Hostname: page-component-7479d7b7d-pfhbr Total loading time: 0 Render date: 2024-07-13T00:31:14.391Z Has data issue: false hasContentIssue false
  • English
  • Français

Thermal and Liquid Crystalline Properties of a Polymer with Amphiphilic-Mesogenic Side-Chains

Published online by Cambridge University Press:  15 March 2011

Seiji Ujiie ,
Yumi Yano  and
Akira Mori
Seiji Ujiie
Affiliation:
Department of Material Science, Interdisciplinary Faculty of Science and Engineering, Shimane University, Matsue 690-8504, Japan
Yumi Yano
Affiliation:
Department of Material Science, Interdisciplinary Faculty of Science and Engineering, Shimane University, Matsue 690-8504, Japan
Akira Mori
Affiliation:
Institute of Advanced Material Study, 86, Kyushu University, Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
Get access

Abstract

A low-molecular-weight liquid crystalline amphiphilic compound (Az6Bu) and a liquid crystalline polymethacrylate [P(Az6Bu)] with amphiphilic-mesogenic side-chains are reported in this present paper. A polyethyleneimine chain with 2-hydroxyethyl side-groups was used as the water-soluble spacer. Az6Bu exhibited a lyotropic columnar phase and no thermotropic mesophase. P(Az6Bu) showed thermotropic and lyotropic liquid crystalline properties. P(Az6Bu) formed thermotropic smectic A and C mesophases on the heating and cooling processes. The lyotropic systems consisting of P(Az6Bu) and water exhibited a smectic C lyomesophase with oilystreak and schlieren textures. The layered structures formed in the thermotropic and lyotropic mesophases are composed of a sublayer produced by the anisotropic alignment of aromatic-mesogenic groups and a sublayer of hydrophilic groups.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 709: Symposium CC – Advances in Liquid Crystalline Materials and Technologies , 2001 , CC5.19.1
Copyright
Copyright © Materials Research Society 2002

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Ujiie, S., Tanaka, Y., and Iimura, K., Polym. Adv. Technol, 11, 450 (2000); S. Ujiie and K. Iimura, Polym. J., 25, 347 (1993); S. Ujiie and S. Takagi, High Perform. Polym., 20, 347 (1999).Google Scholar
2. Handbook of Liquid Crystals, ed. Demus, D., Goodby, J., Gray, G. W., Spiess, H.-W. and Vill, V., Wiley-VCH, Weinheim, 1998, Vol. 3, ch. VI and VII; K.Kanie, T. Yasuda, M. Nishi, S. Ujiie, and T. Kato, Chem. Lett., 2001, 480.Google Scholar
3. Demus, D., Pelzl, G., Sharma, N. K. and Weissflog, W., Mol. Cryst. Liq. Cryst., 76, 241 (1981); S. Ujiie, H. Uchino, and K. Iimura, J. Mater. Chem., 5, 2229 (1995).Google Scholar
4. Ujiie, S. and Yano, Y., Chem. Commun., 2000, 79; S. Ujiie and Y. Yano, Mol. Cryst. Liq. Cryst., 347, 265 (2000).Google Scholar
5. Goethals, E. J. and Vlegels, M. A., Polym. Bull., 4. 521(1981).Google Scholar