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公开(公告)号：US10597488B2
公开(公告)日：2020-03-24
申请号：US16062909
申请日：2016-11-16
发明人： Pankaj Singh Gautam , Rahul Patil , Jorge Jimenez , Joshua D. Taylor , James Alan Mahood , James Franklin Hoover
摘要： A method of preparing a poly(ester-carbonate) includes contacting an aqueous solution including a dicarboxylic acid with a first solution including phosgene and a first organic solvent in a tubular reactor to provide a first reaction mixture. A dihydroxy aromatic compound, the corresponding dialkali metal salt of the dihydroxy aromatic compound, or a combination comprising at least one of the foregoing, water, and a second organic solvent are combined to provide a second reaction mixture. The method further includes introducing the first reaction mixture, the second reaction mixture, and a second solution comprising phosgene to a tank reactor, wherein the tank reactor has a first pH of 7 to 10. The pH is optionally raised to 9 to 11 to provide a third reaction mixture including the poly(ester-carbonate). Poly(ester-carbonate)s prepared according to the method described herein are also disclosed.
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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：US10406494B2
公开(公告)日：2019-09-10
申请号：US15558877
申请日：2016-03-17
发明人： Pankaj Singh Gautam , Thomas Hocker , William E. Hollar, Jr. , James Alan Mahood , Richard Peters
摘要： A process for drying resinous materials, comprising: delivering, by way of a plurality of resin channels, resin fluid comprising polymer and solvent into at least first and second steam channels (101) having within a flow of steam, the first and second steam channels (101) each receiving resin fluid from a plurality of resin channels, the first and second steam channels each (101) being received by a stage 1 manifold (121), the steam and resin being delivered under conditions so as to separate at least some of the solvent from the resin fluid; and collecting at least some of the polymer from the resin fluid.
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公开(公告)号：US20190127295A1
公开(公告)日：2019-05-02
申请号：US16302699
申请日：2017-05-09
发明人： Sreekanth Pannala , Balamurali Krishna Ramachandran Nair , Pankaj Singh Gautam , Krishnan Sankaranarayanan , David West , Istvan Lengyel , Chunliang Wu
摘要： Disclosed herein are processes, apparatuses, and systems for producing chemicals. One system may comprise a wall defining a chamber; a plurality of burners configured in an arrangement within the chamber, wherein each of the burners is supplied with a material and facilitates combustion of the material, and wherein the arrangement defines an inner volume disposed radially inwardly relative thereto; and an injector disposed within the inner volume and configured to introduce a feedstock into the chamber, wherein the plurality of burners provide thermal energy to facilitate thermal pyrolysis of the feedstock.
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公开(公告)号：US09670131B2
公开(公告)日：2017-06-06
申请号：US15111050
申请日：2015-02-04
IPC分类号： C07C68/02 , B01J19/24 , B01J8/02 , C01B31/28 , B01J8/06 , B01J8/04 , B01J19/02 , B01J35/00 , B01J21/18 , B01J27/224 , B01J33/00 , B01J35/06
CPC分类号： C07C68/02 , B01J8/02 , B01J8/0292 , B01J8/0496 , B01J8/067 , B01J19/02 , B01J19/2415 , B01J21/18 , B01J27/224 , B01J33/00 , B01J35/0006 , B01J35/06 , B01J2208/00805 , B01J2208/0084 , B01J2219/0218 , B01J2219/0236 , B01J2219/0263 , B01J2219/0286 , B01J2219/029 , C01B32/80 , C07C69/96
摘要： In an embodiment, a method of producing carbonate can comprise: reacting a feed comprising carbon monoxide and chlorine in a tube of a reactor to produce a product composition comprising phosgene, wherein the tube has a particulate catalyst contained therein, wherein a thermally conductive material separate from the tube contacts at least a portion of the particulate catalyst, and wherein carbon tetrachloride is present in the product composition in an amount of 0 to 10 ppm by volume based on the volume of the phosgene; and reacting a monohydroxy compound with the phosgene to produce the carbonate.
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公开(公告)号：US09617381B2
公开(公告)日：2017-04-11
申请号：US14907349
申请日：2014-07-25
CPC分类号： C08G64/406 , C08G64/24
摘要： In another embodiment, a process of purifying an interfacially polymerized polycarbonate from a feed comprising an aqueous phase and an organic phase comprising an organic solvent, the interfacially polymerized polycarbonate, a catalyst, and ions, can comprise: separating the aqueous phase and the organic phase from the feed, wherein during the separating the feed is subjected to at least one of: energy of less than or equal to 0.5 kJ/kg of feed, a shear rate of less than 150,000 S−1, and centrifugal forces of 100 to 2,000 g-force; to form a purified aqueous phase and a purified organic phase comprising a purified polycarbonate.
