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1. 发明专利

JP2007197449A Method for producing diphenylmethane-based diamine and polyamine 有权
标题翻译：生产二苯基甲基二胺和聚氨酯的方法
公开(公告)号：JP2007197449A
公开(公告)日：2007-08-09
申请号：JP2007018270
申请日：2007-01-29
申请人： Bayer Materialscience Ag , バイエルマテリアルサイエンスアクチエンゲゼルシャフトBayer MaterialScience AG
发明人： POHL FRITZ , BOLTON JEFFREY , ADAMSON RICHARD , MUELLER HEINZ-HERBERT , UCHDORF RUDOLF
IPC分类号： C07C209/78 , C07C211/46
CPC分类号： C07C209/78 , C07C211/50
摘要： PROBLEM TO BE SOLVED: To provide a new method accompanying a further wide improvement of color, although in the coloration of a mixture of formed diamine and polyamine and the coloration of a mixture of isocyanate and polyurethane produced therefrom, the improvement is achieved by changing each of process parameters e.g. the addition of components, concentration of acid catalyst, control of temperature or product composition in rearrangement.
SOLUTION: The diphenylmethane-based diamine and polyamine are produced by the reaction of aniline with formaldehyde in the presence of an acid catalyst, wherein the used aniline contains
摘要翻译：要解决的问题：为了提供一种伴随着颜色的进一步广泛改进的新方法，尽管在形成的二胺和多胺的混合物的着色和由其制备的异氰酸酯和聚氨酯的混合物的着色方面，实现了改进通过更改每个过程参数，例如组分的添加，酸催化剂的浓度，重新控制温度或产物组成。解决方案：二苯基甲烷基二胺和多胺通过苯胺与甲醛在酸催化剂存在下的反应制备，其中所用苯胺含有<3质量％二苯基甲烷基二胺和多胺，有利地为0.001至3 质量％，特别优选为0.01〜1质量％。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007197448A Method for producing diphenylmethane-based diamine and polyamine 有权
标题翻译：生产二苯基甲基二胺和聚氨酯的方法
公开(公告)号：JP2007197448A
公开(公告)日：2007-08-09
申请号：JP2007018269
申请日：2007-01-29
申请人： Bayer Materialscience Ag , バイエルマテリアルサイエンスアクチエンゲゼルシャフトBayer MaterialScience AG
发明人： KEGGENHOFF BERTHOLD , ADAMSON RICHARD , UCHDORF RUDOLF , POHL FRITZ
IPC分类号： C07C209/78 , C07B61/00 , C07C211/50 , C07C263/10 , C07C265/14
CPC分类号： C07C209/78 , C07C209/84 , C07C263/10 , C07C211/50 , C07C265/14
摘要： PROBLEM TO BE SOLVED: To provide a method of production capable of being executed in a low energy consumption, simply producing a diphenylmethane-based diamine and polyamine and enabling the production of corresponding diisocyanate and polyisocyanate by continuing phosgenation to reduce the formation of byproducts. SOLUTION: This method of production comprises the following processes: (a) a reaction process of aniline with formaldehyde under a catalyst; (b) a neutralizing process of the reaction mixture; (c) a separation process of the reaction mixture to an organic layer and aqueous layer; (d) a separating process of water and aniline from the organic layer by distillation. The (d) process comprises: (d1) the distillation comprises at least one preliminary evaporation stage and a distillation stage; (d2) in the preliminary evaporation stage, the aniline and water are separated from the organic layer by a flash evaporation; and (d3) in the following distillation stage, the residual aniline and water are separated to obtain the diamine and polyamine containing COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够以低能耗执行的生产方法，简单地生产二苯基甲烷基二胺和多胺，并且能够通过持续的光气化来生产相应的二异氰酸酯和多异氰酸酯以减少形成副产品。解决方案：该生产方法包括以下过程：（a）苯胺与甲醛在催化剂下的反应过程; （b）反应混合物的中和过程; （c）反应混合物与有机层和水层的分离过程; （d）通过蒸馏从有机层中分离水和苯胺的方法。（d）方法包括：（d1）蒸馏包括至少一个预蒸发阶段和蒸馏阶段; （d2），通过闪蒸将苯胺和水与有机层分离; 和（d3）在后续蒸馏阶段中，分离出残留的苯胺和水，得到基于二胺和多胺的质量的含有<1,000ppm水和<200ppm苯胺的二胺和多胺。该方法还包括（e）冷却二胺和多胺的方法。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006022100A Method for producing polyamine of diphenylmethane series having low protonation degree 有权
标题翻译：生产具有低推定度的二甲基苯乙烯系列聚氨酯的方法
公开(公告)号：JP2006022100A
公开(公告)日：2006-01-26
申请号：JP2005196739
申请日：2005-07-05
申请人： Bayer Materialscience Ag , バイエルマテリアルサイエンスアクチエンゲゼルシャフト
发明人： HAGEN TORSTEN , KOCH DANIEL , PIRKL HANS-GEORG , POHL FRITZ , WERSHOFEN STEFAN , UCHDORF RUDOLF , ADAMSON RICHARD
IPC分类号： C07C209/78 , C07B61/00 , C07C209/54 , C07C211/50 , C07C263/10 , C07C265/14 , C08G18/76
CPC分类号： C08G18/7664 , C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： PROBLEM TO BE SOLVED: To provide a method for simply and economically producing a polyamine of a diphenylmethane series in which an acid catalyst can be utilized in a degree of protonation of SOLUTION: The method for producing the polyamine comprises (a) reacting aniline with formaldehyde at a molar ratio of 1.5:1 to 6:1 at 20-100°C, preferably at 30-95°C, especially preferably at 40-90°C while keeping water content of an acidic reaction mixture to COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供简单且经济地制备二苯基甲烷系列的多胺的方法，其中可以使质子化程度<15％的酸催化剂不将反应混合物分离成两相体系。解决方案：多胺的制备方法包括：（a）在20-100℃，优选30-95℃，特别优选40℃，摩尔比为1.5:1至6:1的苯胺与甲醛反应 -90℃，同时将酸性反应混合物的水含量保持在<20质量％，凝固质子化度<15％，（b）当质量含量的比例将反应混合物的温度升高至110-250℃ 的对氨基苄基苯胺和4,4'-MDA在酸性反应混合物中降低至<1.00。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

