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公开(公告)号:US08835600B2
公开(公告)日:2014-09-16
申请号:US13559674
申请日:2012-07-27
申请人: Kiu-Seung Lee
发明人: Kiu-Seung Lee
摘要: The invention concerns processes for forming a polymer comprising residues of 2-(4-amino phenyl)-5 (6) amino phenyl benzimidazole (DAPBI), paraphenylene diamine, and terephthaloyl dichloride, comprising the steps of: a) forming a solution of DAPBI and paraphenylene diamine dihydrochloride in a solvent system comprising an organic solvent and an inorganic salt; b) cooling the solution to a temperature of 30° C. or less; c) adding a stoichiometric amount of terephthaloyl dichloride, relative to the total amount of the DAPBI and the paraphenylene diamine dihydrochloride, to the solution; and d) agitating the solution of step c) to form a polymer.
摘要翻译: 本发明涉及形成包含2-(4-氨基苯基)-5(6)氨基苯基苯并咪唑(DAPBI),对苯二胺和对苯二酰氯的残基的聚合物的方法,包括以下步骤:a)形成DAPBI 和对苯二胺二盐酸盐在包含有机溶剂和无机盐的溶剂体系中; b)将溶液冷却至30℃以下的温度; c)相对于DAPBI和对苯二胺二盐酸盐的总量向化合物中加入化学计量的对苯二甲酰氯; 和d)搅拌步骤c)的溶液以形成聚合物。
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公开(公告)号:US07772418B1
公开(公告)日:2010-08-10
申请号:US12393295
申请日:2009-02-26
IPC分类号: C07C69/00
CPC分类号: C07C45/46 , C07C67/08 , C07C49/83 , C07C69/017 , C07C69/16
摘要: A process for producing 3,4′diacetoxybenzophenone by first synthesizing 3,4′dihydroxybenzophenone by reacting meta-hydroxybenzoic acid and phenol in the presence of a Lewis acid, and a protonic acid followed by reacting the 3,4′dihydroxybenzophenone with an acetylating agent in the presence of an inorganic acid and activated carbon.
摘要翻译: 首先通过在路易斯酸和质子酸存在下使间羟基苯甲酸和苯酚反应合成3,4-二羟基二苯甲酮的方法,然后使3,4'-二羟基二苯甲酮与乙酰化试剂反应 在无机酸和活性炭的存在下。
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公开(公告)号:US07528217B2
公开(公告)日:2009-05-05
申请号:US11544118
申请日:2006-10-06
申请人: Kiu-Seung Lee , Jon David Hartzler
发明人: Kiu-Seung Lee , Jon David Hartzler
CPC分类号: C08G73/08 , Y10T428/269 , Y10T428/2933
摘要: Sulfonated polyoxadiazole polymers containing groups selected from:
摘要翻译: 含有选自以下基团的磺化聚二唑类聚合物:
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公开(公告)号:US20090101589A1
公开(公告)日:2009-04-23
申请号:US11975417
申请日:2007-10-19
申请人: Kiu-Seung Lee
发明人: Kiu-Seung Lee
IPC分类号: C02F1/58
CPC分类号: C09D139/06 , B01D15/00 , B01J20/26 , B01J20/261 , B01J20/267 , C02F1/285 , C02F2101/16 , C08L79/06 , C08L2312/00 , Y10S210/908
摘要: Disclosed are methods for removing hydrazine compounds from solutions. Solutions containing hydrazine compounds are contacted with crosslinked polyvinylpyrrolidone.
摘要翻译: 公开了从溶液中除去肼化合物的方法。 含有肼化合物的溶液与交联聚乙烯吡咯烷酮接触。
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公开(公告)号:US07465782B2
公开(公告)日:2008-12-16
申请号:US11180239
申请日:2005-07-13
申请人: Kiu-Seung Lee
发明人: Kiu-Seung Lee
CPC分类号: C08G73/22
摘要: A method of making polybenzobisoxazole containing fiber by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming the polymer into a fiber and heating the fiber wherein ring closure occurs in the hydroxylated polymer.
摘要翻译: 通过使用非聚苯并双恶唑聚合物制备含有聚苯并双恶唑的纤维的方法,羟基化聚合物,将聚合物形成纤维并加热纤维,其中在羟基化聚合物中发生闭环。
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26.
