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    Polyamic acid, polyimide, process for producing these, and film of the polyimide
    1.
    发明授权
    Polyamic acid, polyimide, process for producing these, and film of the polyimide 有权
    聚酰胺酸，聚酰亚胺，其制造方法和聚酰亚胺薄膜

    公开(公告)号：US06710160B2

    公开(公告)日：2004-03-23

    申请号：US10088481

    申请日：2002-03-20

    申请人： Wataru Yamashita ,  Katsuji Watanabe ,  Hideaki Oikawa ,  Hisato Ito

    发明人： Wataru Yamashita ,  Katsuji Watanabe ,  Hideaki Oikawa ,  Hisato Ito

    IPC分类号： C08G7310

    CPC分类号： G01N33/54346 ,  C08G73/10 ,  C08G73/1082

    摘要： Disclosed are a polyamic acid having repeating units represented by the formula (1): wherein the norbornane skeleton of comprises four components of and their contents satisfy the following: 1%≦2,5-[diexo]≦90%, 1%≦2,5-[exo,endo]≦90%, 1%≦2,6-[diexo]≦90%, 1% ≦2,6-[exo,endo]≦90%, provided that (2,5-[diexo])+(2,5-[exo,endo])+(2,6-[diexo])+(2,6-[exo,endo])=100%, R represents from 4 to 27 carbon atoms, and represents a tetravalent group selected from the group consisting of an aliphatic group, a monocyclic aliphatic group, a condensed polycyclic aliphatic group, a monocyclic aromatic group, a condensed polycyclic aromatic group, and a non-condensed polycyclic aliphatic or aromatic group which is composed of cycloaliphatic or aromatic groups mutually bonded to each other either directly or via a crosslinking member; and a polyimide which is obtained by imidizing the polyamic acid and which has good properties intrinsic to polyimides, or that is, thermal resistance, mechanical properties, slidability, low water absorption, electric properties and radiation resistance intrinsic thereto. By varying the composition ratio of the starting diamine isomers, various polyimides having controlled thermal resistance, melt flowability, optical properties, chemical resistance and electric properties and capable of forming films of various forms can be obtained.

    摘要翻译： 公开了具有由式（1）表示的重复单元的聚酰胺酸：其中含有四种成分及其含量的降冰片烷骨架满足以下条件：1％<= 2,5- [阴离子] <= 90％，1％<= 2,5- [外，内] <= 90％，1％<= 2,6- [阴离子] <= 90％，1％<= 2,6- [外，内] <= 90％ 表示4〜27个碳原子，表示选自脂肪族基团，单环脂族基团，缩合多环脂族基团，单环芳香族基团，缩合多环芳香族基团和未缩合的四价基团 由脂环族或芳族基团组成的多环脂肪族或芳香族基团直接或通过交联成分彼此相互结合; 和通过酰亚胺化聚酰胺酸而获得的聚酰亚胺，其具有聚酰亚胺所固有的良好性能，或者其本身具有的热阻，机械性能，滑动性，低吸水性，电性能和耐辐射性。 通过改变起始二胺异构体的组成比，可以获得具有受控热阻，熔体流动性，光学性能，耐化学性和电性能并且能够形成各种形式的膜的各种聚酰亚胺。

    Polyimide resin composition
    4.
    发明授权
    Polyimide resin composition 失效
    聚酰亚胺树脂组合物

    公开(公告)号：US5494996A

    公开(公告)日：1996-02-27

    申请号：US277568

    申请日：1994-07-20

    申请人： Shoji Tamai ,  Yuichi Okawa ,  Wataru Yamashita ,  Yoshihiro Sakata ,  Hideaki Oikawa ,  Keizaburo Yamaguchi ,  Tadashi Asanuma ,  Akihiro Yamaguchi ,  Mitsunori Matsuo

    发明人： Shoji Tamai ,  Yuichi Okawa ,  Wataru Yamashita ,  Yoshihiro Sakata ,  Hideaki Oikawa ,  Keizaburo Yamaguchi ,  Tadashi Asanuma ,  Akihiro Yamaguchi ,  Mitsunori Matsuo

