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1.发明授权公开(公告)号：US08585923B2
公开(公告)日：2013-11-19
申请号：US13327049
申请日：2011-12-15
CPC分类号： C08G63/605 , C08K7/04 , C08K7/14 , C09K19/3809 , Y10T428/10 , Y10T428/31786
摘要： The present invention provides a wholly aromatic liquid-crystalline polyester resin, consisting of the repeating units shown by the formulae [I]-[V]: wherein p, q, r, s and t represent molar proportion (mol %) of repeating units respectively in the liquid-crystalline polyester resin and satisfy the following formulae: 25≦p≦45; 2≦q≦10; 10≦r≦20; 10≦s≦20; 20≦t≦40; r>s; p+q+r+s+t=100; having a ratio P1/P2 of equal to or lower than 3.0, wherein P1 is a melt viscosity at a crystalline melting temperature measured under the condition of shear rate 1000 sec−1 and P2 is a melt viscosity at a temperature of the crystalline melting temperature +20° C. measured under the same condition as P1; and having a deflection temperature under load (DTUL) of equal to or higher than 230° C.
摘要翻译： 本发明提供了由式[I] - [V]所示的重复单元组成的全芳香族液晶聚酯树脂：其中p，q，r，s和t表示重复单元的摩尔比（mol％） 分别在液晶聚酯树脂中并满足下列公式：25 @ p @ 45; 2 @ q @ 10; 10 @ r @ 20; 10 @ s @ 20; 20 @ t @ 40; r> s p + q + r + s + t = 100; 具有等于或小于3.0的比率P1 / P2，其中P1是在剪切速率1000sec -1的条件下测量的结晶熔融温度下的熔体粘度，P2是在结晶熔融温度的温度下的熔体粘度 在与P1相同的条件下测量+ 20℃; 并具有等于或高于230℃的负载挠曲温度（DTUL）
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公开(公告)号：US07842760B2
公开(公告)日：2010-11-30
申请号：US12260536
申请日：2008-10-29
IPC分类号： C08G63/08 , C08G63/06 , C08F290/06 , C08K3/00 , C08K3/10 , C08K3/22 , C08K3/34 , C08K3/40 , C08K3/04 , C04B26/06 , C09K3/10 , B60C1/00
CPC分类号： C09K19/3809 , C08K7/14 , C08L67/00 , C08L2205/02 , C08L2666/18
摘要： The present invention provides a liquid-crystalline polyester blend, which is obtained by combining a liquid-crystalline polyester (A) and a liquid-crystalline polyester (B) such that the ratio by weight of (A)/(B) is 99/1 to 80/20: liquid-crystalline polyester (A) which consists of aromatic oxycarbonyl repeating units, aromatic dioxy repeating units and aromatic dicarbonyl repeating units, and contains 40-80 mol % of the repeating unit represented by formula (I) based on the total repeating units constituting the liquid-crystalline polyester (A); liquid-crystalline polyester (B) which comprises repeating units represented by formulae (I) and (II), wherein the molar proportion of the total amount of the repeating units represented by formulae (I) and (II) based on the total amount of the repeating units constituting the liquid-crystalline polyester (B) is greater than or equal to 90 mol % and the molar proportion of the repeating units represented by formulae (I) to (II) is from 10/90 to 50/50. The liquid-crystalline polyester blend of the present invention exhibits excellent dielectric properties in high frequency regions as well as good impact strength and molding processability.
