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1.发明申请Process for the preparation of polyamines of the diphenylmethane series at a low degree of protonation 有权在低质子化程度下制备二苯基甲烷系列的多胺的方法公开(公告)号：US20060287555A1
公开(公告)日：2006-12-21
申请号：US11170624
申请日：2005-06-29
申请人： Torsten Hagen , Daniel Koch , Hans-Georg Pirkl , Fritz Pohl , Stefan Wershofen , Rudolf Uchdorf , Richard Adamson
发明人： Torsten Hagen , Daniel Koch , Hans-Georg Pirkl , Fritz Pohl , Stefan Wershofen , Rudolf Uchdorf , Richard Adamson
IPC分类号： C07C209/26
CPC分类号： C08G18/7664 , C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： The invention provides a process for the preparation of polyamines of the diphenylmethane series. This process comprises a) reacting aniline and formaldehyde in a molar ratio of 1.5:1 to 6:1, in the presence of an acid catalyst at temperatures of 20° C. to 100° C., in which the water content in the acid reaction mixture is
摘要翻译： 本发明提供了制备二苯基甲烷系列多胺的方法。 该方法包括a）在酸催化剂存在下，在20℃至100℃的温度下，使摩尔比为1.5:1至6:1的苯胺和甲醛反应，其中酸中的水含量 反应混合物<20wt。 ％，质子化度<15％，b）当对氨基苄基苯胺的重量含量与4,4'-二苯胺的比例时，将反应温度升高至110℃至250℃。 '-MDA在反应混合物中低于1.00的值。
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2.发明授权Process for the preparation of polyamines of the diphenylmethane series at a low degree of protonation 有权在低质子化程度下制备二苯基甲烷系列的多胺的方法公开(公告)号：US07253321B2
公开(公告)日：2007-08-07
申请号：US11170624
申请日：2005-06-29
申请人： Torsten Hagen , Daniel Koch , Hans-Georg Pirkl , Fritz Pohl , Stefan Wershofen , Rudolf Uchdorf , Richard Adamson
发明人： Torsten Hagen , Daniel Koch , Hans-Georg Pirkl , Fritz Pohl , Stefan Wershofen , Rudolf Uchdorf , Richard Adamson
IPC分类号： C07C209/78
CPC分类号： C08G18/7664 , C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： The invention provides a process for the preparation of polyamines of the diphenylmethane series. This process comprises a) reacting aniline and formaldehyde in a molar ratio of 1.5:1 to 6:1, in the presence of an acid catalyst at temperatures of 20° C. to 100° C., in which the water content in the acid reaction mixture is
摘要翻译： 本发明提供了制备二苯基甲烷系列多胺的方法。 该方法包括a）在酸催化剂存在下，在20℃至100℃的温度下，使摩尔比为1.5:1至6:1的苯胺和甲醛反应，其中酸中的水含量 反应混合物<20wt。 ％，质子化度<15％，b）当对氨基苄基苯胺的重量含量与4,4'-二苯胺的比例时，将反应温度升高至110℃至250℃。 '-MDA在反应混合物中低于1.00的值。
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3.发明授权Process for the production of polyisocyanates of the diphenylmethane series by phosgenation of non-neutralized polyamine of the diphenylmethane series 失效通过二苯基甲烷系列的非中和多胺的光气化生产二苯基甲烷系列的多异氰酸酯的方法公开(公告)号：US07041776B2
公开(公告)日：2006-05-09
申请号：US10672440
申请日：2003-09-26
申请人： Daniel Koch , Hans-Georg Pirkl , Torsten Hagen , Stefan Wershofen
发明人： Daniel Koch , Hans-Georg Pirkl , Torsten Hagen , Stefan Wershofen
IPC分类号： C08G12/06
CPC分类号： C08G18/7664 , C07C209/78 , C07C263/10 , C07C265/14
摘要： The invention relates to a method of producing polyisocyanates of the diphenylmethane series including the steps of a) reacting aniline and formaldehyde in the presence of HCl to provide a product mixture containing polyamines of the diphenylmethane series, HCl, aniline and water; b) removing excess aniline and water by distillation to provide a product mixture comprising polyamines of the diphenylmethane series, HCl, no more than 10 wt. % aniline based on the polyamines, and no more than 5 wt. % water based on the polyamines; and c) phosgenating the product mixture in (b).
