The Middle Soap-Isotropic Transition at High Pressures in OPE10/Water
- 1 July 1983
- journal article
- liquid crystals
- Published by Taylor & Francis in Molecular Crystals and Liquid Crystals
- Vol. 95 (1) , 143-148
- https://doi.org/10.1080/00268948308072415
Abstract
The middle soap-isotropic phase transition in p, t-octylphenoxynonaethoxyethanol (OPE10) and water systems is examined at high pressures. It is found that the melting curves in the P-T plane share some characteristics with transitions in thermotropics but are generally much steeper than in other liquid crystalline systems. The strong curvature of the melting line for one concentration allows transitions from isotropic to condensed to isotropic phases when changing pressure at a fixed temperature. The effect of increasing pressure on the peak in transition temperature as a function of concentration is to move it toward higher concentrations.Keywords
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