专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明授权

US5763537A Polyimide based resin composition 失效
标题翻译：聚酰亚胺基树脂组合物
公开(公告)号：US5763537A
公开(公告)日：1998-06-09
申请号：US577517
申请日：1995-12-22
申请人： Tomomi Yoshimura , Wataru Yamashita , Shoji Tamai , Akihiro Yamaguchi
发明人： Tomomi Yoshimura , Wataru Yamashita , Shoji Tamai , Akihiro Yamaguchi
IPC分类号： C08K5/3417 , C08L67/00 , C08L79/08
CPC分类号： C08K5/3417
摘要： A is a polyimide based resin molding composition comprising 100 parts by weight of crystalline polyimide having recurring structural units of the formula (1): ##STR1## and 1.about.50 parts by weight of crystallization accelerators selected from bisimide compounds of specific structure, a mixture of bisimide compounds, and imide based oligomer. The composition remarkably accelerates the crystallization velocity of polyimide of the formula (1), crystallization can be completed within a greatly reduced cooling time after melt processing, and the crystallized polyimide resin has excellent properties.
摘要翻译： A是一种聚酰亚胺基树脂模制组合物，其包含100重量份具有式（1）的重复结构单元的结晶聚酰亚胺：1分钟和50分钟的选自特定结构的双酰亚胺化合物的结晶促进剂，双酰亚胺化合物和基于酰亚胺的低聚物的混合物。该组合物显着加速式（1）的聚酰亚胺的结晶速度，在熔融加工后的冷却时间内可以结晶化，结晶化聚酰亚胺树脂具有优异的性能。

52. 发明授权

US5508377A Polyimide 失效
标题翻译：聚酰亚胺
公开(公告)号：US5508377A
公开(公告)日：1996-04-16
申请号：US357193
申请日：1994-12-13
申请人： Wataru Yamashita , Yuichi Okawa , Shoji Tamai , Akihiro Yamaguchi
发明人： Wataru Yamashita , Yuichi Okawa , Shoji Tamai , Akihiro Yamaguchi
IPC分类号： C08G73/10 , C08L79/08 , C08G69/26
CPC分类号： C08G73/1085 , C08G73/10 , C08G73/1039 , C08G73/105 , C08G73/1053 , C08G73/1071 , C08L79/08
摘要： This invention relates to a novel polyimide or polyimide copolymer having excellent heat resistance and greatly improved processability, 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 L is an oxygen atom, carbonyl, isopropylidene or hexafluoroisopropylidene, and X is ##STR2## and 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.The polyimide or polyimide copolymer is outstanding in melt-flow stability, and has greatly improved processability and excellent heat resistance. Consequently, the polyimide or polyimide copolymer can be applied to structural materials, and electic.cndot.electronic appliances.
摘要翻译：本发明涉及耐热性优异且加工性极佳的新型聚酰亚胺或聚酰亚胺共聚物，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，包含聚酰亚胺或聚酰亚胺共聚物的聚酰亚胺系树脂组合物和纤维增强材料，树脂组合物的制备方法，树脂组合物的注塑制品。聚酰亚胺包括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L是氧原子，羰基，异亚丙基或六氟异亚丙基，X是（5）和Ar 是具有6至27个碳原子的四价基团，并且选自具有芳族基团的单芳族基团，缩合多芳族基团和具有直接键合或桥连构件彼此连接的非缩合多芳族基团。聚酰亚胺或聚酰亚胺共聚物在熔体流动稳定性方面是突出的，并且具有极大的改进的加工性和优异的耐热性。因此，聚酰亚胺或聚酰亚胺共聚物可以应用于结构材料和电子电器。

