIR and differential scanning calorimetry (DSC) and the mechanical behavior of the networks was studied by DMA. The shape memory properties and the recyclability of the materials were also analyzed. All blends showed a very high curing degree and temperature activated shape memory effect, related to the glass transition of the epoxy resin. The PCL plasticized the mixture, allowing tailoring of the epoxy glass transition. In addition, in the blends cured with DSS, as a consequence of the disulfide exchange reaction, the permanent shape could be erased and a new shape could be reprogrammed. Using this strategy, reprogrammable permanent shape memory materials were obtained.es_ES
dc.description.sponsorshipThis research was funded by Mineco, grant number MAT2017-84116-R, by the Basque Government, grant number IT1313-19. and by UPV/EHU, grant number GIU19/077.es_ES
dc.language.isoenges_ES
dc.publisherMDPIes_ES
dc.relationinfo:eu-repo/grantAgreement/MINECO/MAT2017-84116-Res_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/
dc.subjectepoxyes_ES
dc.subjectpolycaprolactonees_ES
dc.subjectshape memoryes_ES
dc.subjectreprogrammable permanent shapees_ES
dc.titleReprogrammable Permanent Shape Memory Materials Based on Reversibly Crosslinked Epoxy/PCL Blendses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.date.updated2020-04-15T13:19:34Z
dc.rights.holder© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).es_ES
dc.relation.publisherversionhttps://www.mdpi.com/1420-3049/25/7/1568es_ES
dc.identifier.doi10.3390/molecules25071568
dc.departamentoesCiencia y tecnología de polímeros
dc.departamentoeuPolimeroen zientzia eta teknologia


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© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Except where otherwise noted, this item's license is described as © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).