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Liquid Crystals

A Mean Field Theory of Reentrant Phases in Some Binary Mixtures of Polar and Nonpolar Compounds

, , , &
Pages 41-54 | Received 17 Oct 1985, Published online: 28 Mar 2007
 

Abstract

In an earlier paper, the authors reported a mean field model for reproducing the double reentrant phase sequence of a pure compound with strong polar end groups. The present work is an extension of the earlier model to the case of a binary mixture consisting of a polar and a nonpolar component. The calculated phase diagram shows that the double reentrant polymorphism ceases to exist beyond a certain fraction of the nonpolar component. This aspect and other features of the phase diagram are in good qualitative agreement with experimental observations in some cases.

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