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1.发明授权Process for the preparation of epsilon-caprolactam and epsilon-caprolactam precursors 失效ε-己内酰胺和ε-己内酰胺前体的制备方法
公开(公告)号：US5700934A
公开(公告)日：1997-12-23
申请号：US616742
申请日：1996-03-15
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： A process for the preparation of .epsilon.-caprolactam and .epsilon.-caprolactam precursors, starting from the corresponding 5-formylvalerate ester, ammonia and hydrogen in the presence of a hydrogenation catalyst is disclosed, wherein in a step (a) 5-formylvalerate ester is reacted with ammonia under non-hydrogenating conditions, and in a step (b) the reaction product obtained in step (a) is converted to .epsilon.-caprolactam and the .epsilon.-caprolactam precursor(s) under hydrogenating conditions, in the presence of ammonia.
摘要翻译： 公开了在氢化催化剂存在下从相应的5-甲酰基戊酸酯，氨和氢开始制备ε-己内酰胺和ε-己内酰胺前体的方法，其中在步骤（a）中，使5-甲酰基戊酸酯反应 在非氢化条件下用氨，并且在步骤（b）中，在氨的存在下，在氢化条件下将步骤（a）中获得的反应产物转化成ε-己内酰胺和ε-己内酰胺前体。
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公开(公告)号：US5717089A
公开(公告)日：1998-02-10
申请号：US616748
申请日：1996-03-15
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： Process for the preparation of .epsilon.-caprolactam starting from an aldehyde compound comprising at least one member from among 5-formylvaleric acid, ester or amide in which the aldehyde compound is allowed to react in the presence of ammonia and hydrogen and a subsequent cyclization of the reaction products thus formed (.epsilon.-caprolactam-precursors) to .epsilon.-caprolactam is performed in the presence of water, involved the combination of steps (a) contacting the 5-formylvaleric acid, ester or amide with ammonia and water under non-hydrogenation conditions, (b) contacting the resulting mixture of step (a) with hydrogen in the presence of ammonia under hydrogenation conditions, wherein the water content is greater than 10 wt. %, (c) heating the resulting mixture of step (b) at a temperature between 200.degree. and 350.degree. C. in order to convert the reaction products of step (b) to .epsilon.-caprolactam.
摘要翻译： 从含有至少一种甲酰戊酸，酯或酰胺的成分的醛化合物制备ε-己内酰胺的方法，其中使醛化合物在氨和氢的存在下反应，随后环化 如此形成的（ε-己内酰胺前体）与ε-己内酰胺的反应产物在水的存在下进行，涉及步骤（a）在非氢化条件下使5-甲酰基戊酸，酯或酰胺与氨和水接触 ，（b）在氢气条件下，在氨的存在下使所得步骤（a）的混合物与氢气接触，其中水含量大于10wt。 ％，（c）在200-350℃的温度下加热步骤（b）的所得混合物，以将步骤（b）的反应产物转化成ε-己内酰胺。
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公开(公告)号：US5973143A
公开(公告)日：1999-10-26
申请号：US141406
申请日：1998-08-21
申请人： Rudolf P. M. Guit , Samuel L. Lane , Wim Buijs
发明人： Rudolf P. M. Guit , Samuel L. Lane , Wim Buijs
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： Process to prepare .epsilon.-caprolactam starting from a liquid aqueous mixture containing an alcohol and 6-aminocaproic acid by cyclization of 6-aminocaproic acid in the aqueous mixture at an elevated temperature. The alcohol is separated from the starting aqueous mixture before performing the cyclization to such extent that the concentration of alcohol in the aqueous mixture during the cyclization is less than 1 wt. %. The advantages include reduced amounts of undesirable by-product.