PT1813597E MÉTODO PARA A PRODUÇÃO DE DI- E POLI-AMINAS DA FAMÍLIA DE DIFENILMETANO 未知
公开(公告)号：PT1813597E
公开(公告)日：2011-07-11
申请号：PT07000738
申请日：2007-01-16
申请人： BAYER MATERIALSCIENCE AG
发明人： FRITZ POHL DR , ADAMSON RICHARD , UCHDORF RUDOLF , KEGENHOFF BERTHOLD
IPC分类号： C07C209/78 , C07C209/84 , C07C263/10

5. 发明专利

ES2354461T3 PROCEDIMIENTO PARA LA PRODUCCION DE DI Y POLIAMINAS DE LA SERIE DIFENILMETANO. 未知
公开(公告)号：ES2354461T3
公开(公告)日：2011-03-15
申请号：ES07000739
申请日：2007-01-16
申请人： BAYER MATERIALSCIENCE AG
发明人： UCHDORF RUDOLF , BOLTON JEFFREY , POHL FRITZ , ADAMSON RICHARD , MULLER HEINZ-HERBERT
IPC分类号： C07C209/78 , C07C211/50
摘要： Procedimiento para la producción de di y poliaminas de la serie difenilmetano mediante la reacción de anilina y formaldehído en presencia de un catalizador ácido, en el que a) se hace reaccionar anilina que contiene menos del 3 % en peso de di y poliaminas de la serie difenilmetano, con respecto al peso de la anilina usada, con formaldehído en presencia de un catalizador ácido para dar una mezcla de reacción que contiene di y poliaminas, y b) se neutraliza la mezcla de reacción que contiene di y poliaminas, y c) la mezcla de reacción neutralizada que contiene di y poliaminas se separa en una fase orgánica que contiene di y poliaminas y una fase acuosa, y d) dado el caso se lava la fase orgánica con agua, y e) se elimina por destilación la anilina en exceso de la fase orgánica, y f) se combinan parcial o completamente las aguas residuales y los condensados que se producen en las etapas a) - e), combinándose en cada caso al menos parcialmente al menos las aguas residuales y los condensados obtenidas en las etapas c) y e) y obteniéndose una mezcla que contiene agua, di y poliaminas, anilina y sales del catalizador usado en la etapa a), y g) se somete la mezcla obtenida en la etapa f) a una separación de fases, obteniéndose una anilina que contiene di y poliaminas, y h) posteriormente se recircula la anilina obtenida con la separación de fases que contiene di y poliaminas al menos parcialmente en la reacción en la etapa a).

6. 发明专利

PT1813598E PROCESSO PARA A PREPARAÇÃO DE DIAMINAS E POLIAMINAS DA SÉRIE DIFENILMETANO 未知
公开(公告)号：PT1813598E
公开(公告)日：2011-01-19
申请号：PT07000739
申请日：2007-01-16
申请人： BAYER MATERIALSCIENCE AG
发明人： MUELLER HEINZ-HERBERT , FRITZ POHL DR , BOLTON JEFFREY , ADAMSON RICHARD , UCHDORF RUDOLF
IPC分类号： C07C209/78 , C07C211/50

