DIAMINE HAVING LIQUID CRYSTAL-LIKE STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a novel diamine useful as a liquid crystal alignment film material capable of suppressing burn-in phenomenon and of fulfilling other requirements, to provide a polyamic acid or a polyimide made from the diamine, to provide a liquid crystal alignment agent containing at least any one member selected from the polyamic acid and the polyimide, and to provide a liquid crystal alignment film using the liquid crystal alignment agent.;SOLUTION: The diamine is represented by formula (1), which is exemplified by 3-(3-(2,3-diaminophenoxy)-1-propynyl)-4-butoxy-4'-propylbiphenyl.;COPYRIGHT: (C)2008,JPO&INPIT