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1. 发明专利

JP2009196991A Method for producing isocyanate 有权
标题翻译：生产异氰酸酯的方法
公开(公告)号：JP2009196991A
公开(公告)日：2009-09-03
申请号：JP2009029230
申请日：2009-02-12
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： LORENZ WOLFGANG , BOEHM MATTHIAS , ADAMSON RICHARD , STEFFENS FRIEDHELM , HIELSCHER ANKE
IPC分类号： C07C263/10 , C07C263/20 , C07C265/00
CPC分类号： C01B7/035 , C07C263/10 , C07C263/20 , C07C265/14 , C07C265/12
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a solvent-free isocyanate by providing a possibility of reducing the quantity of the solvent required in the flow of dephosgenated isocyanate, in this case, the isocyanate flow must be separated in the post-treatment, that is, by higher phosgene concentration in the solvent totally carried out in the circulating route. SOLUTION: An appropriate amine is reacted with phosgene, condensing the gas mixture thereby obtained, stripping the liquid phase thereby obtained, the solvent so retained in liquid form is returned to the reaction stage of amine and phosgene, and in the case of selectable method, the total quantity of the solvent in the circulating route is constant and the quantity of the solvent for the refining of hydrogen chloride can be increased, in case a further treatment appropriately selected is thus required. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：为了提供通过提供减少未脱磷酸酯流动所需的溶剂量的可能性来制备无溶剂的异氰酸酯的方法，在这种情况下，异氰酸酯流动必须在后处理，即在循环路线中完全进行的溶剂中较高的光气浓度。解决方案：将合适的胺与光气反应，冷凝由此得到的气体混合物，汽提由此获得的液相，所以保持液态的溶剂返回到胺和光气的反应阶段，在可选择的方法中，循环路线中溶剂的总量是恒定的，并且因此需要进一步处理适当选择的情况下，可以提高氯化氢精制溶剂的量。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009227677A Method for producing diamine and polyamine of diphenylmethane series 有权
标题翻译：二氯甲烷系列二胺和多胺的制备方法
公开(公告)号：JP2009227677A
公开(公告)日：2009-10-08
申请号：JP2009069305
申请日：2009-03-23
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： WERSHOFEN STEFAN , MUELLER HEINZ-HERBERT , ADAMSON RICHARD , POHL FRITZ , SOMMER KNUT
IPC分类号： C07C209/78 , C07B61/00 , C07C211/53 , C07C263/10 , C07C265/14
CPC分类号： C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： PROBLEM TO BE SOLVED: To provide a new method leading to improvement of coloration of a produced diamine/polyamine mixture of diphenylmethane series or coloration of isocyanate and polyurethane produced from the mixture. SOLUTION: In the method for producing diamines and polyamines of diphenylmethane series by reacting aniline with formaldehyde in the presence of an acid catalyst, the aniline to be used contains totally less than 0.5 wt.% of one or more compounds which contain at least one carbonyl group or one or more compounds that are formed by reaction of these compounds which contain at least one carbonyl group with aniline, based on the total weight of the aniline. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种导致改进二苯基甲烷系列的二胺/多胺混合物的着色或由该混合物生产的异氰酸酯和聚氨酯的着色的着色的新方法。解决方案：在酸催化剂存在下，使苯胺与甲醛反应制备二苯甲烷系列二胺和多胺的方法中，所用苯胺含有少于0.5重量％的一种或多种含有基于苯胺的总重量，至少一种羰基或一种或多种通过这些化合物与含有至少一个羰基的化合物反应形成的化合物。版权所有（C）2010，JPO＆INPIT

