Halogenated ester derivatives

Details Halogenated ester derivatives Halogenated ester derivatives

1981-01-23

1982-07-20

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonchiral additive having no specified mesophase

25229962, 25229963, 25229967, 350350R, 350350S, 560 8, 560 56, 560 59, 560 73, 560100, 560102, 560106, 560107, 560118, 560119, C09K 334, G02F 113, C07C 6962, C07C 6963, C07C 69353, C07C 69635, C07C 6975

Patent

active

043404987

ABSTRACT:
New halogenated ester derivatives and liquid crystal compositions containing the same are provided. The derivatives are expressed by the general formula ##STR1## wherein X is ##STR2## R is 1-15C alkyl group or alkoxy group; and Y is carboxyl group. The derivatives are useful as component(s) of liquid crystal compositions which have higher mesomorphic temperature ranges, nevertheless have lower viscosities; and also have lower absolute values of dielectric anisotropy, nevertheless can be driven at lower voltages.

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Gray, G. W. et al., Mol. Cryst. Liq. Cryst., vol. 37, pp. 157-188, (1976).
Destraoe, C. et al., Mol. Cryst. Liq. Cryst., vol. 68, pp. 175-181, (1981).

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