公开(公告)号：US20060089507A1

公开(公告)日：2006-04-27

申请号：US10538119

申请日：2003-12-13

申请人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Jurgen Pallasch ,  Michael Sander ,  Hans Schwarz ,  Wolfgang Mackenroth

发明人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Jurgen Pallasch ,  Michael Sander ,  Hans Schwarz ,  Wolfgang Mackenroth

IPC分类号： C07C263/04

CPC分类号： C07C263/20 ,  C07C263/10 ,  C07C265/14

摘要： The present invention relates to a process for preparing isocyanates by reaction of amines with phosgene in a reactor and subsequent separation of the isocyanate from the reaction mixture leaving the reactor and purification of the isocyanate, wherein the separation and purification of the isocyanate is carried out in a column having a pressure at the top of 1-950 mbar, preferably 5-50 mbar, particularly preferably 10-20 mbar, and a temperature at the bottom of 90-250° C., preferably 120-170° C., particularly preferably 130-150° C., and the pure isocyanate stream is preferably taken off in liquid or gaseous form at a side offtake of the column.

摘要翻译： 本发明涉及通过在反应器中将胺与光气反应制备异氰酸酯的方法，随后将异氰酸酯从离开反应器的反应混合物中分离并纯化异氰酸酯，其中异氰酸酯的分离和纯化在 具有顶部压力为1-950毫巴，优选5-50毫巴，特别优选10-20毫巴，塔底温度为90-250℃，优选120-170℃的塔，特别是 优选130-150℃，并且纯异氰酸酯流优选在液体或气体形式的塔的出口侧取出。

公开(公告)号：US20060011463A1

公开(公告)日：2006-01-19

申请号：US10539610

申请日：2003-12-13

申请人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Jurgen Pallasch ,  Peter Van Den Abeel ,  Filip Deberdt ,  Jan Jacobs ,  Wolfgang Mackenroth

发明人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Jurgen Pallasch ,  Peter Van Den Abeel ,  Filip Deberdt ,  Jan Jacobs ,  Wolfgang Mackenroth

IPC分类号： B01D3/34 ,  C07C263/00 ,  B01D3/10

CPC分类号： C07C263/10 ,  C07C263/20 ,  Y10S203/08 ,  C07C265/14

摘要： The invention relates to a process for preparing isocyanates by reaction of amines with phosgene in the presence of inert organic solvents in a reactor and subsequent work-up of the reaction mixture leaving the reactor, wherein the solvent is separated off in a two-stage or multistage, preferably two-stage, distillation process in which the solvent is separated off at a pressure of 0.1-15 bar in a first apparatus and at 1-900 mbar in a second apparatus or further apparatuses, with the heat of condensation of the solvent vapor from the first apparatus being used for partial or complete vaporization of solvent in the second apparatus.

摘要翻译： 本发明涉及通过在反应器中在惰性有机溶剂存在下胺与光气反应制备异氰酸酯的方法，随后后处理离开反应器的反应混合物，其中将溶剂分离成两段或 多级，优选两级蒸馏方法，其中溶剂在第一装置中在0.1-15巴的压力下分离，在第二装置或其它装置中以1-900毫巴分离，其中溶剂的冷凝热 来自第一装置的蒸气用于在第二装置中部分或完全蒸发溶剂。

公开(公告)号：US20060123842A1

公开(公告)日：2006-06-15

申请号：US10538759

申请日：2003-12-13

申请人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Jurgen Pallasch ,  Peter Abeel ,  Filip Deberdt ,  Jan Jacobs ,  Wolfgang Mackenroth

发明人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Jurgen Pallasch ,  Peter Abeel ,  Filip Deberdt ,  Jan Jacobs ,  Wolfgang Mackenroth

IPC分类号： F25J3/00

CPC分类号： C01B7/0731 ,  B01D53/002 ,  B01D2257/2045 ,  B01D2257/2064 ,  C01B7/0712 ,  C01B32/80 ,  C07C263/10 ,  Y02P20/154 ,  C07C265/14 ,  C07C265/12 ,  C07C265/10

摘要： The invention relates to a process for the partial or complete separation of a mixture comprising hydrogen chloride and phosgene, possibly solvents and possibly low boilers and inerts as are typically obtained in the preparation of isocyanates by reaction of amines with phosgene, which comprises firstly carrying out a partial or complete condensation of phosgene, then a distillation or stripping step in a column to remove the hydrogen chloride from the bottom product phosgene and subsequently a scrub of the top product hydrogen chloride by means of the process solvent to absorb the phosgene in the process solvent. An after-purification by means of adsorption on activated carbon or by another suitable method can subsequently be carried out to remove solvent residues.

