Compositions – Radioactive compositions – Nuclear reactor fuel
Patent
1988-10-12
1990-01-09
Gron, Teddy S.
Compositions
Radioactive compositions
Nuclear reactor fuel
25229901, 2522995, 25229961, 25229965, 25229966, G02F 113, C09K 1934
Patent
active
048923931
ABSTRACT:
A ferroelectric liquid crystal composition exhibiting SC* phase within a broad temperature range including room temperature and also having high-speed response properties and a light switching element using the above-mentioned liquid crystal composition and exhibiting high-speed response properties are provided, which composition comprises at least one member of chiral compounds expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent a linear or branched chain alkyl, alkoxy, alkoxyalkoxy, alkoxycarbonyl, alkanoyl or alkanoyloxy group each of 1 to 18 C and at least one of R.sup.1 and R.sup.2 has an asymmetric carbon atom in the alkyl chain moiety of these groups, and at least one member of chiral compounds having a spontaneous polarization value of 40 nC/cm.sup.2 or more.
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Furukawa Kenji
Ichihashi Mitsuyoshi
Kikuchi Makoto
Takeshita Fusayuki
Terashima Kanetsugu
Chisso Corporation
Gron Teddy S.
Philpitt Fred
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