专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06683177B1 Process for producing caprolactam 失效
标题翻译：己内酰胺的制备方法
公开(公告)号：US06683177B1
公开(公告)日：2004-01-27
申请号：US08952208
申请日：1997-11-06
申请人： Eberhard Fuchs , Johann-Peter Melder , Werner Schnurr , Rolf Fischer
发明人： Eberhard Fuchs , Johann-Peter Melder , Werner Schnurr , Rolf Fischer
IPC分类号： C07D20108
CPC分类号： C07D201/08 , C07D223/12
摘要： A process for preparing caprolactam by reacting 6-aminocapronitrile with water in the presence of catalysts comprises using a starting mixture of 6-aminocapronitrile and the tetrahydroazepine derivative of the formula and conducting the reaction in liquid phase in the presence of a heterogeneous catalyst. Also describes a process for preparing said tetrahydroazepine derivative I and its use for preparing caprolactam and polycaprolactam.
摘要翻译：在催化剂存在下使6-氨基己腈与水反应制备己内酰胺的方法包括使用6-氨基己腈和下式的四氢氮杂衍生物的起始混合物，并在非均相催化剂存在下进行液相反应。还描述了制备所述四氢氮杂衍生物I的方法及其制备己内酰胺和聚己内酰胺的用途。

2. 发明授权

US5801268A Preparation of aliphatic alpha omega-aminonitriles 失效
标题翻译：脂肪族α-ω-氨基腈的制备
公开(公告)号：US5801268A
公开(公告)日：1998-09-01
申请号：US846240
申请日：1997-04-28
申请人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
发明人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
IPC分类号： B01J23/76 , B01J23/78 , B01J23/889 , B01J37/02 , C07C253/30 , C07C255/24 , C07C255/03
CPC分类号： B01J23/76 , B01J23/78 , B01J23/8892 , B01J23/8898 , B01J37/0201 , C07C253/30
摘要： Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process which comprises using a catalyst which (a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and (b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal, with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.
摘要翻译：脂肪族α，ω-氨基腈通过脂肪族α，ω-二腈在升高的温度和超大气压下，在溶剂和催化剂存在下通过包括使用（a）含有基于化合物的催化剂在选自镍，钴，铁，钌和铑的金属上，和（b）含有基于（a）0.01至25重量％的基于选自以下的金属的促进剂：钯，铂，铱，锇，铜，银，金，铬，钼，钨，锰，铼，锌，镉，铅，铝，锡，磷，砷，锑，铋和稀土金属和（c）基于（a），基于碱金属或碱土金属的化合物为0至5重量％，条件是组分（a）不以铁或铁为基准，并且所选择的金属之一来自由钴，钌和铑组成的组母体（b）是基于选自钛，锰，铬和钼的金属的促进剂，进一步的条件是当仅基于钌或铑或钌和铑或镍和铑的化合物为作为组分（a）选择，可以不用启动子（b）。

3. 发明授权

US06114567A Preparation of aliphatic alpha, omega-aminonitriles 失效
标题翻译：脂肪族α，ω-氨基腈的制备
公开(公告)号：US06114567A
公开(公告)日：2000-09-05
申请号：US122102
申请日：1998-07-24
申请人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
发明人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
IPC分类号： B01J23/89 , B01J23/76 , B01J23/889 , B01J27/18 , B01J37/02 , C07B61/00 , C07C253/30 , C07C255/24
CPC分类号： B01J23/8898 , B01J23/76 , B01J23/8892 , B01J37/0201 , C07C253/30
摘要： Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process which comprises using a catalyst which(a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and(b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and(c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal.with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.
摘要翻译：脂肪族α，ω-氨基腈通过脂肪族α，ω-二腈在升高的温度和超大气压下，在溶剂和催化剂存在下通过包括使用（a）含有基于化合物的催化剂在选自镍，钴，铁，钌和铑的金属上，和（b）含有基于（a）0.01至25重量％的基于选自以下的金属的促进剂：钯，铂，铱，锇，铜，银，金，铬，钼，钨，锰，铼，锌，镉，铅，铝，锡，磷，砷，锑，铋和稀土金属和（c）基于（a）的0至5重量％的基于碱金属或碱土金属的化合物。条件是当（b）是基于选自钛的金属的促进剂时，组分（a）不是基于铁或铁和选自钴，钌和铑的金属之一，，锰，铬和钼，另外条件是，当选择仅基于钌或铑或钌和铑或镍和铑的化合物作为组分（a）时，可以省略促进剂（b）。

