-
公开(公告)号：US08193385B2
公开(公告)日：2012-06-05
申请号：US12438086
申请日：2007-08-08
申请人： Matthias Kloetzer , Heinrich-Josef Blankertz , Gunter Georgi , Eckhard Stroefer , Volker Krase , Gerhard Schulz , Andreas Warzecha
发明人： Matthias Kloetzer , Heinrich-Josef Blankertz , Gunter Georgi , Eckhard Stroefer , Volker Krase , Gerhard Schulz , Andreas Warzecha
IPC分类号： C07C263/00
CPC分类号： C07C263/04 , C07C2601/14 , C07C265/14
摘要： The invention relates to a multistage process for the continuous preparation of organic, distillable isocyanates, preferably diisocyanates, particularly preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic amines with urea and alcohols to liberate ammonia and form low molecular weight monomeric urethanes and thermal dissociation of the latter, in which by-products formed are at least partly utilized.
摘要翻译： 本发明涉及通过相应的有机胺与尿素和醇的反应来连续制备有机蒸馏异氰酸酯，优选二异氰酸酯，特别优选脂族或脂环族二异氰酸酯的多级方法，以释放氨并形成低分子量单体聚氨酯和热 后者的解离，其中形成的副产物至少部分地被利用。
-
公开(公告)号：US20090275775A1
公开(公告)日：2009-11-05
申请号：US12438086
申请日：2007-08-08
申请人： Matthias Kloetzer , Heinrich-Josef Blankertz , Gunter Georgi , Eckhard Stroefer , Volker Krase , Gerhard Schulz , Warzecha Andreas
发明人： Matthias Kloetzer , Heinrich-Josef Blankertz , Gunter Georgi , Eckhard Stroefer , Volker Krase , Gerhard Schulz , Warzecha Andreas
IPC分类号： C07C263/00
CPC分类号： C07C263/04 , C07C2601/14 , C07C265/14
摘要： The invention relates to a multistage process for the continuous preparation of organic, distillable isocyanates, preferably diisocyanates, particularly preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic amines with urea and alcohols to liberate ammonia and form low molecular weight monomeric urethanes and thermal dissociation of the latter, in which by-products formed are at least partly utilized.
摘要翻译： 本发明涉及通过相应的有机胺与尿素和醇的反应来连续制备有机蒸馏异氰酸酯，优选二异氰酸酯，特别优选脂族或脂环族二异氰酸酯的多级方法，以释放氨并形成低分子量单体聚氨酯和热 后者的解离，其中形成的副产物至少部分地被利用。
-
公开(公告)号：US08026387B2
公开(公告)日：2011-09-27
申请号：US12160433
申请日：2007-01-09
IPC分类号： C07C249/00
CPC分类号： C07C263/06 , C07C2601/14 , C07C265/14
摘要： The present invention relates to a multiple-stage process for the continuous preparation of organic, distillable polyisocyanates, preferably diisocyanates, more preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic poly-amines with ureas to form low-molecular monomeric polyureas, and the thermal decomposition thereof.
摘要翻译： 本发明涉及通过相应的有机多胺与脲形成低分子单体聚脲反应而连续制备有机，可蒸馏的多异氰酸酯，优选二异氰酸酯，更优选脂族或脂环族二异氰酸酯的多阶段方法，以及 其热分解。
-
公开(公告)号：US20100274046A1
公开(公告)日：2010-10-28
申请号：US12160433
申请日：2007-01-09
IPC分类号： C07C263/06
CPC分类号： C07C263/06 , C07C2601/14 , C07C265/14
摘要： The present invention relates to a multiple-stage process for the continuous preparation of organic, distillable polyisocyanates, preferably diisocyanates, more preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic poly-amines with ureas to form low-molecular monomeric polyureas, and the thermal decomposition thereof.
摘要翻译： 本发明涉及通过相应的有机多胺与脲形成低分子单体聚脲反应而连续制备有机，可蒸馏的多异氰酸酯，优选二异氰酸酯，更优选脂族或脂环族二异氰酸酯的多阶段方法，以及 其热分解。
-
公开(公告)号：US08546605B2
公开(公告)日：2013-10-01
申请号：US12065680
申请日：2006-09-05
IPC分类号： C07C291/00
CPC分类号： C07C263/04 , C07C269/04 , C07C271/12 , C07C265/14
摘要： The invention provides a multistage process for continuously preparing organic, distillable polyisocyanates, preferably diisocyanates, more preferably aliphatic or cycloaliphatic diisocyanates, by reacting the corresponding organic polyamines with carbonic acid derivatives and alcohols to low molecular mass monomeric polyurethanes, and thermally cleaving said polyurethanes, in which at defined reaction stages the polyisocyanates prepared and unusable residues are separated off, and reusable by products and intermediates are recycled to upstream stages.
