| 摘要 |
PROBLEM TO BE SOLVED: To provide a diamine compound which can give a liquid crystal orientation agent forming a liquid crystal orientation membrane with high liquid crystal orientation, low volume resistivity and good electrical characteristics such as VHR by using for a part of raw materials of polyamic acid or its derivatives used for the liquid crystal orientation agent.SOLUTION: Diamine having a primary or secondary amino group protected with a group detached by heat in the molecule is used as a raw material of polyamic acid and its derivatives.SELECTED DRAWING: None |