公开(公告)号：US07851648B2

公开(公告)日：2010-12-14

申请号：US10539802

申请日：2003-12-13

申请人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Rene Leuthold ,  Andreas Brodhagen ,  Andreas Woelfert ,  Wolfgang Mackenroth ,  Markus Maurer

发明人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Rene Leuthold ,  Andreas Brodhagen ,  Andreas Woelfert ,  Wolfgang Mackenroth ,  Markus Maurer

IPC分类号： C07C249/00

CPC分类号： C07C263/10 ,  C07C265/14

摘要： The invention relates to a process for preparing polyisocyanates by reacting organic amines with phosgene, wherein the reaction is carried out in at least three stages, with the first stage being carried out in a mixing apparatus, the second stage in at least one residence apparatus and the third stage in at least one separation apparatus and the pressure in each successive stage being lower than that in the previous stage.

摘要翻译： 本发明涉及一种通过使有机胺与光气反应制备多异氰酸酯的方法，其中反应进行至少三个阶段，第一阶段在混合装置中进行，第二阶段在至少一个停留装置中进行， 在至少一个分离装置中的第三阶段，并且每个连续阶段中的压力低于前一阶段的压力。

公开(公告)号：US20060252960A1

公开(公告)日：2006-11-09

申请号：US10539802

申请日：2003-12-13

申请人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Has-Juergen Pallasch ,  Rene Leuthold ,  Andreas Brodhagen ,  Andreas Woelfert ,  Wolfgang Mackenroth ,  Markus Maurer

发明人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Has-Juergen Pallasch ,  Rene Leuthold ,  Andreas Brodhagen ,  Andreas Woelfert ,  Wolfgang Mackenroth ,  Markus Maurer

IPC分类号： C07C263/10

CPC分类号： C07C263/10 ,  C07C265/14

摘要： The invention relates to a process for preparing polyisocyanates by reacting organic amines with phosgene, wherein the reaction is carried out in at least three stages, with the first stage being carried out in a mixing apparatus, the second stage in at least one residence apparatus and the third stage in at least one separation apparatus and the pressure in each successive stage being lower than that in the previous stage.

摘要翻译： 本发明涉及一种通过使有机胺与光气反应制备多异氰酸酯的方法，其中反应进行至少三个阶段，第一阶段在混合装置中进行，第二阶段在至少一个停留装置中进行， 在至少一个分离装置中的第三阶段，并且每个连续阶段中的压力低于前一阶段的压力。

公开(公告)号：US07584629B2

公开(公告)日：2009-09-08

申请号：US10538759

申请日：2003-12-13

申请人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Peter Van Den Abeel ,  Filip Deberdt ,  Jan D. Jacobs ,  Wolfgang Mackenroth

发明人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Peter Van Den Abeel ,  Filip Deberdt ,  Jan D. Jacobs ,  Wolfgang Mackenroth

IPC分类号： F25J3/00 ,  C07C69/96

CPC分类号： C01B7/0731 ,  B01D53/002 ,  B01D2257/2045 ,  B01D2257/2064 ,  C01B7/0712 ,  C01B32/80 ,  C07C263/10 ,  Y02P20/154 ,  C07C265/14 ,  C07C265/12 ,  C07C265/10

摘要： The invention relates to a process for the partial or complete separation of a mixture comprising hydrogen chloride and phosgene, possibly solvents and possibly low boilers and inerts as are typically obtained in the preparation of isocyanates by reaction of amines with phosgene, which comprises firstly carrying out a partial or complete condensation of phosgene, then a distillation or stripping step in a column to remove the hydrogen chloride from the bottom product phosgene and subsequently a scrub of the top product hydrogen chloride by means of the process solvent to absorb the phosgene in the process solvent. An after-purification by means of adsorption on activated carbon or by another suitable method can subsequently be carried out to remove solvent residues.