53. 发明授权

US5484880A Polyimide 失效
标题翻译：聚酰亚胺
公开(公告)号：US5484880A
公开(公告)日：1996-01-16
申请号：US354806
申请日：1994-12-13
申请人： Wataru Yamashita , Yuichi Okawa , Shoji Tamai , Mitsunori Matsuo , Tsutomu Ishida , Keizaburo Yamaguchi , Akihiro Yamaguchi
发明人： Wataru Yamashita , Yuichi Okawa , Shoji Tamai , Mitsunori Matsuo , Tsutomu Ishida , Keizaburo Yamaguchi , Akihiro Yamaguchi
IPC分类号： C07C225/22 , C07B61/00 , C07C221/00 , C08G73/10 , C08L79/08 , C08G77/10 , C08G69/26
CPC分类号： C08G73/1071 , C08G73/1014 , C08G73/105 , C08G73/1064 , C08L79/08
摘要： The present invention relates to an amorphous polyimide or a polyimide copolymer having a requisite structural unit consisting of one or more recurring structural units represented by the formula (1): ##STR1## wherein X is a direct bond, oxygen atom or sulfur atom, and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are individually a hydrogen atom or methyl, and 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.Polyimide and the polyimide copolymer of the invention has excellent heat resistance, is outstanding in melt-flow stability, has greatly improved processability, and can be applied to structural materials, and electric- electronic appliances.
摘要翻译：本发明涉及具有必要结构单元的无定形聚酰亚胺或聚酰亚胺共聚物，所述结构单元由一个或多个由式（1）表示的重复结构单元：原子或硫原子组成，并且R 1，R 2，R 3和R 4分别为氢原子或甲基，Ar是具有6至27个碳原子的四价基团，并且选自具有芳族基团的单芳族基团，缩合多芳族基团和具有直接键或桥键的彼此连接的非缩合多芳族基团会员。本发明的聚酰亚胺和聚酰亚胺共聚物具有优异的耐热性，熔体流动稳定性优异，加工性能大大提高，可应用于结构材料和电子电器。

54. 发明授权

US5371168A Amorphous polyimide powder, preparation process of the powder, and heat-resistant adhesive and bonding method by use of the powder 失效
标题翻译：无定形聚酰亚胺粉末，粉末的制备工艺，耐热粘合剂和使用粉末的粘合方法
公开(公告)号：US5371168A
公开(公告)日：1994-12-06
申请号：US894422
申请日：1992-06-05
申请人： Wataru Yamashita , Shoji Tamai , Akihiro Yamaguchi
发明人： Wataru Yamashita , Shoji Tamai , Akihiro Yamaguchi
IPC分类号： C08G73/10 , C09J179/08 , C08G8/02 , C08G69/26
CPC分类号： C08G73/1067 , C08G73/1014 , C09J179/08 , Y10S526/935
摘要： Amorphous polyimide powder which has recurring structural units of the formula (I): ##STR1## as a fundamental skeleton, is blocked at the polymer chain end with dicarboxylic anhydride represented by the formula (II) ##STR2## wherein Z is a divalent radical having from 6 to 27 carbon atoms and selected from the group consisting of a monoaromatic radical, condensed polyaromatic radical and noncondensed aromatic radical connected to each other with a direct bond or a bridge member, and essentially has no reactive radical at the polymer chain end, preparation process of the amorphous polyimide powder, heat-resistant adhesive comprising the polyimide, and bonding method using the adhesive.
摘要翻译：具有式（I）的重复结构单元：作为基本骨架的重复结构单元的无定形聚酰亚胺粉末在聚合物链端用由式（II）表示的二羧酸酐封闭，其中 Z是具有6至27个碳原子并且选自由直接键或桥连接在一起的单芳族基团，缩合多芳族基团和非缩合芳族基团的二价基团，并且基本上没有反应性基团聚合物链端，非晶聚酰亚胺粉末的制备方法，包含聚酰亚胺的耐热粘合剂和使用该粘合剂的粘合方法。

