专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US5470943A Polyimide 失效
标题翻译：聚酰亚胺
公开(公告)号：US5470943A
公开(公告)日：1995-11-28
申请号：US360584
申请日：1994-12-21
申请人： Yoshihiro Sakata , Wataru Yamashita , Yuichi Okawa , Shoji Tamai , Tsutomu Ishida , Mitsunori Matsuo , Keizaburo Yamaguchi , Akihiro Yamaguchi
发明人： Yoshihiro Sakata , Wataru Yamashita , Yuichi Okawa , Shoji Tamai , Tsutomu Ishida , Mitsunori Matsuo , Keizaburo Yamaguchi , Akihiro Yamaguchi
IPC分类号： C08G73/10 , C08G77/10 , C07D213/69 , C08G69/26
CPC分类号： C08G73/1039 , C08G73/1085
摘要： This invention relates to a novel fluorine-containing polyimide or polyimide copolymer being colorless and having transparency and very low dielectric characteristics, and has a novel aromatic diamino compound used for the polyimide, a preparation process thereof, a polyimide-based resin composition comprising the polyimide or polyimide copolymer and a fibrous reinforcement, a process for preparing the resin composition, an injection molded article of the resin composition.The polyimide comprise a requisite structural unit having one or more recurring structural units of the formula: ##STR1## wherein Ar is a tetravalent radical having 6 to 27 carbon atoms and being selected from the group consisting of a monoaromatic radical, condensed polyaromatic radical and noncondensed polyaromatic radical having aromatic radicals connected to each other with a direct bond or a bridge member, a trifluoromethyl radical is situated at the 3- or the 4-position on a pyridine nucleus, and an imide nitrogen atom is connected at the 3- or the 4-position to an ether bond.The polyimide or polyimide copolymer has excellent heat resistance, outstanding melt-flow stability and greatly improved processability, and also is colorless and has high transparency and very low dielectric coefficient, and can be expected to be used as raw materials for electric.cndot.electronic appliances and optical instruments due to the above characteristics.
摘要翻译：本发明涉及一种新颖的含氟聚酰亚胺或聚酰亚胺共聚物，其具有透明性和非常低的介电特性，并且具有用于聚酰亚胺的新型芳族二氨基化合物及其制备方法，该聚酰亚胺系树脂组合物含有聚酰亚胺或聚酰亚胺共聚物和纤维增强剂，树脂组合物的制备方法，树脂组合物的注塑制品。聚酰亚胺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：其中Ar是具有6至27个碳原子的四价基团，并且选自单芳族基团，缩合多芳族基团具有芳族基团的自由基和非缩合多芳族基团彼此直接键合或桥接成员，三氟甲基位于吡啶核上的3-或4-位，酰亚胺氮原子连接在3 - 或4-位到醚键。聚酰亚胺或聚酰亚胺共聚物具有优异的耐热性，优异的熔体流动稳定性和极好的加工性，并且是无色的，具有高透明度和非常低的介电系数，并且可以预期用作电气电子设备的原料光学仪器由于上述特点。

32. 发明授权

US5322962A Aromatic diamine intermediates useful in the preparation of polyimide 失效
标题翻译：芳族二胺中间体可用于制备聚酰亚胺
公开(公告)号：US5322962A
公开(公告)日：1994-06-21
申请号：US59758
申请日：1993-05-12
申请人： Shoji Tamai , Keizaburo Yamaguchi , Yuko Ishihara , Saburo Kawashima , Hideaki Oikawa , Toshiyuki Kataoka , Akihiro Yamaguchi
发明人： Shoji Tamai , Keizaburo Yamaguchi , Yuko Ishihara , Saburo Kawashima , Hideaki Oikawa , Toshiyuki Kataoka , Akihiro Yamaguchi
IPC分类号： C07C225/22 , C08G73/10
CPC分类号： C08G73/10 , C07C225/22 , C08G73/1067 , C08G73/1078
摘要： Disclosed are a novel aromatic diamine; a polymide comprising 1,3-bis(3-aminobenzoyl)benzene or 4,4'-bis(3-aminobenzoyl)biphenyl as a diamine component and having recurring structural units represented by the formula (III): ##STR1## wherein R is a tetravalent radical selected from the group consisting of an aliphatic radical having from 2 to 27 carbon atoms, alicyclic radical, monoaromatic radical, condensed polyaromatic radical, and noncondensed aromatic radical connected each other with a direct bond or a bridge member, and X is a divalent radical of ##STR2## and a polyimide having a terminal aromatic group which is essentially unsubstituted or substituted with a radical having no reactivity with amines or dicarboxylic acid anhydrides or a composition comprising said polyimide.
摘要翻译：公开了一种新型芳族二胺; （III）所示的具有重复结构单元的1,3-二（3-氨基苯甲酰基）苯或4,4'-双（3-氨基苯甲酰基）联苯的聚酰亚胺作为二胺成分，其中R是选自具有2至27个碳原子的脂肪族基团，脂环族基团，单芳族基团，缩合多芳族基团和与直接键合或桥接成员相互连接的非缩合芳族基团的四价基团，以及 X是的二价基团和具有基本上未被取代的末端芳基或被不与胺或二羧酸酐反应的基团取代的聚酰亚胺或包含所述聚酰亚胺的组合物。

