申请人:Chisso Corporation
公开号:US04596667A1
公开(公告)日:1986-06-24
Novel ferroelectric liquid crystalline compounds having a superior stability and chiral, smectic liquid crystalline compositions containing at least one kind of the same are provided, which compounds are expressed by the general formula ##STR1## wherein ##STR2## represents 1,4-phenylene group ##STR3## or 1,4-trans-cyclohexane group ##STR4## R*, an optically active alkyl group; m=o, 1 or 2; n=1 or 2; X, a linear chain or branched alkyl group or alkoxy group, each having 1 to 18 carbon atoms; and when ##STR5## represents ##STR6## m=1; and n=1, X represents a linear chain or branched alkyl group having 1 to 18 carbon atoms or a linear chain alkoxy group having 11 to 18 carbon atoms.
提供了具有优越稳定性和手性的新型铁电液晶化合物以及含有至少一种相同化合物的手性、液晶相组合物,所述化合物由通式##STR1##表示,其中##STR2##表示1,4-苯基基团##STR3##或1,4-顺式环己烷基团##STR4##,R*表示光学活性烷基基团;m=0、1或2;n=1或2;X表示线性链或支链烷基基团或烷氧基基团,每个基团具有1至18个碳原子;当##STR5##表示##STR6##时,m=1;n=1,X表示具有1至18个碳原子的线性链或支链烷基基团或具有11至18个碳原子的线性链烷氧基基团。