申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:US05660762A1
公开(公告)日:1997-08-26
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 t 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.
以下是通式(1)的含有两个环的苯酯化合物,其中R1是具有5至12个碳原子的线性烷基,R2是具有1至15个碳原子的线性烷基,X1和X2均为氢原子,或者X1和X2中的一个是氟原子,另一个是氢原子,Y1和Y2均为氢原子,或者Y1和Y2中的一个是氟原子,另一个是氢原子,A1是氢原子,-CH3或-CF3,但当A1是氢原子或-CH3时,p为0,当A1为-CF3时,p为t,q是5至8的整数。还包括至少含有上述通式(1)中的两个环苯酯化合物之一和抗反铁电液晶化合物或抗反铁电液晶化合物混合物的抗反铁电液晶组合物。