    IPC分类号： C08L71/10 ,  C08G73/10 ,  C08L71/08 ,  C08L79/04 ,  C08L79/08

    CPC分类号： C08L79/08 ,  C08L79/04

    摘要： A polyimide resin composition substantially comprising 1 99.9.about.50 parts by weight of polyimide having recurring structural units of the formula ##STR1## and 2 0.1.about.50 parts by weight of a polyimide which improved melt flowability and is prepared by using 1,3-bis(3-aminophenoxy)benzene or 6,6'-bis(3-aminophenoxy)-3,3,3',3'-tetramethyl-1,1'-spirobiindane as essential diamine component, or polyether pyridine having recurring structural units of the formula: ##STR2## is disclosed. Further, a polyimide based resin composition comprising the polyimide resin composition or a polyimide copolymer obtained by using the above diamines and a fibrous reinforcement is disclosed. These compositions have remarkably good processability, excellent heat stability and repeated fatigue characteristics.

    摘要翻译： 一种聚酰亚胺树脂组合物，其基本上包含+ E，crc / 1 / 99.9差异50重量份具有式（1）的重复结构单元的聚酰亚胺和+ E，crc / 2 / 0.1差异50重量份的 通过使用1,3-双（3-氨基苯氧基）苯或6,6'-双（3-氨基苯氧基）-3,3,3'，3'-四甲基-1,1' - 螺环丁烷作为必需二胺组分，或具有下式重复结构单元的聚醚吡啶：。 此外，公开了一种聚酰亚胺系树脂组合物，其包含使用上述二胺和纤维增强剂而得到的聚酰亚胺树脂组合物或聚酰亚胺共聚物。 这些组合物具有非常好的加工性能，优异的热稳定性和重复的疲劳特性。

    Fluorine-containing polyamide
    6.
    发明授权
    Fluorine-containing polyamide 失效
    含氟聚酰胺

    公开(公告)号：US6103860A

    公开(公告)日：2000-08-15

    申请号：US332534

    申请日：1999-06-14

    申请人： Wataru Yamashita ,  Tomomi Yoshimura ,  Atsushi Shibuya ,  Yoshihiro Sakata ,  Hideaki Oikawa ,  Masahiro Ohta

    发明人： Wataru Yamashita ,  Tomomi Yoshimura ,  Atsushi Shibuya ,  Yoshihiro Sakata ,  Hideaki Oikawa ,  Masahiro Ohta

    IPC分类号： C08G69/42 ,  C08G69/12 ,  C08G69/32 ,  C08G69/40 ,  C08G73/10 ,  C08G69/02

    CPC分类号： C08G69/40 ,  C08G69/32 ,  C08G73/1039

    摘要： There is disclosed an organic optical component prepared from a resin essentially comprising one or more repetitive structural units selected from the group consisting of structures represented by general formula (1); ##STR1## wherein A is either of the groups below. ##STR2## This invention provides an organic optical component with excellent transparency, heat resistance and mechanical strength as well as a low birefringence. This invention also provides a novel aromatic polyamide with a low permitivity and excellent transparency, processability and thermal stability, besides excellent heat resistance inherent in an aromatic polyamide.

    摘要翻译： 公开了一种由基本上包含一个或多个重复结构单元的树脂制备的有机光学组件，所述重复结构单元选自由通式（1）表示的结构; 其中A是下面的组之一。 本发明提供了具有优异的透明性，耐热性和机械强度以及低双折射性的有机光学部件。 本发明还提供了芳香族聚酰胺固有的耐热性优异的低介电常数和优异的透明性，加工性和热稳定性的芳香族聚酰胺。

    Readily soluble, amorphous polyimide, and preparation process of same
    7.
    发明授权
    Readily soluble, amorphous polyimide, and preparation process of same 失效
    易溶，无定形聚酰亚胺及其制备方法相同

