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1. 发明专利

JP2007023034A Production method of isocyanate 有权
标题翻译：异氰酸酯的生产方法
公开(公告)号：JP2007023034A
公开(公告)日：2007-02-01
申请号：JP2006191633
申请日：2006-07-12
申请人： Bayer Materialscience Ag , バイエルマテリアルサイエンスアーゲー
发明人： BULAN ANDREAS , WEBER RAINER , LORENZ WOLFGANG , MOORMANN GERHARD , KAEMPER FRIEDHELM , KEGGENHOFF BERTHOLD
IPC分类号： C07C263/10 , C01B7/01 , C01B7/07 , C01B32/80 , C07C265/14
CPC分类号： C07C263/10 , C07C263/20 , C25B1/26 , C07C265/14
摘要： PROBLEM TO BE SOLVED: To provide a production method of an isocyanate, in which chlorine is formed from hydrogen chloride produced at a phosgenation step and is recycled. SOLUTION: The isocyanate is produced by (a) reacting chlorine with carbon monoxide to produce phosgene; (b) reacting the phosgene with an organic amine to form an isocyanate and hydrogen chloride; (c) separating the isocyanate and the hydrogen chloride; (d) arbitrarily purifying the hydrogen chloride; (e) preparing an aqueous hydrogen chloride solution; (f) arbitrarily purifying the aqueous hydrogen chloride solution; (g) subjecting the aqueous hydrogen chloride solution to an electrochemical oxidation treatment to form chlorine; and (h) returning at least a part of the chlorine produced in (g) to (a). In the production method, energy can be saved by suppressing the complicated circulation of a solvent and phosgene to the minimum. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：提供异氰酸酯的制备方法，其中氯气由在光气化步骤中产生的氯化氢形成并被再循环。解决方案：异氰酸酯通过（a）使氯与一氧化碳反应产生光气而产生; （b）使光气与有机胺反应形成异氰酸酯和氯化氢; （c）分离异氰酸酯和氯化氢; （d）任意纯化氯化氢; （e）制备氯化氢水溶液; （f）任意纯化氯化氢水溶液; （g）使氯化氢水溶液进行电化学氧化处理以形成氯; 和（h）将（g）至（a）中产生的氯的至少一部分返回。在制造方法中，能够通过将溶剂和光气的复杂循环抑制到最小来节省能量。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

JP2007137886A Method for producing 4,4'-diphenylmethane diisocyanate 有权
标题翻译：生产4,4'-二苯基甲基二锡酸盐的方法
公开(公告)号：JP2007137886A
公开(公告)日：2007-06-07
申请号：JP2006313453
申请日：2006-11-20
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 , BOLTON JEFFREY
IPC分类号： C07C263/10 , C07C263/20 , C07C265/14
CPC分类号： C07C263/10 , C07C263/20 , C07C265/14
摘要： PROBLEM TO BE SOLVED: To provide a method for producing 4,4'-diphenylmethane diisocyanate (MDI) and a polymer type MDI as a product of steps in a ratio desired from markets while satisfying quality standard specified by the market when demand of 2,4'-MDI is not requested in the market. SOLUTION: In the method for producing 4,4'-MDI by condensing aniline with formaldehyde by an acid catalyst, reacting the resultant polyamine mixture with a phosgene to provide a mixture of MDI isomer with a homologue and successively separating the mixture by distillation, the present invention provides a simple method in which only industrially pure 4,4'-MDI and polymer type MDI are obtained in industrially commonly used form and in a ratio which is controllable in a wide range as a product of the method. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种按照市场需求的比例产生4,4'-二苯基甲烷二异氰酸酯（MDI）和聚合型MDI的聚合物MDI的方法，同时满足市场规定的质量标准的2,4'-MDI在市场上没有要求。解决方案：在通过酸催化剂将苯胺与甲醛缩合制备4,4'-MDI的方法中，使所得多胺混合物与光气反应，得到MDI异构体与同系物的混合物，并依次分离混合物蒸馏，本发明提供了一种简单的方法，其中仅工业上纯的4,4'-MDI和聚合物型MDI以工业上常用的形式获得，并且以可作为该方法的乘积在宽范围内控制。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2010051959A Method for dividing current of fluid 审中-公开
