Azo benzene derivatives |
| |
| Authors: | Toshiaki Shirakawa Hajime Ichimura Isao Ikemoto |
| |
| Affiliation: | Department of Chemistry, Faculty of Science , Tokyo, Metropolitan University , Fukazawa, Setagayaku, Tokyo, Japan , 158 |
| |
| Abstract: | Pressure-volume isotherms for 4-(trans-4-butylcylohexyl)benzonitrile were measured by means of piston-cylinder method. This substance has a monotropic nematic phase at atmospheric pressure. But over a pressure, the nature of isotropic to nematic phase transition changed from monotropic to enantiotropic phase transition. It is the first observation in P-V-T experiments that the monotropic isotropic-nematic transition changes enantiotropic under pressure. |
| |
| Keywords: | pressure volume transition monotropic enantiotropic change |
|
|
