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    PROCESS FOR PREPARING METHYLENEDIPHENYL DIISOCYANATES
    1.
    发明申请
    PROCESS FOR PREPARING METHYLENEDIPHENYL DIISOCYANATES 有权
    制备亚甲基二苯甲酸酯的方法

    公开(公告)号：US20090240076A1

    公开(公告)日：2009-09-24

    申请号：US12394149

    申请日：2009-02-27

    申请人： Fritz Pohl ,  Andreas Bulan ,  Rainer Weber ,  Richard Adamson ,  Matthias Bohm ,  Christian Six

    发明人： Fritz Pohl ,  Andreas Bulan ,  Rainer Weber ,  Richard Adamson ,  Matthias Bohm ,  Christian Six

    IPC分类号： C07C263/10 ,  C25B1/34

    CPC分类号： C25B15/08 ,  C07C209/78 ,  C07C263/10 ,  C25B1/26 ,  C07C211/50 ,  C07C265/14

    摘要： The invention relates to a process for preparing methylenediphenyl diisocyanates which comprises at least the steps: A) reaction of aniline with formaldehyde in the presence of hydrochloric acid as catalyst to give a mixture of diamines and polyamines of the diphenylmethane series (MDA) and subsequent at least partial neutralization of the hydrochloric acid by means of alkali metal hydroxide, B) reaction of the mixture of diamines and polyamines of the diphenylmethane series obtained in step A) with phosgene to give a mixture of diisocyanates and polyisocyanates of the diphenylmethane series (MDI) and hydrogen chloride, wherein C) the hydrochloric acid which has been neutralized in step A) is separated off in the form of a solution containing alkali metal chloride and is subsequently at least partly fed to an electrochemical oxidation to form chlorine, alkali metal hydroxide and optionally hydrogen and D) at least part of the chlorine produced in step C) is used for preparing the phosgene used in step B).

    摘要翻译： 本发明涉及一种制备亚甲基二苯基二异氰酸酯的方法，其至少包括以下步骤：A）在盐酸作为催化剂存在下苯胺与甲醛的反应，得到二苯基甲烷系列（MDA）的二胺和多胺的混合物， 通过碱金属氢氧化物最小程度地中和盐酸，B）将步骤A）中得到的二苯基甲烷系列的二胺和多胺的混合物与光气反应，得到二苯基甲烷系列（MDI）的二异氰酸酯和多异氰酸酯的混合物， 和氯化氢，其中C）在步骤A）中已中和的盐酸以含有碱金属氯化物的溶液的形式分离，随后至少部分地进料至电化学氧化以形成氯，碱金属氢氧化物和 任选地氢和D）步骤C）中产生的至少一部分氯用于制备磷 在步骤B）中使用的烯。

    Process for preparing methylenediphenyl diisocyanates
    2.
    发明授权
    Process for preparing methylenediphenyl diisocyanates 有权
    亚甲基二苯基二异氰酸酯的制备方法

    公开(公告)号：US08318971B2

    公开(公告)日：2012-11-27

    申请号：US12394149

    申请日：2009-02-27

    申请人： Fritz Pohl ,  Andreas Bulan ,  Rainer Weber ,  Richard Adamson ,  Matthias Böhm ,  Christian Six

    发明人： Fritz Pohl ,  Andreas Bulan ,  Rainer Weber ,  Richard Adamson ,  Matthias Böhm ,  Christian Six

    IPC分类号： C07C249/00

    CPC分类号： C25B15/08 ,  C07C209/78 ,  C07C263/10 ,  C25B1/26 ,  C07C211/50 ,  C07C265/14

    摘要： The invention relates to a process for preparing methylenediphenyl diisocyanates which comprises at least the steps: A) reaction of aniline with formaldehyde in the presence of hydrochloric acid as catalyst to give a mixture of diamines and polyamines of the diphenylmethane series (MDA) and subsequent at least partial neutralization of the hydrochloric acid by means of alkali metal hydroxide, B) reaction of the mixture of diamines and polyamines of the diphenylmethane series obtained in step A) with phosgene to give a mixture of diisocyanates and polyisocyanates of the diphenylmethane series (MDI) and hydrogen chloride, wherein C) the hydrochloric acid which has been neutralized in step A) is separated off in the form of a solution containing alkali metal chloride and is subsequently at least partly fed to an electrochemical oxidation to form chlorine, alkali metal hydroxide and optionally hydrogen and D) at least part of the chlorine produced in step C) is used for preparing the phosgene used in step B).

