申请人:Mitsubishi Gas Chemicals Company, Inc.
公开号:US06018070A1
公开(公告)日:2000-01-25
A two-rings-containing phenyl ester compound of the following general formula (1), ##STR1## wherein R.sup.1 is a linear alkyl group having 5 to 12 carbon atoms, R.sup.2 is a linear alkyl group having 1 to 15 carbon atoms, X.sup.1 and X.sup.2 are both hydrogen atoms or one of X.sup.1 and X.sup.2 is a fluorine atom and the other is a hydrogen atom, Y.sup.1 and Y.sup.2 are both hydrogen atoms or one of Y.sup.1 and Y.sup.2 is a fluorine atom and the other is a hydrogen atom, and A.sup.1 is a hydrogen atom, --CH.sub.3 or --CF.sub.3, provided that when A.sup.1 is a hydrogen atom or --CH.sub.3, p is 0 and that when A.sup.1 is --CF.sub.3, p is 1 and q is an integer of 5 to 8, and an anti-ferroelectric liquid crystal composition containing at least one of two-rings-containing phenyl ester compounds of the above general formula (1) in claim 1 and either an anti-ferroelectric liquid crystal compound or a mixture of anti-ferroelectric liquid crystal compounds.
以下是通用公式(1)中含有两个环的苯酯化合物,其中R.sup.1是具有5至12个碳原子的直链烷基基团,R.sup.2是具有1至15个碳原子的直链烷基基团,X.sup.1和X.sup.2都是氢原子,或者X.sup.1和X.sup.2中的一个是氟原子,另一个是氢原子,Y.sup.1和Y.sup.2都是氢原子,或者Y.sup.1和Y.sup.2中的一个是氟原子,另一个是氢原子,A.sup.1是氢原子,-CH.sub.3或-CF.sub.3,但当A.sup.1是氢原子或-CH.sub.3时,p为0,当A.sup.1是-CF.sub.3时,p为1,q是5至8的整数,以及至少含有权利要求1中上述通用公式(1)中的两个环苯酯化合物之一和抗铁电液晶化合物或抗铁电液晶化合物混合物之一的抗铁电液晶组合物。