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    Method for the production of 1,4- butanediol
    56.
    发明授权
    Method for the production of 1,4- butanediol 失效
    1,4-丁二醇生产方法

    公开(公告)号：US07154011B2

    公开(公告)日：2006-12-26

    申请号：US10517263

    申请日：2003-06-10

    Applicant: Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rösch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

    Inventor： Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rösch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

    IPC: C07C29/149

    CPC classification number: C07C29/149 ,  Y02P20/582 ,  C07C31/207

    Abstract: The present invention relates to a process for preparing optionally alkyl-substituted 1,4-butanediol by two-stage catalytic hydrogenation in the gas phase of C4-dicarboxylic acids and/or of derivatives thereof having the following steps: a) introducing a gas stream of a C4-dicarboxylic acid or of a derivative thereof at from 200 to 300° C. and from 10 to 100 bar into a first reactor or into a first reaction zone of a reactor and catalytically hydrogenating it in the gas phase to a product which contains mainly optionally alkyl-substituted γ-butyrolactone; b) introducing the product stream obtained in this way into a second reactor or into a second reaction zone of a reactor at a temperature of from 140° C. to 260° C. and catalytically hydrogenating it in the gas phase to optionally alkyl-substituted 1,4-butanediol; steps a) and b) being carried out at the same pressure; c) removing the desired product from intermediates, by-products and any unconverted reactants; d) optionally recycling unconverted intermediates into one or both hydrogenation stages, said hydrogenation stages each using a catalyst which comprises ≦95% by weight, preferably from 5 to 95% by weight, in particular from 10 to 80% by weight, of CuO, and ≧5% by weight, preferably from 5 to 95% by weight, in particular from 20 to 90% by weight, of an oxidic support, and the product mixture removed from the first hydrogenation stage being introduced without further purification into the second hydrogenation stage.

    Abstract translation: 本发明涉及通过在具有下列物质的C 4 - 二羧酸和/或其衍生物的气相中通过两阶段催化氢化制备任选的烷基取代的1,4-丁二醇的方法 步骤：a）将200-300℃和10-100巴的C 4-14二羧酸或其衍生物的气流引入第一反应器或第一反应 并将其在气相中催化氢化成主要包含烷基取代的γ-丁内酯的产物; b）将以这种方式获得的产物流在140℃至260℃的温度下引入第二反应器或反应器的第二反应区，并将其在气相中催化氢化为任选的烷基取代的 1,4-丁二醇 步骤a）和b）在相同的压力下进行; c）从中间体，副产物和任何未转化的反应物中除去所需的产物; d）任选地将未转化的中间体再循环到一个或两个氢化阶段中，所述氢化阶段各自使用包含<= 95重量％，优选5至95重量％，特别是10至80重量％的CuO ，和> = 5重量％，优选5至95重量％，特别是20至90重量％的氧化载体，并将从第一氢化步骤除去的产物混合物不经进一步纯化引入到 第二加氢阶段。

    Preparation of 1,6-hexanediol
    57.
    发明授权
    Preparation of 1,6-hexanediol 失效
    1,6-己二醇的制备

    公开(公告)号：US07064239B2

    公开(公告)日：2006-06-20

    申请号：US10537829

    申请日：2003-12-03

    Applicant: Rolf-Hartmuth Fischer ,  Thomas Krug ,  Andrea Haunert ,  Michael Röper ,  Tilman Sirch ,  Wolfram Stüer

    Inventor： Rolf-Hartmuth Fischer ,  Thomas Krug ,  Andrea Haunert ,  Michael Röper ,  Tilman Sirch ,  Wolfram Stüer

    IPC: C07C31/20 ,  C07C31/18

    CPC classification number: C07C29/177 ,  C07C31/20

    Abstract: The present invention provides a process for preparing 1,6-hexanediol having a purity of ≧99.5% by weight by catalytically dimerizing acrylic esters and catalytically hydrogenating the hexenedioic diesters obtained in this way to 1,6-hexanediol by a) dimerizing C1- to C8-acrylic esters in the presence of at least one rhodium compound to give mixtures of predominantly 2- and 3-hexenedioic diesters, b) hydrogenating the resulting dimerizing effluent in the presence of chromium-free catalysts comprising predominantly copper as the hydrogenation component and c) purifying the crude 1,6-hexanediol obtained in this way by fractional distillation.

