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1. (WO2013115228) NOVEL DIAMINE, POLYMER, LIQUID CRYSTAL ALIGNMENT AGENT, AND LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME

Pub. No.:    WO/2013/115228    International Application No.:    PCT/JP2013/052003
Publication Date: Fri Aug 09 01:59:59 CEST 2013 International Filing Date: Thu Jan 31 00:59:59 CET 2013
IPC: C08G 73/10
G02F 1/1337
Applicants: NISSAN CHEMICAL INDUSTRIES, LTD.
日産化学工業株式会社
Inventors: NODA, Takahiro
野田 尚宏
MOCHIZUKI, Oki
望月 大
SAKUMA, Daisuke
佐久間 大輔
Title: NOVEL DIAMINE, POLYMER, LIQUID CRYSTAL ALIGNMENT AGENT, AND LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME
Abstract:
A polymer comprising a polyimide obtained by dewatering cyclization (imidization) of a polyamide, polyamic acid, polyamic acid ester, or the polyamic acid and/or polyamic acid ester obtained using a diamine represented by general formula [1]. (In the formula, A represents a thermally desorbable organic group; n number of NHA groups are provided (n = 1 or 2), and the NHA groups are present at the ortho position with respect to the amino groups (NH2 groups); and the amino groups are present at the meta position or the para position.)