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dc.contributor.author | Martín-Cabezuelo, Rubén | es_ES |
dc.contributor.author | Vilariño, Guillermo | es_ES |
dc.contributor.author | Vallés Lluch, Ana | es_ES |
dc.date.accessioned | 2021-09-04T03:40:56Z | |
dc.date.available | 2021-09-04T03:40:56Z | |
dc.date.issued | 2021-02 | es_ES |
dc.identifier.issn | 0928-4931 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/171418 | |
dc.description.abstract | [EN] Poly(glycerol sebacate) (PGS) is a versatile biodegradable biomaterial on account of its adjustable mechanical properties as an elastomeric polyester. Nevertheless, it has shown dissimilar results when synthesised by different research groups under equivalent synthesis conditions. This lack of reproducibility proves how crucial it is to understand the effect of the parameters involved on its manufacturing and characterize the polymer networks obtained. Several studies have been conducted in recent years to understand the role of temperature, time, and the molar ratio of its monomers, while the influence of the atmosphere applied during its pre-polymerisation remained unknown. The results obtained here allow for a better understanding about the effect of inert (Ar and N-2) and oxidative (oxygen, dry air, and humid air) atmospheres on the extent of the reaction. The molecular pattern of intermediate pre-polymers and the gelation time and morphology of their corresponding cured PGS networks were studied as well. Overall, inert atmospheres promote a rather linear growth of macromers, with scarce branches, resulting in loose elastomers with long chains mainly crosslinked. Conversely, oxygen in the latter atmospheres promotes branching through secondary hydroxyl groups, leading to less-crosslinked 'defective' networks. In this way, the pre-polymerisation atmosphere could be used advantageously to adjust the reactivity of secondary hydroxyls, in order to modulate branching in the elastomeric PGS networks obtained to suit the properties required in a particular application. | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation.ispartof | Materials Science and Engineering C | es_ES |
dc.rights | Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) | es_ES |
dc.subject | Poly(glycerol sebacate) | es_ES |
dc.subject | Polymerisation atmosphere | es_ES |
dc.subject | Glycerol | es_ES |
dc.subject | Polycondensation | es_ES |
dc.subject | Pre-polymerisation | es_ES |
dc.subject | Curing | es_ES |
dc.subject.classification | MAQUINAS Y MOTORES TERMICOS | es_ES |
dc.title | Influence of pre-polymerisation atmosphere on the properties of pre- and poly(glycerol sebacate) | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1016/j.msec.2020.111429 | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Centro de Biomateriales e Ingeniería Tisular - Centre de Biomaterials i Enginyeria Tissular | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada | es_ES |
dc.description.bibliographicCitation | Martín-Cabezuelo, R.; Vilariño, G.; Vallés Lluch, A. (2021). Influence of pre-polymerisation atmosphere on the properties of pre- and poly(glycerol sebacate). Materials Science and Engineering C. 119:1-10. https://doi.org/10.1016/j.msec.2020.111429 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1016/j.msec.2020.111429 | es_ES |
dc.description.upvformatpinicio | 1 | es_ES |
dc.description.upvformatpfin | 10 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 119 | es_ES |
dc.identifier.pmid | 33321580 | es_ES |
dc.relation.pasarela | S\413774 | es_ES |
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