摘要翻译： 本发明涉及一种生产二苯基甲烷系列的多异氰酸酯的方法，包括以下步骤：a）在HCl存在下使苯胺和甲醛反应，得到含有二苯基甲烷系列，HCl，苯胺和水的多胺的产物混合物; b）通过蒸馏除去过量的苯胺和水，以提供包含二苯基甲烷系列的多胺（HCl）的产物混合物，不超过10wt。 基于多胺的％苯胺，不超过5重量％ 基于多胺的％水; 和c）使（b）中的产物混合物光气化。
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4.发明授权Process for producing polyisocyanates of the diphenyl methane series having a reduced color value 有权具有降低的颜色值的二苯基甲烷系列的多异氰酸酯的制备方法公开(公告)号：US06639102B2
公开(公告)日：2003-10-28
申请号：US10384890
申请日：2003-03-10
IPC分类号： C07C26310
CPC分类号： C08G18/7664 , C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： Polyisocyanates of the diphenyl methane series having reduced color values are obtained by a) reacting aniline and formaldehyde in the presence of an acid catalyst to form a polyamine, b) neutralizing the reaction mixture containing polyamine with a base, c) separating the neutralized mixture into the aqueous and the organic phases, d) adding a base to the organic phase and then e) phosgenating the resulting polyamine to produce the corresponding polyisocyanate.
摘要翻译： 通过a）在酸催化剂存在下使苯胺和甲醛反应形成多胺，b）使含有多胺的反应混合物与碱中和，c）将中和的混合物分离成 水相和有机相，d）向有机相中加入碱，然后e）使得到的多胺光气化以产生相应的多异氰酸酯。
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5.发明申请Process for the preparation of di- and polyamines of the diphenylmethane series 失效制备二苯基甲烷系列的二胺和多胺的方法公开(公告)号：US20060224018A1
公开(公告)日：2006-10-05
申请号：US11392367
申请日：2006-03-28
IPC分类号： C07C209/24
CPC分类号： C07C209/78 , C07C211/50
摘要： Di- and polyamines of the diphenylmethane series are prepared by a) mixing a first portion of aniline with an acid catalyst, b) mixing a second portion of aniline with formaldehyde, and c) mixing and reacting the mixtures prepared in each of steps a) and b). The diamines produced by this process may then be phosgenated to produce the corresponding di-/polyisocyanate.
摘要翻译： 二苯基甲烷系列的二胺和多胺通过以下步骤制备：a）将第一部分苯胺与酸催化剂混合，b）将第二部分苯胺与甲醛混合，和c）将在步骤a）中制备的混合物混合和反应， 和b）。 然后通过该方法产生的二胺可以光气化以产生相应的二 - 多异氰酸酯。
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6.发明授权Process for the preparation of di- and polyamines of the diphenylmethane series 失效制备二苯基甲烷系列的二胺和多胺的方法公开(公告)号：US07205439B2
公开(公告)日：2007-04-17
申请号：US11392367
申请日：2006-03-28
IPC分类号： C07C209/78 , C07C263/10
CPC分类号： C07C209/78 , C07C211/50
摘要： Di- and polyamines of the diphenylmethane series are prepared by a) mixing a first portion of aniline with an acid catalyst, b) mixing a second portion of aniline with formaldehyde, and c) mixing and reacting the mixtures prepared in each of steps a) and b). The diamines produced by this process may then be phosgenated to produce the corresponding di-/polyisocyanate.
