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    • 1. 发明授权
    • Preparation of caprolactam
    • 己内酰胺的制备
    • US06683179B2
    • 2004-01-27
    • US10258941
    • 2002-10-29
    • Peter BasslerDieter BaumannRolf-Hartmuth FischerEberhard FuchsJohann-Peter MelderFrank Ohlbach
    • Peter BasslerDieter BaumannRolf-Hartmuth FischerEberhard FuchsJohann-Peter MelderFrank Ohlbach
    • C07D20108
    • C07D201/08
    • A process for the preparation of caprolactam is provided, wherein a) a mixture (I) containing 6-aminocapronitrile and water is reacted in the gas phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components, b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components, c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, and d) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).
    • 提供了制备己内酰胺的方法,其中a)含有6-氨基己腈和水的混合物(I)在催化剂存在下在气相中反应,得到含己内酰胺,氨,水的混合物(II) ,高沸点组分和低沸点组分,b)然后从混合物(II)中除去氨,得到含有己内酰胺,水,高沸点组分和低沸点组分的混合物(III),c)然后将水 从混合物(III)中除去,得到含有己内酰胺,高沸点组分和低沸点组分的混合物(IV),然后通过结晶从混合物(IV)获得含有己内酰胺的固体(V),比例 的固体(V)中的己内酰胺的量大于混合物(IV)中的。
    • 2. 发明授权
    • Preparation of caprolactam
    • 己内酰胺的制备
    • US06677449B2
    • 2004-01-13
    • US10258942
    • 2002-10-29
    • Peter BasslerDieter BaumannRolf-Hartmuth FischerEberhard FuchsJohann-Peter MelderFrank Ohlbach
    • Peter BasslerDieter BaumannRolf-Hartmuth FischerEberhard FuchsJohann-Peter MelderFrank Ohlbach
    • C07D20102
    • C07D201/08C07D201/16
    • A process for the preparation of caprolactam is provided, wherein a) a mixture (I) containing 6-aminocapronitrile and water is reacted in the liquid phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components, b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components, c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, and d) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).
    • 提供了制备己内酰胺的方法,其中a)含有6-氨基己腈和水的混合物(I)在液相中在催化剂存在下反应,得到含有己内酰胺,氨,水的混合物(II) ,高沸点组分和低沸点组分,b)然后从混合物(II)中除去氨,得到含有己内酰胺,水,高沸点组分和低沸点组分的混合物(III),c)然后将水 从混合物(III)中除去,得到含有己内酰胺,高沸点组分和低沸点组分的混合物(IV),然后通过结晶从混合物(IV)获得含有己内酰胺的固体(V),比例 的固体(V)中的己内酰胺的量大于混合物(IV)中的。
    • 5. 发明授权
    • Simultaneous preparation of caprolactam and hexamethylenediamine
    • 同时制备己内酰胺和己二胺
    • US5717090A
    • 1998-02-10
    • US565214
    • 1995-11-30
    • Peter BasslerHermann LuykenGunther AchhammerTom WitzelEberhard FuchsRolf FischerWerner Schnurr
    • Peter BasslerHermann LuykenGunther AchhammerTom WitzelEberhard FuchsRolf FischerWerner Schnurr
    • C07D201/08
    • C07D201/08
    • 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.
    • 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。
    • 9. 发明授权
    • Process for continuous purification of crude caprolactam prepared from
6-aminocapronitrile
    • 从6-氨基己腈制备的己内酰胺的连续纯化方法
    • US5496941A
    • 1996-03-05
    • US375410
    • 1995-01-18
    • Josef RitzRolf FischerWerner SchnurrGu/ nther AchhammerHermann LuykenEberhard Fuchs
    • Josef RitzRolf FischerWerner SchnurrGu/ nther AchhammerHermann LuykenEberhard Fuchs
    • C07D201/08C07D201/16
    • C07D201/16Y02P20/52
    • 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.
    • 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
    • Preparation of secondary and tertiary 2-methyl-1, 5-pentanediamines
    • 二级和叔级2-甲基-1,5-戊二胺的制备
    • US06198002B1
    • 2001-03-06
    • US09324715
    • 1999-06-03
    • Karsten EllerBernd FiegeStefan RittingerEberhard Fuchs
    • Karsten EllerBernd FiegeStefan RittingerEberhard Fuchs
    • C07C20948
    • C07C211/09C07C209/48
    • A process for preparing a secondary or tertiary 2-methyl-1,5-pen-tanediamine of the formula I where R1 and R2 are H, C1-C20-alkyl, C3-C8-cycloalkyl, aryl, C7-C20-arylalkyl, where the radicals R1 and R2 may bear substituents selected from the group consisting of C1-C20-alkyl, C1-C20-alkoxy, C6-C20-aryloxy and hydroxy, and R1 and R2 are not simultaneously hydrogen, or R1 and R2 are together an unsubstituted or C1-C20-alkyl- and/or C1-C20-alkoxy-substituted C3-C7-alkylene chain which may, if desired, be interrupted by one or two O or NR3 groups, where R3 is H or C1-C20-alkyl comprises reacting 2-methylglutarodinitrile with a primary or secondary amine of the formula R1R2NH and hydrogen at from 50 to 250° C. and pressures of from 0.5 to 35 MPa in the presence of an oxidic supported catalyst comprising one or more noble metals which has been treated with hydrogen at from 50 to 300° C. for at least 0.5 hour before use. The compound 1,5-bis(dimethylamino)-2-methylpentane is also claimed.
    • 制备式I其中R 1和R 2的仲或叔2-甲基-1,5-辛烷二胺的方法是H,C 1 -C 20 - 烷基,C 3 -C 8 - 环烷基,芳基,C 7 -C 20 - 芳烷基,其中 基团R 1和R 2可以具有选自C 1 -C 20 - 烷基,C 1 -C 20 - 烷氧基,C 6 -C 20 - 芳氧基和羟基的取代基,并且R 1和R 2不同时为氢,或者R 1和R 2一起为未取代或未取代的 C 1 -C 20烷基 - 和/或C 1 -C 20 - 烷氧基取代的C 3 -C 7 - 亚烷基链,如果需要,可以被一个或两个O或NR 3基团中断,其中R 3是H或C 1 -C 20烷基, - 甲基戊二腈与式R1R2NH的伯胺或仲胺和50-250℃的氢气和0.5-35MPa的压力在包含一种或多种已经用氢处理过的贵金属的氧化载体催化剂存在下 在使用前至少0.5小时,从50至300℃。 还要求化合物1,5-双(二甲基氨基)-2-甲基戊烷。