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Updated: Sep 23, 2025
12:21
Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites
Published on: February 6, 2016
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Proton conductive ionic liquid crystalline poly(ethyleneimine) polymers functionalized with oxadiazole
Alberto Concellón1, Silvia Hernández-Ainsa2,3, Joaquín Barberá1
1Dpto. Química Orgánica, Facultad de Ciencias-Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC 50009 Zaragoza Spain mmarcos@unizar.es.
RSC Advances
|May 13, 2022
Summary
Novel ionic liquid crystal polymers based on poly(ethyleneimine) demonstrate excellent proton conductivity. These materials, functionalized with oxadiazole carboxylic acids, show promise for advanced electrochemical devices.
Area of Science:
- Polymer Science
- Materials Chemistry
- Electrochemistry
Background:
- Proton-conductive polymers are crucial for electrochemical devices.
- Ionic liquid crystal polymers offer unique properties for ion transport.
Purpose of the Study:
- To synthesize and characterize novel ionic liquid crystal polymers with proton conductivity.
- To investigate the structure-property relationships of these new materials.
Main Methods:
- Synthesis of poly(ethyleneimine) derivatives functionalized with oxadiazole carboxylic acids.
- Characterization using FTIR, NMR, DSC, POM, XRD, and EIS.
- Evaluation of liquid crystalline and proton conductive properties.
Main Results:
- Successful synthesis of ionic liquid crystal polymers exhibiting proton transfer.
- Observation of enantiotropic smectic A mesophases, and nematic phases in some derivatives.
- Demonstration of good proton conductivity values.
Conclusions:
- Ionic liquid crystal polymers functionalized with oxadiazole carboxylic acids are effective proton conductors.
- These materials hold potential for applications in electrochemical devices.
- The study highlights a promising route for developing advanced proton-transporting polymeric materials.
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