4. 发明授权

US6080883A Method of simultaneously producing 6-aminocapronitrile and hexamethylenediamine 有权
标题翻译：同时生产6-氨基己腈和六亚甲基二胺的方法
公开(公告)号：US6080883A
公开(公告)日：2000-06-27
申请号：US155900
申请日：1998-10-08
申请人： Werner Schnurr , Guido Voit , Klemens Flick , Johann-Peter Melder , Rolf Fischer , Wolfgang Harder
发明人： Werner Schnurr , Guido Voit , Klemens Flick , Johann-Peter Melder , Rolf Fischer , Wolfgang Harder
IPC分类号： C07C209/48 , C07C211/12 , C07C253/30 , C07C255/24 , C07C255/00
CPC分类号： C07C253/30 , C07C209/48
摘要： A process for the coproduction of 6-aminocapronitrile (ACN) and hexamethylenediamine (HMD) by treatment of adiponitrile (ADN) with hydrogen in the presence of a nickel-containing catalyst at temperatures not below room temperature and elevated hydrogen partial pressure in the presence or absence of a solvent comprises, after the conversion based on ADN and/or the selectivity based on ACN has or have dropped below a defined value(a) interrupting the treatment of ADN with hydrogen by stopping the feed of ADN and of the solvent, if used,(b) treating the catalyst at from 150 to 400.degree. C. with hydrogen using a hydrogen pressure within the range from 0.1 to 30 MPa and a treatment time within the range from 2 to 48 h, and(c) then continuing the hydrogenation of ADN with the treated catalyst of stage (b).
摘要翻译： PCT No.PCT / EP97 / 01685 Sec。 371日期：1998年10月8日 102（e）日期1998年10月8日PCT 1997年4月4日PCT PCT。 WO97 / 37964 PCT公开号日期1997年10月16日一种通过在含镍催化剂存在下，在不低于室温的温度下处理己二腈（ADN）并用升高的氢气部分处理己二腈（ADN）共同生产6-氨基己腈（ACN）和六亚甲基二胺（HMD）在存在或不存在溶剂的情况下的压力包括在基于ADN的转化和/或基于ACN的选择性之后具有或已经降低到低于规定值（a）通过停止ADN的进料而中断用氢处理ADN和的溶剂，如果使用，（b）使用氢气压力为0.1-30MPa，处理时间为2-48小时，用氢气在150-400℃下处理催化剂，和（ c）然后用处理阶段（b）的催化剂继续氢化ADN。

5. 发明授权

US5801267A Preparation of aliphatic alpha, omega-aminonitriles 失效
标题翻译：脂肪族α，ω-氨基腈的制备
公开(公告)号：US5801267A
公开(公告)日：1998-09-01
申请号：US846239
申请日：1997-04-28
申请人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
发明人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
IPC分类号： B01J23/76 , B01J23/78 , B01J23/889 , B01J37/02 , C07C253/30 , C07C255/24 , C07C255/03
CPC分类号： B01J23/76 , B01J23/78 , B01J23/8892 , B01J23/8898 , B01J37/0201 , C07C253/30
摘要： Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process in which the catalyst (a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and (b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal, with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.
摘要翻译：脂肪族α，ω-氨基腈通过脂肪族α，ω-二腈在升高的温度和超大气压下，在溶剂和催化剂存在下通过其中催化剂（a）含有基于选自镍，钴，铁，钌和铑的金属和（b）含有基于（a）0.01至25重量％的选自钯，铂，铱，锇，铜，银，金，铬，钼，钨，锰，铼，锌，镉，铅，铝，锡，磷，砷，锑，铋和稀土金属，（c）基于（a）的基于碱金属或碱土金属的化合物为5重量％，条件是组分（a）不以铁或铁为基准，并且其中一种金属选自（b）为舞会时由钴，钌和铑组成的组基于选自钛，锰，铬和钼的金属，另外条件是当仅选择仅钌，钌和铑或镍和铑的化合物作为组分（a）时，启动子（b）可以不用。

6. 发明授权

US5756808A Preparation of aliphatic, alpha omega-aminonitriles 失效
标题翻译：脂肪族α-ω-氨基腈的制备
公开(公告)号：US5756808A
公开(公告)日：1998-05-26
申请号：US648702
申请日：1996-05-16
申请人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
发明人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
IPC分类号： B01J23/76 , B01J23/78 , B01J23/889 , B01J37/02 , C07C253/30 , C07C255/24 , C07C255/03
CPC分类号： B01J23/76 , B01J23/78 , B01J23/8892 , B01J23/8898 , B01J37/0201 , C07C253/30
摘要： Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process in which the catalyst (a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and (b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal, with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.
摘要翻译：脂肪族α，ω-氨基腈通过脂肪族α，ω-二腈在升高的温度和超大气压下，在溶剂和催化剂存在下通过其中催化剂（a）含有基于选自镍，钴，铁，钌和铑的金属和（b）含有基于（a）0.01至25重量％的选自钯，铂，铱，锇，铜，银，金，铬，钼，钨，锰，铼，锌，镉，铅，铝，锡，磷，砷，锑，铋和稀土金属，（c）基于（a）的基于碱金属或碱土金属的化合物为5重量％，条件是组分（a）不以铁或铁为基准，并且其中一种金属选自（b）为舞会时由钴，钌和铑组成的组基于选自钛，锰，铬和钼的金属，另外条件是当仅选择仅钌，钌和铑或镍和铑的化合物作为组分（a）时，启动子（b）可以不用。

