Dendrimer-based hydrogen-bonded liquid crystalline complexes: Synthesis and characterization |
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| Authors: | Khadijeh Didehban Hassan Namazi Ali Akbar Entezami |
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| Institution: | a Laboratory of Carbohydrates and Biopolymers, Faculty of Chemistry, University of Tabriz, Tabriz 51664, Iran
b Laboratory of polymer, Faculty of Chemistry, University of Tabriz, Tabriz, Iran |
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| Abstract: | Three generations of dendritic polyester macromolecules based on 5-hydroxyisophthalic acid were synthesized by the divergent growth approach. The characterization of dendritic fragments was performed using a combination of 1H NMR, 13C NMR spectroscopy and elemental analysis. The dendritic hydrogen-bonded supramolecular liquid crystalline complexes were prepared from different generation of dendritic acids and stilbazole derivative containing pyridyl units. The polarizing optical microscopy (POM) and differential scanning calorimetry (DSC) were used for investigation of the liquid crystalline properties of the hydrogen-bonded dendritic supramolecular complexes. |
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| Keywords: | Dendrimer Hydrogen-bonded Liquid crystal DSC POM |
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