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公开(公告)号:EP1462468A1
公开(公告)日:2004-09-29
申请号:EP02781831.9
申请日:2002-11-25
IPC分类号: C08G63/02
CPC分类号: C08G63/605 , C08G63/06 , C08G63/19 , C08G63/20 , C09K19/3809
摘要: The present invention provides a liquid-crystalline polyester resin which comprises monomer units derived from 2-hydroxy-3-naphthoic acid and/or 2-hydroxynaphthalene-3,6-dicarboxylic acid in an amount of 1-5000 mmol % based on the total monomer components of the resin and an alkaline metal compound in an amount of 10-3000 ppm as alkaline metal based on the total monomer components of the resin. The liquid-crystalline polyester resin of the present invention has good colorability, improved heat resistance and good mechanical properties.
摘要翻译: 本发明提供一种液晶聚酯树脂,其包含基于总量为1-5000mmol%的来源于2-羟基-3-萘甲酸和/或2-羟基萘-3,6-二羧酸的单体单元 树脂的单体组分和碱金属化合物的量为基于树脂总单体成分的碱金属为10-3000ppm。 本发明的液晶聚酯树脂具有良好的着色性,耐热性和良好的机械性能。
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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:EP1462468B1
公开(公告)日:2006-08-02
申请号:EP02781831.9
申请日:2002-11-25
CPC分类号: C08G63/605 , C08G63/06 , C08G63/19 , C08G63/20 , C09K19/3809
摘要: A liquid-crystal polyester resin characterized by containing monomer units derived from 2-hydroxy-3-naphthoic acid and/or 2-hydroxynaphthalene-3,6-dicarboxylic acid in an amount of 1 to 5,000 mmol% based on all structural monomer units in the liquid-crystal polyester resin and by containing an alkali metal compound in an amount of 10 to 3,000 ppm, in terms of alkali metal amount, of all monomer units in the liquid-crystal polyester resin. The liquid-crystal polyester resin has satisfactory colorability, improved heat resistance, and satisfactory mechanical properties.
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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: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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