Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions

Shiori Tomitaka; Masanori Nata; Seiji Ujiie

doi:doi:10.11648/j.am.20160506.13

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Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions

Shiori Tomitaka, Masanori Nata, Seiji Ujiie

Published in Advances in Materials (Volume 5, Issue 6)

Received: 7 December 2016 Accepted: 29 December 2016 Published: 24 January 2017

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Abstract

Novel ionic liquid crystals consisting of polyammonium and carboxylate ions were synthesized by ion complexation of polyethyleneimine and carboxylic acids (α,ω-dicarboxylic acids and hydroxyalkanoic acid). Their thermal properties and orientational behavior were examined by polarizing microscopic observation, differential scanning calorimetry, and variable temperature X-ray diffraction measurements. The ionic liquid crystals exhibited thermotropic liquid crystalline phases. The ionic liquid crystals (BP/ndA) bearing counter dicarboxylate ions formed a cubic phase upon heating and cooling. On the other hand, the ionic liquid crystal bearing the counter hydroxyalkanoate ion exhibited enantiotropic smectic A and smectic B phases with focal conic fan textures. These ionic liquid crystalline phases were formed by ionic and hydrophobic interactions because they did not have an aromatic mesogenic group.

Published in	Advances in Materials (Volume 5, Issue 6)
DOI	10.11648/j.am.20160506.13
Page(s)	73-76
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Ionic Liquid Crystal, Ionic Interaction, Polyammonium, Thermal Property, Orientational Behavior, Cubic, Smectic A, Smectic B

References

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APA Style

Shiori Tomitaka, Masanori Nata, Seiji Ujiie. (2017). Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions. Advances in Materials, 5(6), 73-76. https://doi.org/10.11648/j.am.20160506.13

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ACS Style

Shiori Tomitaka; Masanori Nata; Seiji Ujiie. Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions. Adv. Mater. 2017, 5(6), 73-76. doi: 10.11648/j.am.20160506.13

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AMA Style

Shiori Tomitaka, Masanori Nata, Seiji Ujiie. Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions. Adv Mater. 2017;5(6):73-76. doi: 10.11648/j.am.20160506.13

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@article{10.11648/j.am.20160506.13,
  author = {Shiori Tomitaka and Masanori Nata and Seiji Ujiie},
  title = {Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions},
  journal = {Advances in Materials},
  volume = {5},
  number = {6},
  pages = {73-76},
  doi = {10.11648/j.am.20160506.13},
  url = {https://doi.org/10.11648/j.am.20160506.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20160506.13},
  abstract = {Novel ionic liquid crystals consisting of polyammonium and carboxylate ions were synthesized by ion complexation of polyethyleneimine and carboxylic acids (α,ω-dicarboxylic acids and hydroxyalkanoic acid). Their thermal properties and orientational behavior were examined by polarizing microscopic observation, differential scanning calorimetry, and variable temperature X-ray diffraction measurements. The ionic liquid crystals exhibited thermotropic liquid crystalline phases. The ionic liquid crystals (BP/ndA) bearing counter dicarboxylate ions formed a cubic phase upon heating and cooling. On the other hand, the ionic liquid crystal bearing the counter hydroxyalkanoate ion exhibited enantiotropic smectic A and smectic B phases with focal conic fan textures. These ionic liquid crystalline phases were formed by ionic and hydrophobic interactions because they did not have an aromatic mesogenic group.},
 year = {2017}
}

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TY  - JOUR
T1  - Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions
AU  - Shiori Tomitaka
AU  - Masanori Nata
AU  - Seiji Ujiie
Y1  - 2017/01/24
PY  - 2017
N1  - https://doi.org/10.11648/j.am.20160506.13
DO  - 10.11648/j.am.20160506.13
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 73
EP  - 76
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20160506.13
AB  - Novel ionic liquid crystals consisting of polyammonium and carboxylate ions were synthesized by ion complexation of polyethyleneimine and carboxylic acids (α,ω-dicarboxylic acids and hydroxyalkanoic acid). Their thermal properties and orientational behavior were examined by polarizing microscopic observation, differential scanning calorimetry, and variable temperature X-ray diffraction measurements. The ionic liquid crystals exhibited thermotropic liquid crystalline phases. The ionic liquid crystals (BP/ndA) bearing counter dicarboxylate ions formed a cubic phase upon heating and cooling. On the other hand, the ionic liquid crystal bearing the counter hydroxyalkanoate ion exhibited enantiotropic smectic A and smectic B phases with focal conic fan textures. These ionic liquid crystalline phases were formed by ionic and hydrophobic interactions because they did not have an aromatic mesogenic group.
VL  - 5
IS  - 6
ER  -

