Secondary alcohol derivatives for use in liquid crystal material

Details Secondary alcohol derivatives for use in liquid crystal material Secondary alcohol derivatives for use in liquid crystal material

1986-08-18

1988-06-28

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 2522996, 2522995, 25229961, 25229962, 25229963, 25229964, 25229966, 25229967, 25229968, 350350S, G02F 110, C09K 1912

Patent

active

047537523

ABSTRACT:
Novel compounds for use in ferroelectric smectic liquid crystal mixtures are provided, having a general formula: ##STR1## where R.sub.1 is alkyl, alkoxy, alkylcarbonyloxy or alkoxy-carbonyl, ##STR2## are cyclic groups, A and B are a single bond, COO, OOc, CH.sub.2 CH.sub.2, CH.sub.2 O or OCH.sub.2, (a+b+c) is 2 or 3 and R.sub.2 is an optically active alkyl group. Ferroelectric smectic liquid crystal mixtures containing these compounds, and a suitable ferroelectric liquid crystal device are also described.

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