Author, as appears in the article.: Jose Antonio Reina; Xavier Montané; Krzysztof Artur Bogdanowicz; Judit Prats-Reig; Gianmarco Colace; Marta Giamberini
Department: Enginyeria Química Química Analítica i Química Orgànica
URV's Author/s: REINA LOZANO, JOSÉ ANTONIO; Xavier Montané; Krzysztof Artur Bogdanowicz; Judit Prats-Reig; Gianmarco Colace; GIAMBERINI ., MARTA
Keywords: Columnar mesophase Biomimetic membranes ion transport
Abstract: An evaluation of ion transport in new biomimetic membranes, which are based on dendronised liquid crystalline polyamines is described. Two-step modification of starting polymer allowed preparation of self-supported membranes. Current-Voltage curves confirmed cation permselective nature of these new membranes and size-dependent preferential selectivity in following order: H+ > Na+ > Ag+ > K+. However, in case of chloride solutions, damage of the membranes was observed and was studied using SEM, TEM and 1H NMR techniques. Selectivity of self-supported systems was compared with hybrid systems based on similar liquid crystalline polyamines and showed lower selectivity values in case of new membranes. Taking into account improved mechanical stability, extended liquid crystalline behaviour and higher clearing temperature values, these materials seem to address all disadvantages of hybrid systems, therefore are complementary in terms of practical application requiring selective ion transport.
Research group: Meteorgrup Polimers
Thematic Areas: Chemistry Química Química
licence for use: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 0032-3861
Author identifier: 0000-0002-9245-4135; 0000-0002-1426-239X; 0000-0001-8526-626X; n/a; n/a; 0000-0001-8278-3552
Record's date: 2016-11-10
Last page: 242
Journal volume: 105
Papper version: info:eu-repo/semantics/acceptedVersion
Link to the original source: https://www.sciencedirect.com/science/article/abs/pii/S003238611630965X?via%3Dihub
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Article's DOI: 10.1016/j.polymer.2016.10.046
Entity: Universitat Rovira i Virgili
Journal publication year: 2016
First page: 234
Publication Type: Article Artículo Article
Repositori URV