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    Diamino compound and production process for the same
    2.
    发明授权
    Diamino compound and production process for the same 失效
    二氨基化合物和生产工艺相同

    公开(公告)号：US06476266B1

    公开(公告)日：2002-11-05

    申请号：US09471373

    申请日：1999-12-23

    申请人： Takahiro Mori ,  Toshiya Sawai ,  Shizuo Murata ,  Masaaki Yazawa ,  Satoshi Tanioka ,  Kumiko Hara

    发明人： Takahiro Mori ,  Toshiya Sawai ,  Shizuo Murata ,  Masaaki Yazawa ,  Satoshi Tanioka ,  Kumiko Hara

    IPC分类号： C07C21100

    CPC分类号： C07C211/50 ,  C07C2601/14

    摘要： Provided is a diamino compound suitable for obtaining a polyimide which can form a liquid crystal alignment film capable of providing a liquid crystal display element, an intermediate therefor and a production process for the same. The above production process is characterized by reacting a cyclohexylbenzene derivative represented by Formula (3): with an acid halide represented by Formula (4): by the Frieldel-Crafts reaction to produce a cyclohexylphenylcarbonyl compound, and reducing the above compound after nitrating, whereby a compound represented by Formula (1) is obtained: (wherein A1 represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; A2 represents a single bond or an alkylene group having 1 to 5 carbon atoms, and one or optional methylene groups which are not adjacent in the group may be substituted with an oxygen atom; X is Br or Cl; m represents an integer of 0 to 3, and n represents an integer of 1 to 5).

    摘要翻译： 提供一种适于获得可形成能够提供液晶显示元件的液晶取向膜的聚酰亚胺的二氨基化合物，其中间体及其制备方法。 上述制备方法的特征在于使式（3）表示的环己基苯衍生物与式（4）表示的酰卤反应：通过Frieldel-Crafts反应制备环己基苯基羰基化合物，硝化后还原上述化合物，由此 得到式（1）表示的化合物：其中，A 1表示氢原子或碳原子数1〜12的烷基，A 2表示单键或碳原子数1〜5的亚烷基， 在基团中不相邻的基团可以被氧原子取代; X是Br或Cl; m表示0〜3的整数，n表示1〜5的整数）。

    Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element
    3.
    发明授权
    Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element 有权
    聚酰胺酸组合物，液晶取向膜和液晶显示元件

    公开(公告)号：US06620339B1

    公开(公告)日：2003-09-16

    申请号：US09581852

    申请日：2000-06-19

    申请人： Itsuo Shimizu ,  Kumiko Hara ,  Haruo Kato ,  Satoshi Tanioka ,  Shizuo Murata

    发明人： Itsuo Shimizu ,  Kumiko Hara ,  Haruo Kato ,  Satoshi Tanioka ,  Shizuo Murata

    IPC分类号： C09K1912

    CPC分类号： G02F1/133723 ,  C08G73/10 ,  C08G73/1042

    摘要： The present invention provides a polyimide alignment film having excellent electrical properties and excellent reliability for use in the field of electronic materials which comprises a polyimide resin produced from a polyamic acid composition comprising a polyamic acid forming a polyimide resin of a low residual voltage and a high voltage holding ratio, and a polyamic acid forming a polyimide resin of a large pre-tilt angle, blended them in the ratio of the former to the latter of 50/50 to 95/5 (weight ratio), a polyamic acid composition for providing such a polyimide aligning film and a liquid crystal display element produced from such an aligning film.

    摘要翻译： 本发明提供了一种聚酰亚胺取向膜，其具有优异的电学性能和可靠性，在电子材料领域中使用的聚酰亚胺树脂包括由聚酰胺酸组合物制成的聚酰亚胺树脂，该聚酰亚胺树脂包含形成低残留电压和高的聚酰亚胺树脂的聚酰胺酸 电压保持率和形成大倾斜角度的聚酰亚胺树脂的聚酰胺酸，以前者与后者的比例以50/50至95/5（重量比）混合，提供用于提供 这种聚酰亚胺取向膜和由这种取向膜制成的液晶显示元件。

    Varnish composition and liquid-crystal display element
    4.
    发明授权
    Varnish composition and liquid-crystal display element 有权
    清漆组成和液晶显示元件