标题翻译：用于分流流体流的方法
公开(公告)号：JP2010051959A
公开(公告)日：2010-03-11
申请号：JP2009196203
申请日：2009-08-27
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 , BOLTON JEFFREY , STEFFENS FRIEDHELM , SEEKAMP MARC , RUFFERT GERHARD , KERN JUERGEN , RUNOWSKI THOMAS
IPC分类号： B01J19/32 , B01D3/22 , B01J10/00
CPC分类号： B01J8/44 , B01D3/008 , B01J2208/00707 , F26B3/082 , Y10T137/0318 , Y10T137/85938
摘要： PROBLEM TO BE SOLVED: To provide a method for equally dividing a current of a fluid, particularly, the current of a liquid, in which dissolved and/or suspended substances are contained, in a chemical plant without forming sediments of the dissolved and/or suspended substances in the chemical plant. SOLUTION: At least one current of the fluid is divided uniformly into at least two partial currents of the fluid in the chemical plant so as to decrease a tendency to form sediments. The division of the current of the fluid is attained by using a division apparatus having at least one plate provided with at least two openings. At least one side of the opening is rounded or chamfered. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在化学工厂中将流体特别是含有溶解和/或悬浮物质的液体的电流等分成不形成溶解的沉淀物的方法和/或化学工厂中的悬浮物质。解决方案：流体的至少一个电流被均匀分配成化学设备中的流体的至少两个部分电流，以便减少形成沉积物的倾向。通过使用具有设置有至少两个开口的至少一个板的分割装置来实现流体的电流的划分。开口的至少一侧是圆形或倒角。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2007302672A Method for producing isocyanate 有权
标题翻译：生产异氰酸酯的方法
公开(公告)号：JP2007302672A
公开(公告)日：2007-11-22
申请号：JP2007128273
申请日：2007-05-14
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 , LOKUM HEINRICH , BOEHM MATTHIAS
IPC分类号： C07C263/10 , C07C263/20 , C07C265/14
CPC分类号： C07C263/10 , C07C265/14
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an isocyanate by using a recycled solvent while minimizing the formation of by-products, loss of yield and reduction of quality of the produced isocyanate.
SOLUTION: The method for producing the isocyanate includes producing an amine solution in a solvent, producing a phosgene solution in the same solvent, joining the amine solution with the phosgene solution to react the amine with the phosgene to afford an isocyanate-containing reaction solution, separating hydrogen chloride and excess phosgene from the reaction solution to afford a crude isocyanate solution, distilling the crude isocyanate solution to separate the crude isocyanate solution to an isocyanate-containing flow and a solvent-containing flow, refining the solvent-containing flow of a part to be recycled by distillation to afford a purified solvent-containing flow having
摘要翻译：要解决的问题：提供一种通过使用再循环溶剂来生产异氰酸酯的方法，同时最小化副产物的形成，产率的损失和所生产的异氰酸酯的质量降低。解决方案：异氰酸酯的制造方法包括在溶剂中制备胺溶液，在相同的溶剂中制备光气溶液，将胺溶液与光气溶液接合，使胺与光气反应，得到含异氰酸酯的反应溶液，从反应溶液中分离出氯化氢和过量的光气，得到粗异氰酸酯溶液，蒸馏粗异氰酸酯溶液，将粗异氰酸酯溶液分离成含异氰酸酯的流和含溶剂的流，精制含溶剂流的一部分通过蒸馏再循环以提供具有<100ppm二异氰酸酯含量和<100ppm光气含量的纯化的含溶剂流，并再循环其至少一部分。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2006062957A Process and apparatus for producing phosgene 审中-公开
标题翻译：生产磷虾的方法和装置
公开(公告)号：JP2006062957A
