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    Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
    11.
    发明授权
    Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile 失效
    减少含有胺和腈的混合物中不饱和胺含量的方法

    公开(公告)号：US06828457B2

    公开(公告)日：2004-12-07

    申请号：US10432385

    申请日：2003-05-21

    Applicant: Frank Ohlbach ,  Christoph Benisch ,  Hermann Luyken ,  Andreas Ansmann ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Stefan Maixner

    Inventor： Frank Ohlbach ,  Christoph Benisch ,  Hermann Luyken ,  Andreas Ansmann ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Stefan Maixner

    IPC: C07C25334

    CPC classification number: C07C209/84 ,  C07C253/34

    Abstract: A process is provided for reducing the content of a monounsaturated aliphatic amine (III) in a mixture (IV) containing an aminonitrile (I) or a diamine (II), or mixtures thereof, and the amine (III), wherein a) the mixture (IV) is reacted with an anionic nucleophile (V),  which contains a nucleophilic atom selected from the group comprising oxygen, nitrogen and sulfur,  which is capable of taking up an H+ ion to form an acid with a pKa ranging from 7 to 11, measured in water at 25° C., and  which has a relative nucleophilicity, measured in methyl perchlorate/methanol at 25° C.,  ranging from 3.4 to 4.7 when oxygen is the nucleophilic atom,  ranging from 4.5 to 5.8 when nitrogen is the nucleophilic atom, and  ranging from 5.5 to 6.8 when sulfur is the nucleophilic atom,  in an amount ranging from 0.01 to 10 mol per mole of amine (III) in the mixture (IV), to give a mixture (VI), and b) the aminonitrile (I) or the diamine (II), or mixtures thereof, are distilled from the mixture (VI) at a temperature ranging from 50 to 170° C. and a pressure ranging from 0.5 to 100 kPa.

    Abstract translation: 提供了一种降低含有氨基腈（I）或二胺（II）或其混合物的混合物（IV）中的单不饱和脂族胺（III）和胺（III）的含量的方法，其中a）混合物 （IV）与阴离子亲核试剂（V）反应，所述阴离子亲核试剂（V）含有选自氧，氮和硫的亲核原子，其能够吸收H +离子以形成pKa范围从 7至11，在25℃的水中测量，并且当氧是亲核原子时，在25℃的甲基高氯酸甲酯/甲醇中测量的范围为3.4至4.7，当氮气为4.5至5.8时，其具有相对的亲核性 是亲核原子，当硫是亲核原子时，其摩尔数为5.5至6.8，其量为每摩尔混合物（IV）中的胺（III）为0.01至10摩尔，得到混合物（Ⅵ），和b） 氨基腈（I）或二胺（II）或其混合物在温度下从混合物（VI）中蒸馏出 e范围为50至170℃，压力范围为0.5至100kPa。

    Continuous method for producing polyamides from aminonitriles
    12.
    发明授权
    Continuous method for producing polyamides from aminonitriles 失效
    从氨腈生产聚酰胺的连续方法

    公开(公告)号：US06815527B2

    公开(公告)日：2004-11-09

    申请号：US10332579

    申请日：2003-01-10

    Applicant: Peter Bassler ,  Helmut Winterling ,  Rolf-Hartmuth Fischer ,  Wolfgang Loth

    Inventor： Peter Bassler ,  Helmut Winterling ,  Rolf-Hartmuth Fischer ,  Wolfgang Loth

    IPC: C08G6904

    CPC classification number: C08G69/04 ,  C08G69/08 ,  C08G69/16

    Abstract: The continuous process for preparing a polyamide by reacting at least one aminonitrile with water comprises: (1) reacting at least one aminonitrile with water in the presence of an organic liquid diluent at from 90 to 400° C. and from 0.1 to 35×106 Pa in a flow tube containing a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, to obtain a reaction mixture, (2) further reacting the reaction mixture at from 150 to 400° C. and a pressure which is lower than the pressure in stage 1 in the presence of a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, the temperature and pressure being selected so as to obtain a first gas phase and a first liquid phase or a first solid phase or a mixture of first solid and first liquid phases and so that the first gas phase is separated from the first liquid phase or first solid phase or from the mixture of first liquid and first solid phases, and (3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phases with a gaseous or liquid phase comprising water at from 150 to 370° C. and from 0.1 to 30×106 Pa, to obtain a product mixture.