    摘要翻译： 本发明涉及一种制备亚甲基二苯基二异氰酸酯的方法，其至少包括以下步骤：A）在盐酸作为催化剂存在下苯胺与甲醛的反应，得到二苯基甲烷系列（MDA）的二胺和多胺的混合物， 通过碱金属氢氧化物最小程度地中和盐酸，B）将步骤A）中得到的二苯基甲烷系列的二胺和多胺的混合物与光气反应，得到二苯基甲烷系列（MDI）的二异氰酸酯和多异氰酸酯的混合物， 和氯化氢，其中C）在步骤A）中已中和的盐酸以含有碱金属氯化物的溶液的形式分离，随后至少部分地进料至电化学氧化以形成氯，碱金属氢氧化物和 任选地氢和D）步骤C）中产生的至少一部分氯用于制备磷 在步骤B）中使用的烯。

    PROCESSES FOR THE PREPARATION OF CHLORINE FROM HYDROGEN CHLORIDE AND OXYGEN
    5.
    发明申请
    PROCESSES FOR THE PREPARATION OF CHLORINE FROM HYDROGEN CHLORIDE AND OXYGEN 审中-公开
    从氯化氢和氧气中制备氯化物的方法

    公开(公告)号：US20070274898A1

    公开(公告)日：2007-11-29

    申请号：US11752410

    申请日：2007-05-23

    申请人： Rainer Weber ,  Andreas Bulan ,  Michel Haas ,  Rafael Warsitz ,  Knud Werner

    发明人： Rainer Weber ,  Andreas Bulan ,  Michel Haas ,  Rafael Warsitz ,  Knud Werner

    IPC分类号： C01B7/04

    CPC分类号： B01D53/22 ,  B01D53/1456 ,  B01D2257/2045 ,  B01D2257/2064 ,  C01B7/04 ,  C01B7/0743 ,  Y02P20/154

    摘要： A process is disclosed comprising: (a) reacting hydrogen chloride and an oxygen-containing gas to form a gas mixture comprising chlorine, water, unreacted hydrogen chloride, and unreacted oxygen, wherein the oxygen-containing gas reacted with the hydrogen chloride has an oxygen content of not more than 99 vol. %; (b) cooling the gas mixture to form an aqueous solution of hydrogen chloride; (c) separating at least a portion of the aqueous solution of hydrogen chloride from the gas mixture; and (d) subjecting the gas mixture to a gas permeation to form a chlorine-rich gas stream and an oxygen-containing partial stream.

    摘要翻译： 公开了一种方法，其包括：（a）使氯化氢和含氧气体反应以形成包含氯，水，未反应的氯化氢和未反应的氧的气体混合物，其中与氯化氢反应的含氧气体具有氧 含量不超过99体积 ％; （b）冷却气体混合物以形成氯化氢水溶液; （c）从气体混合物中分离至少一部分氯化氢水溶液; 和（d）使气体混合物进行气体渗透以形成富氯气流和含氧部分流。

    PROCESSES FOR THE PREPARATION OF ISOCYANATES
    6.
    发明申请
    PROCESSES FOR THE PREPARATION OF ISOCYANATES 审中-公开
    制备异氰酸酯的方法

    公开(公告)号：US20070269365A1

    公开(公告)日：2007-11-22

    申请号：US11748634

    申请日：2007-05-15

    申请人： Rainer Weber ,  Jurgen Kintrup ,  Andreas Bulan ,  Alfred Soppe ,  Martin Weiss

    发明人： Rainer Weber ,  Jurgen Kintrup ,  Andreas Bulan ,  Alfred Soppe ,  Martin Weiss

    IPC分类号： C01B7/00 ,  C07C263/10

    CPC分类号： C07C263/10 ,  C01B7/035 ,  C01B7/04 ,  C01B7/0706 ,  C07C263/20 ,  C07C265/14

    摘要： Processes are described which comprise: (a) reacting chlorine with carbon monoxide to form phosgene; (b) reacting the phosgene with at least one organic amine to form at least one isocyanate and hydrogen chloride; (c) separating the hydrogen chloride; (d) oxidizing the hydrogen chloride with oxygen in a gas phase to form additional chlorine; and (e) recycling at least a portion of the additional chlorine to the reaction of the chlorine and the carbon monoxide; wherein the oxidation of the hydrogen chloride is initiated via a high energy source which may be selected from electron-exciting radiation, ionizing radiation, a gas discharge, a plasma, and combinations thereof.