    公开(公告)号：US5480965A

    公开(公告)日：1996-01-02

    申请号：US280551

    申请日：1994-07-26

    申请人： Wataru Yamashita ,  Yuichi Okawa ,  Hideaki Oikawa ,  Tadashi Asanuma ,  Yuko Ishihara ,  Mitsunori Matsuo ,  Keizaburo Yamaguchi ,  Akihiro Yamaguchi ,  Shoji Tamai

    发明人： Wataru Yamashita ,  Yuichi Okawa ,  Hideaki Oikawa ,  Tadashi Asanuma ,  Yuko Ishihara ,  Mitsunori Matsuo ,  Keizaburo Yamaguchi ,  Akihiro Yamaguchi ,  Shoji Tamai

    IPC分类号： C07C201/12 ,  C07C205/45 ,  C07C221/00 ,  C07C225/22 ,  C08G73/10 ,  C08G73/12 ,  C08J5/18 ,  C08L79/08 ,  C08G69/26 ,  C08L77/00

    CPC分类号： C08G73/10 ,  C08G73/1007 ,  C08G73/1014 ,  C08G73/1017 ,  C08G73/1067 ,  Y10T428/31504 ,  Y10T428/31721

    摘要： This invention relates to a novel thermoplastic and amorphous polyimide which is readily soluble in organic solvent, a novel aromatic diamino compound used for the polyimide, a preparation process thereof, a polyimide-based resin composition comprising the thermoplastic polyimide and a fibrous reinforcement, a process for preparing the resin composition, an injection molded article of the resin composition, a polyimide-based composite obtained by molding the above soluble and thermoplastic polyimide in combination with a fibrous reinforcement, and a fibrous reinforcement having a surface modified with the above polyimide.The polyimide comprise a requisite structural unit having one or more recurring structural units of the formula: ##STR1## wherein m and n are individually an integer of 0 or 1, and R is ##STR2## The polyimide of the invention is essentially amorphous, excellent in melt flow stability in the decreased temperature as compared with conventionally known polyimide and has greatly improved processability.The polyimide of the invention obtained by using a novel aromatic diamino compound as a monomer can control various properties such as melt flow ability and solubility in solvents by side chains and not by principal chain of polyimide. Thus, excellent melt flow property and solubility in solvents can be obtained while maintaining high heat resistance and adhesive property which are derived from benzophenone structure of the diamino compound of the the invention.

    摘要翻译： 本发明涉及易溶于有机溶剂的新型热塑性和无定形聚酰亚胺，用于聚酰亚胺的新型芳族二氨基化合物及其制备方法，包含热塑性聚酰亚胺和纤维增强剂的聚酰亚胺基树脂组合物， 用于制备树脂组合物的树脂组合物的注塑制品，通过将上述可溶性和热塑性聚酰亚胺与纤维增强剂组合成型而获得的聚酰亚胺类复合材料和具有用上述聚酰亚胺改性的表面的纤维增强剂。 聚酰亚胺包含必需的结构单元，其具有一个或多个下式的重复结构单元：其中m和n分别为0或1的整数，R为本发明的聚酰亚胺基本上为 与常规已知的聚酰亚胺相比，在降低的温度下的熔体流动稳定性优异并且具有极大的改进的加工性。 通过使用新颖的芳族二氨基化合物作为单体获得的本发明的聚酰亚胺可以通过侧链而不是聚酰亚胺的主链来控制各种性能如熔体流动性和在溶剂中的溶解度。 因此，在保持由本发明的二氨基化合物的二苯甲酮结构得到的高耐热性和粘合性的同时，可以获得优异的熔体流动性和溶剂中的溶解性。

    Polyimides, process for the preparation thereof and polyimide resin compositions
    8.
    发明授权
    Polyimides, process for the preparation thereof and polyimide resin compositions 失效
    聚酰亚胺，其制备方法和聚酰亚胺树脂组合物