公开(公告)日：2006-03-09
申请号：JP2005246512
申请日：2005-08-26
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 , LOKUM HEINRICH , MUENNIG JUERGEN
IPC分类号： C01B31/28
CPC分类号： B01J8/0085 , B01J8/067 , B01J19/002 , B01J2208/00221 , B01J2208/00522 , B01J2208/00539 , B01J2208/00849 , B01J2208/025 , B01J2219/00268 , C01B32/80 , Y02P20/124
摘要： PROBLEM TO BE SOLVED: To provide a process and an apparatus for producing phosgene in which, as a result of efficient heat dissipation, a gas temperature of below 100°C and a concentration of chlorine in the phosgene of below 50 ppm are ensured at the outlet of a reactor and safe operation is simultaneously performed. SOLUTION: In the process for the producing phosgene by reacting chlorine with carbon monoxide in the presence of an activated carbon catalyst in a shell-and-tube reactor which contains a plurality of reaction tubes and a coolant space surrounding the reaction tubes, the reaction tubes are cooled from the outside through the coolant space with water by evaporative cooling and the reaction tubes are operated at pressure above the pressure in the coolant space. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种生产光气的方法和装置，其中作为高效散热的结果，低于100℃的气体温度和低于50ppm的光气中的氯的浓度为确保在反应堆的出口处，同时进行安全操作。解决方案：在含有多个反应管和围绕反应管的冷却空间的管壳式反应器中，在活性炭催化剂存在下，氯与一氧化碳反应生产光气的方法中，反应管通过蒸发冷却从外部通过冷却剂空间用水冷却，并且反应管在高于冷却剂空间中的压力的压力下操作。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006348030A METHOD FOR PRODUCING 4,4'-DIPHENYLMETHANE DIISOCYANATE 审中-公开
公开(公告)号：JP2006348030A
公开(公告)日：2006-12-28
申请号：JP2006161455
申请日：2006-06-09
申请人： BAYER MATERIALSCIENCE AG
发明人： KEGGENHOFF BERTHOLD , ECHTERHOFF RALF , SERRA RICARDO-BUREL
IPC分类号： C07C263/10 , C07C209/78 , C07C211/53 , C07C263/18
摘要： PROBLEM TO BE SOLVED: To provide a method for producing 4,4'-diphenylmethane diisocyanate(4,4'-MDI) free of drawbacks involved in prior arts through enabling raw materials suitable for producing the 4,4'-MDI, e.g. a suitable MDI mixture, to be transported from a first production site to a second production site. SOLUTION: The method for producing 4,4'-MDI involves the following process: A condensation reaction is conducted between aniline and formaldehyde using an acid catalyst, and the resultant polyamine mixture is reacted with phosgene to obtain a mixture of a MDI isomer and a homolog (diphenylmethane-series diisocyanate and polyisocyanate) in a first production facility. COPYRIGHT: (C)2007,JPO&INPIT

8. 发明专利

JP2006055847A Stirrer for performing gas-liquid reaction and method therefor 审中-公开
标题翻译：用于执行气液反应的方法及其方法
公开(公告)号：JP2006055847A
公开(公告)日：2006-03-02
申请号：JP2005236936
申请日：2005-08-17
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： BUSE RAINER , KEGGENHOFF BERTHOLD , MUENNIG JUERGEN , STEFFENS FRIEDHELM , RITTER JOACHIM
IPC分类号： B01F7/32 , B01F3/04 , B01F3/08 , B01F7/16
CPC分类号： B01F3/04539 , B01F3/2215 , B01F7/00641 , B01F2003/04546 , B01F2003/04567 , B01F2015/061 , B01F2215/0427 , B01F2215/0431 , B01F2215/0472 , B01F2215/0481 , B01J19/0066 , B01J2219/00076