    Abstract translation: 通过使至少一种氨基腈与水反应制备聚酰胺的连续方法包括：（1）在有机液体稀释剂存在下，在90至400℃和0.1至35×10 6时使至少一种氨基腈与水反应 在含有选自β-沸石催化剂，片状硅酸盐催化剂或二氧化钛催化剂的布朗斯台德酸催化剂的流动管中包含70至100重量％的锐钛矿和0至30重量％的金红石和 其中高达40重量％的二氧化钛可以被氧化钨代替，以获得反应混合物，（2）使反应混合物在150-400℃下进一步反应，并且压力低于压力 在选自β-沸石催化剂，片状硅酸盐催化剂或二氧化钛催化剂的布朗斯台德酸催化剂存在下，其包含70至100重量％的锐钛矿和0至30重量％的金红石，以及 其中高达40％的重量 二氧化钛可以被氧化钨代替，选择温度和压力以获得第一气相和第一液相或第一固相或第一固相和第一液相的混合物，使得第一气相 与第一液相或第一固相或第一液相和第一固相的混合物分离，和（3）将第一液体或第一固相或第一液相和第一固相的混合物与气体或 液相，其包含150至370℃和0.1至30×10 6 Pa的水，以获得产物混合物。

    Method for producing 1,6-hexanediol
    13.
    发明授权
    Method for producing 1,6-hexanediol 有权
    1,6-己二醇的制备方法

    公开(公告)号：US06407294B1

    公开(公告)日：2002-06-18

    申请号：US09529789

    申请日：2000-04-20

    Applicant: Boris Breitscheidel ,  Rolf Pinkos ,  Frank Stein ,  Shelue Liang ,  Rolf Hartmuth Fischer

    Inventor： Boris Breitscheidel ,  Rolf Pinkos ,  Frank Stein ,  Shelue Liang ,  Rolf Hartmuth Fischer

    IPC: C07C2700

    CPC classification number: C07C29/149 ,  C07C2601/08 ,  C07C35/06 ,  C07C31/135 ,  C07C31/20

    Abstract: A process for producing 1,6-hexanediol by hydrogenation of adipic esters and/or 6-hydroxycaproic esters in the gas phase at elevated temperature and elevated pressure in the presence of chromium-free catalysts comprises hydrogenating a) over a catalyst comprising copper, manganese and aluminum as essential constituents or over Raney copper, b) at a temperature of from 150 to 230° C. and a pressure of from 10 to 70 bar, c) at a molar ratio of hydrogen to ester to be hydrogenated within the range from 150:1 to 300:1, and d) at a catalyst space velocity of from 0.01 to 0.3 kg of C6 ester per liter of catalyst per hour.

    Abstract translation: 在无铬催化剂存在下，在升高的温度和升高的压力下，气相中己二酸酯和/或6-羟基己酸酯的氢化制备1,6-己二醇的方法包括在包含铜，锰和 铝作为必需组分或在阮内铜上，b）在150-230℃的温度和10至70巴的压力下，c）以氢化至酯的摩尔比在150℃的范围内 ：1至300:1，和d），催化剂空速为每升催化剂每小时0.01至0.3kg的C6酯。

    Preparation of amines and aminonitriles
    14.
    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

    Applicant: Werner Schnurr ,  Guido Voit ,  Klemens Flick ,  Rolf-Hartmuth Fischer

    Inventor： Werner Schnurr ,  Guido Voit ,  Klemens Flick ,  Rolf-Hartmuth Fischer

    IPC: B01J23/78 ,  B01J23/94 ,  B01J27/187 ,  B01J27/28 ,  B01J38/10 ,  C07B43/04 ,  C07B61/00 ,  C07C20060101 ,  C07C209/48 ,  C07C209/52 ,  C07C211/12 ,  C07C211/35 ,  C07C253/30 ,  C07C255/24 ,  C07C209/02

    CPC classification number: C07C209/48 ,  C07C209/52

    Abstract: 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.

    Abstract translation: 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。

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