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公开(公告)号：US5183878A
公开(公告)日：1993-02-02
申请号：US763238
申请日：1991-09-20
IPC分类号： C08K3/00 , C08G63/181 , C08G63/189 , C08G63/19 , C08G63/199 , C08G63/60 , C08L67/00 , C08L67/02
CPC分类号： C08G63/605 , C08G63/189 , C08G63/19
摘要： An improved easily processable wholly aromatic polyester exhibiting melt anisotropy and excellent thermal stability is provided which consists essentially of the structural units (i) to (iii) wherein: ##STR1## and wherein Ar.sub.1 is 1,4-phenylene, Ar.sub.2 is 2,6-naphthalene and 2,7-naphthalene, and Ar.sub.3 is 1,4-phenylene and/or 4,4'-biphenylene.
摘要翻译： 提供了显示熔体各向异性和优异的热稳定性的改进的易加工的全芳族聚酯，其主要由结构单元（i）至（iii）组成，其中：（ⅰ）为OAr 3 O，并且其中Ar 1为1， 4-亚苯基，Ar 2是2,6-萘和2,7-萘，Ar 3是1,4-亚苯基和/或4,4'-亚联苯基。
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公开(公告)号：US5221729A
公开(公告)日：1993-06-22
申请号：US763423
申请日：1991-09-20
CPC分类号： C08G63/605 , H05K1/0373
摘要： A polyester exhibiting melt anisotropy and improved thermal stability is provided which consists essentially of structural units represented by the formulas (i) to (iii), wherein: ##STR1## wherein Ar.sub.1 is 1,4-phenylene and/or 2,6-naphthalene, Ar.sub.2 is 2,6-naphthalene and/or 2,7-naphthalene, and X.sub.3 is an aliphatic hydrocarbon containing 2 to 8 carbon atoms.
摘要翻译： 提供了具有熔融各向异性和改善的热稳定性的聚酯，其基本上由式（i）至（iii）表示的结构单元组成，其中：（ⅲ）是OX 3 O，其中Ar 1是1,4- 亚苯基和/或2,6-萘，Ar 2为2,6-萘和/或2,7-萘，X3为含有2〜8个碳原子的脂肪族烃。
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公开(公告)号：US5179192A
公开(公告)日：1993-01-12
申请号：US763245
申请日：1991-09-20
CPC分类号： C09K19/3809 , C08G63/605
摘要： An improved polyester exhibiting melt anisotropy and excellent thermal stability is provided which consists essentially of the structural units (I) to (III) wherein: ##STR1## wherein Ar.sub.1 is 1,4-phenylene, Ar.sub.2 is a mixed system of 2,6-naphthalene and 2,7-naphthalene, and Ar.sub.3 is an aromatic ring containing 6 or more carbon atoms, the unit (I) accounting for 15 to 90 mole percent and the unit (II) for 20 to 70 mole percent of the total amount of the structural units, and the percentage of 2,7-naphthalene to the total amount of Ar.sub.2 in the unit (II) being between 10 and 90 mole percent.
摘要翻译： 提供了具有熔融各向异性和优异的热稳定性的改进聚酯，其基本上由结构单元（I）至（III）组成，其中：其中Ar 1是1,4-亚苯基，Ar 2是 2,6-萘和2,7-萘的混合体系，Ar 3为含有6个以上碳原子的芳香环，单元（I）占15〜90摩尔％，单元（II）为20〜 结构单元总量的70摩尔％，和单元（II）中的Ar 2的总量的2,7-萘的百分比为10〜90摩尔％。
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4.发明授权Polyester resin exhibiting anisotropy in a molten state and resin composition 失效聚酯树脂在乳液状态和树脂组合物中展现各向异性
公开(公告)号：US5086158A
公开(公告)日：1992-02-04
申请号：US604240
申请日：1990-10-29
CPC分类号： C08G63/605
摘要： A novel polyester is provided which forms an anisotropic melt phase in combination with good heat resistance and melt-processability. The polyester is formed from a combination of appropriate concentrations of four essential constituent units (as described). In a particularly preferred embodiment the polyester is derived from p-acetoxybenzoic acid, 4,4'-diacetoxydiphenyl, 2,2-propylidenebis(1,4-phenylene), and terephthalic acid. The resulting polyester is well suited to injection molding to form superior three-dimensional articles, fibers and films.
