Title:
LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/013339
Kind Code:
A1
Abstract:
The present invention contains: a polyimide precursor, which is obtained from a tetracarboxylic acid component and a diamine component including a diamine having a specific side-chain structure and a diamine having the structure represented by formula (1); and/or a polyimide polymer being an imidized product of said polyimide precursor (in formula (1), R1 represents a hydrogen atom, an alkyl or fluoroalkyl group having 1-5 carbon atoms, a tert-butoxycarbonyl group, or a monovalent organic group, "*" represents a site that binds to another group, and any hydrogen atom forming the benzene ring may be substituted by a monovalent organic group).
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Inventors:
GUNJI RIE (JP)
OTA SYOTARO (JP)
FUJIEDA TSUKASA (JP)
OTA SYOTARO (JP)
FUJIEDA TSUKASA (JP)
Application Number:
PCT/JP2018/026579
Publication Date:
January 17, 2019
Filing Date:
July 13, 2018
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
G02F1/1337; C08G73/10
Domestic Patent References:
| WO2017047596A1 | 2017-03-23 | |||
| WO2014189128A1 | 2014-11-27 | |||
| WO2018097155A1 | 2018-05-31 |
Foreign References:
| JP2005351924A | 2005-12-22 |
Attorney, Agent or Firm:
KURIHARA, Hiroyuki et al. (JP)
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