公开(公告)号：US06458912B1

公开(公告)日：2002-10-01

申请号：US09674916

申请日：2001-02-05

申请人： Takashi Kuroki ,  Yoshihiro Sakata ,  Tomomi Okumura ,  Atsushi Shibuya ,  Yuichi Okawa ,  Hideaki Oikawa ,  Kayako Yanagihara ,  Yasunori Yoshida ,  Masaji Yoshimura ,  Hiroyasu Kido ,  Shoji Tamai

发明人： Takashi Kuroki ,  Yoshihiro Sakata ,  Tomomi Okumura ,  Atsushi Shibuya ,  Yuichi Okawa ,  Hideaki Oikawa ,  Kayako Yanagihara ,  Yasunori Yoshida ,  Masaji Yoshimura ,  Hiroyasu Kido ,  Shoji Tamai

IPC分类号： C08G7300

CPC分类号： C08G73/1042 ,  C08G73/101 ,  C08G73/105

摘要： A thermoplastic polyimide having good thermal stability, comprising a repeating unit represented by the chemical formula (1), a molecular terminal being composed of the chemical formula (2) and/or chemical formula (3), characterized in that: a melt viscosity ratio calculated by the numerical formula (1) and/or the numerical formula (3) is within a numerical range shown in the numerical formula (2) and/or the numerical formula (4) and 1,3-bis(4-aminophenoxy)benzene represented by the chemical formula (3) for production of the above polyimide, characterized in that the content of an azo compound is from 0.0 to 0.2%. The thermoplastic polyimide of the present invention has excellent characteristics {circle around (1)} to {circle around (4)} described below. {circle around (1)} It is superior in thermal stability on melting. That is, the degree of lowering of the fluidity on melting with a lapse of time is small and it is possible to apply to conventional melt molding. {circle around (2)} It has high heat resistance. {circle around (3)} It is superior in productivity. {circle around (4)} It is superior in dimensional accuracy.

摘要翻译： 一种具有良好热稳定性的热塑性聚酰亚胺，其包含由化学式（1）表示的重复单元，由化学式（2）和/或化学式（3）组成的分子末端，其特征在于：熔体粘度比 由式（1）和/或数值式（3）计算的数值在数值式（2）和/或数值式（4）和1,3-双（4-氨基苯氧基） 由化学式（3）表示的用于制备上述聚酰亚胺的苯，其特征在于偶氮化合物的含量为0.0-0.2％。 本发明的热塑性聚酰亚胺具有以下所述的{圆周（1）}〜{圆周（4）}的特性。 {circle around（1）}熔融时的热稳定性优异。 也就是说，随着时间的流逝，熔融流动性的降低程度小，可以适用于常规的熔融成型。 {circle around（2）}它具有很高的耐热性。 {circle around（3）}它的生产力优越。 {circle around（4）}尺寸精度优越。

公开(公告)号：US06531568B1

公开(公告)日：2003-03-11

申请号：US09762260

申请日：2001-04-09

申请人： Atsushi Shibuya ,  Tomomi Okumura ,  Hideaki Oikawa ,  Yoshihiro Sakata ,  Takashi Kuroki ,  Yuichi Okawa ,  Shoji Tamai

发明人： Atsushi Shibuya ,  Tomomi Okumura ,  Hideaki Oikawa ,  Yoshihiro Sakata ,  Takashi Kuroki ,  Yuichi Okawa ,  Shoji Tamai

IPC分类号： C08G7310

CPC分类号： C08G73/10 ,  C08G73/101

摘要： This invention provides crosslinkable-group-containing polyimides of various known thermoplastic polyimide backbone structures, which are provided with far better heat resistance, chemical resistance and mechanical properties than known polyimides of the structures without impairing excellent moldability or formability, superb sliding property, low water absorption property, outstanding electrical properties, high thermal oxidation stability and high radiation resistance, all of which are inherent to the structures.

