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    • 7. 发明授权
    • 액정배향처리제
    • KR100381761B1
    • 2003-12-01
    • KR1019970705558
    • 1996-02-09
    • 닛산 가가쿠 고교 가부시키 가이샤
    • 미시나마꼬또사또데루미사와하따기요시다나까아쓰꼬후꾸로히로요시
    • G02F1/1337
    • G02F1/133723Y10T428/10Y10T428/1027
    • A treating agent for liquid crystal alignment useful for formation of a liquid crystal alignment film obtained by coating a film on a substrate equipped with transparent electrodes, baking the film, and subjecting the film surface to a rubbing treatment, wherein the treating agent for liquid crystal alignment contains a polyimide precursor containing a repeating unit of the formula (I) and a solvent-soluble polyimide resin containing a repeating unit of the formula (II), and at least 1 mol% of R4 of the solvent-soluble polyimide resin of the formula (II) being a bivalent organic group constituting a diamine which has a long-chain alkyl group or fluorine-containing alkyl group with a carbon number of at least 6, and the solvent-soluble polyimide resin of the formula (II) being from 1 to 80% by weight based on the total polymer weight: (wherein each of R1 and R2 is a tetravalent organic group which constitutes tetracarboxylic acid or its derivative, each of R2 and R4 is a bivalent organic group which constitutes a diamine, and m and k are positive integers).
    • 一种用于液晶取向膜形成的处理剂,用于形成液晶取向膜,所述液晶取向膜通过在配备有透明电极的基板上涂布膜,烘烤该膜并对该膜表面进行摩擦处理而获得,其中液晶处理剂 (I)的重复单元的聚酰亚胺前体和含有式(II)的重复单元的溶剂可溶性聚酰亚胺树脂,并且至少1摩尔%的所述溶剂可溶性聚酰亚胺树脂 式(II)为构成具有碳原子数为6以上的长链烷基或含氟烷基的二胺的2价有机基团,式(II)的溶剂可溶性聚酰亚胺树脂为 基于总聚合物重量为1至80重量%:< CHEM> (其中R 1和R 2各自为构成四羧酸或其衍生物的四价有机基团,R 2和R 4中的每一个为构成二胺的二价有机基团,并且m和k为正整数)。