摘要翻译： 本发明提供了一种多级方法，其通过使相应的有机多胺与碳酸衍生物和醇反应到低分子量单体聚氨酯，以及热裂解所述聚氨酯，连续制备有机，可蒸馏的多异氰酸酯，优选二异氰酸酯，更优选为脂族或脂环族二异氰酸酯， 其在确定的反应阶段中制备的多异氰酸酯和不可用的残余物被分离出来，并且可通过产物和中间体再利用再循环到上游阶段。
-
公开(公告)号：US07179935B2
公开(公告)日：2007-02-20
申请号：US10504320
申请日：2003-02-28
申请人： Eckhard Stroefer , Michael Ochse , Volker Krase , Andreas Schmidt , Matthias Kloetzer , Imbridt Murrar , Gisbert Franzke
发明人： Eckhard Stroefer , Michael Ochse , Volker Krase , Andreas Schmidt , Matthias Kloetzer , Imbridt Murrar , Gisbert Franzke
IPC分类号： C07C263/00
CPC分类号： C07C263/04 , C07C265/14
摘要： A process for the preparation of isocyanates from carbamic esters.
摘要翻译： 一种由氨基甲酸酯制备异氰酸酯的方法。
-
公开(公告)号：US08492580B2
公开(公告)日：2013-07-23
申请号：US13125895
申请日：2010-08-02
IPC分类号： C07C263/00
CPC分类号： C07C263/04 , C07C265/14
摘要： The invention relates to an improved multistage process for the continuous preparation of diisocyanates by reaction of the corresponding diamines with carbonic acid derivatives and alcohols to form low molecular weight monomeric urethanes and thermal dissociation of the latter.
摘要翻译： 本发明涉及通过相应的二胺与碳酸衍生物和醇的反应连续制备二异氰酸酯以形成低分子量单体聚氨酯和后者的热解离的改进的多步方法。
-
公开(公告)号：US08859805B2
公开(公告)日：2014-10-14
申请号：US13394647
申请日：2010-09-09
IPC分类号： C07C263/00 , C07C261/00
CPC分类号： C07C263/04 , C07C263/06 , C07C265/14
摘要： The invention relates to a multistage process for the continuous preparation of organic, distillable polyisocyanates, preferably diisocyanates, particularly preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic polyamines with carbonic acid derivatives and alcohols to form low molecular weight monomeric polyurethanes and thermal dissociation of the latter, in which the polyisocyanates produced and unusable residues are separated off at particular stages of the reaction and reusable by-products and intermediates are recirculated to preceding stages.
摘要翻译： 本发明涉及通过相应的有机多胺与碳酸衍生物和醇的反应连续制备有机，可蒸馏的多异氰酸酯，优选二异氰酸酯，特别优选脂族或脂环族二异氰酸酯的多级方法，以形成低分子量单体聚氨酯和热解离 其中多异氰酸酯产生和不可用的残余物在反应的特定阶段被分离，并且可重复使用的副产物和中间体再循环到前面的阶段。
-
公开(公告)号：US20110207961A1
公开(公告)日：2011-08-25
申请号：US13125895
申请日：2010-08-02
IPC分类号： C07C263/12
CPC分类号： C07C263/04 , C07C265/14
摘要： The invention relates to an improved multistage process for the continuous preparation of diisocyanates by reaction of the corresponding diamines with carbonic acid derivatives and alcohols to form low molecular weight monomeric urethanes and thermal dissociation of the latter.
摘要翻译： 本发明涉及通过相应的二胺与碳酸衍生物和醇的反应连续制备二异氰酸酯以形成低分子量单体聚氨酯和后者的热解离的改进的多步方法。
-
10.发明授权Reactor for thermally cracking monofunctional and polyfunctional carbamates 失效用于热裂解单官能和多官能氨基甲酸酯的反应器公开(公告)号：US07531084B2
公开(公告)日：2009-05-12
申请号：US10508710
申请日：2003-04-09
申请人： Dieter Starosta , Peter Pfab , Volker Krase , Andreas Schmidt , Matthias Kloetzer , Andreas Otterbach
发明人： Dieter Starosta , Peter Pfab , Volker Krase , Andreas Schmidt , Matthias Kloetzer , Andreas Otterbach
CPC分类号： F28D9/00 , B01J10/00 , B01J19/0013 , B01J2219/00085 , C07C263/04 , C07C265/00
摘要： A reactor for the thermal cleavage of monofunctional and/or polyfunctional carbamic esters into the corresponding isocyanate and hydroxyl components in the liquid phase having devices for introduction of heat into the reactor, where the devices are heat exchanger plates through which a heat transfer medium flows and have a geometry defined by the ratio of the degassing area to the volume and arrangement of the heating surfaces which makes it possible for the cleavage to be carried out in a two-phase mixture which has a gas content of over 50% by volume.
摘要翻译： 用于将单官能和/或多官能氨基甲酸酯热裂解成液相中相应的异氰酸酯和羟基组分的反应器，其具有用于将热量引入反应器的装置，其中所述装置是传热介质流过的热交换器板， 具有通过脱气面积与体积的比例和加热表面的排列而定义的几何形状，这使得可以在气体含量超过50体积％的两相混合物中进行裂解。
-
-
-
-
-
-
-
-
-
搜索结果
13 条记录 (耗时 0.033 秒)
