Tolan derivative and liquid crystal composition containing the s

Details Tolan derivative and liquid crystal composition containing the s Tolan derivative and liquid crystal composition containing the s

1988-06-10

1989-06-13

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522995, 570128, 350350R, C09K 1930, C09K 1954, C07C 2524

Patent

active

048390917

ABSTRACT:
A liquid crystal substance having a large optical anisotropy value, a low viscosity and a superior compatibility with other liquid crystal compounds at low temperatures and also raising the degree of choice of liquid crystal materials and a liquid crystal composition containing the above substance are provided, which substance is a 4-(trans-4-alkylcyclohexyl)-3',4'-difluorotolan expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 10 carbon atoms.

REFERENCES:
patent: 4695398 (1987-09-01), Goto et al.
patent: 4713468 (1987-12-01), Takatsu et al.
patent: 4764636 (1988-08-01), Sasaki et al.
patent: 4778620 (1988-10-01), Goto et al.
patent: 4788363 (1988-11-01), Takatsu et al.

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