| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compound having properties such as a broad liquid crystal temperature range around room temperature and good miscibility, a composition containing the compound and a polymer being perepared by the polymerization of the composition and having excellent optical anisotropy, etc. <P>SOLUTION: The trifunctional compound is expressed by formula (1), wherein R<SP>a</SP>is a polymerizable group such as (meth)acryloyloxy, an oxirane ring, an oxetane ring or the like; A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z is a single bond, an alkylene having 1-20 carbon atoms or the like; Y is a single bond, an alkylene having 1-20 carbon atoms or the like; and m and n are each an integer of 0-5. <P>COPYRIGHT: (C)2008,JPO&INPIT |