7. 发明授权

US5527946A Preparation of aliphatic alpha, omega-aminonitriles 失效
标题翻译：脂肪族α，ω-氨基腈的制备
公开(公告)号：US5527946A
公开(公告)日：1996-06-18
申请号：US375573
申请日：1995-01-18
申请人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
发明人： Klemens Flick , Johann-Peter Melder , Werner Schnurr , Klaus Ebel , Tom Witzel , Wolfgang Harder , Alwin Rehfinger , Rolf Fischer
IPC分类号： B01J23/89 , B01J23/76 , B01J23/889 , B01J27/18 , B01J37/02 , C07B61/00 , C07C253/30 , C07C255/24
CPC分类号： B01J23/8898 , B01J23/76 , B01J23/8892 , B01J37/0201 , C07C253/30
摘要： Aliphatic alpha, omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha, omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process which comprises using a catalyst which(a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and(b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and(c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal,with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.
摘要翻译：脂肪族α，ω-氨基腈通过脂肪族α，ω-二腈在升高的温度和超大气压下，在溶剂和催化剂存在下通过包括使用（a）含有基于化合物的催化剂在选自镍，钴，铁，钌和铑的金属上，和（b）含有基于（a）0.01至25重量％的基于选自以下的金属的促进剂：钯，铂，铱，锇，铜，银，金，铬，钼，钨，锰，铼，锌，镉，铅，铝，锡，磷，砷，锑，铋和稀土金属和（c）基于（a），基于碱金属或碱土金属的化合物为0至5重量％，条件是组分（a）不以铁或铁为基准，并且所选择的金属之一由钴，钌和铑组成当（b）是基于选自钛，锰，铬和钼的金属的促进剂时，另外条件是当仅基于钌或铑或钌和铑或镍和铑的化合物为作为组分（a）选择，可以不用启动子（b）。

8. 发明授权

US6147208A Process for simultaneously preparing caprolactam and hexamethylene diamine 失效
标题翻译：同时制备己内酰胺和己二胺的方法
公开(公告)号：US6147208A
公开(公告)日：2000-11-14
申请号：US91130
申请日：1998-06-16
申请人： Gunther Achhammer , Peter Bassler , Rolf Fischer , Eberhard Fuchs , Hermann Luyken , Werner Schnurr , Guido Voit , Lutz Hilprecht
发明人： Gunther Achhammer , Peter Bassler , Rolf Fischer , Eberhard Fuchs , Hermann Luyken , Werner Schnurr , Guido Voit , Lutz Hilprecht
IPC分类号： C07C209/48 , C07C209/86 , C07C211/12 , C07D201/08 , C07D201/02
CPC分类号： C07D201/08 , C07C209/48 , Y02P20/52
摘要： Caprolactam and hexamethylenediamine are prepared simultaneously starting from adiponitrile.
摘要翻译： PCT No.PCT / EP96 / 05521 Sec。 371日期：1998年6月16日 102（e）日期1998年6月16日PCT 1996年12月11日PCT公布。公开号WO97 / 23454 日期1997年7月3日由己二腈起始制备己内酰胺和六亚甲基二胺。

