FLUESSIGES KRISTALLINES MATERIAL

PCT No. PCT/SU87/00114 Sec. 371 Date Jun. 8, 1988 Sec. 102(e) Date Jun. 8, 1988 PCT Filed Oct. 19, 1987 PCT Pub. No. WO88/03158 PCT Pub. Date May 5, 1988.A novel anthraquinone derivative is proposed, of the general formula /1/ where A,B,D are simultaneously or independently groups -NHCOR1, -NHCOAlk,...

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Hauptverfasser:	PRUDNIKOVA,ELENA K.,SU, LAZAREVA,VALENTINA T.,SU, IVASCHENKO,ALEXANDR V.,SU, PLUSNINA,TAMARA S.,SU, RUMYANTSEV,VLADIMIR G.,SU
Format:	Patent
Sprache:	ger
Schlagworte:	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 LAKES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Zusammenfassung:	PCT No. PCT/SU87/00114 Sec. 371 Date Jun. 8, 1988 Sec. 102(e) Date Jun. 8, 1988 PCT Filed Oct. 19, 1987 PCT Pub. No. WO88/03158 PCT Pub. Date May 5, 1988.A novel anthraquinone derivative is proposed, of the general formula /1/ where A,B,D are simultaneously or independently groups -NHCOR1, -NHCOAlk, -OCOAlk, -OCOR1, -OH, -OAlk, -NHAlk, H, wherein R1 is groups +TR R4 is groups +TR where Alk=C1-C18; R5 is groups where Alk=C1-C18; R6 is hydrogen or -Alk=C1-C8; R7-Alkyl=C1-C8; R2, R3 are groups -Alk, -OAlk, -SAlk, where Alk=C1-C8 or R3 - H, as a dichroic dye with negative dichrosim for a liquid-crystal material. Also proposed is a liquid-crystalline material containing a liquid-crystalline matrix and a dichroic dye representing at least one anthraquinone derivative of general formula /1/ taken in amount 1-15 mass %. An electrooptical device is proposed with a dichroic working body (1) made of said liquid-crystal material placed between transparent plates (2) on the inner sides of which electrodes (3) are located, fitted with conductors (6) connected to a power supply.