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公开(公告)号：US20240269634A1
公开(公告)日：2024-08-15
申请号：US18562358
申请日：2022-05-24
申请人： BASF SE
发明人： Gerhard OLBERT , Torsten MATTKE
CPC分类号： B01J8/067 , B01J8/065 , B01J19/006 , C01B32/80 , B01J2208/00044 , B01J2208/00176 , B01J2208/00221 , B01J2208/00849
摘要： The invention relates to a process for producing phosgene by gas phase reaction of carbon monoxide and chlorine in the presence of a solid-state catalyst in a shell-and-tube reactor (1) comprising catalyst tubes (3) which are surrounded by a reactor shell (23) and which accommodate the solid-state catalyst and around which a temperature control medium flows, and baffle plates (27) arranged at right angles to the catalyst tubes (3) in order to generate crossflow of the temperature control medium with respect to the catalyst tubes (3), comprising the following steps:
(a) feeding a gas mixture comprising carbon monoxide and chlorine into the shell-and-tube reactor (1), such that the reaction mixture enters the catalyst tubes (3) at one end;
(b) reacting the carbon monoxide with chlorine to give phosgene in the catalyst tubes (3) to give a phosgene-containing product stream;
(c) withdrawing the phosgene-containing product stream from the shell-and-tube reactor (1),
wherein the amount of liquid temperature control medium in the shell-and-tube reactor (1) is sufficiently large that the temperature of the temperature control medium in the event of failure of the temperature control medium flow reaches the normal boiling point of the temperature control medium no earlier than after 90 s.-
公开(公告)号：US20230278000A1
公开(公告)日：2023-09-07
申请号：US18017679
申请日：2021-07-27
申请人： BASF SE
发明人： Jan Pablo JOSCH , Stefan ENGELS
CPC分类号： B01J19/24 , C01B32/80 , B01J2219/00036
摘要： A unit for producing and/or processing phosgene, preferably for producing and processing phosgene, said unit being configured for at least one production mode and at least one maintenance mode and comprising a structure which defines a confined space in a production mode, wherein (i) the confined space contains at least one apparatus for producing phosgene, or for processing phosgene, or for producing and processing phosgene; (ii) the structure comprises at least one openable and lockable transfer means for temporary removal, in a maintenance mode, of at least part of at least one apparatus according to (i) from the structure through at least one of said transfer means in opened state.
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公开(公告)号：US09840461B2
公开(公告)日：2017-12-12
申请号：US15128179
申请日：2015-03-24
IPC分类号： C07C263/00 , C07C263/10 , C07C263/20 , C01B31/28 , B01J12/00
CPC分类号： C07C263/10 , B01J12/005 , C01B32/80 , C07C263/20 , C07C265/14
摘要： This invention relates to a process for operating a gas phase phosgenation plant (100) to form an isocyanate (4) by reacting an amine (2) with phosgene (1), in which the gas phase phosgenation plant is started up by first charging the plant with phosgene. At the same time as, or after the first charge of phosgene, the amine supply devices are rendered inert using a hot inert gas stream (30). Then, amine is admixed for the first time. In this way and by maintaining a pressure drop in the amine and phosgene devices to the mixing zone, the back mixing of phosgene into the amine-containing reactant stream during start-up is prevented.
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公开(公告)号：US09815703B2
公开(公告)日：2017-11-14
申请号：US15112261
申请日：2015-01-16
发明人： Thomas Knauf , Andreas Karl Rausch , Dirk Manzel , Charles Bjoerndahl , Matthias Ehlers , Carlos Alvarez Herrero , Francisco Munoz Velasco
IPC分类号： C01B31/28 , B01J7/00 , B01J19/00 , B01J21/18 , C07C263/10 , C07C265/04 , C08G64/06 , C08G64/28
CPC分类号： C01B32/80 , B01J7/00 , B01J19/0013 , B01J21/18 , B01J2219/00051 , C07C263/10 , C07C265/04 , C08G64/06 , C08G64/28
摘要： The present invention relates to a method for operating a phosgene generator for producing phosgene by reacting carbon monoxide with chlorine in the gas phase on an activated carbon catalyst arranged in a reaction chamber, in which method, after a predefinable operating period, the phosgene production is at least temporarily interrupted by shutting down the phosgene generator over a shutdown period and, after a predefinable downtime, is resumed by starting up the phosgene generator over a start-up period, wherein the method is characterized in that the activated carbon catalyst, before the phosgene generator is started up, is freed of chlorine by adding carbon monoxide so that, during the start-up period, a maximum concentration of chlorine in the gas stream immediately downstream of the reaction chamber of 1000 ppmv is not exceeded. The invention also relates to the use of the phosgene thus obtained in the production of polycarbonate and isocyanates.
