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1. (WO2018038160) LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT

Pub. No.:    WO/2018/038160    International Application No.:    PCT/JP2017/030130
Publication Date: Fri Mar 02 00:59:59 CET 2018 International Filing Date: Thu Aug 24 01:59:59 CEST 2017
IPC: G02F 1/1337
C08L 79/08
Applicants: NISSAN CHEMICAL CORPORATION
日産化学株式会社
Inventors: YAMAGIWA, Hiroki
山極 大輝
Title: LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT
Abstract:
This liquid crystal alignment agent is characterized by containing: at least one type of polymer selected from the group consisting of polyimides and polyimide precursors; and an organic solvent containing solvents specified by group (A) and group (B). Group (A): at least one type of solvent selected from N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone, and γ-butyrolactone. Group (B): at least one type of solvent selected from 4-methoxy-4-methyl-2-pentanone, 4-hydroxy-2-butanone, and 2-methyl-2-hexanol.