摘要： PROBLEM TO BE SOLVED: To provide a stirrer that supplies a liquid to a gas-liquid mixture and selectively and evenly distributes the gas-liquid reactant. SOLUTION: In the stirrer 10 including a gassing stirrer 12 and a liquid mixer or two liquid mixers 13 disposed on a shaft 11 having a supply section and at least one outlet opening, the outlet opening of the stirrer and the outlet opening of one or a plurality of mixers are mutually separated, the ratio a/d of the distance (a) between the outlet openings and the diameter (d) of the stirrer and one or a plurality of the mixers is about 0.02 to 0.5, and the ratio b/d of the distance (b) between the outer edge section and the diameter (d) of the stirrer or the mixers is about 0.01 to 0.4. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种将液体供应到气液混合物并选择性地均匀分布气 - 液反应物的搅拌器。解决方案：在包括放气搅拌器12和设置在具有供应部分和至少一个出口开口的轴11上的液体混合器或两个液体混合器13的搅拌器10中，搅拌器的出口和出口开口一个或多个混合器相互分离，出口开口之间的距离（a）与搅拌器和一个或多个混合器的直径（d）之比a / d为约0.02至0.5，外边缘部分和搅拌器或混合器直径（d）之间的距离（b）的比率b / d为约0.01至0.4。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005021890A Method for treating waste water generated during nitration reaction of toluene 有权
标题翻译：用于处理硝酸的硝化反应产生的废水的方法
公开(公告)号：JP2005021890A
公开(公告)日：2005-01-27
申请号：JP2004194525
申请日：2004-06-30
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： MUENNIG JUERGEN , WASTIAN DIETMAR , LORENZ WOLFGANG , KEGGENHOFF BERTHOLD
IPC分类号： B01D19/00 , B01D11/04 , C02F1/20 , C02F1/26 , C02F1/52 , C02F9/00 , C07C201/06 , C07C201/16
CPC分类号： C02F1/26 , C02F1/66 , C02F9/00 , C02F2103/36 , C07C201/16 , C07C205/06 , C07C205/22 , C07C205/24 , C07C205/57
摘要： PROBLEM TO BE SOLVED: To provide a method for treating waste water generated during the nitration reaction of toluene. SOLUTION: This method comprises the steps of: (a) mixing acidic waste water and alkaline waste water from a washing step (1) with a water-soluble distillate from a sulfuric acid concentrating step (2) and adjust the pH of the obtained mixture to COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种处理在甲苯的硝化反应期间产生的废水的方法。解决方案：该方法包括以下步骤：（a）将来自洗涤步骤（1）的酸性废水和碱性废水与来自硫酸浓缩步骤（2）的水溶性馏出物混合，并调节pH 所得混合物<5; （b）通过相分离将pH调节的混合物分离成水相和有机相; （c）将水相从步骤（b）送入提取步骤; （d）用甲苯提取存在于水相中的有机成分; 和（e）将富含有机组分的甲苯相引入甲苯硝化步骤中。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005023076A Method for removing sub-component formed in nitration of toluene 有权
标题翻译：用于去除在硝酸铵中形成的亚组分的方法
公开(公告)号：JP2005023076A
公开(公告)日：2005-01-27
申请号：JP2004194526
申请日：2004-06-30
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： MUENNIG JUERGEN , WASTIAN DIETMAR , LORENZ WOLFGANG , KEGGENHOFF BERTHOLD
IPC分类号： C07C201/08 , C02F1/26 , C02F1/66 , C02F9/00 , C07C201/16 , C07C205/06
CPC分类号： C02F1/26 , C02F1/66 , C02F9/00 , C02F2103/36 , C07C201/16 , C07C205/06
摘要： PROBLEM TO BE SOLVED: To provide a simple and economical method for removing and treating undesirable sub-components in nitration.
SOLUTION: This method for removing the organic sub-components formed in the nitration is characterized (a) by combining (1) an acid or alkaline waste water produced in a cleaning process of the nitration with (2) an aqueous distillate from a sulfuric acid concentration process so as to make the mixture have

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