Polymeric liquid crystals

Details Polymeric liquid crystals Polymeric liquid crystals

1984-10-12

1987-01-20

Gron, Teddy S.

Compositions

Liquid crystal compositions

Cholesteric liquid crystal composition containing a sterol...

428 1, 374161, 374162, 526284, C09K 1936, C09K 1938, C08F 1232, G01K 1116

Patent

active

046378960

ABSTRACT:
The present invention concerns novel cholesteric liquid crystalline monomers and combinations thereof with materials that will support formation of a mixture which demonstrates cholesteric liquid crystalline properties. These materials may be formed as coatings, heated or cooled to a desired temperature to cause the cholesteric coating to exhibit a desired optical response, and photopolymerized to essentially fix the optical characteristics of the resulting polymer.

REFERENCES:
patent: 4293435 (1981-10-01), Portugall et al.
Tsutsui et al, CA 91:176075, 1979.
Freizdon et al, Mol. Cryst. Liq. Cryst., 1982, vol. 88, 87-97.
Tsutsui et al, Polymer. Comm., 1980, vol. 21, 1351-52.
Freizdon et al, Adv. Liq. Cryst. Res. & Appl., 1980, 890-914.
Shibayev et al, Polymer Science USSR, vol. 21, 2044-2050.
Minezaki et al, Makromol. Chemie, 175, 1974, 3017-21.
Kharitonov, CA 94:157412z, 1981.
Nyitrai et al, CA 93:85755t, 1980.
Mori et al, CA 88:23513, 1978.

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