    摘要翻译： 描述的方法包括：（a）使氯与一氧化碳反应以形成光气; （b）使光气与至少一种有机胺反应以形成至少一种异氰酸酯和氯化氢; （c）分离氯化氢; （d）在气相中用氧氧化氯化氢以形成额外的氯; 和（e）将至少一部分附加的氯回收到氯和一氧化碳的反应中; 其中氯化氢的氧化通过高能源引发，高能源可以选自电子激发辐射，电离辐射，气体放电，等离子体及其组合。

    Electrochemical cell
    7.
    发明申请
    Electrochemical cell 审中-公开
    电化学电池

    公开(公告)号：US20050029116A1

    公开(公告)日：2005-02-10

    申请号：US10897430

    申请日：2004-07-23

    申请人： Andreas Bulan ,  Michael Grossholz ,  Volker Michele ,  Hans-Joachim Brockhaus ,  Hans-Dieter Pinter ,  Fritz Gestermann ,  Rainer Weber

    发明人： Andreas Bulan ,  Michael Grossholz ,  Volker Michele ,  Hans-Joachim Brockhaus ,  Hans-Dieter Pinter ,  Fritz Gestermann ,  Rainer Weber

    IPC分类号： C25B9/08 ,  C25C1/00

    CPC分类号： C25B9/08

    摘要： The present invention describes an electrochemical cell, comprising at least an anode half-cell with an anode, a cathode half-cell with a cathode, and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the anode and/or the cathode is a gas diffusion electrode. And a gap is provided between the gas diffusion electrode and the ion exchange membrane, and the half-cell with the gas diffusion electrode has an electrolyte feed and an electrolyte discharge as well as a gas inlet and a gas outlet. The electrochemical cell preferably has an electrolyte feed that is hermetically connected to the gap.

    摘要翻译： 本发明描述了一种电化学电池，其至少包括具有阳极的阳极半电池，具有阴极的阴极半电池和布置在阳极半电池和阴极半电池之间的离子交换膜，阳极 和/或阴极是气体扩散电极。 并且在气体扩散电极和离子交换膜之间设置有间隙，并且具有气体扩散电极的半电池具有电解质进料和电解液排出以及气体入口和气体出口。 电化学电池优选地具有气密地连接到间隙的电解质进料。

    Electrochemical cell having a frame seal for alternative sealing against marginal leakages of the electrolyte
    10.
    发明授权
    Electrochemical cell having a frame seal for alternative sealing against marginal leakages of the electrolyte 有权
    电化学电池具有框架密封件，用于替代密封以防止电解液的边缘泄漏

    公开(公告)号：US09476131B2

    公开(公告)日：2016-10-25

    申请号：US14009457

    申请日：2012-04-19

    申请人： Randolf Kiefer ,  Peter Woltering ,  Rainer Weber ,  Andreas Bulan ,  Michael Grossholz

    发明人： Randolf Kiefer ,  Peter Woltering ,  Rainer Weber ,  Andreas Bulan ,  Michael Grossholz

    IPC分类号： H01M8/0273 ,  H01M2/08 ,  C25B9/08 ,  C25B9/20

    CPC分类号： C25B9/08 ,  C25B9/20 ,  H01M8/0273 ,  H01M8/0276 ,  H01M8/04283 ,  H01M8/08 ,  H01M8/083 ,  H01M2008/1095

    摘要： The invention relates to an electrochemical cell comprising an anode and a cathode compartment separated by a membrane, housing corresponding electrodes. The anode and the cathode compartments having external walls with frame-type flanged areas in the contact area of both compartments. The flanged areas having mounting bores marking an inner area and an outer area of the electrochemical cell a, gas-diffusion electrode resting on a support system, a porous material resting on the gas-diffusion electrode, and devices for the inlet and outlet of gas and electrolyte. At least one circumferential gasket frame is in the contact area of both compartments, between the frame-type flanged areas of the external walls of both compartments, said gasket resting on the membrane, with the porous material and the gas-diffusion electrode resting on the frame-type cathodic flanged area and the circumferential gasket frame overlapping in this area with the porous material and the gas-diffusion electrode.

    摘要翻译： 本发明涉及一种电化学电池，包括由膜隔开的阳极和阴极室，容纳对应的电极。 阳极和阴极隔室在两个隔室的接触区域中具有带框架式法兰区域的外壁。 凸缘区域具有标记电化学电池单元a的内部区域和外部区域的安装孔，搁置在支撑系统上的气体扩散电极，搁置在气体扩散电极上的多孔材料以及用于气体入口和出口的装置 和电解质。 至少一个周向垫圈框架位于两个隔室的接触区域中，两个隔室的外壁的框架型凸缘区域之间，所述垫片搁置在膜上，多孔材料和气体扩散电极位于 框式阴极凸缘区域和圆周垫圈框架在该区域与多孔材料和气体扩散电极重叠。