Method for obtaining hexamethylene diamine from mixtures containing
hexamethylene diamine
    13.
    发明授权
    Method for obtaining hexamethylene diamine from mixtures containing hexamethylene diamine 有权
    从含有六亚甲基二胺的混合物中获得六亚甲基二胺的方法

    公开(公告)号:US6139693A

    公开(公告)日:2000-10-31

    申请号:US367070

    申请日:1999-08-09

    CPC分类号: C07C209/84 Y10S203/20

    摘要: A process for recovering hexamethylenediamine (I) from a mixture (II) including(I) hexamethylenediamine,(III) hexamethyleneimine,(IV) a compound selected from 2-aminomethylcyclopentylamine and 1,2-diaminocyclohexane,(V) an imine,(VI) adiponitrile and 6-aminocapronitrileincludes distilling(a) a mixture (II) to obtain(a1) a low boiling fraction (III),(a2) a medium boiling fraction (VII) (I), (IV) and (V), and(a3) a high boiling fraction (V) and (VI),(b) a mixture (VII) to obtain(b1) an overhead product (IV), and(b2) a mixture (VIII) (I) and (V) as bottom product, and(c) a mixture (VIII) to obtain(c1) (I) as overhead product, and(c2) a bottom product (V).

    摘要翻译: PCT No.PCT / EP98 / 00506 Sec。 371日期1999年8月9日 102(e)1999年8月9日PCT 1998年1月30日PCT PCT。 第WO98 / 34903号公报 日本1998年8月13日从含有(I)六亚甲基二胺,(III)六亚甲基亚胺,(Ⅳ)选自2-氨基甲基环戊胺和1,2-二氨基环己烷的化合物的混合物(II)中回收六亚甲基二胺(I)的方法,(V) (VI)己二腈和6-氨基己腈包括蒸馏(a)混合物(II)以获得(a1)低沸点馏分(III),(a2)中沸点馏分(VII)(I),(IV )和(V),(a3)高沸点馏分(V)和(VI),(b)混合物(VII)得到(b1)塔顶馏出物(IV),(b2)混合物 )(I)和(V)作为底部产物,和(c)得到(c1)(I)作为塔顶产物的混合物(VIII)和(c2)底部产物(V)。

    Preparation of amines
    14.
    发明授权
    Preparation of amines 失效
    胺的制备

    公开(公告)号:US6057442A

    公开(公告)日:2000-05-02

    申请号:US159089

    申请日:1998-09-23

    摘要: Amines are prepared from primary or secondary alcohols and nitrogen compounds selected from the group of ammonia, primary and secondary amines, at from 80 to 250.degree. C. under pressures from 0.1 to 40 MPa with hydrogen in the presence of a catalyst comprising zirconium, copper and nickel, wherein the catalytically active composition comprises20-85% by weight of oxygen-containing zirconium compounds, calculated as ZrO.sub.2,1-30% by weight of oxygen-containing copper compounds, calculated as CuO,14-70% by weight of oxygen-containing nickel compounds, calculated as NiO, where the molar ratio of nickel to copper is greater than 1,0-10% by weight of oxygen-containing aluminum and/or manganese compounds, calculated as Al.sub.2 O.sub.3 and/or MnO.sub.2,and no oxygen-containing cobalt or molybdenum compounds.

    摘要翻译: 在含有锆,铜和铜的催化剂存在下,在氢气压力为0.1至40MPa的压力下,从伯,仲醇和选自氨,伯胺和仲胺的氮化合物制备胺。 和镍,其中催化活性组合物包含20-85重量%的以ZrO 2计算的含氧锆化合物,1-30重量%的以CuO计的含氧铜化合物,14-70重量% 以NiO计算的含氧镍化合物,其中镍与铜的摩尔比大于1-10重量%,以Al 2 O 3和/或MnO 2计算的含氧铝和/或锰化合物为0-10重量% 含氧钴或钼化合物。

    Coproduction of 6-aminocapronitrile and hexamethylenediamine
    15.
    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。

    Method of producing phthalic acid anhydride
    16.
    发明授权
    Method of producing phthalic acid anhydride 失效
    邻苯二甲酸酐的制备方法

    公开(公告)号:US06469183B1

    公开(公告)日:2002-10-22

    申请号:US09856292

    申请日:2001-05-21

    IPC分类号: C07D30789

    CPC分类号: C07C51/265 C07C63/16

    摘要: In a process for preparing phthalic anhydride by passing a gas stream comprising o-xylene, oxygen and sulfur dioxide at elevated temperature over a catalyst comprising heavy metals, the content of N-acyl compounds in the gas stream is restricted to less than 200 ppm, based on the weight of o-xylene.

    摘要翻译: 在通过使包含邻二甲苯,氧和二氧化硫的气流在升高的温度下通过包含重金属的催化剂制备邻苯二甲酸酐的方法中,气流中N-酰基化合物的含量被限制在小于200ppm, 基于邻二甲苯的重量。

    Method for producing hexamethylene diamine
    17.
    发明授权
    Method for producing hexamethylene diamine 有权
    六亚甲基二胺的制备方法

    公开(公告)号:US06359178B1

    公开(公告)日:2002-03-19

    申请号:US09762798

    申请日:2001-02-13

    IPC分类号: C07C20948

    CPC分类号: C07C209/48 C07C211/12

    摘要: A process for catalytic hydrogenation of adiponitrile to hexamethylenediamine at elevated temperature and elevated pressure in the presence of catalysts based on elemental iron as catalytically active component and ammonia as solvent comprises a) hydrogenating adiponitrile at from 70 to 220° C. and from 100 to 400 bar in the presence of catalysts based on elemental iron as catalytically active component and ammonia as solvent to obtain a mixture comprising adiponitrile, 6-aminocapronitrile, hexamethylenediamine and high boilers until the sum total of the 6-aminocapronitrile concentration and the adiponitrile concentration is within the range from 1 to 50% by weight, based on the ammonia-free hydrogenation mixture, b) removing ammonia from the hydrogenation effluent, c) removing hexamethylenediamine from the remaining mixture, d) separating 6-aminocapronitrile and adiponitrile from high boilers individually or together, and e) returning 6-aminocapronitrile, adiponitrile or mixtures thereof into step a).

    摘要翻译: 在基于作为催化活性组分的元素铁和作为溶剂的氨的催化剂存在下,在升高的温度和升高的压力下将己二腈催化氢化为己二胺的方法包括在70-220℃和100-400巴下氢化己二腈 在基于作为催化活性成分的元素铁和作为溶剂的氨的催化剂存在下,得到包含己二腈,6-氨基己腈,六亚甲基二胺和高沸点剂的混合物,直到6-氨基己腈浓度和己二腈浓度的总和在范围内 基于无氨氢化混合物,从1至50重量%,b)从氢化流出物中除去氨,c)从剩余的混合物中除去六亚甲基二胺,d)分别或一起从高锅炉中分离6-氨基己腈和己二腈, 和),返回6-氨基己腈,己二腈或其混合物 n步骤a)。

    Method of simultaneously producing 6-aminocapronitrile and
hexamethylenediamine
    18.
    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。

    Preparation of amines and aminonitriles
    20.
    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。