摘要翻译： 二苯基甲烷系列的二胺和多胺通过以下步骤制备：a）将第一部分苯胺与酸催化剂混合，b）将第二部分苯胺与甲醛混合，和c）将在步骤a）中制备的混合物混合和反应， 和b）。 然后通过该方法产生的二胺可以光气化以产生相应的二 - 多异氰酸酯。
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7.发明申请Process for the production of liquid, storage-stable organic isocyanates with a low colour index having carbodiimide- and/or uretone imine groups 有权用于生产具有碳二亚胺和/或脲酮亚胺基团的具有低颜色指数的液体，储存稳定的有机异氰酸酯的方法公开(公告)号：US20060128928A1
公开(公告)日：2006-06-15
申请号：US11298727
申请日：2005-12-08
IPC分类号： C08G18/16
CPC分类号： C08G18/797 , C08G18/025 , C08G18/10 , C08G18/4841
摘要： The invention relates to a process for the production of liquid, storage-stable isocyanate mixtures with a low color index having carbodiimide-(CD) and/or uretone imine (UI) groups, the isocyanate mixtures that can be obtained by this process and their use for the production of blends with other isocyanates or for the production of isocyanate group-containing pre-polymers and also of polyurethane plastics, preferably polyurethane foamed plastics.
摘要翻译： 本发明涉及一种生产具有低碳指数的液体，储存稳定的异氰酸酯混合物的方法，其具有碳二亚胺 - （CD）和/或脲基亚胺（UI）基团，可通过该方法获得的异氰酸酯混合物及其 用于生产与其它异氰酸酯的共混物或用于生产含异氰酸酯基团的预聚物以及聚氨酯塑料，优选聚氨酯泡沫塑料。
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8.发明授权Process for the production of liquid, storage-stable organic isocyanates with a low colour index having carbodiimide- and/or uretone imine groups 有权用于生产具有碳二亚胺和/或脲酮亚胺基团的具有低颜色指数的液体，储存稳定的有机异氰酸酯的方法公开(公告)号：US07745659B2
公开(公告)日：2010-06-29
申请号：US11298727
申请日：2005-12-08
IPC分类号： C07C267/00 , C07C249/00 , C08G18/02 , C08G18/08
CPC分类号： C08G18/797 , C08G18/025 , C08G18/10 , C08G18/4841
摘要： The invention relates to a process for the production of liquid, storage-stable isocyanate mixtures with a low color index having carbodiimide-(CD) and/or uretone imine (UI) groups, the isocyanate mixtures that can be obtained by this process and their use for the production of blends with other isocyanates or for the production of isocyanate group-containing pre-polymers and also of polyurethane plastics, preferably polyurethane foamed plastics.
摘要翻译： 本发明涉及一种生产具有低碳指数的液体，储存稳定的异氰酸酯混合物的方法，其具有碳二亚胺 - （CD）和/或脲基亚胺（UI）基团，可通过该方法获得的异氰酸酯混合物及其 用于生产与其它异氰酸酯的共混物或用于生产含异氰酸酯基团的预聚物以及聚氨酯塑料，优选聚氨酯泡沫塑料。
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公开(公告)号：US09701617B2
公开(公告)日：2017-07-11
申请号：US12405287
申请日：2009-03-17
IPC分类号： C07C263/10 , C07C209/78
CPC分类号： C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： The present invention relates to a process for producing diamines and polyamines of the diphenylmethane series (MDA) by reacting aniline and formaldehyde in the presence of an acid catalyst, wherein the aniline contains in total less than 0.5 wt. %, based on the total weight of aniline, of one or more compounds which contain at least one carbonyl group or of one or more compounds that are formed by reaction of these compounds which contain at least one carbonyl group with aniline.
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10.发明申请公开(公告)号：US20090240077A1
公开(公告)日：2009-09-24
申请号：US12405287
申请日：2009-03-17
IPC分类号： C07C263/10 , C07C209/78
CPC分类号： C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： The present invention relates to a process for producing diamines and polyamines of the diphenylmethane series (MDA) by reacting aniline and formaldehyde in the presence of an acid catalyst, wherein the aniline contains in total less than 0.5 wt. %, based on the total weight of aniline, of one or more compounds which contain at least one carbonyl group or of one or more compounds that are formed by reaction of these compounds which contain at least one carbonyl group with aniline.
摘要翻译： 本发明涉及在酸催化剂存在下使苯胺和甲醛反应制备二苯基甲烷系列（MDA）的二胺和多胺的方法，其中苯胺含量总计小于0.5wt。 ％，基于苯胺的总重量，含有至少一个羰基的一种或多种化合物或通过含有至少一个羰基的这些化合物与苯胺反应形成的一种或多种化合物。
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