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    • 3. 发明授权
    • Ferroelectric liquid crystal composition
    • 铁电液晶组成
    • US5478495A
    • 1995-12-26
    • US213816
    • 1994-03-17
    • Masahiro TeradaAkio YoshidaKenji ShinjoToshiharu UchimiTakeshi Togano
    • Masahiro TeradaAkio YoshidaKenji ShinjoToshiharu UchimiTakeshi Togano
    • C09K19/04C09K19/42C09K19/46C09K19/48G02F1/137C09K19/52G02F1/13
    • C09K19/46C09K19/04C09K19/42
    • A ferroelectric liquid crystal composition, comprising at least three mesomorphic compounds represented by the following formula (I): ##STR1## wherein C* denotes an asymmetric carbon atom; E denotes a mesomorphic compound residue including a divalent 6-membered ring-containing group capable of having a substituent; and A and B are mutually different groups respectively selected from the class of (a) methyl group, (b) linear or branched alkyl groups having 2-18 carbon atoms capable of having a substituent, (c) linear or branched alkyloxy groups having 1-18 carbon atoms, (d) linear or branched alkyloxyalkyl groups having 2-18 carbon atoms, (e) linear or branched alkyloxycarbonyl groups having 2-18 carbon atoms, (f) linear or branched alkyloxycarbonylmethyl groups having 3-18 carbon atoms; (g) chlorine or bromine, (h) fluorine, (i) trifluoromethyl group, and (j) cyano group; the above-mentioned at least three mesomorphic compounds belonging to at least three mutually different series of compounds which are different from each other in the combination of the groups A and B attached to the asymmetric carbon atom respectively selected from any one of the sub-classes (a)-(j).
    • 一种铁电液晶组合物,其包含由下式(I)表示的至少三种介晶化合物:其中C *表示不对称碳原子; E表示包含能够具有取代基的二价含6元环的基团的介晶化合物残基; A和B是分别选自(a)甲基,(b)具有2-18个碳原子的具有取代基的直链或支链烷基,(c)具有1个碳原子的直链或支链烷氧基的相互不同的基团 -18个碳原子,(d)具有2-18个碳原子的直链或支链烷氧基烷基,(e)具有2-18个碳原子的直链或支链烷氧基羰基,(f)具有3-18个碳原子的直链或支链烷氧基羰基甲基; (g)氯或溴,(h)氟,(i)三氟甲基和(j)氰基; 属于至少三种相互不同的一系列化合物的上述至少三种介晶化合物,它们分别与分别选自任何一个亚类的不对称碳原子相连的基团A和B的组合彼此不同 (a) - (j)。