Coproduction of 6-aminocapronitrile and hexamethylenediamine
    1.
    发明授权
    Coproduction of 6-aminocapronitrile and hexamethylenediamine 失效
    共聚6-氨基己腈和六亚甲基二胺

    公开(公告)号:US5874607A

    公开(公告)日:1999-02-23

    申请号:US635653

    申请日:1996-04-22

    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.degree. 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: 在含镍催化剂存在下,在不低于室温的温度和氢分压升高的情况下,通过用氢气处理己二腈(ADN),共同生产6-氨基己腈(ACN)和六亚甲基二胺(HMD)的方法, 没有溶剂包括在基于ADN的转化和/或基于ACN的选择性之后,或者已经降低到低于定义的值(a)通过停止ADN和溶剂的进料而中止用氢处理ADN,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,(c)然后继续 用(b)阶段处理的催化剂氢化ADN。

    Preparation of amines and aminonitriles
    2.
    发明授权
    Preparation of amines and aminonitriles 失效
    胺和氨基腈的制备

    公开(公告)号:US5789621A

    公开(公告)日:1998-08-04

    申请号:US693983

    申请日:1996-08-08

    CPC分类号: C07C209/48 C07C209/52

    摘要: A process for preparing an NH.sub.2 -containing compound by hydrogenating a compound containing at least one unsaturated carbon-nitrogen bond with hydrogen in the presence of a catalyst at temperatures not below room temperature and elevated hydrogen partial pressure in the presence or absence of a solvent which process includes the following steps: a) using a catalyst comprising a cobalt- and/or iron-containing catalyst, and b) after the conversion based on the compound to be hydrogenated and/or the selectivity based on the desired product has or have dropped below a defined value or the amount of an unwanted by-product has risen beyond a defined value, interrupting the hydrogenation by stopping the feed of the compound to be hydrogenated and of the solvent, if used, c) treating the catalyst at from 150.degree. 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 d) subsequently continuing the hydrogenation of the compound containing at least one unsaturated carbon-nitrogen bond.

    摘要翻译: 在催化剂存在下,在不低于室温和升高的氢分压的情况下,在存在或不存在溶剂的情况下,通过氢化含有至少一个不饱和碳 - 氮键的化合物与氢气来制备含NH 2的化合物的方法, 方法包括以下步骤:a)使用包含含钴和/或含铁催化剂的催化剂,和b)基于待氢化的化合物转化后,和/或基于所需产物的选择性具有或已经下降 低于定义的值或不想要的副产物的量已经超过定义的值,如果使用,则通过停止待氢化化合物的进料和溶剂的中断氢化,c)在150℃下处理催化剂 在氢气压力为0.1〜30MPa,处理时间为2〜48h的范围内,使氢气变为400℃,d)随后继续进行水压 该化合物含有至少一个不饱和碳 - 氮键。

    Preparation of amines and aminonitriles
    3.
    发明授权
    Preparation of amines and aminonitriles 失效
    共同生产6-氨基己腈和6-六亚甲基二胺的方法

    公开(公告)号:US5827938A

    公开(公告)日:1998-10-27

    申请号:US635684

    申请日:1996-04-22

    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.degree. 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: 在含镍催化剂存在下,在不低于室温的温度和氢分压升高的情况下,通过用氢气处理己二腈(ADN),共同生产6-氨基己腈(ACN)和六亚甲基二胺(HMD)的方法, 没有溶剂包括在基于ADN的转化和/或基于ACN的选择性之后,或者已经降低到低于定义的值(a)通过停止ADN和溶剂的进料而中止用氢处理ADN,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,(c)然后继续 用(b)阶段处理的催化剂氢化ADN。

    Method of simultaneously producing 6-aminocapronitrile and
hexamethylenediamine
    4.
    发明授权
    Method of simultaneously producing 6-aminocapronitrile and hexamethylenediamine 有权
    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

    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。

    Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles
by partial hydrogenation of aliphatic dinitriles
    5.
    发明授权
    Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles 失效
    适用于通过脂肪族二腈的部分氢化制备脂族α,ω-氨基腈的催化剂

    公开(公告)号:US6110856A

    公开(公告)日:2000-08-29

    申请号:US214520

    申请日:1999-01-07

    CPC分类号: C07C253/30

    摘要: A catalyst suitable for preparing aliphatic alpha, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles comprises(a) metallic cobalt, a cobalt compound or a mixture thereof, the proportion of metallic cobalt based on (a) being from 20 to 100% by weight,(b) from 10 to 70% by weight, based on (a), of metallic iron, iron oxide, a further iron compound or a mixture thereof, the proportion of iron oxide based on (b) being from 20 to 100% by weight,(c) from 0 to 1% by weight, based on (a), of a compound based on an alkali metal, an alkaline earth metal or zinc.