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5.发明授权Polyester resin exhibiting optical anisotropy in molten state containing minor amounts of 6-oxy-2-naphthoyl units 失效在含有少量6-氧-2-萘甲酰基单元的熔融状态下表现出光学各向异性的聚酯树脂
公开(公告)号：US4983713A
公开(公告)日：1991-01-08
申请号：US374750
申请日：1989-07-03
CPC分类号： C09K19/3809 , C08G63/605
摘要： A novel polyester resin is provided which exhibits an anisotropic melt phase. The polymer comprises recurring 4-oxybenzoyl units, 6-oxy-2-naphthoyl units, aromatic dicarboxy units, and aromatic diol units as described in appropriate concentrations. The resulting polyester exhibits excellent melt processability in combination with good mechanical properties and a good retention of properties at elevated temperatures.
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6.发明授权Resin having excellent heat resistance and exhibiting anisotropy in molten state 失效具有优异的耐热性和在熔融状态下具有各向异性的树脂
公开(公告)号：US4864013A
公开(公告)日：1989-09-05
申请号：US249988
申请日：1988-09-27
CPC分类号： C08G69/44 , C08G63/605 , C09K19/3809
摘要： A polyester copolymer comprise 20 to 80 percent by mole of hydroxy-benzoic acid units, 1 to 40 percent by mole of naphthalene units and 1 to 40 percent by mole of dihydroxy-diphenylketone units. It is improved in the heat resistance and is specified by exhibiting the anisotropy in the molten state.
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7.发明授权Polyester resin exhibiting anisotropy in molten state and composition thereof 失效在熔融状态下显示各向异性的聚酯树脂及其组成
公开(公告)号：US4910284A
公开(公告)日：1990-03-20
申请号：US326983
申请日：1989-03-22
申请人： Kenji Hijikata , Noriyuki Hayashi
发明人： Kenji Hijikata , Noriyuki Hayashi
CPC分类号： C09K19/3809 , C08G63/065
摘要： A polyester is provided which exhibits an anisotropic melt phase and an advantageous combination of (1) melt processability and (2) excellent heat resistance in articles formed from the same. Such polyester consists essentially of recurring p-oxybenzoyl moieties, 6-oxy-2-naphthoyl moieties, and m-oxybenzoyl moieties in appropriate concentrations (as described). The aromatic rings of such moieties optionally may be substituted as discussed.
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公开(公告)号：US4937310A
公开(公告)日：1990-06-26
申请号：US335438
申请日：1989-04-10
申请人： Noriyuki Hayashi , Kenji Hijikata
发明人： Noriyuki Hayashi , Kenji Hijikata
CPC分类号： C08G63/605
摘要： A polyester resin comprises 35 to 90 mole percent of the unit (I), 0.5 to 20 mole percent of the unit (II), 0.5 to 45 mole percent of the unit (III) and 0.5 to 45 mole percent of the unit (IV), exhibiting the anisotropy in its molten state. It may further comprise 0.5 to 45 mole percent of the unit (V). The composition is here presented, comprising the polyester resin as defined above and up to 95 percent by weight of an inorganic filler.
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9.发明授权Polyester resin exhibiting optical anisotropy in molten state which contains a low concentration of 6-oxy-2-naphthoyl units and composition thereof 失效在含有低浓度的6-氧基-2-萘甲酰基单元的熔融状态下显示光学各向异性的聚酯树脂及其组合物
公开(公告)号：US4920197A
公开(公告)日：1990-04-24
申请号：US335504
申请日：1989-04-10
申请人： Noriyuki Hayashi , Kenji Hijikata
发明人： Noriyuki Hayashi , Kenji Hijikata
CPC分类号： C08G63/605
摘要： A polyester is provided which exhibits an anisotropic melt phase and an advantageous combination of (1) melt processability and (2) excellent heat resistance in articles formed from the same. The polyester consists essentially of p-oxybenzoyl units, 6-oxy-2-naphthoyl units, terephthaloyl units, and metadioxyphenylene units in appropriate concentrations (as described. The aromatic rings of such units optionally may be substituted as discussed.
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10.发明授权Polyester resin exhibiting optical anisotropy in molten state and composition thereof 失效在熔融状态下表现出光学各向异性的聚酯树脂及其组成
公开(公告)号：US4918154A
公开(公告)日：1990-04-17
申请号：US335444
申请日：1989-04-10
申请人： Noriyuki Hayashi , Kenji Hijikata
发明人： Noriyuki Hayashi , Kenji Hijikata
CPC分类号： C08G63/605
摘要： A polyester resin comprises 35 to 90 mole percent of the unit (I), 0.5 to 20 mole percent of the unit (II), 0.5 to 45 mole percent of the unit (III), 0.5 to 45 mole percent of the unit (IV), and 0.5 to 45 mole percent of the unit (V), exhibiting the anisotropy in its molten state. A polyester composition comprises the polyester resin as defined above and up to 95 percent by weight of an inorganic filler.
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