Trans-4-(trans-4'-alkylcyclohexyl)-cyclohexane carboxylic acid 4

Details Trans-4-(trans-4'-alkylcyclohexyl)-cyclohexane carboxylic acid 4 Trans-4-(trans-4'-alkylcyclohexyl)-cyclohexane carboxylic acid 4

1981-06-26

1983-06-07

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

260465D, 260465F, 350350R, 350350S, C09K 334, G02F 113, C07C 6122, C07C 6139, C07C12148, C07C12164

Patent

active

043870392

ABSTRACT:
New ester type nematic liquid crystal compounds as well as a liquid crystal composition containing said compounds are provided, wherein said compounds are trans-4-(trans-4'-alkylcyclohexyl)-cyclohexane carboxylic acid 4"'-cyanobiphenyl esters represented by the general formula of ##STR1## wherein R is straight or branched alkyl group of 1.about.10 carbon atoms. The compounds are useful as a component of liquid crystal compositions which have a higher N-I temperature since they have a wide mesomorphoric temperature range in a higher temperature range.

REFERENCES:
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patent: 4222887 (1980-09-01), Matsufuji
patent: 4227778 (1980-10-01), Raynes
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patent: 4229315 (1980-10-01), Frause et al.
patent: 4253740 (1981-03-01), Raynes et al.
patent: 4261652 (1981-04-01), Gray et al.
patent: 4285829 (1981-08-01), Eidenschink et al.
Gray, G. W., Mol. Cryst. Liq. Cryst., vol. 53, pp. 3-18 (1981).
Coates, D., et al., Mol. Cryst. Liq. Cryst., vol. 37, pp. 249-262 (1976).
Gray, G. W., et al., Mol. Cryst. Liq. Cryst., vol. 53, pp. 147-166 (1979).
Dewar, M. J. S., et al., J.A.C.S., vol. 92, No. 6, p. 1582-1586 (1976).
The 3rd Symposium on Liquid Crystals, "A Review of Some Liquid Crystal Materials & Their Properties," G. W. Gray, Nov. 1977, pp. 18-19.

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