申请人:Chisso Corporation
公开号:US04477369A1
公开(公告)日:1984-10-16
Liquid-crystalline compounds which exhibit a liquid crystalline phase within a broader temperature range and also have a high transparent point and yet a low viscosity, and liquid-crystalline compositions containing at least one kind of the above compounds are provided, which compounds are high temperature liquid-crystalline substances consisting of 4 or 5 six-member-rings, expressed by the general formula ##STR1## wherein R and R' each represent hydrogen atom or an alkyl group or an alkoxy group, each having 1 to 10 carbon atoms; ##STR2## and n represents 0 or 1.
提供了在更广温度范围内表现出液晶相并且具有高透明点但低粘度的液晶化合物,以及含有至少一种上述化合物的液晶组合物,这些化合物是由4或5个六元环组成的高温液晶物质,其通式表示为
其中R和R'分别代表氢原子或碳原子数为1到10的烷基或烷氧基;和n表示0或1。