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Molecular Mobility in Oriented and Unoriented Membranes Based on Poly[2-(Aziridin-1-yl)ethanol]

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Molecular Mobility in Oriented and Unoriented Membranes Based on Poly[2-(Aziridin-1-yl)ethanol]

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dc.contributor.author	Teruel-Juanes, Roberto
dc.contributor.author	Bogdanowicz, Krzysztof Artur
dc.contributor.author	Badia Valiente, José David
dc.contributor.author	Sáenz de Juano-Arbona, V.
dc.contributor.author	Graf, Robert
dc.contributor.author	Reina, José A.
dc.contributor.author	Giamberini, Marta
dc.contributor.author	Ribes Greus, A.
dc.date.accessioned	2022-05-13T14:53:09Z
dc.date.available	2022-05-13T14:53:09Z
dc.date.issued	2021
dc.identifier.citation	Teruel-Juanes, Roberto Bogdanowicz, Krzysztof Artur Badia Valiente, José David Sáenz de Juano-Arbona, V. Graf, Robert Reina, José A. Giamberini, Marta Ribes Greus, A. 2021 Molecular Mobility in Oriented and Unoriented Membranes Based on Poly[2-(Aziridin-1-yl)ethanol] Polymers 13 7 1060
dc.identifier.uri	https://hdl.handle.net/10550/82770
dc.description.abstract	Unoriented and oriented membranes based on dendronized polymers and copolymers obtained by chemical modification of poly[2-(aziridin-1-yl) ethanol] (PAZE) with the dendron 3,4,5-tris[4-(n-dodecan-1-yloxy)benzyloxy]benzoate were considered. DSC, XRD, CP-MAS NMR and DETA, contribute to characterize the tendency to crystallize, the molecular mobility of the benzyloxy substituent, the dendritic liquid crystalline group and the clearing transition. The orientation of the mesogenic chain somewhat hindered this molecular motion, especially in the full substituted PAZE. The fragility, free volume and thermal expansion coefficients of these membranes near the glass transition are related to the orientation and the addition of the dendritic groups. PAZE-based membranes combine both order and mobility on a supramolecular and macroscopic level, controlled by the dendritic group and the thermal orientation, and open the possibility of preparing membranes with proper channel mobility that promotes selective ionic transport.
dc.language.iso	eng
dc.relation.ispartof	Polymers, 2021, vol. 13, num. 7, p. 1060
dc.subject	Materials
dc.subject	Química
dc.title	Molecular Mobility in Oriented and Unoriented Membranes Based on Poly[2-(Aziridin-1-yl)ethanol]
dc.type	journal article	es_ES
dc.date.updated	2022-05-13T14:53:10Z
dc.identifier.doi	10.3390/polym13071060
dc.identifier.idgrec	153044
dc.rights.accessRights	open access	es_ES