摘要翻译： 本发明涉及一种部分或完全分离包含氯化氢和光气的混合物的方法，可能是溶剂和可能的低沸点和惰性物质，通常通过胺与光气的反应在异氰酸酯的制备中获得，其包括首先进行 光气的部分或完全缩合，然后在塔中进行蒸馏或汽提步骤以从底部产物光气中除去氯化氢，随后通过工艺溶剂擦洗顶部产物氯化氢以在该方法中吸收光气 溶剂。 随后可以通过在活性炭上的吸附或通过另一种合适的方法进行后期纯化以除去溶剂残余物。

公开(公告)号：US07524405B2

公开(公告)日：2009-04-28

申请号：US10539610

申请日：2003-12-13

申请人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Peter Van Den Abeel ,  Filip Deberdt ,  Jan D. Jacobs ,  Wolfgang Mackenroth

发明人： Martin Sohn ,  Eckhard Stroefer ,  Filip Nevejans ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Peter Van Den Abeel ,  Filip Deberdt ,  Jan D. Jacobs ,  Wolfgang Mackenroth

IPC分类号： B01D3/00 ,  C07C263/20

CPC分类号： C07C263/10 ,  C07C263/20 ,  Y10S203/08 ,  C07C265/14

摘要： The invention relates to a process for preparing isocyanates by reaction of amines with phosgene in the presence of inert organic solvents in a reactor and subsequent work-up of the reaction mixture leaving the reactor, wherein the solvent is separated off in a two-stage or multistage, preferably two-stage, distillation process in which the solvent is separated off at a pressure of 0.1-15 bar in a first apparatus and at 1-900 mbar in a second apparatus or further apparatuses, with the heat of condensation of the solvent vapor from the first apparatus being used for partial or complete vaporization of solvent in the second apparatus.

摘要翻译： 本发明涉及通过在反应器中在惰性有机溶剂存在下胺与光气反应制备异氰酸酯的方法，随后后处理离开反应器的反应混合物，其中将溶剂分离成两段或 多级，优选两级蒸馏方法，其中溶剂在第一装置中在0.1-15巴的压力下分离，在第二装置或其它装置中以1-900毫巴分离，其中溶剂的冷凝热 来自第一装置的蒸气用于在第二装置中部分或完全蒸发溶剂。

公开(公告)号：US20070083065A1

公开(公告)日：2007-04-12

申请号：US10585648

申请日：2005-01-07

申请人： Carsten Knoesche ,  Martin Sohn ,  Ulrich Penzel ,  Hans-Jurgen Pallach ,  Gunter Georgi ,  Wolfgang Mackenroth ,  Hans Schwarz ,  Stefan Maixner ,  Gerald Molz ,  Eckhard Stroefer

发明人： Carsten Knoesche ,  Martin Sohn ,  Ulrich Penzel ,  Hans-Jurgen Pallach ,  Gunter Georgi ,  Wolfgang Mackenroth ,  Hans Schwarz ,  Stefan Maixner ,  Gerald Molz ,  Eckhard Stroefer

IPC分类号： C07C209/84

CPC分类号： C07C209/84 ,  C07C211/50

摘要： The invention relates to a process for distillatively preparing TDA from a reactant stream comprising TDA, high boilers and low boilers in a dividing wall column in which a dividing wall is disposed in the longitudinal direction of the column to form an upper combined column region (2), a lower combined column region (3), a feed section (4) having a rectifying section (5) and stripping section (6), and also a withdrawal section (7) having a rectifying section (9) and stripping section (8), which comprises the following steps: a. feeding the reactant stream (13) into the feed section (4) of the dividing wall column (1); b. drawing off a low boiler fraction via the top of the column (11); c. drawing off TDA via a side draw (14) in the withdrawal section (7) of the dividing wall column (1); d. drawing off a low boiler fraction via the bottom of the column (12).

