This invention provides a high polymer having the following repeating unit (I), a diene compound which is represented by the following formula (II) and is a raw material of the high polymer: ##STR1## and a ferroelectric liquid-crystalline composition containing the high polymer and a low molecular weight smectic liquid-crystalline compound. The ferroelectric liquid-crystalline composition is easy to orient and exhibits a fast response against applied electric field.
该发明提供了一种具有以下重复单元(I)的高分子,一种由以下公式(II)表示且是高分子的原材料的二烯基化合物:##STR1##以及包含高分子和低分子量液晶相的
铁电液晶组合物。
铁电液晶组合物易于定向,并对施加的电场表现出快速响应。