摘要翻译： 通过在高温下在含水混合物中环化6-氨基己酸，从含有醇和6-氨基己酸的液体含水混合物中制备ε-己内酰胺的方法。 在进行环化之前，将醇与起始含水混合物分离，使得环化过程中含水混合物中醇的浓度小于1wt。 ％。 优点包括减少不希望的副产物的量。
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公开(公告)号：US5780623A
公开(公告)日：1998-07-14
申请号：US605883
申请日：1996-02-23
申请人： Rudolf P.M. Guit , Samuel L. Lane , Wim Buijs
发明人： Rudolf P.M. Guit , Samuel L. Lane , Wim Buijs
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： Process to prepare .epsilon.-caprolactam starting from a liquid aqueous mixture containing an alcohol and 6-aminocaproic acid by cyclization of 6-aminocaproic acid in the aqueous mixture at an elevated temperature. The alcohol is separated from the starting aqueous mixture before performing the cyclization to such extent that the concentration of alcohol in the aqueous mixture during the cyclization is less than 1 wt. %. The advantages include reduced amounts of undesirable by-product.
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公开(公告)号：US06333412B1
公开(公告)日：2001-12-25
申请号：US09635717
申请日：2000-08-09
申请人： Rudolf P. M. Guit , Samuel L. Lane
发明人： Rudolf P. M. Guit , Samuel L. Lane
IPC分类号： C07D20108
CPC分类号： C07D201/08
摘要： Process to prepare &egr;-caprolactam starting from a starting mixture containing a 6-aminocaproate ester, in which in a first step (1) the 6-aminocaproate ester is converted into 6-aminocaproic acid and 6-aminocaproamide by reaction with water in the presence of ammonia at a temperature of between 50 and 250° C., with a separate or simultaneous removal of alcohol(s), and in a subsequent step (2) the 6-aminocaproic acid and 6-aminocaproamide are cyclizised at an elevated temperature, wherein in step (1) the 6-aminocaproate ester is converted into 6-aminocaproic acid and 6-aminocaproamide in the presence of an amount higher than 2 wt. % and less than or equal to 25 wt. % NH3 (relative to the total amount of organic compounds, water and ammonia present in step (1)).
摘要翻译： 从含有6-氨基己酸酯的起始混合物制备ε-己内酰胺的方法，其中在第一步（1）中，6-氨基己酸酯在存在下与水反应转化为6-氨基己酸和6-氨基己酰胺 在50至250℃的温度下，分离或同时除去醇，并且在随后的步骤（2）中，6-氨基己酸和6-氨基己酰胺在升高的温度下环化， 其中在步骤（1）中，将6-氨基己酸酯在高于2重量％的量存在下转化成6-氨基己酸和6-氨基己酰胺。 ％且小于或等于25wt。 ％NH 3（相对于步骤（1）中存在的有机化合物，水和氨的总量）。
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公开(公告)号：US08536297B2
公开(公告)日：2013-09-17
申请号：US13515582
申请日：2010-12-16
IPC分类号： C08G18/32
CPC分类号： C09D175/02 , C08G18/10 , C08G18/3243
摘要： The present invention relates to a coating composition. More particularly the present invention relates to a coating composition comprising an amine curative composition comprising a bis-aromatic secondary diamine, a bis-aromatic primary diamine and optionally a mono-aromatic primary diamine.
摘要翻译： 本发明涉及涂料组合物。 更具体地说，本发明涉及包含胺固化剂组合物的涂料组合物，其包含双芳族仲胺，双芳族伯二胺和任选的单芳族伯二胺。
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公开(公告)号：US20120252971A1
公开(公告)日：2012-10-04
申请号：US13515582
申请日：2010-12-16
IPC分类号： C09D175/04 , C08L75/04 , C08K5/12 , C08G18/32
CPC分类号： C09D175/02 , C08G18/10 , C08G18/3243
摘要： The present invention relates to a coating composition. More particularly the present invention relates to a coating composition comprising an amine curative composition comprising a bis-aromatic secondary diamine, a bis-aromatic primary diamine and optionally a mono-aromatic primary diamine.
摘要翻译： 本发明涉及涂料组合物。 更具体地说，本发明涉及包含胺固化剂组合物的涂料组合物，其包含双芳族仲胺，双芳族伯二胺和任选的单芳族伯二胺。
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