Pyridine compound and liquid crystalline composition

Details Pyridine compound and liquid crystalline composition Pyridine compound and liquid crystalline composition

1998-12-04

2000-04-04

Kight, John

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

546342, 546326, 546318, 546314, 546290, C09K 1934, C07D21306

Patent

active

060457201

ABSTRACT:
A compound expressed by the following formula (1) and a liquid crystalline composition with using it are provided: ##STR1## wherein, either one of rings A, B and C denotes ##STR2## remaining two of them denote each independently ##STR3## R denotes an alkyl group or an alkoxy group with 4-16 carbon atoms, R* denotes ##STR4## in which, R.sub.1 denotes CH.sub.3, CF.sub.3, CH.sub.2 F or CHF.sub.2, R.sub.2 denotes an alkyl group with 1-10 carbon atoms and m denotes 2-12.
The said compound exhibits a ferroelectric liquid crystalline phase and an antiferroelectric liquid crystalline phase by itself.

REFERENCES:
patent: 5328643 (1994-07-01), Sudo et al.

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