摘要翻译： 本发明提供了各种已知的热塑性聚酰亚胺骨架结构的含交联性基团的聚酰亚胺，其具有比已知结构的聚酰亚胺更好的耐热性，耐化学性和机械性能，而不损害优异的成型性或成型性，优异的滑动性，低水 吸收性能，优异的电性能，高热氧化稳定性和高耐辐射性，所有这些都是结构固有的。

公开(公告)号：US6103806A

公开(公告)日：2000-08-15

申请号：US216867

申请日：1998-12-21

申请人： Hiroyasu Kido ,  Masaji Yoshimura ,  Yasunori Yoshida ,  Kayako Yanagihara ,  Hideaki Oikawa ,  Shoji Tamai ,  Tomohito Koba

发明人： Hiroyasu Kido ,  Masaji Yoshimura ,  Yasunori Yoshida ,  Kayako Yanagihara ,  Hideaki Oikawa ,  Shoji Tamai ,  Tomohito Koba

IPC分类号： C08L79/08

CPC分类号： C08L79/08

摘要： A polyimide resin composition is disclosed herein which comprises 5 to 60% by weight of a polyimide [polyimide (1)] having a repeating unit represented by the chemical formula 1 and 40 to 95% by weight of a polyimide [polyimide (2)] having a repeating unit represented by the chemical formula 2. According to the present invention, there are provided a polymer alloy in which the advantages of the polyimide (1) and the polyimide (2) are utilized and the disadvantages of the polyimide (1) and the polyimide (2) are reduced; a polyimide resin composition from which crystalline molded articles can be obtained even by a usual molding cycle, for example, an injection molding cycle of about 30 to 60 seconds; and a polyimide resin composition from which molded articles having an excellent dimensional accuracy and flexural modulus can be obtained even by a usual molding cycle, for example, an injection molding cycle of about 30 to 60 seconds, for example, in the case that the molded articles are intended to be used at a high temperature of 230.degree. C. or more, for example, a temperature of 230 to 300.degree. C., or 230 to 250.degree. C.

摘要翻译： 本文公开了一种聚酰亚胺树脂组合物，其包含5至60重量％的具有由化学式1表示的重复单元的聚酰亚胺[聚酰亚胺（1）]和40至95重量％的聚酰亚胺[聚酰亚胺（2）] 具有由化学式2表示的重复单元。根据本发明，提供了使用聚酰亚胺（1）和聚酰亚胺（2）的优点的聚合物合金，并且聚酰亚胺（1） 并且聚酰亚胺（2）被还原; 聚酰亚胺树脂组合物，甚至可以通过通常的成型周期获得结晶模制品，例如约30至60秒的注塑周期; 以及聚酰亚胺树脂组合物，即使在通常的成型周期（例如，注射成型周期为约30〜60秒）下，也可以获得具有优异的尺寸精度和挠曲模量的成型制品，例如在成型 制品应在230℃或更高的高温下使用，例如温度为230-300℃，或230-250℃。

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。

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。

公开(公告)号：US5354839A

公开(公告)日：1994-10-11

申请号：US40608

申请日：1993-03-31

申请人： Wataru Yamashita ,  Yoshihiro Sakata ,  Toshiyuki Kataoka ,  Yuichi Okawa ,  Hideaki Oikawa ,  Tadashi Asanuma ,  Mitsunori Matsuo ,  Tsutomu Ishida ,  Keizaburo Yamaguchi ,  Akihiro Yamaguchi

发明人： Wataru Yamashita ,  Yoshihiro Sakata ,  Toshiyuki Kataoka ,  Yuichi Okawa ,  Hideaki Oikawa ,  Tadashi Asanuma ,  Mitsunori Matsuo ,  Tsutomu Ishida ,  Keizaburo Yamaguchi ,  Akihiro Yamaguchi

IPC分类号： C07C217/90 ,  C08G73/10 ,  H05K1/00 ,  H05K1/03 ,  C08G69/26

CPC分类号： C08G73/105 ,  C07C217/90 ,  C08G73/10 ,  C08G73/1014 ,  C08G73/1017 ,  H05K1/0346 ,  H05K3/4676

摘要： A polyimide comprising a requisite structural unit having one or more recurring structural units of the formula: ##STR1## such as the structural units of the formula ##STR2## The polyimide can have an extremely low dielectric constant and is colorless, transparent and excellent in processability and heat resistance, and also provides an aromatic diamine which is useful as a raw material monomer of the polyimide or a raw material of other various engineering plastics.

