Liquid crystal materials

Details Liquid crystal materials Liquid crystal materials

1991-11-18

1993-11-09

Stoll, Robert L.

Compositions

Liquid crystal compositions

25229966, 25229961, 25229967, 528 32, 528 43, C09K 1952, C09K 1912, C08G 7720, C08G 7700

Patent

active

052599876

ABSTRACT:
Liquid crystal polymers, which may be used for optical information storage, either alone or in mixture with other liquid crystals, are of the general formula ##STR1## wherein the mesogenic grouping M has a general structure ##STR2## wherein the rings P and Q are selected from phenyl, trans-cyclohexyl, pyridyl, pyrimidinyl, dioxanyl, and bicyclo (2.2.2) octyl. The rings P and/or Q may carry lateral substituents, preferably Me or F. The general structure of Formula (I) may represent a homopolymer or a copolymer.

REFERENCES:
patent: 4904066 (1990-02-01), Gray et al.
patent: 5039208 (1991-08-01), Onishi et al.

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