利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

71 条记录 (耗时 0.027 秒)

    Polyimide and high-temperature adhesive of polyimide
    21.
    发明授权
    Polyimide and high-temperature adhesive of polyimide 失效
    聚酰亚胺和聚酰亚胺的高温粘合剂

    公开(公告)号：US5278276A

    公开(公告)日：1994-01-11

    申请号：US9091

    申请日：1993-01-26

    申请人： Masahiro Ohta ,  Saburo Kawashima ,  Yoshiho Sonobe ,  Shoji Tamai ,  Hideaki Oikawa ,  Kouji Ohkoshi ,  Akihiro Yamaguchi

    发明人： Masahiro Ohta ,  Saburo Kawashima ,  Yoshiho Sonobe ,  Shoji Tamai ,  Hideaki Oikawa ,  Kouji Ohkoshi ,  Akihiro Yamaguchi

    IPC分类号： C08G73/10 ,  C09J179/08

    CPC分类号： C08G73/105 ,  C08G73/1064 ,  C08G73/1071 ,  C09J179/08

    摘要： Polyimide having repeating units of the following formula (I) and its polyamic acid precursor having repeating units of the following formula (II) are disclosed; ##STR1## (where Y is a radical selected from the group consisting of a bond, divalent hydrocarbon having 1 to 10 carbons, hexafluorinated isopropylidene, carbonyl, thio, sulfinyl, sulfonyl and oxide, and R is a tetra-valent radical selected from the group consisting of aliphatic radical having 2 and more carbons, cyclo-aliphatic radical, monoaromatic radical, condensed polyaromatic radical, and non-condensed polyaromatic radical wherein aromatic radicals are mutually connected with a bond or a crosslinking function).Typical examples of polyimide and polyamic acid include where Y is thio radical and R is ##STR2## Y is a bond and R is III or IV, and Y is isopropylidene radical and R is IV.The polymers can be prepared from corresponding diamine and tetracarboxylic acid dianhydride.Polyimide or polyamic acid of this invention is excellent for high-temperature adhesive.

    摘要翻译： 公开了具有下式（I）的重复单元的聚酰亚胺及其具有下式（II）的重复单元的聚酰胺酸前体; （*化学结构*）（I）（*化学结构*）（II）（其中Y是选自由键，碳数1〜10的二价烃，六氟化异亚丙基，羰基，硫代，亚磺酰基， 磺酰基和氧化物，R是选自具有2个或更多个碳的脂族基团，环脂族基团，单芳族基团，缩合多芳族基团和非稠合多芳族基团中的四价基团，其中芳族基团相互连接 具有键或交联功能）。 聚酰亚胺和聚酰胺酸的典型实例包括其中Y为硫基，R为（*化学结构*）（III）（*化学结构*）（IV）Y为键，R为III或IV，Y为异丙叉基 而R是IV。 聚合物可以由相应的二胺和四羧酸二酐制备。 本发明的聚酰亚胺或聚酰胺酸对于高温粘合剂是优异的。

    Polyimide
    24.
    发明授权
    Polyimide 失效
    聚酰亚胺

    公开(公告)号：US4908409A

    公开(公告)日：1990-03-13

    申请号：US119042

    申请日：1987-11-10

    申请人： Hideaki Oikawa ,  Katsuaki Liyama ,  Nobuhito Koga ,  Saburo Kawashima ,  Shoji Tamai ,  Masahiro Ohta ,  Akihiro Yamaguchi

    发明人： Hideaki Oikawa ,  Katsuaki Liyama ,  Nobuhito Koga ,  Saburo Kawashima ,  Shoji Tamai ,  Masahiro Ohta ,  Akihiro Yamaguchi

    IPC分类号： C08G73/10

    CPC分类号： C08G73/1071 ,  C08G73/1046

    摘要： Polyimide of this invention is almost colorless and has remarkably high light transmittance as well as excellent processability and adhesive properties at high temperatures in addition to its substantial high-temperature stability.The polyimide is a novel polyimide capable of being used for space and aeronautical materials, electric and electronic members, automotive parts, and furthermore for high-temperature adhesives.The polyimide has recurring units of the following formula ##STR1## wherein X is a radical selected from the group consisting of a bond, divalent hydrocarbon radical having from 1 to 10 carbons, hexafluorinated isopropylidene radical, carbonyl radical, sulfonyl radical and thio radical, and each nitrogen atom of imide ring is located simultaneously at meta- or para-position to ether linkage.The polyimide of this invention is prepared by reacting 4,4'-(p-phenylenedioxy)diphthalic dianhydride with an ether diamine having the following general formula (V): ##STR2## and successively imidizing the resultant polyamic acid. Examples of the ether diamine used for preparing the polyamide include,2,2-bis[4-(3-aminophenoxy)phenyl]propane,2,2-bis[4-(4-aminophenoxy)phenyl]propane,2,2-bis[4-(3-aminophenoxy)phenyl]-1,1,1,3,3,3-hexafluoropropane,2,2-bis[4-(4-aminophenoxy)phenyl]-1,1,1,3,3,3-hexafluoropropane,4,4'-bis(3-aminophenoxy)biphenyl,4,4'-bis(4-aminophenoxy)biphenyl,bis[4-(3-aminophenoxy)phenyl] ketone,bis[4-(4-aminophenoxy)phenyl] ketone,bis[4-(3-aminophenoxy)phenyl] sulfide,bis[4-(4-aminophenoxy)phenyl] sulfide,bis[4-(3-aminophenoxy)phenyl] sulfone andbis[4-(4-aminophenoxy)phenyl] sulfone.

