PROCESS FOR CONTROLLING LAYER SPACING IN MIXTURES OF SMECTIC LIQUID CRYSTAL COMPOUNDS

A PROCESS FOR CONTROLLING LAYER SPACING IN MIXTURES OF SMECTIC LIQUID CRYSTAL COMPOUNDS COMPRISES THE STEP OF COMBINING A LIQUID CRYSTAL COMPOSITION HAVING A NET NEGATIVE THERMAL LAYER EXPANSION IN AT LEAST ONE TILTED (OR LATENT TILTED) SMECTIC MESOPHASE AND A LIQUID CRYSTAL COMPOSITION HAVING A NET...

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Hauptverfasser:	SNUSTAD,DANIEL C, KEYES,MICHAEL P, EPSTEIN,KENNETH A, RADCLIFFE,MARC D
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY CONVEYING 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 HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS 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 PACKING PAINTS PERFORMING OPERATIONS PHYSICS POLISHES STORING TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING UNPACKING
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Beschreibung
Zusammenfassung:	A PROCESS FOR CONTROLLING LAYER SPACING IN MIXTURES OF SMECTIC LIQUID CRYSTAL COMPOUNDS COMPRISES THE STEP OF COMBINING A LIQUID CRYSTAL COMPOSITION HAVING A NET NEGATIVE THERMAL LAYER EXPANSION IN AT LEAST ONE TILTED (OR LATENT TILTED) SMECTIC MESOPHASE AND A LIQUID CRYSTAL COMPOSITION HAVING A NET POSITIVE THERMAL LAYER EXPANSION IN AT LEAST ONE TILTED (OR LATENT TILTED) SMECTIC MESOPHASE, EACH OF THE COMPOSITIONS COMPRISING AT LEAST ONE SMECTIC OR LATENT SMECTIC LIQUID CRYSTAL COMPOUND. THE PROCESS ENABLES CONTROL OF LAYER SPACING IN THE TILTED SMECTIC MESOPHASE(S) AND THEREBY CONTROL OR SUPPRESSION OF CHEVRON LAYER GEOMETRY.FIG. 1