发明名称 |
ALIGNING AGENT FOR LIQUID CRYSTAL |
摘要 |
<p>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: <CHEM> (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).</p> |
申请公布号 |
EP0810463(A1) |
申请公布日期 |
1997.12.03 |
申请号 |
EP19960901974 |
申请日期 |
1996.02.09 |
申请人 |
NISSAN CHEMICAL INDUSTRIES, LIMITED |
发明人 |
MISHINA, MAKOTO;SATO, TERUMI;SAWAHATA, KIYOSHI;TANAKA, ATSUKO;FUKURO, HIROYOSHI |
分类号 |
C08L79/04;C08L79/08;G02F1/1337;(IPC1-7):G02F1/133 |
主分类号 |
C08L79/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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