公开(公告)号：US07304121B2

公开(公告)日：2007-12-04

申请号：US11179683

申请日：2005-07-13

申请人： Hiroyuki Kato ,  Motoki Asahara ,  Tetsuhide Sawada

发明人： Hiroyuki Kato ,  Motoki Asahara ,  Tetsuhide Sawada

IPC分类号： C08G63/00

CPC分类号： C08G63/80 ,  C08G63/605 ,  C09K19/3809

摘要： The present invention provides a liquid-crystalline polyester obtainable by a method comprising the steps of: (1) preparing a prepolymer consisting of the repeating units represented by formulae (I), (II), (III) and (IV): wherein, p, q, r and s represent relative molar proportions (mol %) of the repeating units in the liquid-crystalline polyester resin and satisfy the following formulae: 60≦p≦80, 10≦r≦20, 10≦q+s≦20, 0.05≦s/(q+s)≦0.3, p+q+r+s=100; and (2) heating the prepolymer in substantially solid state at 250-350° C., provided that the liquid crystalline polyester has a deflection temperature under load of 280-340° C., and a melt viscosity of 10-60 Pa·s.

摘要翻译： 本发明提供一种液晶聚酯，其可通过包括以下步骤的方法制备：（1）制备由式（I），（II），（III）和（IV）表示的重复单元组成的预聚物：

公开(公告)号：US20060186375A1

公开(公告)日：2006-08-24

申请号：US11341625

申请日：2006-01-30

申请人： Motoki Asahara ,  Tetsuhide Sawada ,  Hiroyuki Kato

发明人： Motoki Asahara ,  Tetsuhide Sawada ,  Hiroyuki Kato

IPC分类号： C09K19/52 ,  C09K19/32 ,  C09K19/20

CPC分类号： C08G63/605 ,  C08G63/80

摘要： Provided is a liquid-crystalline polyester with good properties obtainable by subjecting a prepolymer consisting of the repeating units represented by formulae to heat treatment in a substantially solid state.

摘要翻译： 本发明提供一种具有良好性能的液晶聚酯，其通过使由式表示的重复单元的预聚物经受基本固态的热处理而得到。

公开(公告)号：US20060036058A1

公开(公告)日：2006-02-16

申请号：US11179683

申请日：2005-07-13

申请人： Hiroyuki Kato ,  Motoki Asahara ,  Tetsuhide Sawada

发明人： Hiroyuki Kato ,  Motoki Asahara ,  Tetsuhide Sawada

IPC分类号： C08G63/00

CPC分类号： C08G63/80 ,  C08G63/605 ,  C09K19/3809

摘要： The present invention provides a liquid-crystalline polyester obtainable by a method comprising the steps of; preparing a prepolymer consisting of the repeating units represented by formulae (I), (II), (III) and (IV): wherein, p, q, r and s represent relative molar proportions (mol %) of the repeating units in the liquid-crystalline polyester resin and satisfy the following formulae: 60≦p≦80, 10≦r≦20, 10≦q+s≦20, 0.05≦s/(q+s)≦0.3 p+q+r+s=100; and heating the prepolymer in substantially solid state at 250-350° C., provided that the liquid crystalline polyester has a deflection temperature under load of 280-340° C., and a melt viscosity of 10-60 Pa·s.

摘要翻译： 本发明提供一种液晶聚酯，其可通过包括以下步骤的方法获得： 制备由式（I），（II），（III）和（IV）表示的重复单元组成的预聚物：其中p，q，r和s表示重复单元的相对摩尔比（mol％） 液晶聚酯树脂，满足下列公式：<？in-line-formula description =“In-line formula”end =“lead”？> 60 <= p <= 80,10 <= R <= 20,10 <= Q + S <= 20,0.05 <= S /（q + s）<= 0.3p + q + r + s = 100; 和<？in-line-formula description =“In-line Formulas”end =“tail”？>在250-350℃下以基本固态加热预聚物，条件是液晶聚酯具有负载下的挠曲温度 为280-340℃，熔体粘度为10-60帕。

公开(公告)号：US20060084747A1

公开(公告)日：2006-04-20

申请号：US11245200

申请日：2005-10-07

申请人： Motoki Asahara ,  Toshiki Nishino

发明人： Motoki Asahara ,  Toshiki Nishino

IPC分类号： C08K3/34 ,  C08K3/40

CPC分类号： C08G63/78 ,  C08G63/065 ,  C08G63/19 ,  C08G63/605

摘要： The present invention provides a method for manufacturing a wholly aromatic liquid-crystalline polyester resin comprising the steps of: 1) acylating the hydroxy group of major monomer components selected from the group consisting of aromatic hydroxycarboxylic acid, aromatic diol and aromatic dicarboxylic acid, with an acylating agent, provided that said major monomer components comprise at least one of aromatic hydroxycarboxylic acid and aromatic diol; and 2) polycondensing said major monomer components of which hydroxy group is acylated, wherein, the polycondensation reaction is carried out in the presence of a metal dihydrogen phosphate in an amount of 1-5000 ppm based on the total monomer components, and a liquid-crystalline polyester resin manufactured by the method and a composition comprising said resin.