    Abstract translation: 本发明提供了一种通过催化二聚丙烯酸酯制备纯度> 99.5％（重量）的1,6-己二醇的方法，并将以这种方式获得的己二酸二酯催化氢化， 在至少一种铑化合物的存在下加入到C 8 - 丙烯酸酯中，得到主要为2-和3-己烯二酸二酯的混合物，b）将得到的二聚流出物 在主要含有铜作为氢化组分的无铬催化剂的存在下，和c）通过分馏纯化以这种方式得到的粗制1,6-己二醇。

    Catalyst and method for the production of polytetrahydrofuran
    58.
    发明授权
    Catalyst and method for the production of polytetrahydrofuran 有权
    用于生产聚四氢呋喃的催化剂和方法

    公开(公告)号：US07041752B2

    公开(公告)日：2006-05-09

    申请号：US10481564

    申请日：2002-06-24

    Applicant: Stephan Schlitter ,  Christoph Sigwart ,  Walter Dörflinger ,  Michael Hesse ,  Rolf-Hartmuth Fischer

    Inventor： Stephan Schlitter ,  Christoph Sigwart ,  Walter Dörflinger ,  Michael Hesse ,  Rolf-Hartmuth Fischer

    IPC: B01J29/06

    CPC classification number: B01J21/16 ,  B01J35/10 ,  B01J35/1061 ,  B01J35/1066 ,  C08G65/20 ,  C08G65/2657

    Abstract: Polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers are prepared by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer, which is in the form of shaped catalyst bodies or catalyst particles having a volume of the individual shape of the body or particle of at least 0.05 mm3, preferably at least 0.2 mm3, in particular 1 mm3, and has at least one of the features a) and b): a) a pore radius distribution having at least one maximum in the pore radius range from 100 to 5000 Å, b) a pore volume of catalyst pores having radii of 200–3000 Å of greater than 0.05 cm3/g and/or a pore volume of pores having radii of 200–5000 Å of greater than 0.075 cm3/g and/or a pore volume of pores having radii of >200 Å of greater than 0.1 cm3/g.

    Abstract translation: 这些聚合物的聚四氢呋喃，聚四氢呋喃共聚物，二酯或单酯通过四氢呋喃在至少一种具有各种形状的成型催化剂体或催化剂颗粒的形式的存在下， 至少0.05mm 3的体或颗粒，优选至少0.2mm 3，特别是1mm 3，并且具有至少一个 的特征a）和b）：a）孔半径分布在孔半径范围内具有至少一个最大值为100至5000，b）具有大于0.05的半径的催化剂孔的孔体积为200-3000 cm 3 / g和/或具有大于0.075cm 3 / g的半径为200-5000的孔的孔体积和/或具有 > 200的半径大于0.1cm 3 / g。

    Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine
    59.
    发明授权
    Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine 失效
    从含有6-氨基己腈，己二胺和六亚甲基二胺的混合物中除去6-氨基己腈的方法

    公开(公告)号：US06972075B2

    公开(公告)日：2005-12-06

    申请号：US10311376

    申请日：2001-06-13

    Applicant: Hermann Luyken ,  Frank Ohlbach ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Andreas Ansmann ,  Günther Achhammer

    Inventor： Hermann Luyken ,  Frank Ohlbach ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Andreas Ansmann ,  Günther Achhammer

    IPC: C07C209/48 ,  C07C253/34 ,  C07C255/03 ,  C07C255/24 ,  B01D3/14

    CPC classification number: C07C253/34 ,  C07C209/48 ,  Y10S203/20 ,  C07C255/24

    Abstract: The invention relates to a method for removing, by distillation, 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine, by a) removing the hexamethylenediamine from the mixture while obtaining a mixture (I) that has a hexamethylenediamine content of less than 1 wt. -%, b) removing completely or partially the 6-aminocapronitrile from mixture (I) while obtaining a mixture (II) whose content in substances that have a higher boiling point as 6-aminocapronitrile under distillation conditions and that cannot be formed by dimerization reactions when 6-aminocapronitrile is thermally treated is less than 1 wt. -%, and c) completely or partially removing from mixture (II) the hexamethylenediamine that might be present while obtaining a mixture (IV) whose hexamethylenediamine content is higher than that of mixture (II), and a mixture (V) whose hexamethylenediamine content is lower than that of mixture (II).

    Abstract translation: 本发明涉及一种通过以下方法：从含有6-氨基己腈，己二腈和六亚甲基二胺的混合物中蒸馏除去6-氨基己腈，方法是a）从混合物中除去六亚甲基二胺，同时得到六亚甲基二胺含量少的混合物（I） 超过1wt。 - ％，b）从混合物（I）中完全或部分地除去6-氨基己腈，同时得到其在蒸馏条件下具有较高沸点的物质中的含量为6-氨基己腈的混合物（II），并且不能通过二聚反应形成 当6-氨基己腈被热处理时小于1wt。 - ％，和c）在获得六亚甲基二胺含量高于混合物（II）的混合物（Ⅳ）的同时，可能存在的六亚甲基二胺的混合物（II）完全或部分地除去，和（VI）的六亚甲基二胺含量 低于混合物（II）。

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