Cyclohexylbiphenyls, their preparation and use in dielectrics an

Details Cyclohexylbiphenyls, their preparation and use in dielectrics an Cyclohexylbiphenyls, their preparation and use in dielectrics an

1980-07-07

1982-05-18

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522995, 350350R, 350350S, 560141, 568642, 570129, 585 25, 585 20, G02F 113, C09K 334, C07C 1328, C07C 2124, C07C 43205, C07C 69017

Patent

active

043304265

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sub.1 is alkyl of 1-12 C atoms and R.sub.2 is an optionally perfluorinated alkyl, alkoxy or alkanoyloxy group, each of 1-12 C atoms are valuable liquid crystalline components for broadening the mesophase temperature range of liquid crystalline dielectrics having negative dielectric anisotropy.

REFERENCES:
patent: 3517069 (1970-06-01), Bach et al.
patent: 3960752 (1976-06-01), Flanderman
patent: 4011173 (1977-03-01), Steinstrasser
patent: 4118335 (1978-10-01), Krause et al.
patent: 4130502 (1978-12-01), Eidenschink et al.
patent: 4154697 (1979-05-01), Eidenschink et al.
patent: 4180475 (1979-12-01), Schadt et al.
patent: 4181625 (1980-01-01), Eidenschink et al.
patent: 4198130 (1980-04-01), Boller et al.
patent: 4228029 (1980-10-01), Osman
patent: 4229315 (1980-10-01), Krause et al.
Billard, J., et al., Mol. Cryst. Liq. Cryst., vol. 41 (Letters), pp. 217-222 (1978).
Advances in Liquid Crystal Research and Applications, Bath, L., Proceedings of Third L. C. Conf. of Socialist Countries, Budapest, Aug. 27-31 (1979), vol. 2, pp. 997-1002 Pergamon Press, N.Y. (1981).

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