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发明授权
US5153304A Fluorine containing diaminobenzene derivatives and its use 失效
含氟二氨基苯衍生物及其用途

Fluorine containing diaminobenzene derivatives and its use
摘要：
The present invention relates to a novel fluorine-containing diaminobenzene derivative having a perfluoroalkyl group and to a novel fluorine-containing polyimide which is produced from the said diaminobenzene as a starting material and to a novel polyimide having both a fluorine-containing group and/or a siloxane chain in the side chain thereof, the polyimide being produced from the said fluorine-containing diaminobenzene and fluorine-containing polyimide and to a liquid crystal-aligning agent with an elevated tilt angle, which contains a polyimide having a fluorine-containing group and a siloxane chain.
摘要（中）：

本发明涉及一种新型的具有全氟烷基的含氟二氨基苯衍生物和由所述二氨基苯作为起始原料制备的新的含氟聚酰亚胺和具有含氟基团和/或 其侧链中的硅氧烷链，由所述含氟二氨基苯和含氟聚酰亚胺制成的聚酰亚胺和具有高倾斜角的液晶取向剂，其含有含氟基团的聚酰亚胺和 硅氧烷链。

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