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公开(公告)号:US07994361B2
公开(公告)日:2011-08-09
申请号:US10523919
申请日:2003-07-24
申请人: Andreas Woelfert , Christian Mueller , Eckhard Stroefer , Markus Weber , Joachim Pfeffinger , Carsten Knoesche
发明人: Andreas Woelfert , Christian Mueller , Eckhard Stroefer , Markus Weber , Joachim Pfeffinger , Carsten Knoesche
IPC分类号: C07C249/00
CPC分类号: C07C263/10 , C07C265/14
摘要: The invention relates to a process for preparing aromatic diisocyanates by reaction of phosgene with diamines in the gas phase, in which the reaction is carried out in a reaction zone at moderate pressures, i.e. the pressure in this reaction zone is more than 3 bar and less than 20 bar.
摘要翻译: 本发明涉及一种通过光气与气相中的二胺反应制备芳族二异氰酸酯的方法,其中反应在中等压力下在反应区中进行,即该反应区中的压力大于3巴以及更低 超过20巴。
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公开(公告)号:US07084297B2
公开(公告)日:2006-08-01
申请号:US10495757
申请日:2002-11-19
申请人: Andreas Woelfert , Christian Mueller , Eckhard Stroefer , Joachim Pfeffinger , Markus Weber , Carsten Knoesche
发明人: Andreas Woelfert , Christian Mueller , Eckhard Stroefer , Joachim Pfeffinger , Markus Weber , Carsten Knoesche
IPC分类号: C07C263/00
CPC分类号: C07C263/10 , C07C265/14
摘要: The invention relates to a method for producing isocyanates by reacting primary amines with phosgene in the gaseous phase. Said method is characterized in that the reaction of amine and phosgene occurs in a reaction channel, the internal dimensions of which have a width/height ratio of at least 2/1.
摘要翻译: 本发明涉及通过使伯胺与气相中的光气反应制备异氰酸酯的方法。 所述方法的特征在于胺和光气的反应发生在反应通道中,其内部尺寸的宽/高比至少为2/1。
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公开(公告)号:US20100056822A1
公开(公告)日:2010-03-04
申请号:US12447607
申请日:2007-11-06
IPC分类号: C07C263/10
CPC分类号: C07C263/10 , C07C265/14
摘要: The invention relates to a process for preparing isocyanates in the gas phase.
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公开(公告)号:US20100041915A1
公开(公告)日:2010-02-18
申请号:US12521878
申请日:2007-12-12
IPC分类号: C07C263/10
CPC分类号: C07C263/10 , C07C265/14
摘要: The present invention relates to a process for preparing diisocyanates from diamines and phosgene in the gas phase.
摘要翻译: 本发明涉及一种在气相中由二胺和光气制备二异氰酸酯的方法。
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公开(公告)号:US07659430B2
公开(公告)日:2010-02-09
申请号:US11574263
申请日:2005-09-10
申请人: Andreas Woelfert , Carsten Knoesche , Hans-Juergen Pallasch , Martin Sesing , Eckhard Stroefer , Hans-Martin Polka , Manfred Heilig
发明人: Andreas Woelfert , Carsten Knoesche , Hans-Juergen Pallasch , Martin Sesing , Eckhard Stroefer , Hans-Martin Polka , Manfred Heilig
CPC分类号: C01B7/0737 , B01D53/1493 , B01D2257/2045 , C01B32/80
摘要: The invention relates to a process for separating hydrogen chloride and phosgene, which comprises bringing a mixture of hydrogen chloride and phosgene into contact with an ionic liquid in which at least part of the hydrogen chloride is dissolved in a step a) and then separating off the hydrogen chloride dissolved in the ionic liquid in a step b).