    摘要翻译： 本发明的聚酰亚胺除了具有显着的高温稳定性外，几乎是无色的，并且具有非常高的透光率以及优异的加工性和高温下的粘合性。 该聚酰亚胺是一种能用于空间和航空材料，电气和电子部件，汽车部件以及高温粘合剂的新型聚酰亚胺。 聚酰亚胺具有以下结构式的重复单元：其中X是选自键，具有1至10个碳的二价烃基，六氟化异丙叉基，羰基，磺酰基 自由基和硫基，并且酰亚胺环的每个氮原子同时位于醚键或对位至醚键。 本发明的聚酰亚胺通过使4,4' - （对亚苯基二氧基）二邻苯二甲酸二酐与具有以下通式（V）的醚二胺反应：（V）并依次酰亚胺化得到的聚酰胺酸制备。 用于制备聚酰胺的醚二胺的实例包括2,2-双[4-（3-氨基苯氧基）苯基]丙烷，2,2-双[4-（4-氨基苯氧基）苯基]丙烷， 双[4-（3-氨基苯氧基）苯基] -1,1,1,3,3,3-六氟丙烷，2,2-双[4-（4-氨基苯氧基）苯基] -1,1,1,3， 3,3'-六氟丙烷，4,4'-双（3-氨基苯氧基）联苯，4,4'-双（4-氨基苯氧基）联苯，双[4-（3-氨基苯氧基）苯基]酮，双[4-（ 双[4-（3-氨基苯氧基）苯基]硫醚，双[4-（4-氨基苯氧基）苯基]硫醚，双[4-（3-氨基苯氧基）苯基]砜和双[4 - （4-氨基苯氧基）苯基]砜。

    High-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridine
    28.
    发明授权
    High-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridine 失效
    2,6-二（3-氨基苯氧基）吡啶的高温粘合聚酰亚胺

    公开(公告)号：US4797466A

    公开(公告)日：1989-01-10

    申请号：US11907

    申请日：1987-02-06

    申请人： Hideaki Oikawa ,  Masahiro Ohta ,  Saburo Kawashima ,  Shoji Tamai ,  Yoshiho Sonobe ,  Akihiro Yamaguchi

    发明人： Hideaki Oikawa ,  Masahiro Ohta ,  Saburo Kawashima ,  Shoji Tamai ,  Yoshiho Sonobe ,  Akihiro Yamaguchi

    IPC分类号： C08G73/00 ,  C08G73/10 ,  C09J5/06 ,  C09J179/08

    CPC分类号： C08G73/105 ,  C08G73/1064 ,  C08G73/1071 ,  C08G73/1085 ,  Y10T428/31721

    摘要： This invention relates to a novel polyimide and describes method of its preparation, adhesives of the polyimide and the method for their application.The polyimide has recurring units of the formula ##STR1## (where R is a tetra-valent radical selected from the group consisting of aliphatic radical having not less than two carbons, cyclo-aliphatic radical, monoaromatic radical, condensed polyaromatic radical, and non condensed polyaromatic radical wherein aromatic radicals are mutually connected with a bond or a crosslinking function).The polyimide can be prepared by reacting 2,6-bis(3-aminophenoxy)pyridine with tetracarboxylic dianhydride in an organic solvent and imidizing resultant polyamic acid.Various tetracarboxylic dianhydrides can be used and particularly prefered are pyromellitic dianhydride and 3,3',4,4'-benzophenonetetracarboxylic dianhydride.

    摘要翻译： 本发明涉及一种新型聚酰亚胺及其制备方法，聚酰亚胺的粘合剂及其应用方法。 聚酰亚胺具有下式的重复单元：其中R是选自具有不少于2个碳的脂族基团，环脂族基团，单芳族基团，缩合多芳族基团和未缩合的四价基团 多芳基，其中芳族基团与键或交联官能团相互连接）。 聚酰亚胺可以通过2,6-二（3-氨基苯氧基）吡啶与四羧酸二酐在有机溶剂中反应制得，并酰亚胺化得到的聚酰胺酸。 可以使用各种四羧酸二酐，特别优选的是均苯四酸二酐和3,3'，4,4'-二苯甲酮四羧酸二酐。

    Readily soluble, amorphous polyimide, and preparation process of same
    29.
    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。

    Polyimide resin composition
    30.
    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。