A liquid-crystalline polymer having the repeating units represented by the following general formula (II):
wherein R1 is
wherein
a is an integer having a value of 1 to 10,
b is an integer having a value of 0 or 1,
c is an integer having a value of 1 to 30,
X1 is -COO-, -O- or a single bond,
M1 is
and d is an integer having a value of 1 to 5.
The liquid-crystalline polymer exhibits ferroelectricity in a wide temperature range including room temperature and has a high speed of response to electric field.
具有以下通式(II)所代表的重复单元的液晶聚合物:
其中 R1 为
其中
a 是数值为 1 至 10 的整数、
b 是数值为 0 或 1 的整数
c 是数值为 1 至 30 的整数、
X1 是-COO-、-O-或单键、
M1 是
和 d 是数值为 1 至 5 的整数。
液晶聚合物在包括室温在内的较宽温度范围内具有
铁电性,并对电场具有较高的响应速度。