    公开(公告)号：US5380805A

    公开(公告)日：1995-01-10

    申请号：US143105

    申请日：1993-10-29

    申请人： Shoji Tamai ,  Masahiro Ohta ,  Saburo Kawashima ,  Katsuaki Iiyama ,  Hideaki Oikawa ,  Akihiro Yamaguchi ,  Kouji Ohkoshi ,  Masao Yoshikawa

    发明人： Shoji Tamai ,  Masahiro Ohta ,  Saburo Kawashima ,  Katsuaki Iiyama ,  Hideaki Oikawa ,  Akihiro Yamaguchi ,  Kouji Ohkoshi ,  Masao Yoshikawa

    IPC分类号： C08G73/10 ,  C08L79/08

    CPC分类号： C08G73/1042 ,  C08G73/105 ,  C08G73/1071 ,  C08L79/08

    摘要： In one aspect, the present invention relates to polyimides having excellent thermal resistance and process for preparing the same comprising carrying out condensation of 4,4'-bis(3-aminophenoxy)biphenyl with pyromellitic dianhydride in the presence of a different diamine compound and optionally with a different tetracarboxylic acid dianhydride.In a second aspect, the present invention relates to a heat resistant resin composition consisting essentially of an aromatic polyetherimide and a defined polyimide.In a third aspect, the present invention relates to a polyimide resin composition comprised on a defined polyimide and a separate high-temperature engineering polymer.In a fourth aspect, the present invention relates to a resin composition comprised of a defined polyimide and an aromatic polyamideimide.

    摘要翻译： 一方面，本发明涉及具有优异耐热性的聚酰亚胺及其制备方法，包括在不同的二胺化合物和任选地存在下进行4,4'-双（3-氨基苯氧基）联苯与均苯四酸二酐的缩合 与不同的四羧酸二酐。 在第二方面，本发明涉及一种主要由芳族聚醚酰亚胺和所定义的聚酰亚胺组成的耐热树脂组合物。 在第三方面，本发明涉及包含在限定的聚酰亚胺和单独的高温工程聚合物上的聚酰亚胺树脂组合物。 在第四方面，本发明涉及由限定的聚酰亚胺和芳族聚酰胺酰亚胺组成的树脂组合物。

    Thermally stable polyimide and preparation process of polyimide
    9.
    发明授权
    Thermally stable polyimide and preparation process of polyimide 失效
    聚酰亚胺热稳定剂及其制备方法

    公开(公告)号：US5286840A

    公开(公告)日：1994-02-15

    申请号：US795750

    申请日：1991-11-21

    申请人： Hideaki Oikawa ,  Nobuhito Koga ,  Akihiro Yamaguchi ,  Shoji Tamai

    发明人： Hideaki Oikawa ,  Nobuhito Koga ,  Akihiro Yamaguchi ,  Shoji Tamai

    IPC分类号： C08G73/10 ,  C08G69/26

    CPC分类号： C08G73/1071 ,  C08G73/1014

    摘要： A thermally stable polyimide which is blocked at the polymer terminal with a dicarboxylic acid anhydride represented by the formula (III): ##STR1## wherein Z is a divalent radical selected from the group consisting of a monoaromatic radical which is substantially unsubstituted or substituted with a radical having no reactivity with amine or dicarboxylic acid anhydride and has from 6 to 15 carbon atoms, a condensed polyaromatic radical or a noncondensed aromatic radical connected each other with a direct bond or a bridge member, and has a fundamental skeleton represented by recurring structural units of the formula (IV): ##STR2## and a process of preparing the polyimide.

    摘要翻译： 在聚合物末端用由式（III）表示的二羧酸酐封闭的热稳定聚酰亚胺：（*化学结构*）（III）其中Z是选自以下的二价基团：单芳族基团，其为 基本上未被取代或被不与胺或二羧酸酐反应的基团或具有6至15个碳原子的基团取代，稠合的多芳族基团或非缩合的芳族基团彼此直接连接或桥接，并具有基本的 由式（IV）的重复结构单元表示的骨架：（*化学结构*）（IV）和制备聚酰亚胺的方法。