Liquid crystal compositions

Details Liquid crystal compositions Liquid crystal compositions

1974-03-15

1976-08-10

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

252408, 350150, 350160LC, C09K 334, G02F 113

Patent

active

039740870

ABSTRACT:
A range of eutectic mixtures containing at least three compounds having the formula ##SPC1##
Where X.sup.1 is an alkyl group, an alkoxy group or a substituted phenyl group ##SPC2##
Where R is an alkyl or alkoxy group, are described. The eutectic mixtures extend the temperature ranges over which their constituent compounds exhibit liquid crystal properties and are thus useful in liquid crystal devices operating in those temperature ranges.

REFERENCES:
patent: 3891307 (1975-06-01), Tsukamoto et al.
Gray, G. W. et al., Electronics Letters, vol. 9, No. 6, pp. 130-131 (Mar. 22, 1973).
Gray, G. W. et al., Electronics Letters, vol. 9, No. 26, pp. 616-617 (Dec. 27, 1973).
Gray, G. W., Molecular Structure and Properties of Liquid Crystals, Academic Press, N.Y., pp. 125-138 (1962).
Gray, G. W. et al., Liquid Crystals & Plastic Crystals, vol. 1, Ellis Horwood, Ltd., Chichester, Eng., pp. 103-174 (Jan. 1974).

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