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公开(公告)号：EP1422256A1
公开(公告)日：2004-05-26
申请号：EP02738655.6
申请日：2002-06-11
CPC分类号： D01F6/84 , C08G63/065 , C08G63/19 , C08G63/20 , C08G63/60 , C08G63/605 , C08L67/00 , C08L77/12 , C08L2666/02
摘要： A thermotropic liquid crystalline polymer, which is obtainable by copolymerizing a trifunctional hydroxynaphthalene carboxylic acid represented by the general formula (I) and/or reactive derivative thereof with other polymerizing monomer(s)
wherein one of m and n is 1 and the other is 2, and a composition including the polymer are provided. The molded article obtained from the thermotropic liquid crystalline polymer or the composition has less anisotropy in mechanical strength and improved weld strength.摘要翻译： 通过将由通式（I）表示的三官能羟基萘羧酸和/或其反应性衍生物与其它聚合单体
共聚而获得的热致液晶聚合物，其中m和n之一为1， 另外是2，提供了包含聚合物的组合物。 由热致液晶聚合物或组合物得到的成型体的机械强度各向异性小，焊接强度提高。 -
公开(公告)号：EP1422256B1
公开(公告)日：2006-08-02
申请号：EP02738655.6
申请日：2002-06-11
CPC分类号： D01F6/84 , C08G63/065 , C08G63/19 , C08G63/20 , C08G63/60 , C08G63/605 , C08L67/00 , C08L77/12 , C08L2666/02
摘要： A thermotropic liquid-crystal polymer characterized by being obtained by copolymerizing the trifunctional hydroxynaphthalenecarboxylic acid represented by the following general formula [I] and/or a reactive derivative thereof with other polymerizable monomer(s); [I] (wherein one of m and n is 1 and the other is 2) and a composition containing the polymer. The thermotropic liquid-crystal polymer or composition gives a molding having reduced anisotropy in mechanical strength and having excellent weld strength.
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公开(公告)号：EP1669387A1
公开(公告)日：2006-06-14
申请号：EP04788332.7
申请日：2004-09-29
CPC分类号： C08G63/605
摘要： The present invention provides a liquid-crystalline polyester resin, essentially consisting of the repeating units represented by formulae [I]-[IV]:
wherein p, q, r and s satisfy the following formulae: 0.4 ≦ p/q ≦ 2.0, 2 ≦ r ≦ 15, 2 ≦ s ≦ 15, and p+q+r+s = 100, provided that the liquid-crystalline polyester resin has a melting point of 190-250°C determined by differential scanning calorimetry.
The liquid-crystalline polyester resin of the present invention exhibits a good molding processability at low temperatures and excellent mechanical properties.摘要翻译： 本发明提供了一种液晶聚酯树脂，其基本上由式[I] - [IV]表示的重复单元组成：其中p，q，r和s满足下式：0.4‰| p / q‰| 2.0 ，2‰| r‰| 15,2‰| s‰| 15和p + q + r + s = 100，条件是液晶聚酯树脂的熔点为190-250℃，通过差示扫描确定 量热法。 本发明的液晶聚酯树脂在低温下表现出良好的模塑加工性能和优异的机械性能。
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公开(公告)号：EP1103573B1
公开(公告)日：2004-09-15
申请号：EP00922922.0
申请日：2000-05-01
IPC分类号： C08G63/13 , C08G63/668 , C08G69/44 , C08J5/00 , C08G63/60
CPC分类号： C08G63/668 , C08G63/13 , C08G63/605 , C08G69/44
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公开(公告)号：EP1103573A1
公开(公告)日：2001-05-30
申请号：EP00922922.0
申请日：2000-05-01
IPC分类号： C08G63/13 , C08G63/668 , C08G69/44 , C08J5/00
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.
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