Synthesis and mesogenic properties of three- and four-ring compounds with a fluoroisothiocyanatobiphenyl moiety

    Authors

    R. Dabrowski; J. Dziaduszek; K. Garbat; M. Filipowicz; S. Urban; S. Gauza;G. Sasnouski

    Comments

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    Abbreviated Journal Title

    Liq. Cryst.

    Keywords

    nematic isothiocyanates; syntheses; phase transitions; bulk viscosity; refractive indices; dielectric anisotropy; nematic mixtures; X-RAY-DIFFRACTION; HOMOLOGOUS SERIES; PHASE-TRANSITION; LIQUID-CRYSTALS; TERMINAL GROUP; BIREFRINGENCE; ISOTHIOCYANATES; BIPHENYLS; MIXTURES; DISPLAYS; Chemistry, Multidisciplinary; Crystallography; Materials Science, ; Multidisciplinary

    Abstract

    The syntheses and mesomorphic properties of 4-alkylcyclohexyl- and 4-alkylcyclohexylethyl and 4-alkylbicyclohexyl-3-fluoro- and 3,5-difluorobiphenyl-4-isothiocyanates are described. The compounds are low melting, very broad range nematic liquid crystals and are very useful for the formulation of nematic mixtures of low viscosity and with a moderately high birefringence (0.3-0.35). The refractive indices, bulk viscosity and dielectric anisotropy extrapolated from Demus' ester mixture for the prepared compounds are presented.

    Journal Title

    Liquid Crystals

    Volume

    37

    Issue/Number

    12

    Publication Date

    1-1-2010

    Document Type

    Article

    Language

    English

    First Page

    1529

    Last Page

    1537

    WOS Identifier

    WOS:000285202800007

    ISSN

    0267-8292

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