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

Roderic Mòbil

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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.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.rights.uri info:eu-repo/semantics/openAccess
dc.source 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.subject Materials
dc.subject Química
dc.title Molecular Mobility in Oriented and Unoriented Membranes Based on Poly[2-(Aziridin-1-yl)ethanol]
dc.type info:eu-repo/semantics/article
dc.date.updated 2022-05-13T14:53:10Z
dc.identifier.doi https://doi.org/10.3390/polym13071060
dc.identifier.idgrec 153044


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Roderic Mòbil