| abstract |
A liquid crystal alignment agent comprising: a constitution unit of 10 to 100 mole% presented by formula (1-1), and a polyamic acid consisting of a constitution unit of 90 to 0 mole% presented by formula (1-2) or a polyimide obtain by imidizing the polyamicacid. In the formula, R1 is tetravalent organic group, R2 is divalent organic group, A1 and A2 are divalent aromatic ring respectively, X is single bond, O, or S, and Q is alkylene group. |