9. 发明授权

US5496941A Process for continuous purification of crude caprolactam prepared from 6-aminocapronitrile 失效
标题翻译：从6-氨基己腈制备的己内酰胺的连续纯化方法
公开(公告)号：US5496941A
公开(公告)日：1996-03-05
申请号：US375410
申请日：1995-01-18
申请人： Josef Ritz , Rolf Fischer , Werner Schnurr , Gu/ nther Achhammer , Hermann Luyken , Eberhard Fuchs
发明人： Josef Ritz , Rolf Fischer , Werner Schnurr , Gu/ nther Achhammer , Hermann Luyken , Eberhard Fuchs
IPC分类号： C07D201/08 , C07D201/16
CPC分类号： C07D201/16 , Y02P20/52
摘要： Crude capronitrile is purified by hydrogenation, subsequent treatment in an acidic medium and subsequent distillation in an alkaline medium, by a process in which(a) 6-aminocapronitrile is converted into crude caprolactam by reaction with water,(b) high boilers and low boilers are separated off from the crude caprolactam from step (a),(c) the crude caprolactam from step (b) is treated with hydrogen at from 50.degree. to 150.degree. C. and from 1.5 to 250 bar in the presence of a hydrogenation catalyst and, if desired, of a solvent to give a mixture A,(d1) mixture A in a solvent is passed, at from 30.degree. to 80.degree. C. and from 1 to 5 bar, over an ion exchanger containing terminal acid groups to give a mixture B1, or(d2) mixture A is distilled in the presence of sulfuric acid, any solvent present being removed before the addition of the sulfuric acid, to give a mixture B2, and(e) mixture B1 or mixture B2 is distilled in the presence of a base to give pure caprolactam.
摘要翻译：通过氢化纯化粗碳腈，随后在酸性介质中处理，随后在碱性介质中进行蒸馏，其中（a）通过与水反应将（a）6-氨基己腈转化为粗己内酰胺，（b）高锅炉和低锅炉与步骤（a）中的粗己内酰胺分离，（c）步骤（b）中的粗己内酰胺在氢化催化剂存在下在50-150℃和1.5-250巴下用氢处理并且如果需要，得到溶剂以得到混合物A，（d1）溶剂中的混合物A在30℃至80℃和1至5巴条件下通过含有末端酸基团的离子交换剂得到混合物B1，或（d2）在硫酸存在下蒸馏混合物A，在加入硫酸之前，除去存在的任何溶剂，得到混合物B2，并且（e）蒸馏出混合物B1或混合物B2 在碱的存在下得到纯己内酰胺。

10. 发明授权

US5717090A Simultaneous preparation of caprolactam and hexamethylenediamine 失效
标题翻译：同时制备己内酰胺和己二胺
公开(公告)号：US5717090A
公开(公告)日：1998-02-10
申请号：US565214
申请日：1995-11-30
申请人： Peter Bassler , Hermann Luyken , Gunther Achhammer , Tom Witzel , Eberhard Fuchs , Rolf Fischer , Werner Schnurr
发明人： Peter Bassler , Hermann Luyken , Gunther Achhammer , Tom Witzel , Eberhard Fuchs , Rolf Fischer , Werner Schnurr
IPC分类号： C07D201/08
CPC分类号： C07D201/08
摘要： Caprolactam and hexamethylenediamine are prepared simultaneously starting from adiponitrile by a process in which (a) adiponitrile is partially hydrogenated to give a mixture containing essentially 6-aminocapronitrile, hexamethylenediamine, ammonia, adiponitrile and hexamethyleneimine, (b) the mixture obtained in (a) is subjected to a distillation to give ammonia as the top product and a bottom product I, (c) the bottom product I containing essentially 6-aminocapronitrile, hexamethylenediamine, adiponitrile, hexamethyleneimine, inert compound A and ammonia, the ammonia content being lower than that of the mixture used in stage (b), is subjected to a second distillation to give a mixture comprising the inert compound A and ammonia as the top product and a bottom product II, (d) the bottom product II is subjected, in a third column, to a distillation to give the inert compound A as the top product and a bottom product III, (e) the bottom product III is subjected, in a fourth column, to a distillation to give a top product KP1, containing essentially hexamethyleneimine and a bottom product IV, (f) the top product KP1 is subjected, in a fifth column, to a distillation to give a top product KP2, which contains essentially hexamethyleneimine, and (g) the bottom product IV containing essentially 6-aminocapronitrile and adiponitrile is subjected, in a sixth column, to a distillation to give 6-aminocapronitrile, and the 6-aminocapronitrile thus obtained is then cyclized to give caprolactam.
摘要翻译：己二醇和六亚甲基二胺由己二腈通过以下方法同时制备，其中（a）己二腈部分氢化得到基本上含有6-氨基己腈，六亚甲基二胺，氨，己二腈和六亚甲基亚胺的混合物，（b）将（a）中得到的混合物进行蒸馏以产生氨作为顶部产物，底部产物I，（c）含有基本上为6-氨基己腈，六亚甲基二胺，己二腈，六亚甲基亚胺，惰性化合物A和氨的底部产物I，氨含量低于将阶段（b）中使用的混合物进行第二次蒸馏，得到包含惰性化合物A和氨作为顶部产物的混合物和底部产物II，（d）底部产物II经受第三塔进行蒸馏，得到惰性化合物A作为顶部产物和底部产物III，（e）底部产物III在第四列中经受蒸馏得到基本上为六亚甲基亚胺和底部产物IV的顶部产物KP1，（f）顶部产物KP1在第五个塔中进行蒸馏，得到基本上含有六亚甲基亚胺的顶部产物KP2，和（g ）将含有基本上6-氨基己腈和己二腈的底部产物IV在第六塔中进行蒸馏以得到6-氨基己腈，然后将所得的6-氨基己腈环化，得到己内酰胺。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式