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公开(公告)号：US20160237210A1
公开(公告)日：2016-08-18
申请号：US15025504
申请日：2014-09-30
摘要： A catalyzed interfacial phosgenation process with controlled feed ratios and controlled reaction pH levels allows for the formation of high heat polycarbonate random copolymers having high loadings of bis (4-hydroxyphenyl)-2-phenylisoindolin-1-one (“PPPBP”) or a structurally related comonomer. The process produces a polycarbonate copolymer having improved hydrolytic stability.
摘要翻译： 具有受控进料比和受控反应pH水平的催化界面光气化过程允许形成具有高负载双（4-羟苯基）-2-苯基异吲哚啉-1-酮（“PPPBP”）或结构上的高热聚碳酸酯无规共聚物 相关的共聚单体。 该方法产生具有改善的水解稳定性的聚碳酸酯共聚物。
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8.发明授权公开(公告)号：US10329215B2
公开(公告)日：2019-06-25
申请号：US16249405
申请日：2019-01-16
IPC分类号： C07C2/84
摘要： A methane conversion process for producing C2+ hydrocarbons comprising (a) introducing a reactant mixture comprising methane (>20 mol %) and an inert compound to a reaction unit to produce a reactor effluent stream comprising C2+ hydrocarbons, methane, the inert compound, and water and/or carbon dioxide; (b) removing at least a portion of the water and/or at least a portion of the carbon dioxide from the reactor effluent stream to produce a demethanizer feed stream; (c) feeding at least a portion of the demethanizer feed stream to a demethanizer unit to produce two or more vapor streams (methane rich stream and inert rich stream), and at least one liquid stream (C2+ hydrocarbons); (d) withdrawing at least a portion of the inert rich stream as a purge stream; (e) recycling any remaining portion of the inert rich stream to the reaction unit; and (f) recycling the methane rich stream to the reaction unit.
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公开(公告)号：US20180319932A1
公开(公告)日：2018-11-08
申请号：US15951373
申请日：2018-04-12
CPC分类号： C08G64/24 , B01J8/0015 , B01J2219/0004 , B01J2219/00042 , C08G64/04 , C08G64/205 , C08G64/307 , C08L69/00
摘要： In an embodiment, a continuous method of forming a bisphenol A oil comprises forming the bisphenol A oil by mixing a molten bisphenol A and water; wherein the bisphenol A oil comprises 10 to 30 wt % water based on a total weight of the bisphenol A oil and is at a temperature of 100 to 140° C.; flowing at least a portion of the bisphenol A oil through an inline densitometer and measuring a real-time density and a real-time temperature of the bisphenol A oil; determining a real-time concentration of the bisphenol A oil based on said real-time density and said real-time temperature.
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公开(公告)号：US20170001943A1
公开(公告)日：2017-01-05
申请号：US15104573
申请日：2015-02-04
IPC分类号： C07C68/02 , B01J8/06 , B01J8/02 , B01J8/04 , B01J19/24 , F28F1/10 , F28F1/42 , F28F1/24 , F28F1/34 , F28F1/38 , F28F1/40 , F28F13/08 , C01B31/28 , F28F1/02
CPC分类号： C07C68/02 , B01J8/0285 , B01J8/0438 , B01J8/0442 , B01J8/067 , B01J19/245 , B01J2208/00185 , B01J2208/00194 , B01J2208/00221 , B01J2208/00238 , B01J2208/00513 , B01J2208/02 , B01J2208/065 , B01J2219/00015 , B01J2219/192 , B01J2219/1923 , B01J2219/194 , B01J2219/1943 , B01J2219/1944 , B01J2219/1946 , B01J2219/1947 , C01B32/80 , F28F1/025 , F28F1/08 , F28F1/10 , F28F1/16 , F28F1/24 , F28F1/34 , F28F1/38 , F28F1/40 , F28F1/426 , F28F13/08 , F28F2210/02 , C07C69/96
摘要： In an embodiment, a method of producing a carbonate comprises reacting carbon monoxide and chlorine in a phosgene reactor in the presence of a catalyst to produce a first product comprising phosgene; wherein carbon tetrachloride is present in the first product in an amount of 0 to 10 ppm by volume based on the total volume of phosgene; and reacting a monohydroxy compound with the phosgene to produce the carbonate; wherein the phosgene reactor comprises a tube, a shell, and a space located between the tube and the shell; wherein the tube comprises one or more of a mini-tube section 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： 在一个实施方案中，生产碳酸酯的方法包括在光气反应器中在催化剂存在下使一氧化碳和氯反应，以产生包含光气的第一产物; 其中基于碳酰氯的总体积，四氯化碳以0至10ppm体积的量存在于第一产物中; 并使单羟基化合物与光气反应以产生碳酸盐; 其中所述光气反应器包括管，壳和位于所述管和所述壳之间的空间; 其中所述管包括微管部分和第二管部分中的一个或多个; 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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