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公开(公告)号：US20160176715A1
公开(公告)日：2016-06-23
申请号：US14907417
申请日：2014-07-25
CPC分类号： C01B31/28 , B01J8/0285 , B01J8/067 , B01J19/006 , B01J19/2405 , B01J19/2415 , B01J19/2425 , B01J19/243 , B01J2208/00194 , B01J2208/00212 , B01J2208/00221 , B01J2219/00094 , B01J2219/00765 , C01B32/80
摘要： A reactor for producing phosgene, the reactor comprising: tube located in a shell and a space located between the tube and the shell; a cooling medium located in the space and a catalyst located in the tube or cooling medium located in the tube and a catalyst located in the space; a feed inlet; and a product mixture outlet; wherein the tube comprises one or more of: a mini-tube and a second tube section; a first concentric tube concentrically located in the shell; a twisted tube; an internal scaffold; and an external scaffold.
摘要翻译： 一种用于生产光气的反应器，该反应器包括：位于壳体中的管和位于管和壳之间的空间; 位于所述空间中的冷却介质和位于所述管中的管或冷却介质中的催化剂和位于所述空间中的催化剂; 进料口; 和产品混合物出口; 其中所述管包括以下中的一个或多个：微型管和第二管部分; 同心地位于外壳中的第一同心管; 扭管 内部支架 和外部支架。
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公开(公告)号：US20160168085A1
公开(公告)日：2016-06-16
申请号：US15048541
申请日：2016-02-19
IPC分类号： C07C265/14 , C08G18/77 , C01B31/28
CPC分类号： C07C265/14 , C01B32/80 , C07C263/10 , C07C263/20 , C08G18/3206 , C08G18/771
摘要： A method of making an amino acid triisocyanate is provided, the method comprising reacting an amino acid trihydrochloride with phosgene to form the amino acid triisocyanate. In some embodiments, the amino acid trihydrochloride comprises lysine ester trihydrochloride salt and the amino acid triisocyanate comprises lysine ester triisocyanate. In some embodiments, there is a lysine ester triisocyanate having a purity of at least about 98%, the lysine ester triisocyanate having a structure resulting from reacting lysine ester trihydrochloride salt with phosgene to form the lysine ester triisocyanate. These lysine ester triisocyanates can be used to make biodegradable polyurethanes.
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公开(公告)号：US09266824B2
公开(公告)日：2016-02-23
申请号：US14153419
申请日：2014-01-13
IPC分类号： C07C263/10 , C07C263/20 , C07C265/14 , C01B31/28 , C08G18/00
CPC分类号： C07C265/14 , C01B32/80 , C07C263/10 , C07C263/20 , C08G18/3206 , C08G18/771
摘要： A method of making an amino acid triisocyanate is provided, the method comprising reacting an amino acid trihydrochloride with phosgene to form the amino acid triisocyanate. In some embodiments, the amino acid trihydrochloride comprises lysine ester trihydrochloride salt and the amino acid triisocyanate comprises lysine ester triisocyanate. In some embodiments, there is a lysine ester triisocyanate having a purity of at least about 98%, the lysine ester triisocyanate having a structure resulting from reacting lysine ester trihydrochloride salt with phosgene to form the lysine ester triisocyanate. These lysine ester triisocyanates can be used to make biodegradable polyurethanes.
摘要翻译： 提供了制备氨基酸三异氰酸酯的方法，该方法包括使氨基酸三盐酸盐与光气反应形成氨基酸三异氰酸酯。 在一些实施方案中，氨基酸三盐酸盐包含赖氨酸三盐酸盐，氨基酸三异氰酸酯包含赖氨酸三异氰酸酯。 在一些实施方案中，存在纯度为至少约98％的赖氨酸三异氰酸酯，赖氨酸三异氰酸酯具有由赖氨酸三盐酸盐与光气反应形成赖氨酸三异氰酸酯的结构。 这些赖氨酸酯三异氰酸酯可用于制造可生物降解的聚氨酯。
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公开(公告)号：US09023300B2
公开(公告)日：2015-05-05
申请号：US13140227
申请日：2009-12-16
CPC分类号： B01J8/067 , B01J2208/00221 , B01J2208/0023 , B01J2219/00247 , B01J2219/0286 , C01B32/80
摘要： A reactor (1) for preparing phosgene by gas-phase reaction of carbon monoxide and chlorine in the presence of a solid-state catalyst, which is provided in a plurality of catalyst tubes (2) which are arranged parallel to one another in the longitudinal direction of the reactor (1) and are welded at each of their two ends into a tube plate (3), with introduction of the starting materials at the upper end of the catalyst tubes (2) and discharge of the gaseous reaction mixture at the lower end of the catalyst tubes (2), in each case via a cap, and also with introduction and discharge facilities for a liquid heat transfer medium (7) in the space (4) between the catalyst tubes (2) within the shell, where the flow of the heat transfer medium (7) in the space (4) between the catalyst tubes (2) within the shell is meandering as a result of deflection plates (5), each alternative deflection plate (5) leaves two openings (6) having the shape of a segment of a circle free on opposite sides at the interior wall of the reactor and the immediately subsequent deflection plate leaves a central opening (11) which is bounded by two straight lines which are parallel to and equidistant from one another and a reactor diameter free and the reactor (1) has no tubes in the region of the openings (6) having the shape of a segment of a circle and in the region of the central openings (11), wherein the many catalyst tubes (2) aligned parallel to one another in the longitudinal direction of the reactor (1) are arranged in two bundles of identical catalyst tubes (2) which are separated from one another by a region which is free of catalyst tubes (2) and extends to both sides along a reactor diameter and the heat transfer coefficients at the interface between the catalyst tubes (2) and the heat transfer medium (7) are equalized over each reactor cross section by the flow paths of the heat transfer medium (7) in each reactor cross section, in each case measured from the first to last catalyst tube (2) in the flow direction of the heat transfer medium (7), being matched to one another by means of an altered arrangement of the catalyst tubes (2), is proposed.