55. 发明授权

US5260388A Polyimide and process for the preparation thereof 失效
标题翻译：聚酰亚胺及其制备方法
公开(公告)号：US5260388A
公开(公告)日：1993-11-09
申请号：US894940
申请日：1992-06-08
申请人： Shoji Tamai , Wataru Yamashita , Yuichi Okawa , Yuko Ishihara , Keizaburo Yamaguchi , Akihiro Yamaguchi
发明人： Shoji Tamai , Wataru Yamashita , Yuichi Okawa , Yuko Ishihara , Keizaburo Yamaguchi , Akihiro Yamaguchi
IPC分类号： C07C225/22 , C08G73/10 , C08G73/14 , C08G8/02 , C08G69/26
CPC分类号： C07C225/22 , C08G73/1014 , C08G73/1017 , C08G73/1039 , C08G73/1067 , C08G73/14
摘要： A heat-resistant and thermoplastic polyimide which has low dielectric characteristics and recurring structural units of the following formula ##STR1## wherein R is a tetravalent radical having from 2 to 27 carbon atoms and selected from the group consisting of an aliphatic radical, alicyclic radical, monoaromatic radical, condensed polyaromatic radical and noncondensed aromatic radical connected each other with a direct bond or a bridge member; aromatic diamines which are useful for the raw material monomers of the polyimide and have following formulas: ##STR2## and ##STR3## and a process for preparing the polyimide of the above formula by reacting these aromatic diamines with a tetracarboxylic dianhydride in the presence of an aromatic dicarboxylic anhydride or aromatic monoamine, and successively thermally or chemically imidizing the resultant polyamic acid.

56. 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。

57. 发明授权

US5283313A Readily processable polyimide, preparation process of polyimide, and resin composition of polyimide 失效
标题翻译：易于加工的聚酰亚胺，聚酰亚胺的制备工艺和聚酰亚胺的树脂组合物
公开(公告)号：US5283313A
公开(公告)日：1994-02-01
申请号：US795748
申请日：1991-11-21
申请人： Wataru Yamashita , Shoji Tamai , Akihiro Yamaguchi
发明人： Wataru Yamashita , Shoji Tamai , Akihiro Yamaguchi
IPC分类号： C08G73/10 , C08K7/02 , C08L77/00 , C08L77/10 , C08L79/08 , C08G8/02 , C08G69/26
CPC分类号： C08G73/1071 , C08G73/1014 , C08G73/1067 , C08K7/02
摘要： A readily processable polyimide being blocked at the terminal of a polymer molecule with a divalent radical derived from dicarboxylic acid anhydride represented by the formula (IV): ##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 carboxylic acid anhydride and has from 5 to 15 carbons atoms, condensed polyaromatic radical or noncondensed aromatic radical connected each other with a direct bond or a bridge member, and having a fundamental skeleton represented by recurring structural units of the formula (III): wherein X and Y are --O-- or --CO-- and differ each other; preparation process of the polyimide; and resin composition containing the polyimide and fibrous reinforcement.
摘要翻译：在具有由式（IV）表示的二羧酸酐衍生的二价基团的聚合物分子的末端封闭的易加成聚酰亚胺：（*化学结构*）（Ⅳ）其中Z是选自以下的二价基团：的单芳族基团，其基本上未被取代或被不与胺或羧酸酐反应并且具有5至15个碳原子的基团取代，缩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成员，具有由式（III）的重复结构单元表示的基本骨架：（*化学结构*）（III）其中X和Y是-O-或-CO-并且彼此不同; 聚酰亚胺的制备工艺; 和含有聚酰亚胺和纤维增强物的树脂组合物。