33. 发明授权

US5231160A Aromatic diamine compound, preparation process of same and polyimide prepared from same 失效
标题翻译：芳族二胺化合物，其制备方法和由其制备的聚酰胺
公开(公告)号：US5231160A
公开(公告)日：1993-07-27
申请号：US752053
申请日：1991-08-29
申请人： Shoji Tamai , Keizaburo Yamaguchi , Yuko Ishihara , Saburo Kawashima , Hideaki Oikawa , Toshiyuki Kataoka , Akihiro Yamaguchi
发明人： Shoji Tamai , Keizaburo Yamaguchi , Yuko Ishihara , Saburo Kawashima , Hideaki Oikawa , Toshiyuki Kataoka , Akihiro Yamaguchi
IPC分类号： C07C225/22 , C08G73/10
CPC分类号： C08G73/10 , C07C225/22 , C08G73/1067 , C08G73/1078
摘要： A novel aromatic diamine; a polyimide comprising 1,3-bis(3-aminobenzoyl)benzene or 4,4'-bis(3-aminobenzoyl)biphenyl as a diamine component and having recurring structural units represented by the formula (III): ##STR1## wherein R is a tetravalent radical selected from the group consisting of an aliphatic radical having from 2 to 27 carbon atoms, alicyclic radical, monoaromatic radical, condensed polyaromatic radical, and noncondensed aromatic radical connected each other with a direct bond or a bridge member, and X is a divalent radical of ##STR2## and a polyimide having a terminal aromatic group which is essentially unsubstituted or substituted with a radical having no reactivity with amines or dicarboxylic acid anhydrides or a composition comprising said polyimide.

34. 发明授权

US5077436A Bis(3-aminophenoxy) aromatics and method of preparing the same 失效
标题翻译：双（3-氨基苯氧基）芳烃及其制备方法
公开(公告)号：US5077436A
公开(公告)日：1991-12-31
申请号：US831547
申请日：1986-02-21
申请人： Yukihiro Yoshikawa , Keizaburo Yamaguchi , Kenichi Sugimoto , Yoshimitsu Tanabe , Akihiro Yamaguchi
发明人： Yukihiro Yoshikawa , Keizaburo Yamaguchi , Kenichi Sugimoto , Yoshimitsu Tanabe , Akihiro Yamaguchi
IPC分类号： C04B7/32 , C04B7/345 , C04B28/02 , C07C205/38 , C07C217/90
CPC分类号： C07C213/02 , C07C201/12 , C07C319/20 , C07C2103/94
摘要： Bis(3-nitrophenoxy) derivatives of aromatic or bridged aromatic hydrocarbons are derived from m-dinitrobenzene and dihydroxy derivatives of said hydrocarbons and certain substituted derivatives thereof by a condensation reaction in dipolar aprotic solvents in the presence of bases. The bis(3-nitrophenoxy) derivatives and derivatives obtained are successively reduced to afford bis-(3-aminophenoxy)derivatives. This is a new method for reacting the dihydroxy-derivatives with m-dinitrobenzene, and hence can prepare novel bis(3-aminophenoxy) derivatives such as 4,4'-bis(3-amino-phenoxy)biphenyl, 1-[4-(3-aminophenoxy)phenyl]-1,3,3-trimethyl-6-(3-aminophenoxy)indan, 6,6'-bis(3-aminophenoxy)3,3,3',3'-tetramethyl-1,1'spirobiindan, and methyl substituted 2,2'-bis[4-(3-aminophenoxy)phenyl]propane.
摘要翻译：芳基或桥连芳烃的双（3-硝基苯氧基）衍生物衍生自所述烃的间二硝基苯和二羟基衍生物及其取代的衍生物，其在碱存在的情况下通过偶极非质子溶剂中的缩合反应。将所得的双（3-硝基苯氧基）衍生物和衍生物连续地还原得到双 - （3-氨基苯氧基）衍生物。这是使二羟基衍生物与间二硝基苯反应的新方法，因此可以制备新的双（3-氨基苯氧基）衍生物，如4,4'-双（3-氨基 - 苯氧基）联苯，1- [4- （3-氨基苯氧基）苯基] -1,3,3-三甲基-6-（3-氨基苯氧基）茚满，6,6'-双（3-氨基苯氧基）3,3,3'，3'-四甲基-1， 1'-螺二茚并和甲基取代的2,2'-双[4-（3-氨基苯氧基）苯基]丙烷。