公开(公告)号:US20080287598A1
公开(公告)日:2008-11-20
申请号:US11605541
申请日:2006-11-29
申请人: Kiu-Seung Lee
发明人: Kiu-Seung Lee
IPC分类号: C08L77/10
CPC分类号: C08J5/005 , B82Y30/00 , C08J2377/10 , C08K3/041 , C08K2201/004 , C08K2201/016 , C08L77/06 , C08L77/10
摘要: The invention relates to a method of preparing an aramid polymer solution having carbon nanotubes dispersed therein, providing a first dispersion comprising carbon nanotubes and a carrier polymer in a first solvent; providing a first solution comprising an aromatic diamine having an electron affinity lower than that of the carrier polymer and, optionally, a second solvent; adding the first solution to the first dispersion to form a second dispersion; adding an aromatic diacid or aromatic diacid chloride to the second dispersion; polymerizing the aromatic diacid or aromatic diacid chloride with the aromatic diamine to form a carbon nanotube containing aramid polymer or co-polymer in a first aramid solution; isolating the carbon nanotube-containing aramid polymer or co-polymer; and dissolving the carbon nanotube-containing aramid polymer or co-polymer in a third solvent to form a second aramid solution.
摘要翻译: 本发明涉及一种制备其中分散有碳纳米管的芳族聚酰胺聚合物溶液的方法,在第一溶剂中提供包含碳纳米管和载体聚合物的第一分散体; 提供包含电子亲和力低于载体聚合物和任选地第二溶剂的芳族二胺的第一溶液; 将第一溶液加入到第一分散体中以形成第二分散体; 向第二分散体中加入芳族二酸或芳族二酰氯; 将芳族二酸或芳族二酰氯与芳族二胺聚合以在第一芳族聚酰胺溶液中形成含有芳族聚酰胺聚合物或共聚物的碳纳米管; 分离含碳纳米管的芳族聚酰胺聚合物或共聚物; 并将含碳纳米管的芳族聚酰胺聚合物或共聚物溶解在第三溶剂中以形成第二芳族聚酰胺溶液。
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27.
公开(公告)号:US20070255035A1
公开(公告)日:2007-11-01
申请号:US11415026
申请日:2006-05-01
申请人: Kiu-Seung Lee , Harry Smith
发明人: Kiu-Seung Lee , Harry Smith
IPC分类号: C08G63/02
CPC分类号: C08G73/08 , Y10T428/269 , Y10T428/2933
摘要: In a preparation of random polyoxadiazole copolymer by reaction of a mixture of oleum, hydrazine sulfate, terephthalic acid, and isophthalic acid, the improvement requires the addition of oleum in more than one step.
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公开(公告)号:US20070015899A1
公开(公告)日:2007-01-18
申请号:US11180242
申请日:2005-07-13
申请人: Kiu-Seung Lee
发明人: Kiu-Seung Lee
IPC分类号: C08G63/02
CPC分类号: D01F6/78
摘要: A polybenzobisoxazole containing fiber also contains repeating units of at least a starting polymer and/or the starting polymer which contains ortho hydroxyl groups. Generally both starting and hydroxylated polymer repeating units will be present in the fiber.
摘要翻译: 含有聚苯并双恶唑的纤维还含有至少起始聚合物和/或含有邻羟基的起始聚合物的重复单元。 通常起始和羟基化的聚合物重复单元都将存在于纤维中。
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公开(公告)号:US20070015897A1
公开(公告)日:2007-01-18
申请号:US11180233
申请日:2005-07-13
申请人: Kiu-Seung Lee
发明人: Kiu-Seung Lee
IPC分类号: C08G63/02
CPC分类号: C08G73/22
摘要: A polybenzobisoxazole containing polymer also contains repeating units of at least a starting polymer and/or the starting polymer which contains ortho hydroxyl groups. Generally both starting and hydroxylated polymer repeating units will be present in the fiber.
摘要翻译: 含有聚苯并双恶唑的聚合物还含有至少起始聚合物和/或含有邻羟基的起始聚合物的重复单元。 通常起始和羟基化的聚合物重复单元都将存在于纤维中。
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公开(公告)号:US20070013102A1
公开(公告)日:2007-01-18
申请号:US11180239
申请日:2005-07-13
申请人: Kiu-Seung Lee
发明人: Kiu-Seung Lee
IPC分类号: D01F6/96
CPC分类号: C08G73/22
摘要: A method of making polybenzobisoxazole containing fiber by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming the polymer into a fiber and heating the fiber wherein ring closure occurs in the hydroxylated polymer.
摘要翻译: 通过使用非聚苯并双恶唑聚合物制备含有聚苯并双恶唑的纤维的方法,羟基化聚合物,将聚合物形成纤维并加热纤维,其中在羟基化聚合物中发生闭环。
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