摘要翻译: 本发明涉及一种分离氯化氢和光气的方法,其中包括使氯化氢和光气的混合物与其中至少部分氯化氢在步骤a)中溶解的离子液体接触,然后分离出 在步骤b)中溶解在离子液体中的氯化氢。
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公开(公告)号:US08258337B2
公开(公告)日:2012-09-04
申请号:US12065964
申请日:2006-08-23
申请人: Andreas Woelfert , Carsten Knoesche , Andreas Daiss , Tsung-Chieh Cheng , Torsten Mattke , Eckhard Stroefer
发明人: Andreas Woelfert , Carsten Knoesche , Andreas Daiss , Tsung-Chieh Cheng , Torsten Mattke , Eckhard Stroefer
IPC分类号: C07C263/00
CPC分类号: C07C263/10 , B01F5/0453 , B01F5/0456 , B01F5/0466 , B01F5/0646 , B01F5/0652 , B01J19/26 , C07C265/14 , C07C265/12
摘要: The present invention relates to a process for preparing isocyanates and an apparatus suitable for this purpose, and also its use. In the process, an amine and phosgene, both in the gas phase, react in the presence of an inert medium. A number, n, of amine streams are reacted with a number, n +1, of phosgene streams in a reactor. The number n is a positive integer of at least 1. All amine and phosgene streams are introduced into the reactor through annular gaps for mixing.
摘要翻译: 本发明涉及一种制备异氰酸酯的方法和适用于该目的的装置及其用途。 在该过程中,气相中的胺和光气在惰性介质存在下反应。 在反应器中将数量为n的胺流与数个n + 1的光气流反应。 数字n为至少为1的正整数。所有胺和光气流通过环形间隙引入反应器进行混合。
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公开(公告)号:US08168818B2
公开(公告)日:2012-05-01
申请号:US12447940
申请日:2007-11-06
IPC分类号: C07C263/00
CPC分类号: C07C263/10 , C07C265/14
摘要: The invention relates to a process for preparing isocyanates in the gas phase.
摘要翻译: 本发明涉及一种在气相中制备异氰酸酯的方法。
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公开(公告)号:US08288584B2
公开(公告)日:2012-10-16
申请号:US12678771
申请日:2008-09-11
申请人: Carsten Knoesche , Andreas Woelfert , Torsten Mattke , Eckhard Stroefer , Heinrich-Josef Blankertz , Bernhard Geissler
发明人: Carsten Knoesche , Andreas Woelfert , Torsten Mattke , Eckhard Stroefer , Heinrich-Josef Blankertz , Bernhard Geissler
IPC分类号: C07C263/10
CPC分类号: C07C263/10 , C07C2601/14 , C07C265/14
摘要: The present invention relates to a process for preparing diisocyanates from diamines and phosgene in the gas phase.
摘要翻译: 本发明涉及一种在气相中由二胺和光气制备二异氰酸酯的方法。
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公开(公告)号:US20100076218A1
公开(公告)日:2010-03-25
申请号:US12447940
申请日:2007-11-06
IPC分类号: C07C263/10
CPC分类号: C07C263/10 , C07C265/14
摘要: The invention relates to a process for preparing isocyanates in the gas phase.
摘要翻译: 本发明涉及一种在气相中制备异氰酸酯的方法。
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公开(公告)号:US20090281350A1
公开(公告)日:2009-11-12
申请号:US12307759
申请日:2007-07-05
申请人: Carsten Knoesche , Eckhard Stroefer , Dieter Stuetzer , Bernd Sachweh , Markus Lisenbuehler , Andreas Woelfert
发明人: Carsten Knoesche , Eckhard Stroefer , Dieter Stuetzer , Bernd Sachweh , Markus Lisenbuehler , Andreas Woelfert
IPC分类号: C07C263/10
CPC分类号: C07C263/10 , C07C265/14
摘要: The invention provides a process for preparing isocyanates by reacting amines with phosgene, wherein the amine or a mixture of amine and a solvent is mixed in the form of an aerosol with gaseous phosgene and the amine is subsequently reacted with phosgene.
摘要翻译: 本发明提供了一种通过使胺与光气反应来制备异氰酸酯的方法,其中胺或胺和溶剂的混合物以气溶胶的形式与气体光气混合,随后胺与光气反应。
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