35. 发明授权

US5051494A Thermosetting resin composition comprising an aromatic amine 失效
标题翻译：包含芳族胺的热固性树脂组合物
公开(公告)号：US5051494A
公开(公告)日：1991-09-24
申请号：US511235
申请日：1990-04-19
申请人： Keizaburo Yamaguchi , Yoshimitsu Tanabe , Tatshuiro Urakami , Akihiro Yamaguchi , Norimasa Yamaya , Masahiro Ohta
发明人： Keizaburo Yamaguchi , Yoshimitsu Tanabe , Tatshuiro Urakami , Akihiro Yamaguchi , Norimasa Yamaya , Masahiro Ohta
IPC分类号： C07C211/50 , C08G73/12
CPC分类号： C08G73/121 , C07C211/50
摘要： The invention relates to an aromatic amine resin comprising a mixture of aromatic amine compounds represented by the following general formula (a): ##STR1## wherein A represents a phenylene, alkyl-substituted phenylene, diphenylene, diphenyl ether or naphthylenyl group, R.sup.1 represents a halogen atom or a hydroxyl C.sub.1-4 alkoxy or C.sub.1-5 alkyl group, l is 1 or 2, m is 0, 1, 2 or 3, n is an integer from 0 to 300 and when m is 2 or 3, the R.sup.1 group may be the same or different and may join to form a 5- or 6-membered alicyclic moiety which may optionally contain one or more side chains, and also relates to processes for producing the same and a thermosetting composition containing the same.

36. 发明授权

US5013848A Aromatic bismaleimide derivatives and process for preparing same 失效
标题翻译：芳香双马来酰亚胺衍生物及其制备方法
公开(公告)号：US5013848A
公开(公告)日：1991-05-07
申请号：US87255
申请日：1987-07-22
申请人： Yukihiro Yoshikawa , Midori Yamazaki , Keizaburo Yamaguchi , Kenichi Sugimoto , Yoshimitsu Tanabe , Akihiro Yamaguchi
发明人： Yukihiro Yoshikawa , Midori Yamazaki , Keizaburo Yamaguchi , Kenichi Sugimoto , Yoshimitsu Tanabe , Akihiro Yamaguchi
IPC分类号： C07D207/44 , C07D207/452
CPC分类号： C07D207/452
摘要： A novel aromatic bismaleimide of the formula (I): ##STR1## wherein X is ##STR2## where R.sub.1 R.sub.2, R.sub.3 and R.sub.4 are a hydrogen atom or a methyl group. The bismaleimide is prepared by reacting an aromatic diamine having the formula (II): ##STR3## wherein X is the same as in the formula (I), with maleic anhydride and then conducting the ring-closing reaction of the resultant aromatic bismaleamic acid.

37. 发明授权

US4966961A Polymaleimide from polyarylene polyamine and process for the preparation thereof 失效
标题翻译：聚亚芳基多胺的聚马来酰亚胺及其制备方法
公开(公告)号：US4966961A
公开(公告)日：1990-10-30
申请号：US351705
申请日：1989-05-15
申请人： Yoshimitsu Tanabe , Keizaburo Yamaguchi , Tatsuhiro Urakami , Akihiro Yamaguchi
发明人： Yoshimitsu Tanabe , Keizaburo Yamaguchi , Tatsuhiro Urakami , Akihiro Yamaguchi
IPC分类号： C07D207/448 , C07D207/44 , C07D207/452 , C08G73/10 , C08G73/12
CPC分类号： C07D207/452 , C08G73/121
摘要： The present invention relates to polymaleimide compounds having the following chemical structure: ##STR1## wherein n represents an integer of from 0 to about 50 and to a process for preparing the same.

