Liquid-crystalline material containing azo dyestuffs

Details Liquid-crystalline material containing azo dyestuffs Liquid-crystalline material containing azo dyestuffs

1984-08-23

1985-05-28

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing pleochroic dye

350349, C09K 334, G02F 113

Patent

active

045199353

ABSTRACT:
Liquid-crystalline material containing an azo dyestuff of the formula ##STR1## in which A and B are radicals of coupling components in particular of the benzene, naphthalene and pyrazole series and

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Demus, D. et al., Flussige Kristalle in Tabellen, Veb Deutscher Verlag, Leipzig, pp. 220-221, (1974).
Cox, R. J., Mol. Cryst. Liq. Cryst., vol. 55, pp. 1-32, (1979).
Blinov, L. M. et al., J. de Physique, Coll. C1, Suppl. No. 3, Tome 36, pp. C1-69-76, (1975).
Bloom, A. et al., Mol. Cryst. Liq. Cryst., vol. 40, pp. 213-221, (1977).
Cognard, J. et al., Mol. Cryst. Liq. Cryst., vol. 68, pp. 207-229, (1981).
Molecular Crystals & Liquid Crystals, vol. 55, No. 9, 1979, Gordon and Breach Science Publishers, Inc. London (GB), R. J. Cox.
"Liquid Crystal Guest-Host Systems: pp. 1-32, p. 8, paragraphs 4-16.

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