LYOTROPIC LIQUID CRYSTAL COMPOSITION Russian patent published in 2009 - IPC C09K19/32 C09K19/02 C09K11/77 

FIELD: chemistry.

SUBSTANCE: invention relates to liquid crystal materials and can be used as flawless luminescent optical media in electro-optical and magneto-optical devices. A lyotropic liquid crystal composition is described, which contains oxyethylated surface active substance in form of 5,11,17,23-tetra-tert-butyl-25,26,27,28-tetrakis[29-hydroxy(3,6,9,12,15,18,21,24,27-oxanonacosaneoxy]-pentacyclo[19.3.-1.1^3,7.1^9,13.1^15,19]octacosa-1(25)3,5,7(28)9,11,13(27)15,17,19(26)21,13-dodecane, hexahydrate of europium nitrate and solvent in form of ethanol. Components of the composition are in the following ratio, wt %: said oxyethylated surface active substance - 55 to 79, hexahydrate of europium nitrate - 12 to 35, ethanol - 5 to 33.

EFFECT: production of lyotropic liquid crystal composition, with twelve times more luminescence efficiency and double the mean life of luminescent glow.

1 cl, 5 dwg, 1 tbl, 4 ex