摘要翻译： 本发明提供一种全芳香族液晶聚酯树脂的制造方法，包括以下步骤：1）将选自芳族羟基羧酸，芳族二醇和芳族二羧酸的主要单体成分的羟基与 所述主要单体组分包含芳族羟基羧酸和芳族二醇中的至少一种; 和2）缩聚其羟基被酰化的所述主要单体成分，其中缩聚反应在磷酸金属盐存在下以基于总单体组分的1-5000ppm的量存在下进行， 通过该方法制造的结晶性聚酯树脂和包含所述树脂的组合物。

公开(公告)号：US06388045B1

公开(公告)日：2002-05-14

申请号：US09743198

申请日：2001-01-08

申请人： Ryuzo Ueno ,  Masaya Kitayama ,  Kiichi Kometani ,  Taihei Hamasaki ,  Motoki Asahara

发明人： Ryuzo Ueno ,  Masaya Kitayama ,  Kiichi Kometani ,  Taihei Hamasaki ,  Motoki Asahara

IPC分类号： C08G6300

CPC分类号： C08G63/668 ,  C08G63/13 ,  C08G63/605 ,  C08G69/44

摘要： Provided is a liquid crystalline polymer which is obtained by copolymerizing at least one polyfunctional aromatic monomer selected from the group consisting of the compounds represented by the formulae (I), (II) and (III) below with at least one polymerizable monomer. The liquid crystalline polymer of the present invention is excellent in heat resistance, molding properties, flow properties and mechanical properties, especially it provide molded article with improved weld strength.

摘要翻译： 本发明提供一种液晶聚合物，其通过使至少一种选自下述式（I），（II）和（III）表示的化合物的多官能芳族单体与至少一种可聚合单体共聚而获得。 本发明的液晶聚合物的耐热性，成型性，流动性和机械性能优异，特别是提供具有改善的焊接强度的模制品。

公开(公告)号：US08231807B2

公开(公告)日：2012-07-31

申请号：US12815600

申请日：2010-06-15

申请人： Satoru Yonezawa ,  Motoki Asahara

发明人： Satoru Yonezawa ,  Motoki Asahara

IPC分类号： C09K19/38 ,  C09K19/20 ,  C09K19/32 ,  C09K19/54 ,  C08G63/06 ,  C08G63/12 ,  B32B27/36

CPC分类号： C09K19/3809 ,  C09K19/52 ,  Y10T428/31786

摘要： A liquid-crystalline polyester blend composition includes 100 parts by weight of a liquid-crystalline polyester blend and 0.1-300 parts by weight of calcium titanate and/or barium titanate, wherein the liquid-crystalline polyester blend can be obtained by combining liquid-crystalline polyester (A) (LCP A) and liquid-crystalline polyester (B) (LCP B) such that the ratio by weight of (LCP A)/(LCP B) is 99/1 to 80/20, wherein LCP A and LCP B are as defined in the specification, provided that at least one of LCP A and LCP B includes one or two repeating units that come from corresponding minor copolymerizing components selected from aromatic diol, aromatic dicarboxylic acid, aromatic monocarboxylic acid and aromatic monohydroxy compound.

摘要翻译： 液晶聚酯共混组合物包括100重量份的液晶聚酯共混物和0.1-300重量份的钛酸钙和/或钛酸钡，其中液晶聚酯共混物可以通过将液晶 聚酯（A）（LCP A）和液晶聚酯（B）（LCP B），使得（LCP A）/（LCP B）的重量比为99/1〜80/20，其中LCP A和LCP B如本说明书中所定义，条件是LCP A和LCP B中的至少一个包含来自选自芳族二醇，芳族二羧酸，芳族一元羧酸和芳族单羟基化合物的相应次级共聚组分的一个或两个重复单元。

公开(公告)号：US07335318B2

公开(公告)日：2008-02-26

申请号：US11245200

申请日：2005-10-07

申请人： Motoki Asahara ,  Toshiki Nishino

发明人： Motoki Asahara ,  Toshiki Nishino

IPC分类号： C09K19/52 ,  C09K19/20 ,  C09K19/38 ,  C08G63/181 ,  C08G63/191 ,  C08L67/00

CPC分类号： C08G63/78 ,  C08G63/065 ,  C08G63/19 ,  C08G63/605

摘要： The present invention provides a method for manufacturing a wholly aromatic liquid-crystalline polyester resin comprising the steps of: 1) acylating the hydroxy group of major monomer components selected from the group consisting of aromatic hydroxycarboxylic acid, aromatic diol and aromatic dicarboxylic acid, with an acylating agent, provided that said major monomer components comprise at least one of aromatic hydroxycarboxylic acid and aromatic diol; and 2) polycondensing said major monomer components of which hydroxy group is acylated, wherein, the polycondensation reaction is carried out in the presence of a metal dihydrogen phosphate in an amount of 1-5000 ppm based on the total monomer components, and a liquid-crystalline polyester resin manufactured by the method and a composition comprising said resin.

摘要翻译： 本发明提供一种全芳香族液晶聚酯树脂的制造方法，包括以下步骤：1）将选自芳族羟基羧酸，芳族二醇和芳族二羧酸的主要单体成分的羟基与 所述主要单体组分包含芳族羟基羧酸和芳族二醇中的至少一种; 和2）缩聚其羟基被酰化的所述主要单体成分，其中缩聚反应在磷酸金属盐存在下以基于总单体组分的1-5000ppm的量存在下进行， 通过该方法制造的结晶性聚酯树脂和包含所述树脂的组合物。