Liquid crystal mixtures

Details Liquid crystal mixtures Liquid crystal mixtures

1978-05-22

1980-04-15

Sebastian, Leland A.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, 252408, C09K 334, C02F 113

Patent

active

041981308

ABSTRACT:
Liquid crystal mixtures having positive anisotropy of the dielectric constants comprising a nematogenic material having a clearing point above 60.degree. C., one or more compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen or straight-chain alkyl, provided that at least one of R.sub.1 and R.sub.2 is other than hydrogen and that R.sub.1 and R.sub.2 together contain no more than 9 carbon atoms,
and, if desired, one or more additional doping agents, are described.

REFERENCES:
patent: 4000084 (1976-12-01), Hsieh et al.
patent: 4029595 (1977-06-01), Ross et al.
patent: 4062798 (1977-12-01), Boller et al.
patent: 4076646 (1978-02-01), Nakano et al.
patent: 4118335 (1978-10-01), Krause et al.
patent: 4130502 (1978-12-01), Eidenschink et al.
patent: 4154697 (1979-05-01), Eidenschink et al.
Eidenschink, R., et al., Angewanote Chemie, vol. 89, No. 2, p. 103 (1977).
Dewar, M. J., et al., J. Am. Chem. Soc., vol. 92, No. 6, pp. 1582-1586 (1970).

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