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http://hdl.handle.net/10261/157422
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dc.contributor.author | González-Jiménez, Antonio | - |
dc.contributor.author | Alonso Malmierca, Marta | - |
dc.contributor.author | Bernal-Ortega, Pilar | - |
dc.contributor.author | Posadas, Pilar | - |
dc.contributor.author | Pérez-Aparicio, Roberto | - |
dc.contributor.author | Marcos-Fernández, Ángel | - |
dc.contributor.author | Mather, Patrick T. | - |
dc.contributor.author | Valentín, Juan L. | - |
dc.date.accessioned | 2017-11-17T12:56:16Z | - |
dc.date.available | 2017-11-17T12:56:16Z | - |
dc.date.issued | 2017 | - |
dc.identifier | doi: 10.1039/c7sm00104e | - |
dc.identifier | issn: 1744-683X | - |
dc.identifier | e-issn: 1744-6848 | - |
dc.identifier.citation | Soft Matter 13: 2983-2994 (2017) | - |
dc.identifier.uri | http://hdl.handle.net/10261/157422 | - |
dc.description.abstract | Shape-memory elastomers based on a commercial rubber cross-linked by both ionic and covalent bonds have been developed. The elastomeric matrix was a carboxylated nitrile rubber (XNBR) vulcanized with magnesium oxide (MgO) providing ionic interactions that form hierarchical structures. The so-named ionic transition is used as the unique thermal transition responsible for the shape-memory effect (SME) in these elastomers. These ionic interactions fix the temporary shape due to their behavior as dynamic cross-links with temperature changes. Covalent cross-links were incorporated with the addition of different proportions of dicumyl peroxide (DCP) to the ionic elastomer to establish and recover the permanent shape. In this article, the SME was modulated by modifying the degree of covalent cross-linking, while keeping the ionic contribution constant. In addition, different programming parameters, such as deformation temperature, heating/cooling rate, loading/unloading rate and percentage of tensile strain, were evaluated for their effects on shape-memory behavior. | - |
dc.description.sponsorship | The authors thank CICYT (MAT2011-23476 and MAT2014-52644-R projects) and Consejo Superior de Investigaciones Cientifı´cas, CSIC (201660E088 project) for the financial support of this work. MAM would also like to express her gratitude to CSIC for her fellowships Jae-Pre-088. AGJ would also like to express his gratitude to CSIC and MECD (Spain) for his Jae-Pre-CP and FPU fellowships, respectively. JLV thanks Ministerio de Ciencia e Innovacio´n (Spain) for his Ramo´n y Cajal contract. PTM thanks Syracuse University and the Syracuse Biomaterials Institute for facilities provided for MAM’s extended visit, as well as support from the National Science Foundation, NSF CMMI-1334658. | - |
dc.publisher | Royal Society of Chemistry (UK) | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2014-52644-R | - |
dc.rights | closedAccess | - |
dc.title | The shape-memory effect in ionic elastomers: fixation through ionic interactions | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1039/c7sm00104e | - |
dc.date.updated | 2017-11-17T12:56:21Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003339 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
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