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9.发明授权In-situ generation of the molecular etcher carbonyl fluoride or any of its variants and its use 有权原位生成分子蚀刻剂羰基氟化物或其任何变体及其用途公开(公告)号：US08932406B2
公开(公告)日：2015-01-13
申请号：US13831613
申请日：2013-03-15
CPC分类号： B01J19/087 , B01J19/081 , B01J19/088 , B01J19/123 , B01J19/125 , B01J19/126 , B01J19/127 , B01J19/128 , B01J19/129 , B01J2219/0883 , B01J2219/0892 , C01B31/00 , C01B32/00 , C01B32/80 , C23C16/4405 , H01L21/31116 , Y02C20/30 , Y02P70/605
摘要： The molecular etcher carbonyl fluoride (COF2) or any of its variants, are provided for, according to the present invention, to increase the efficiency of etching and/or cleaning and/or removal of materials such as the unwanted film and/or deposits on the chamber walls and other components in a process chamber or substrate (collectively referred to herein as “materials”). The methods of the present invention involve igniting and sustaining a plasma, whether it is a remote or in-situ plasma, by stepwise addition of additives, such as but not limited to, a saturated, unsaturated or partially unsaturated perfluorocarbon compound (PFC) having the general formula (CyFz) and/or an oxide of carbon (COx) to a nitrogen trifluoride (NF3) plasma into a chemical deposition chamber (CVD) chamber, thereby generating COF2. The NF3 may be excited in a plasma inside the CVD chamber or in a remote plasma region upstream from the CVD chamber. The additive(s) may be introduced upstream or downstream of the remote plasma such that both NF3 and the additive(s) (and any plasma-generated effluents) are present in the CVD chamber during cleaning.
摘要翻译： 根据本发明，提供分子蚀刻剂碳酰氟（COF 2）或其任何变体，以提高蚀刻和/或清洁和/或去除诸如不需要的膜和/或沉积物之类的材料的效率 处理室或基板（这里统称为“材料”）中的室壁和其它部件。 本发明的方法包括通过逐步添加添加剂，例如但不限于饱和的，不饱和的或部分不饱和的全氟化碳化合物（PFC）来点燃和维持等离子体，无论是远距离还是原位等离子体，其具有 通式（CyFz）和/或碳（COx）与三氟化氮（NF3）等离子体的氧化物进入化学沉积室（CVD）室，从而产生COF 2。 NF 3可以在CVD室内的等离子体中或在CVD室上游的远程等离子体区域中被激发。 添加剂可以被引入远程等离子体的上游或下游，使得NF 3和添加剂（和任何等离子体产生的流出物）在清洁期间都存在于CVD室中。
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10.发明授权Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series 有权制备二苯基甲烷二异氰酸酯系列的浅色异氰酸酯的方法公开(公告)号：US08841480B2
公开(公告)日：2014-09-23
申请号：US13383549
申请日：2010-07-15
IPC分类号： C07C263/00 , C08G18/76 , C01B31/28 , C07C263/10
CPC分类号： C01B31/28 , C01B32/80 , C07C263/10 , C08G18/7664 , C07C265/14
摘要： The present invention accordingly provides a process for preparing light-colored polyphenylene-polymethylene polyisocyanates comprising the steps (a) providing an amount of chlorine, (b) separating the chlorine provided in the step (a) to obtain a first chlorine fraction having a content of free and bound bromine and iodine of
摘要翻译： 因此，本发明提供了制备浅色聚亚苯基 - 多亚甲基多异氰酸酯的方法，其包括步骤（a）提供一定量的氯，（b）将步骤（a）中提供的氯分离，得到含有 游离和结合的溴和碘<50ppm的第二氯级分和具有增加游离和结合溴和碘含量的第二氯级分，其取决于步骤（a）中提供的氯中溴和碘的原始量和分离分离 （c）使一氧化碳与第一氯馏分的至少一部分反应以形成第一光气级分，（d）使一氧化碳与第二氯级分的至少一部分反应以形成第二级光气级分，（e） 将至少一部分第一光气级分与二苯基甲烷二胺系列（MDA）的至少一种胺反应以形成相应的聚亚苯基 - 多亚甲基多异氰酸酯（PMDI），以及 （f）使第二光气级分的至少一部分与至少一种伯胺反应，除了单 - 和聚亚苯基 - 多亚甲基多胺以形成至少一种含异氰酸酯的反应溶液。
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