38. 发明授权

US4937318A Aromatic amine resins 失效
标题翻译：芳香族胺树脂
公开(公告)号：US4937318A
公开(公告)日：1990-06-26
申请号：US254701
申请日：1988-10-07
申请人： Keizaburo Yamaguchi , Yoshimitsu Tanabe , Tatsuhiro Urakami , Akihiro Yamaguchi , Norimasa Yamaya , Masahiro Ohta
发明人： Keizaburo Yamaguchi , Yoshimitsu Tanabe , Tatsuhiro Urakami , Akihiro Yamaguchi , Norimasa Yamaya , Masahiro Ohta
IPC分类号： C07C211/50 , C08G73/12
CPC分类号： C08G73/121 , C07C211/50
摘要： The invention relates to an aromatic amine resin comprising a mixture of aromatic amine compounds represented by the following general formula (a): ##STR1## wherein A represents a phenylene, alkyl-substituted phenylene, diphenylene, diphenyl ether or napthylenyl group, R.sup.1 represents a halogen atom or a hydroxyl C.sub.1-4 alkoxy or C.sub.1 -5 alkyl group, l is 1 or 2, m is 0, 1, 2 or 3, n is an integer from 0 to 300 and when m is 2 or 3, the R.sup.1 group may be same or different and may join to form a 5- to 6-membered alicyclic moiety which may optionally contain one or more side chains, and also relates to processes for producing the same and a thermosetting composition containing the same.

39. 发明授权

US4754068A 1,3-bis(3-aminophenoxy)-5-halogenobenzenes and process for their preparation 失效
标题翻译： 1,3-二（3-氨基苯氧基）-5-卤代苯及其制备方法
公开(公告)号：US4754068A
公开(公告)日：1988-06-28
申请号：US940201
申请日：1986-12-15
申请人： Keizaburo Yamaguchi , Yukihiro Yoshikawa , Yoshimitsu Tanabe , Kenichi Sugimoto , Akihiro Yamaguchi
发明人： Keizaburo Yamaguchi , Yukihiro Yoshikawa , Yoshimitsu Tanabe , Kenichi Sugimoto , Akihiro Yamaguchi
IPC分类号： C08G73/00 , C07C20060101 , C07C67/00 , C07C213/00 , C07C213/06 , C07C217/82 , C07C217/90 , C08G73/10 , C07C93/14
CPC分类号： C07C1/00 , C07C213/00 , C07C213/06 , C07C217/82 , C07C217/90 , C07C67/00 , C08G73/00 , C08G73/10
摘要： 1,3-Bis(3-aminophenoxy)-5-halogenobenzenes represented by the formula (I): ##STR1## wherein X is a chlorine or bromine atom, are novel compounds and can be prepared by reacting trihalogenobenzenes represented by the formula (II): ##STR2## wherein X.sub.1, X.sub.2 and X.sub.3 are each a chlorine or bromine atom, with 3-aminophenol in the presence of a dehydrohalogenating agent.
摘要翻译：由式（I）表示的1,3-双（3-氨基苯氧基）-5-卤代苯：其中X是氯或溴原子的化合物是新化合物，可以通过将由式（II）：其中X1，X2和X3各自为氯或溴原子，在脱卤化氢剂存在下与3-氨基苯酚反应。

40. 发明授权

US4724268A Purification process of 3,3'-dinitrodiphenyl compounds 失效
标题翻译： 3,3'-二硝基二苯基化合物的纯化过程
公开(公告)号：US4724268A
公开(公告)日：1988-02-09
申请号：US882246
申请日：1986-07-07
申请人： Keizaburo Yamaguchi , Kenichi Sugimoto , Yoshimitsu Tanabe , Teruyuki Nagata , Akihiro Yamaguchi
发明人： Keizaburo Yamaguchi , Kenichi Sugimoto , Yoshimitsu Tanabe , Teruyuki Nagata , Akihiro Yamaguchi
IPC分类号： C07C201/16 , C07C317/14 , C07C147/06 , C07C79/36
CPC分类号： C07C201/16 , C07C315/04 , C07C315/06
摘要： A crude 3,3'-dinitrodiphenyl compound selected from 3,3'-dinitrodiphenylsulfone or 3,3'-dinitrobenzophenone is purified by reacting the crude 3,3'-dinitrodiphenyl compound with a lower alcohol in the presence of a base so as to convert practically the isomer or isomers, which contain one or more nitro groups at the ortho- or/and para-positions, only into the corresponding alkoxy compound or compounds thereof and then separating the alkoxy compound or compounds.
摘要翻译：选自3,3'-二硝基二苯砜或3,3'-二硝基二苯甲酮的粗3,3'-二硝基二苯基化合物通过在碱存在下使粗3,3'-二硝基二苯基化合物与低级醇反应而纯化，以便实际上将邻位或对位上含有一个或多个硝基的异构体或异构体转化为相应的烷氧基化合物或其化合物，然后分离烷氧基化合物或化合物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式