7. 发明专利

BRPI0700138A 未知
公开(公告)号：BRPI0700138A
公开(公告)日：2007-11-06
申请号：BRPI0700138
申请日：2007-01-29
申请人： BAYER MATERIALSCIENCE AG
发明人： KEGGENHOFF BERTHOLD , ADAMSON RICHARD , UCHDORF RUDOLF , POHL FRITZ
IPC分类号： C08G12/08 , C07C209/78 , C07C263/20 , C08G18/72
摘要： Preparation of di- and polyamine of the diphenylmethane series comprises transferring aniline and formaldehyde to a reaction mixture containing di- and polyamine, in the presence of an acid catalyst, neutralizing the reaction mixture containing di- and polyamine, introducing the neutralized reaction mixture containing di- and polyamine into an organic phase containing di- and polyamine and an aqueous phase, distillatively separating water and aniline form the organic phase, and cooling the obtained di- and polyamine. Preparation of di- and polyamine of the diphenylmethane series comprises: (a) transferring aniline and formaldehyde to a reaction mixture containing di- and polyamine, in the presence of an acid catalyst, (b) neutralizing the reaction mixture containing di- and polyamine, (c) introducing the neutralized reaction mixture containing di- and polyamine into an organic phase containing di- and polyamine and an aqueous phase, (d) distillatively separating water and aniline form the organic phase, where the distillation in step (d) comprises at least a pre-evaporation step and at least a distillation step; in the pre-evaporation step aniline and water are partially separated from the organic phase containing di- and polyamine by open evaporation; the further aniline and water are removed in the subsequent distillation step and the obtained di- and polyamine contains less than 1000 ppm of water and less than 200 ppm of aniline, based on the weight of di- and polyamine, and (e) cooling the obtained di- and polyamine. An independent claim is included for the preparation of di- and polyisocyanate of the diphenylmethane series comprising preparing di- and polyamine and subsequently reacting the amine with a phosgene.

8. 发明专利

AT485262T 未知
公开(公告)号：AT485262T
公开(公告)日：2010-11-15
申请号：AT07000739
申请日：2007-01-16
申请人： BAYER MATERIALSCIENCE AG
发明人： POHL FRITZ , BOLTON JEFFREY , ADAMSON RICHARD , MUELLER HEINZ-HERBERT , UCHDORF RUDOLF
IPC分类号： C07C209/78 , C07C211/50
摘要： Preparation of di- and polyamines of diphenylmethane comprises reacting aniline (less than 3 wt.%) and formaldehyde in the presence of an acid catalyst.

9. 发明专利

DE502007005386D1 Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe 未知
公开(公告)号：DE502007005386D1
公开(公告)日：2010-12-02
申请号：DE502007005386
申请日：2007-01-16
申请人： BAYER MATERIALSCIENCE AG
发明人： POHL FRITZ DR , BOLTON JEFFREY DR , ADAMSON RICHARD , MUELLER HEINZ-HERBERT DR , UCHDORF RUDOLF
IPC分类号： C07C209/78 , C07C211/50

10. 发明专利

SG134289A1 PROCESS FOR THE PRODUCTION OF DI-AND POLYAMINES OF THE DIPHENYLMETHANE SERIES 未知
公开(公告)号：SG134289A1
公开(公告)日：2007-08-29
申请号：SG2007005911
申请日：2007-01-25
申请人： BAYER MATERIALSCIENCE AG
发明人： KEGGENHOFF BERTHOLD , ADAMSON RICHARD , UCHDORF RUDOLF , POHL FRITZ
摘要： Preparation of di- and polyamine of the diphenylmethane series comprises transferring aniline and formaldehyde to a reaction mixture containing di- and polyamine, in the presence of an acid catalyst, neutralizing the reaction mixture containing di- and polyamine, introducing the neutralized reaction mixture containing di- and polyamine into an organic phase containing di- and polyamine and an aqueous phase, distillatively separating water and aniline form the organic phase, and cooling the obtained di- and polyamine. Preparation of di- and polyamine of the diphenylmethane series comprises: (a) transferring aniline and formaldehyde to a reaction mixture containing di- and polyamine, in the presence of an acid catalyst, (b) neutralizing the reaction mixture containing di- and polyamine, (c) introducing the neutralized reaction mixture containing di- and polyamine into an organic phase containing di- and polyamine and an aqueous phase, (d) distillatively separating water and aniline form the organic phase, where the distillation in step (d) comprises at least a pre-evaporation step and at least a distillation step; in the pre-evaporation step aniline and water are partially separated from the organic phase containing di- and polyamine by open evaporation; the further aniline and water are removed in the subsequent distillation step and the obtained di- and polyamine contains less than 1000 ppm of water and less than 200 ppm of aniline, based on the weight of di- and polyamine, and (e) cooling the obtained di- and polyamine. An independent claim is included for the preparation of di- and polyisocyanate of the diphenylmethane series comprising preparing di- and polyamine and subsequently reacting the amine with a phosgene.

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