58. 发明授权

US4687836A Polyimide adhesives, coats and prepreg 失效
标题翻译：聚酰亚胺粘合剂，涂层和预浸料
公开(公告)号：US4687836A
公开(公告)日：1987-08-18
申请号：US785996
申请日：1985-10-10
申请人： Akira Ibi , Takushi Sato , Akihiro Yamaguchi , Shigeru Takahashi , Shigeyuki Shishido , Shoji Tamai , Hisai Nakajima
发明人： Akira Ibi , Takushi Sato , Akihiro Yamaguchi , Shigeru Takahashi , Shigeyuki Shishido , Shoji Tamai , Hisai Nakajima
IPC分类号： C08G73/10 , C08J3/12 , C08J5/24
CPC分类号： C08J5/24 , C08G73/10 , C08G73/1064 , C08G73/1071 , C08G73/1082 , C08J3/12 , C08J2379/08
摘要： This invention relates to a polyimide powder in use for adhesion and/or coat forming and to a method of preparing said powder, wherein polyamic-acid is chemically imidized which is obtained by reacting tetracarboxylic acid dianhydride with diamine in organic solvents.This invention further relates to a method for adhesion and coat forming by using said polyimide powder.This invention still further relates to a method for preparing prepreg by using said polyimide powder, and a method for adhesion and preparing molded laminates by using said prepreg.
摘要翻译：本发明涉及用于粘合和/或涂层成型的聚酰亚胺粉末和制备所述粉末的方法，其中聚酰胺酸被化学酰亚胺化，其通过使四羧酸二酐与二胺在有机溶剂中反应而获得。本发明还涉及通过使用所述聚酰亚胺粉末进行粘合和涂层成型的方法。本发明还涉及通过使用所述聚酰亚胺粉末制备预浸料的方法，以及通过使用所述预浸料粘合和制备模压层压板的方法。

59. 发明授权

US5354839A Polyimide and preparation process of same 失效
标题翻译：聚酰亚胺及其制备方法相同
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。

60. 发明授权

US5321096A Polyimide composition 失效
标题翻译：聚酰亚胺组合物
公开(公告)号：US5321096A
公开(公告)日：1994-06-14
申请号：US35043
申请日：1993-03-22
申请人： Yuichi Okawa , Nobuhito Koga , Hideaki Oikawa , Tadashi Asanuma , Akihiro Yamaguchi
发明人： Yuichi Okawa , Nobuhito Koga , Hideaki Oikawa , Tadashi Asanuma , Akihiro Yamaguchi
IPC分类号： C08G73/10 , C08L71/00 , C08L79/08 , C08L81/06 , C08F283/04 , C08G69/48
CPC分类号： C08L71/00 , C08G73/101 , C08L79/08 , C08L81/06
摘要： A thermoplastic resin composition comprise 99.9.about.50 parts by weight of one or more thermoplastic resin selected from the group consisting of aromatic polyimide, aromatic polyetherimide, aromatic polyamideimide, aromatic polyethersulfone and aromatic polyether ketone and 0.1.about.50 parts by weight of one or more liquid crystal type aromatic polyimide having recurring structural units represented by the formula (1): ##STR1## wherein R.sub.1 .about.R.sub.5 is a hydrogen atom, fluorine atom, trifluoromethyl, methyl, ethyl or cyano and may be the same or different, and R is a tetravalent radical having 6.about.27 carbon atoms and being selected from the group consisting of a monoaromatic radical, condensed polyaromatic radical and noncondensed aromatic radical connected each other with a direct bond or a bridge member.The present invention can provide thermoplastic resin compositions which have remarkably good processability and excellent thermal stability in addition to essentially excellent properties of each resin.
摘要翻译：热塑性树脂组合物包含99.9重量份的一种或多种选自芳族聚酰亚胺，芳族聚醚酰亚胺，芳族聚酰胺酰亚胺，芳族聚醚砜和芳族聚醚酮的热塑性树脂和0.1重量份的一种或多种液体具有由式（1）表示的重复结构单元的结晶型芳族聚酰亚胺：（1）n原子，氟原子，三氟甲基，甲基，乙基或氰基，可以相同或不同，R是具有 6个碳原子，并且选自由直链或桥构件相互连接的单芳族基团，缩合多芳族基团和非缩合芳族基团组成的组。本发明可以提供具有非常好的加工性和优异的热稳定性的热塑性树脂组合物，除了每种树脂的基本上优异的性能。

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