COMPOSITION OF LIQUID CRYSTAL CONTAINING CYCLOHEXYL BIPHONYLY

Cyclohexyl biphenyl compds. of formula(I) are new, where R1 is C1-12 alkyl and R2 is C1-12 alkyl, C1-12 alkoxy or C1-12 alkanoyloxy and each is opt. perfluorinated. The compds. are liquid crystal materials having dielectric anisotropy between -1 and +3, usually about zero. The temp. range of the mes...

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Bibliographic Details
Main Authors EIDENSCHINK, RUDOLF, KRAUSE, JOACHIM, POHL, LUDWIG, ERDMANN, DIETRICH
Format Patent
LanguageEnglish
Korean
Published 27.06.1985
Edition4
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ADHESIVES
CHEMISTRY
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
DYES
FREQUENCY-CHANGING
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
ORGANIC CHEMISTRY
PAINTS
PHYSICS
POLISHES
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:Cyclohexyl biphenyl compds. of formula(I) are new, where R1 is C1-12 alkyl and R2 is C1-12 alkyl, C1-12 alkoxy or C1-12 alkanoyloxy and each is opt. perfluorinated. The compds. are liquid crystal materials having dielectric anisotropy between -1 and +3, usually about zero. The temp. range of the meso-phase of liquid crystal base materials is significantly widened by adding these compds. and in many cases viscosity redn. also occurs. Use of such mixts. in electrooptical display cells provides short switching times at room temp.
Bibliography:Application Number: KR19800002674