摘要翻译： 本发明提供一种液晶聚酯共混物，其通过将液晶聚酯（A）和液晶聚酯（B）组合使得（A）/（B）的重量比为99 / 1〜80/20：由芳香族氧羰基重复单元，芳香族二氧基重复单元和芳香族二羰基重复单元构成的液晶性聚酯（A），并且含有40〜80摩尔％的式（I）所示的重复单元，基于 构成液晶聚酯（A）的总重复单元; 含有由式（I）和（II）表示的重复单元的液晶聚酯（B），其中由式（I）和（II）表示的重复单元的总量的摩尔比例基于式 构成液晶聚酯（B）的重复单元大于或等于90摩尔％，由式（I）至（II）表示的重复单元的摩尔比为10/90〜50/50。 本发明的液晶聚酯共混物在高频区域表现出优异的介电性能以及良好的冲击强度和成型加工性能。
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公开(公告)号：US20090111926A1
公开(公告)日：2009-04-30
申请号：US12260536
申请日：2008-10-29
CPC分类号： C09K19/3809 , C08K7/14 , C08L67/00 , C08L2205/02 , C08L2666/18
摘要： The present invention provides a liquid-crystalline polyester blend, which is obtained by combining a liquid-crystalline polyester (A) and a liquid-crystalline polyester (B) such that the ratio by weight of (A)/(B) is 99/1 to 80/20: liquid-crystalline polyester (A) which consists of aromatic oxycarbonyl repeating units, aromatic dioxy repeating units and aromatic dicarbonyl repeating units, and contains 40-80 mol % of the repeating unit represented by formula (I) based on the total repeating units constituting the liquid-crystalline polyester (A); liquid-crystalline polyester (B) which comprises repeating units represented by formulae (I) and (II), wherein the molar proportion of the total amount of the repeating units represented by formulae (I) and (II) based on the total amount of the repeating units constituting the liquid-crystalline polyester (B) is greater than or equal to 90 mol % and the molar proportion of the repeating units represented by formulae (I) to (II) is from 10/90 to 50/50. The liquid-crystalline polyester blend of the present invention exhibits excellent dielectric properties in high frequency regions as well as good impact strength and molding processability.
摘要翻译： 本发明提供一种液晶聚酯共混物，其通过将液晶聚酯（A）和液晶聚酯（B）组合使得（A）/（B）的重量比为99 / 1〜80/20：由芳香族氧羰基重复单元，芳香族二氧基重复单元和芳香族二羰基重复单元构成的液晶性聚酯（A），并且含有40〜80摩尔％的式（I）所示的重复单元，基于 构成液晶聚酯（A）的总重复单元; 含有由式（I）和（II）表示的重复单元的液晶聚酯（B），其中由式（I）和（II）表示的重复单元的总量的摩尔比例基于式 构成液晶聚酯（B）的重复单元大于或等于90摩尔％，由式（I）至（II）表示的重复单元的摩尔比为10/90〜50/50。 本发明的液晶聚酯共混物在高频区域表现出优异的介电性能以及良好的冲击强度和成型加工性能。
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4.发明申请公开(公告)号：US20120153224A1
公开(公告)日：2012-06-21
申请号：US13327049
申请日：2011-12-15
CPC分类号： C08G63/605 , C08K7/04 , C08K7/14 , C09K19/3809 , Y10T428/10 , Y10T428/31786
摘要： The present invention provides a wholly aromatic liquid-crystalline polyester resin, consisting of the repeating units shown by the formulae [I]-[V]: wherein p, q, r, s and t represent molar proportion (mol %) of repeating units respectively in the liquid-crystalline polyester resin and satisfy the following formulae: 25≦p≦45; 2≦q≦10; 10≦r≦20; 10≦s≦20; 20≦t≦40; r>s; p+q+r+s+t=100; having a ratio P1/P2 of equal to or lower than 3.0, wherein P1 is a melt viscosity at a crystalline melting temperature measured under the condition of shear rate 1000 sec−1 and P2 is a melt viscosity at a temperature of the crystalline melting temperature +20° C. measured under the same condition as P1; and having a deflection temperature under load (DTUL) of equal to or higher than 230° C.
摘要翻译： 本发明提供了由式[I] - [V]所示的重复单元组成的全芳香族液晶聚酯树脂：其中p，q，r，s和t表示重复单元的摩尔比（mol％） 分别在液晶聚酯树脂中并满足下式：25＆nlE; p＆nlE; 45; 2＆nlE; q＆nlE; 10; 10＆nlE; r＆nlE; 20; 10＆nlE; s＆nlE; 20; 20＆nlE; t＆nlE; 40; r> s p + q + r + s + t = 100; 具有等于或小于3.0的比率P1 / P2，其中P1是在剪切速率1000sec -1的条件下测量的结晶熔融温度下的熔体粘度，P2是在结晶熔融温度的温度下的熔体粘度 在与P1相同的条件下测量+ 20℃; 并具有等于或高于230℃的负载挠曲温度（DTUL）
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