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Author Information

Shiori Tomitaka

Department of Applied Chemistry, Faculty of Engineering, Oita University, Oita, Japan
Masanori Nata

Department of Applied Chemistry, Faculty of Engineering, Oita University, Oita, Japan
Seiji Ujiie

Department of Applied Chemistry, Faculty of Engineering, Oita University, Oita, Japan

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APA Style

Shiori Tomitaka, Masanori Nata, Seiji Ujiie. (2017). Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions. Advances in Materials, 5(6), 73-76. https://doi.org/10.11648/j.am.20160506.13

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ACS Style

Shiori Tomitaka; Masanori Nata; Seiji Ujiie. Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions. Adv. Mater. 2017, 5(6), 73-76. doi: 10.11648/j.am.20160506.13

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AMA Style

Shiori Tomitaka, Masanori Nata, Seiji Ujiie. Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions. Adv Mater. 2017;5(6):73-76. doi: 10.11648/j.am.20160506.13

Copy | Download

@article{10.11648/j.am.20160506.13,
  author = {Shiori Tomitaka and Masanori Nata and Seiji Ujiie},
  title = {Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions},
  journal = {Advances in Materials},
  volume = {5},
  number = {6},
  pages = {73-76},
  doi = {10.11648/j.am.20160506.13},
  url = {https://doi.org/10.11648/j.am.20160506.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20160506.13},
  abstract = {Novel ionic liquid crystals consisting of polyammonium and carboxylate ions were synthesized by ion complexation of polyethyleneimine and carboxylic acids (α,ω-dicarboxylic acids and hydroxyalkanoic acid). Their thermal properties and orientational behavior were examined by polarizing microscopic observation, differential scanning calorimetry, and variable temperature X-ray diffraction measurements. The ionic liquid crystals exhibited thermotropic liquid crystalline phases. The ionic liquid crystals (BP/ndA) bearing counter dicarboxylate ions formed a cubic phase upon heating and cooling. On the other hand, the ionic liquid crystal bearing the counter hydroxyalkanoate ion exhibited enantiotropic smectic A and smectic B phases with focal conic fan textures. These ionic liquid crystalline phases were formed by ionic and hydrophobic interactions because they did not have an aromatic mesogenic group.},
 year = {2017}
}

Copy | Download

TY  - JOUR
T1  - Ionic Liquid Crystalline Systems Consisting of Polyammonium and Counter Carboxylate Ions
AU  - Shiori Tomitaka
AU  - Masanori Nata
AU  - Seiji Ujiie
Y1  - 2017/01/24
PY  - 2017
N1  - https://doi.org/10.11648/j.am.20160506.13
DO  - 10.11648/j.am.20160506.13
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 73
EP  - 76
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20160506.13
AB  - Novel ionic liquid crystals consisting of polyammonium and carboxylate ions were synthesized by ion complexation of polyethyleneimine and carboxylic acids (α,ω-dicarboxylic acids and hydroxyalkanoic acid). Their thermal properties and orientational behavior were examined by polarizing microscopic observation, differential scanning calorimetry, and variable temperature X-ray diffraction measurements. The ionic liquid crystals exhibited thermotropic liquid crystalline phases. The ionic liquid crystals (BP/ndA) bearing counter dicarboxylate ions formed a cubic phase upon heating and cooling. On the other hand, the ionic liquid crystal bearing the counter hydroxyalkanoate ion exhibited enantiotropic smectic A and smectic B phases with focal conic fan textures. These ionic liquid crystalline phases were formed by ionic and hydrophobic interactions because they did not have an aromatic mesogenic group.
VL  - 5
IS  - 6
ER  -

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