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1.发明公开
公开(公告)号：EP0986598A1
公开(公告)日：2000-03-22
申请号：EP98926316.5
申请日：1998-06-05
IPC分类号： C08G63/199 , C08G63/60 , C08K7/14
CPC分类号： C08G63/60 , C08G63/199 , H05K1/0326
摘要： Disclosed is a select class of liquid crystalline polyesters and molding compositions comprising the polyesters and glass fiber. The liquid crystalline polyesters consist essentially of (1) diacid residues consisting essentially of (i) cyclohexanedicarboxylic acid residues and (ii) other diacid residues selected from terephthalic acid residues, 2,6-naphthalene-dicarboxylic acid residues, or a mixture thereof; (2) diol residues consisting essentially of hydroquinone residues, 4,4'-biphenol residues or a mixture thereof; and, optionally, (3) p-hydroxybenzoic acid residues. In the above definition, the moles of diol residues are equal to the moles of diacid residues and the total of the (1), (2) and (3) mole percentages is equal to 100. The liquid crystalline polyesters have melting points determined by differential scanning calorimetry equal to or less than 375 °C.
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2.发明授权POLYESTERS FROM TEREPHTHALIC ACID, 2,6-NAPHTHALENEDICARBOXYLIC ACID AND HYDROQUINONE 失效由对苯二甲酸，2,6-萘二甲酸，和氢醌聚酯
公开(公告)号：EP0557384B1
公开(公告)日：1997-04-02
申请号：EP91920391.9
申请日：1991-11-15
IPC分类号： C08G63/191 , C08G63/189 , C08L67/03
CPC分类号： C08G63/78 , C08G63/189 , C08G63/191 , C08L67/03 , C08L2666/02
摘要： Disclosed are melt-processable wholly aromatic polyesters prepared from terephthalic acid, 2,6-naphthalenedicarboxylic acid, and hydroquinone.
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3.发明授权
公开(公告)号：EP0986598B1
公开(公告)日：2002-11-06
申请号：EP98926316.5
申请日：1998-06-05
发明人： LONG, Timothy, Edward c/o Eastman Chemical Company , BIRCH, Peggy, Spears , BRADLEY, James, Rodney
IPC分类号： C08G63/199 , C08G63/60 , C08K7/14
CPC分类号： C08G63/60 , C08G63/199 , H05K1/0326
摘要： Disclosed is a select class of liquid crystalline polyesters and molding compositions comprising the polyesters and glass fiber. The liquid crystalline polyesters consist essentially of (1) diacid residues consisting essentially of (i) cyclohexanedicarboxylic acid residues and (ii) other diacid residues selected from terephthalic acid residues, 2,6-naphthalene-dicarboxylic acid residues, or a mixture thereof; (2) diol residues consisting essentially of hydroquinone residues, 4,4'-biphenol residues or a mixture thereof; and, optionally, (3) p-hydroxybenzoic acid residues. In the above definition, the moles of diol residues are equal to the moles of diacid residues and the total of the (1), (2) and (3) mole percentages is equal to 100. The liquid crystalline polyesters have melting points determined by differential scanning calorimetry equal to or less than 375 DEG C.
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