申请人:Chisso Corporation
公开号:US04659500A1
公开(公告)日:1987-04-21
A novel ester derivative affording a positive large dielectric anisotropy value (.DELTA..epsilon.) of liquid crystal compositions and also reducing the optical anisotropy value (.DELTA.n) thereof when the derivative is contained therein, and a liquid crystal composition containing the ester derivative are provided, which ester derivative is expressed by the formula ##STR1## wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms and X represents F or Cl.
提供一种新的酯衍生物,可以为液晶组分提供正的大介电畸变值(Δε),并且当该衍生物被包含在其中时,可以减少其光学畸变值(Δn),以及含有该酯衍生物的液晶组分。该酯衍生物的化学式为##STR1## 其中R代表1到10个碳原子的烷基或烷氧基,X代表F或Cl。