3. 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

4. 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

5. 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

6. 发明专利

JP2009209144A Method for producing methylenediphenyl diisocyanate 有权
标题翻译：生产甲基二苯基二异氰酸酯的方法
公开(公告)号：JP2009209144A
公开(公告)日：2009-09-17
申请号：JP2009047606
申请日：2009-03-02
申请人： Bayer Materialscience Ag , バイエル・マテリアルサイエンス・アクチェンゲゼルシャフトBayer MaterialScience AG
发明人： POHL FRITZ , BULAN ANDREAS , WEBER RAINER , ADAMSON RICHARD , BOEHM MATTHIAS , SIX CHRISTIAN
IPC分类号： C07C263/10 , C07B61/00 , C07C265/14 , C25B1/16 , C25B1/26 , C25B15/08
CPC分类号： C25B15/08 , C07C209/78 , C07C263/10 , C25B1/26 , C07C211/50 , C07C265/14
摘要： PROBLEM TO BE SOLVED: To find out a comprehensive method for producing MDI, significantly reducing or completely avoiding a waste liquid obtained by preparation of a precursor MDA and loading of salts discharged to the outside of overall processes through the waste liquid without increasing cost for preparation of MDI and without lowering yield, an isomer ratio and a homologue ratio and control thereof and without having a bad influence upon the quality of resultant MDI. SOLUTION: In the method for producing of methylenediphenyl diisocyanates comprising (A) reacting aniline with formaldehyde in the presence of hydrochloric acid to give an MDA mixture and then neutralizing hydrochloric acid with an alkali metal hydroxide and (B) reacting the MDA mixture with phosgene to produce the MDI mixture and hydrogen chloride, (C) the hydrochloric acid neutralized in the step (A) is separated off in the form of a solution containing alkali metal chloride and then fed to an electrochemical oxidation to form chlorine, alkali metal hydroxide and hydrogen and (D) the chlorine produced in the step (C) is used for preparing the phosgene used in the step (B). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了找出生产MDI的综合方法，显着减少或完全避免通过制备前体MDA而获得的废液，并通过废液将排放到整个工艺外部的盐加载而不增加 MDI的制备成本和不降低产率，异构体比例和同系物比例及其控制，并且对所得MDI的质量没有不利影响。（A）在盐酸存在下使苯胺与甲醛反应得到MDA混合物，然后用碱金属氢氧化物中和盐酸，（B）使MDA混合物反应，得到甲苯二异氰酸酯的制备方法用光气制备MDI混合物和氯化氢，（C）将步骤（A）中和的盐酸以含有碱金属氯化物的溶液的形式分离，然后加入电化学氧化形成氯，碱金属氢氧化物和氢气和（D）步骤（C）中产生的氯用于制备步骤（B）中使用的光气。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2006282666A Method for producing diphenylmethane based di- and/or polyamine and di- and/or polyisocyanate 审中-公开
标题翻译：用于生产基于二苯醚的二 - 和/或多胺和二 - 和/或多氯氰酸酯的方法
公开(公告)号：JP2006282666A
公开(公告)日：2006-10-19
申请号：JP2006090834
申请日：2006-03-29
申请人： Bayer Materialscience Ag , バイエル・マテリアルサイエンス・アクチェンゲゼルシャフトBayer MaterialScience AG
发明人： HAGEN TORSTEN , GRABOWSKI STEFAN , ADAMSON RICHARD , KOCH DANIEL , WERSHOFEN STEFAN
IPC分类号： C07C209/78 , C07C211/46 , C07C211/50 , C07C263/10 , C08G2/08 , C08G18/02 , C08G18/08 , C08L79/02
CPC分类号： C07C209/78 , C07C211/50
摘要： PROBLEM TO BE SOLVED: To provide a simple and economic process for preparation of diphenylmethane based di- and/or polyamine in which the formation of undesirable isomers, homologues or by-products is prevented or suppressed.
SOLUTION: The invention relates to the process for preparation of the diphenylmethane based di- and/or polyamines comprising (a) mixing a first portion of aniline with an acid catalyst to form a first mixture, (b) mixing a second portion of aniline with formaldehyde to form a second mixture, and (c) mixing the mixtures prepared in each of step (a) and (b) to form a third mixture and (d) reacting the mixture of the step (c).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于制备二苯基甲烷基二胺和/或多胺的简单且经济的方法，其中防止或抑制不期望的异构体，同系物或副产物的形成。本发明涉及二苯基甲烷基二胺和/或多胺的制备方法，其包括（a）将第一部分苯胺与酸催化剂混合以形成第一混合物，（b）将第二部分的苯胺与甲醛形成第二混合物，和（c）混合在步骤（a）和（b）中制备的混合物以形成第三混合物，和（d）使步骤（c）的混合物反应。版权所有（C）2007，JPO＆INPIT

8. 发明专利

RU2501784C2 СПОСОБ ПОЛУЧЕНИЯ ДИ- И ПОЛИАМИНОВ ДИФЕНИЛМЕТАНОВОГО РЯДА И СПОСОБ ПОЛУЧЕНИЯ ДИ- И ПОЛИИЗОЦИАНАТОВ ДИФЕНИЛМЕТАНОВОГО РЯДА 未知
公开(公告)号：RU2501784C2
公开(公告)日：2013-12-20
申请号：RU2009109948
申请日：2009-03-19
申请人： BAYER MATERIALSCIENCE AG
发明人： VERSKHOFEN SHTEFAN , MJULLER KHAJNTS-KHERBERT , ADAMSON RICHARD , POL FRITTS , ZOMMER KNUT
IPC分类号： C07C209/78 , C07C211/50 , C07C263/10 , C07C265/14
摘要： Изобретениеотноситсяк способуполученияди- иполиаминовдифенилметановогоряда. Способвключаетвзаимодействиеанилинаи формальдегидав присутствиикислотногокатализатора, причемприменяютанилин, содержащийв целомот 0.0001 до 0.25 мас.% впересчетенавесиспользованногоанилина, соединений, имеющихпоменьшеймереоднукарбонильнуюгруппуилипредставляющихсобойпродуктыреакциитакихкарбонильныхсоединенийс анилином. Предлагаемыйспособпозволяетзначительноулучшитьцветполучаемогопродукта. Изобретениеотноситсятакжек способуполученияди- иполиизоцианатовдифенилметановогоряда, вкоторомди- иполиаминыдифенилметановогоряда, полученныепредлагаемымвышеспособом, взаимодействуютс фосгеном. 2 н. и 4 з.п. ф-лы, 1 табл., 9 пр.

9. 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.

10. 发明专利

AT506341T 未知
公开(公告)号：AT506341T
公开(公告)日：2011-05-15
申请号：AT07000738
申请日：2007-01-16
申请人： BAYER MATERIALSCIENCE AG
发明人： KEGENHOFF BERTHOLD , ADAMSON RICHARD , UCHDORF RUDOLF , POHL FRITZ
IPC分类号： C07C209/78 , C07C209/84 , C07C263/10
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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