摘要翻译： 一种聚酰亚胺，其包含具有一个或多个下式的重复结构单元的必需结构单元：例如下式的结构单元：该聚酰亚胺可以具有极低的介电常数，为无色透明且加工性优异 和耐热性，并且还提供可用作聚酰亚胺的原料单体或其它各种工程塑料的原料的芳族二胺。

公开(公告)号：US5990261A

公开(公告)日：1999-11-23

申请号：US917387

申请日：1997-08-26

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

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

IPC分类号： C08G69/42 ,  C08G69/12 ,  C08G69/32 ,  C08G69/40 ,  C08G73/10 ,  C08G63/00 ,  C08G69/26

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

摘要： A low birefringent organic optical component prepared from a resin consisting essentially of 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## The organic optical component can exhibit excellent transparency, heat resistance and mechanical strength as well as a low birefringence. Also provided is 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： 由基本上由选自由通式（1）表示的结构的一个或多个重复结构单元组成的树脂制成的低双折射有机光学部件; 其中A是下面的组之一。 有机光学部件可以表现出优异的透明性，耐热性和机械强度以及低双折射性。 还提供了具有低介电常数和优异的透明性，加工性和热稳定性的新型芳族聚酰胺，以及芳族聚酰胺固有的优异的耐热性。

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。

公开(公告)号：US6080833A

公开(公告)日：2000-06-27

申请号：US896008

申请日：1997-07-17

申请人： Atsuo Otsuji ,  Keisuke Takuma ,  Rihoko Suzuki ,  Tatsuhiro Urakami ,  Toshihiro Motoshima ,  Wataru Yamashita ,  Tomomi Yoshimura ,  Atsushi Shibuya ,  Yoshihiro Sakata ,  Hideaki Oikawa ,  Masahiro Ohta ,  Masanobu Ajioka ,  Masatoshi Takagi ,  Akio Karasawa

发明人： Atsuo Otsuji ,  Keisuke Takuma ,  Rihoko Suzuki ,  Tatsuhiro Urakami ,  Toshihiro Motoshima ,  Wataru Yamashita ,  Tomomi Yoshimura ,  Atsushi Shibuya ,  Yoshihiro Sakata ,  Hideaki Oikawa ,  Masahiro Ohta ,  Masanobu Ajioka ,  Masatoshi Takagi ,  Akio Karasawa

IPC分类号： C08G83/00 ,  C08F222/10 ,  C08G18/32 ,  C08G59/17 ,  C08G59/24 ,  C08G63/193 ,  C08G63/672 ,  C08G64/06 ,  C08G73/10 ,  G11B7/243 ,  G11B7/253 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2535 ,  G11B7/2536 ,  G11B7/257 ,  G11B7/2578 ,  G11B7/258 ,  G11B7/2585 ,  C08G64/00

CPC分类号： G11B7/2535 ,  C08F222/1006 ,  C08G18/3215 ,  C08G59/1466 ,  C08G59/245 ,  C08G63/193 ,  C08G63/672 ,  C08G64/06 ,  C08G73/105 ,  G11B7/2533 ,  G11B7/2534 ,  G11B2007/24304 ,  G11B7/2536 ,  G11B7/2578 ,  G11B7/2585

摘要： A low-birefringent organic optical component comprising a polymer prepared by polymerizing a racemic mixture of the monomer with an asymmetric spiro ring represented by general formula (1) as an essential ingredient; wherein ring A represents a monocyclic or polycyclic organic group, wherein two ring As are mutually bound each other via a spiro bond to form a spiro ring which has a molecular asymmetric structure; n is an integer of 0 to 10; X.sub.1 and Y.sub.1 are binding groups; and Z.sub.1 is a polymerization-active group. The component has excellent transparency, mechanical strength and heat resistance, as well as a low birefringence.

摘要翻译： 一种低双折射有机光学元件，包括通过将单体的外消旋混合物与通式（1）表示的不对称螺环作为必要成分聚合而制备的聚合物; 其中环A表示单环或多环有机基团，其中两个环彼此通过螺键彼此相互结合以形成具有分子不对称结构的螺环; n为0〜10的整数。 X1和Y1是结合基团; Z1是聚合活性基团。 该组分具有优异的透明性，机械强度和耐热性，以及低双折射。

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。