    公开(公告)号：US06685997B1

    公开(公告)日：2004-02-03

    申请号：US09701842

    申请日：2000-12-05

    申请人： Shizuo Murata ,  Haruo Kato ,  Satoshi Tanioka ,  Kumiko Fukui ,  Hiroshi Ono ,  Itsuo Shimizu

    发明人： Shizuo Murata ,  Haruo Kato ,  Satoshi Tanioka ,  Kumiko Fukui ,  Hiroshi Ono ,  Itsuo Shimizu

    IPC分类号： C09K1900

    CPC分类号： C08L79/08 ,  C08L77/00 ,  C09D177/00 ,  C09D179/08 ,  G02F1/133723 ,  Y10T428/1005 ,  C08L2666/20

    摘要： Provided is a varnish composition which can achieve well-balanced electrical characteristics such as a residual charge, a voltage-holding ratio and image sticking and various characteristics such as a pretilt angle, a coating property and an aligning property, which are desired to a liquid crystal alignment film which is prepared therefrom. The above varnish composition comprises a polymer component comprising a polyamide acid represented by Formula (1), a polyamide represented by Formula (2) or the polyamide represented by Formula (2) and a soluble polyimide represented by Formula (3), and a solvent, wherein the above polymer component contains 1 to 60% by weight of the polyamide represented by Formula (2), and the above varnish composition contains 0.1 to 40% by weight of the polymer component:

    摘要翻译： 提供一种清漆组合物，其可以实现良好平衡的电特性，例如残留电荷，电压保持率和图像粘附以及液体所需的各种特性如预倾角，涂布性能和取向性质 由其制备的晶体取向膜。 上述清漆组合物包含聚合物组分，其包含由式（1）表示的聚酰胺酸，由式（2）表示的聚酰胺或由式（2）表示的聚酰胺和由式（3）表示的可溶性聚酰胺，以及溶剂 ，其中上述聚合物组分含有1至60重量％的由式（2）表示的聚酰胺，并且上述清漆组合物包含0.1至40重量％的聚合物组分：

    Diamino compounds and their production method
    10.
    发明授权
    Diamino compounds and their production method 失效
    二氨基化合物及其制备方法

    公开(公告)号：US5382688A

    公开(公告)日：1995-01-17

    申请号：US162318

    申请日：1993-12-07

    申请人： Minoru Nakayama ,  Toshiya Sawai ,  Masaharu Hayakawa ,  Shizuo Murata ,  Yukino Abe

    发明人： Minoru Nakayama ,  Toshiya Sawai ,  Masaharu Hayakawa ,  Shizuo Murata ,  Yukino Abe

    IPC分类号： C07C211/50 ,  C07C211/52 ,  C08G73/10 ,  G02F1/1337 ,  C07C211/54

    CPC分类号： C07C211/50 ,  C07C211/52 ,  C08G73/10 ,  G02F1/133723 ,  C07C2101/14 ,  Y10T428/1023 ,  Y10T428/31721

    摘要： The present invention is to provide diamino compounds useful to polyamide raw materials for production of liquid crystal alignment layers having excellent voltage holding ratios without development of image-sticking phenomena, a method for producing the compounds and liquid crystal display devices equipping the liquid crystal alignment layers.The Diamino compounds are represented by the general formula (1): ##STR1## wherein R indicates hydrogen or an alkyl group having 1 to 8 carbon atoms, further, X, Y and Z indicate hydrogen, an alkyl group having 1 to 3 carbon atoms or fluorine, respectively, and a part or all of them may be the same or different, and the positions of these substitutive groups may be ortho positions or meta positions.

    摘要翻译： 本发明提供可用于生产具有优异的电压保持率的液晶取向层的聚酰胺原料的二氨基化合物而不产生图像粘附现象，该化合物的制备方法和装配液晶取向层的液晶显示装置 。 二氨基化合物由通式（1）表示：其中R表示氢或具有1至8个碳原子的烷基，另外X，Y和Z表示氢，烷基具有1至 3个碳原子或氟，其一部分或全部可以相同或不同，这些取代基的位置可以是邻位或间位。