Chiral liquid crystal compounds having a perfluoroether terminal

Details Chiral liquid crystal compounds having a perfluoroether terminal Chiral liquid crystal compounds having a perfluoroether terminal

1994-11-14

1995-12-12

Wu, Shean

Compositions

Liquid crystal compositions

25229961, 25229962, 25229963, 25229964, 25229965, 25229966, 25229967, 544298, 544335, 546270, 546315, 546322, 546326, 549369, 549374, 549271, 549266, 549267, 560 64, 560 65, 359103, C09K 1952, C09K 1930, C09K 1932, G02F 113

Patent

active

054747058

ABSTRACT:
Fluorine-containing, chiral liquid crystal compounds comprise (a) an aliphatic fluorocarbon terminal portion containing at least two catenary ether oxygen atoms; (b) a chiral, aliphatic hydrocarbon terminal portion; and (c) a central core connecting the terminal portions. The compounds have smectic mesophases or latent smectic mesophases and are useful, for example, in liquid crystal display devices.

REFERENCES:
patent: 5141669 (1992-08-01), Bloom et al.
H. Nohira et al., Mol. Cryst. Liq. Cryst. 180B, 379-88 (1990).
P. M. Savu, Kirk-Othmer Encyclopedia of Chemical Technology, Fourth Edition, vol. 11, pp. 558-564, John Wiley & Sons, New York (1994).
Patent Abstracts of Japan, vol. 15, No. 271 (C-0848), Jul. 10. 1991.

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