摘要翻译： 本发明涉及从分隔壁塔中的TDA，高锅炉和低锅炉的反应物流中蒸馏制备TDA的方法，其中分隔壁沿塔的长度方向设置以形成上部组合塔区域（2 ），下组合柱区域（3），具有精馏段（5）和汽提区段（6）的进料段（4），以及具有整流段（9）和汽提段 8），其中包括以下步骤：a。 将反应物流（13）进料到分隔壁塔（1）的进料段（4）中; b。 通过塔（11）的顶部排出低沸点馏分; C。 通过分隔壁塔（1）的抽出部分（7）中的侧拉（14）抽出TDA; d。 通过柱（12）的底部排出低沸点馏分。

公开(公告)号：US07342134B2

公开(公告)日：2008-03-11

申请号：US10585648

申请日：2005-01-07

申请人： Carsten Knoesche ,  Martin Sohn ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Gunter Georgi ,  Wolfgang Mackenroth ,  Hans Volkmar Schwarz ,  Stefan Maixner ,  Gerald Molz ,  Eckhard Stroefer

发明人： Carsten Knoesche ,  Martin Sohn ,  Ulrich Penzel ,  Hans-Juergen Pallasch ,  Gunter Georgi ,  Wolfgang Mackenroth ,  Hans Volkmar Schwarz ,  Stefan Maixner ,  Gerald Molz ,  Eckhard Stroefer

IPC分类号： C07C209/00

CPC分类号： C07C209/84 ,  C07C211/50

摘要： The invention relates to a process for distillatively preparing TDA from a reactant stream comprising TDA, high boilers and low boilers in a dividing wall column in which a dividing wall is disposed in the longitudinal direction of the column to form an upper combined column region (2), a lower combined column region (3), a feed section (4) having a rectifying section (5) and stripping section (6), and also a withdrawal section (7) having a rectifying section (9) and stripping section (8), which comprises the following steps: a. feeding the reactant stream (13) into the feed section (4) of the dividing wall column (1); b. drawing off a low boiler fraction via the top of the column (11); c. drawing off TDA via a side draw (14) in the withdrawal section (7) of the dividing wall column (1); d. drawing off a low boiler fraction via the bottom of the column (12).

摘要翻译： 本发明涉及从分隔壁塔中的TDA，高锅炉和低锅炉的反应物流中蒸馏制备TDA的方法，其中分隔壁沿塔的长度方向设置以形成上部组合塔区域（2 ），下组合柱区域（3），具有精馏段（5）和汽提区段（6）的进料段（4），以及具有整流段（9）和汽提段 8），其中包括以下步骤：a。 将反应物流（13）进料到分隔壁塔（1）的进料段（4）中; b。 通过塔（11）的顶部排出低沸点馏分; C。 通过分隔壁塔（1）的抽出部分（7）中的侧拉（14）抽出TDA; d。 通过柱（12）的底部排出低沸点馏分。

公开(公告)号：US20060223966A1

公开(公告)日：2006-10-05

申请号：US10546890

申请日：2004-02-20

申请人： Andreas Brodhagen ,  Martin Sohn ,  Filip Nevejans ,  Eckhard Stroefer ,  Andreas Wölfert ,  Steffen Oehlenschläger

发明人： Andreas Brodhagen ,  Martin Sohn ,  Filip Nevejans ,  Eckhard Stroefer ,  Andreas Wölfert ,  Steffen Oehlenschläger

IPC分类号： C08G18/00

CPC分类号： B01J19/242 ,  B01J19/243 ,  B01J2219/00166 ,  B01J2219/182 ,  B01J2219/185 ,  B01J2219/187 ,  C07C263/10 ,  C07C265/14

摘要： The invention relates to a process for preparing polyisocyanates by reacting primary amines with phosgene, which comprises the steps a) mixing the amine with the phosgene, b) reacting the amine with the phosgene in a residence reactor and, if desired, c) transferring the output from the reactor of step b) into a distillation column, wherein the residence reactor in step b) is configured as a tube reactor.