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Main Chain Liquid Crystalline Ionic Polymers with Thermotropic and Lyotropic Mesophases by J. G. Jegal; A. Blumstein is a Materials Science article available to read on EtoBox.
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## Abstract An ionogenic main chain liquid crystalline polymer was synthesized. In contrast to previous studies the charged sites were incorporated into the flexible spacer and not into the mesogenic group. This was done through quaternization of 1,2‐bis(4‐pyridylethane) with a biphenyl‐4,4′‐nonanoxytoluenesulphonate. The polymer displayed thermotropic and lyotropic me‐sophases. The thermotropic mesophase was smectic. Organic counterions such as meth‐ylsulfonates and __p__‐toluenesulfonates were found to be favorable to the development of mesophases, due to the increased solubility and lower isotropisation temperatures, when compared to bromide counterion containing polymers. Easy supercooling, dependence on thermal history, and the development of batonnet textures on cooling from the melt were also observed. © 1995 John Wiley & Sons, Inc.
Who reads Main Chain Liquid Crystalline Ionic Polymers with Thermotropic and Lyotropic Mesophases?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- J. G. Jegal; A. Blumstein
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0887-624X)
- Published
- 1995
- Language
- EN
- Field
- Materials Science (Physical Sciences)