Liquid crystalline materials

Details Liquid crystalline materials Liquid crystalline materials

1977-08-02

1978-09-12

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

252408, 260465D, 350350, 560 1, 560 65, 560 66, G02F 113, C09K 334, C07C 6974, C07C12162, C07C12164

Patent

active

041136470

ABSTRACT:
Novel liquid crystal materials which are trans-4-alkylcyclohexane-1-carboxylic acid esters are provided having the general formula: ##STR1## where R is a normal or branched chain alkyl group, which may also contain a chiral center, containing up to ten carbon atoms and X is selected from the groups: ##STR2## where A is a cyano group, a normal or branched chain alkyl group, which may also contain a chiral center, containing up to ten carbon atoms or an alkoxy group in which the alkyl group is as defined immediately above, and where Y is a halogen, preferably chlorine, or hydrogen.

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patent: 3951846 (1976-04-01), Gavrilovic
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patent: 4013582 (1977-03-01), Gavrilovic
patent: 4017416 (1977-04-01), Inukai et al.
patent: 4029595 (1977-06-01), Ross et al.
patent: 4032219 (1977-06-01), Constant et al.
Dewar, M., et al., J. Am. Chem. Soc., vol. 92, No. 6, pp. 1582-1586 (1970).
Klanderman, B., et al., J. Am. Chem. Soc., vol. 97, No. 6, pp. 1585-1586 (1975).
Coates, D., et al., Mol. Cryst. Liq. Cryst., vol. 31, pp. 275-283 (1975).
Karamysheva, L., et al., Mol. Cryst. Liq. Cryst., vol. 37, pp. 29-34 (1976).

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