A liquid-crystalline polymer having the repeating units represented by the following general formula (II): ##STR1## wherein R.sup.1 is ##STR2## 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, X.sup.1 is --COO--, --O-- or a single bond, M.sup.1 is ##STR3## 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.
Liquid-crystalline compounds and liquid-crystalline polymers
申请人:Idemitsu Kosan Co., Ltd.
公开号:US05243065A1
公开(公告)日:1993-09-07
A liquid-crystalline polymer having the repeating units represented by the following general formula (II): ##STR1## wherein R.sup.1 is ##STR2## 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, X.sup.1 is --COO--, --O-- or a single bond, M.sup.1 is ##STR3## 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.