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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Volume 323, 1998 - Issue 1
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Liquid Crystals: Invited Article

Fluoro Substitution in Thermotropic Liquid Crystals

Michael Hird Department of Chemistry, University of Hull, Hull, HU6 7RX, UK
&
Kenneth J. Toyne Department of Chemistry, University of Hull, Hull, HU6 7RX, UK
Pages 1-67 | Received 16 Apr 1998, Published online: 04 Oct 2006
 
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Abstract

Fluoro substitution in thermotropic liquid crystals provides a general way of modifying the properties of a parent system. Melting point, transition temperatures, mesophase types and other physical properties are affected by fluoro substitution so that frequently the behaviour of the parent compound can be manipulated and improved in a predictable manner. This review discusses the effects of fluoro substitution at different positions in a variety of core systems and briefly considers the problems arising in the synthesis of fluoro-substituted liquid crystals.

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