    摘要翻译: PCT PCT / EP97 / 04547。 一九九九年一月七日 102(e)1999年1月7日PCT PCT 1997年8月21日PCT公布。 公开号WO98 / 11058 1998年3月19日,适用于通过部分氢化脂族二腈制备脂族α,ω-氨基腈的催化剂包括(a)金属钴,钴化合物或其混合物,基于(a)的金属钴的比例为20 至(b)10〜70重量%,基于(a)金属铁,氧化铁,其他铁化合物或其混合物,基于(b)的氧化铁的比例为 20〜100重量%,(c)0〜1重量%,基于(a)的碱金属,碱土金属或锌的化合物。

    Process for the manufacture of aliphatic alpha, omega amino nitriles
    7.
    发明授权
    Process for the manufacture of aliphatic alpha, omega amino nitriles 有权
    用于制造脂肪族α,ω-氨基腈的方法

    公开(公告)号:US06222059B1

    公开(公告)日:2001-04-24

    申请号:US09254570

    申请日:1999-03-10

    IPC分类号: C07C25504

    摘要: A process for preparing aliphatic alpha,omega-amino nitrites by partial hydrogenation of aliphatic alpha,omega-dinitriles in the presence of a catalyst, wherein the catalyst used for the partial hydrogenation comprises (a) iron or a compound based on iron or mixtures thereof and (b) from 0.01 to 5% by weight, based on (a), of a promoter based on 2,3,4 or 5 elements selected from the group consisting of aluminum, silicon, zirconium, titanium and vanadium and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or alkaline earth metal.

    摘要翻译: 在催化剂存在下通过部分氢化脂族α,ω-二腈制备脂族α,ω-氨基亚硝酸盐的方法,其中用于部分氢化的催化剂包括(a)铁或基于铁或其混合物的化合物 和(b)基于(a)0.01至5重量%的基于2,3,4或5个选自铝,硅,锆,钛和钒的元素的促进剂,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。

    Process for simultaneously preparing 6-aminocapronitrile and
hexamethylene diamine
    8.
    发明授权
    Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine 有权
    同时制备6-氨基己腈和六亚甲基二胺的方法

    公开(公告)号:US6147247A

    公开(公告)日:2000-11-14

    申请号:US254454

    申请日:1999-03-10

    CPC分类号: C07C209/48 C07C253/30

    摘要: A process for coproduction of 6-aminocapronitrile and hexamethylenediamine starting from a mixture comprising a phosphorus-containing compound and essentially adiponitrile and obtained by reaction of butadiene with hydrocyanic acid in the presence of a catalyst comprising a phosphorus-containing compound comprises(1) reducing the weight proportion of phosphorus-containing compound, calculated as phosphorus, in the mixture,(2) partially hydrogenating the resulting mixture in the presence of a catalyst to form an .alpha.,.omega.-aminonitrile, and(3) removing 6-aminocapronitrile and hexamethylenediamine from the mixture.

    摘要翻译: PCT No.PCT / EP97 / 04542 Sec。 371 1999年3月10日 102(e)1999年3月10日PCT PCT 1997年8月21日PCT公布。 公开号WO98 / 11051 日期:1998年3月19日从包含含磷化合物和基本上己二腈的混合物中共同生产6-氨基己腈和六亚甲基二胺并通过丁二烯与氢氰酸在含有磷化合物的催化剂存在下反应得到的方法包括 (1)在混合物中减少以磷计算的含磷化合物的重量比例,(2)在催化剂存在下部分氢化所得混合物以形成α,ω-氨基腈,和(3)除去6 - 氨基己腈和六亚甲基二胺。

    Method for producing aliphatic alpha, omega-amino nitriles
    9.
    发明授权
    Method for producing aliphatic alpha, omega-amino nitriles 有权
    生产脂肪族α,ω-氨基腈的方法

    公开(公告)号:US06255521B1

    公开(公告)日:2001-07-03

    申请号:US09508965

    申请日:2000-03-20

    IPC分类号: C07C25303

    摘要: The invention relates to a method for producing aliphatic alpha-omega amino nitriles in the presence of a catalyst composed of (a) iron or an iron based compound or a mixture thereof (b) 0.01 to 5 wt. %, in relation to (a), a promoter based on 2, 3, 4, or 5 elements selected from the group comprising aluminum, silicon, zirconium, titanium, and vanadium, and © to 0.5 wt. % in relation to (a) a compound based on an alkaline metal or alkaline-earth metal. The inventive method is characterized in that the aliphatic alpha-omega dinitrile contains 1.0 ppm or more phosphorus. Catalysts are obtainable through the reductive and optional successive passivation of magnetite, whereby the catalysts have a BET surface of 3 to 10 m2/g, a total pore volume of 0.05 to 0.2 ml/g, an average pore diameter of 0.03 to 0.1 mm and a pore volume portion in the range of 0.01 to 0.1 mm of 50 to 70%.

    摘要翻译: 本发明涉及在由(a)铁或铁基化合物或其混合物(b)组成的催化剂存在下,生产脂族α-ω氨基腈的方法(b)0.01至5wt。 %,关于(a),基于选自铝,硅,锆,钛和钒的2,3,4或5种元素的促进剂,和(C)至0.5重量% 相对于(a)基于碱金属或碱土金属的化合物的%。 本发明的方法的特征在于脂族α-ω二腈含有1.0ppm或更多的磷。 催化剂可以通过磁铁矿的还原和任选的连续钝化获得,其中催化剂的BET表面积为3至10m 2 / g,总孔体积为0.05至0.2ml / g,平均孔径为0.03至0.1mm, 0.01〜0.1mm的孔体积部分为50〜70%。