Ester compound
    4.
    发明授权
    Ester compound 失效
    酯化合物

    公开(公告)号:US4696759A

    公开(公告)日:1987-09-29

    申请号:US859801

    申请日:1986-05-05

    摘要: A novel ester compound exhibiting liquid crystal phases within a broad temperature range and having a low viscosity and a high compatibility with liquid crystal compounds, and a liquid crystal composition containing the same are provided, which ester compound is expressed by the formula ##STR1## wherein X represents F or Cl; Y and Z each represent H, F or Cl and when either one of Y or Z is H, the other is F or Cl and further when X is Cl, Y and Z are not both Cl; --A-- represents a member selected from the group consisting of ##STR2## and R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.

    摘要翻译: 一种在宽温度范围内显示液晶相并具有低粘度和与液晶化合物的高相溶性的新型酯化合物和含有该酯化合物的液晶组合物,其中该化合物由下式表示:其中 X表示F或Cl; Y和Z各自表示H,F或Cl,当Y或Z中的任一个为H时,另一个为F或Cl,并且当X为Cl时,Y和Z不同时为Cl; -A-表示选自 + TR 的成员,R表示 各自为1〜10个碳原子的烷基或烷氧基。

    Liquid crystal ester compound
    9.
    发明授权
    Liquid crystal ester compound 失效
    液晶酯化合物

    公开(公告)号:US4680137A

    公开(公告)日:1987-07-14

    申请号:US869682

    申请日:1986-06-02

    CPC分类号: C09K19/322 C09K2019/325

    摘要: A novel liquid crystal ester compound which is useful as a component for TN type nematic liquid crystal composition, raising its nematic-isotropic liquid phase-isotropic liquid phase transition point without increasing its viscosity and a liquid crystal composition containing the same are provided, which ester compound is expressed by the formula ##STR1## wherein R.sup.1 represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; ##STR2## represents ##STR3## Y represents -- COO--or --OCO--; any of ##STR4## n represents 0 or 1; and Z represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms, or a halogen atom of F, Cl or Br.

    摘要翻译: 可用作TN型向列型液晶组合物的组分的新型液晶酯化合物,提供其向列各向同性液相各向同性液相转变点而不增加其粘度,并且提供含有该粘度的液晶组合物 化合物由式(I)表示,其中R 1表示具有1至10个碳原子的烷基或烷氧基; 表示 Y表示 - COO-或-OCO-; n中的任何一个代表0或1; Z表示1〜10个碳原子的烷基或烷氧基,或F,Cl或Br的卤素原子。