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1.发明申请公开(公告)号：US20160177029A1
公开(公告)日：2016-06-23
申请号：US14907369
申请日：2014-07-25
IPC分类号： C08G64/40
CPC分类号： C08G64/403 , C08G64/406
摘要： In an embodiment, a process of purifying a polycarbonate comprises: polymerizing a dihydroxy compound and a carbonate source via an interfacial reaction in the presence of a catalyst to form a product mixture comprising an aqueous phase and an organic phase, wherein the organic phase comprises the polycarbonate, the catalyst, ions, and a solvent having a boiling point Tb; heating the product mixture to greater than or equal to Tb; separating the aqueous phase and the organic phase at a temperature greater than or equal to Tb to form a separated organic phase and a separated aqueous phase; extracting the catalyst from the separated organic phase; and extracting the ions from the separated organic phase; wherein if a centrifuge is used in the extracting of the catalyst, the extracting of the ions, or both, the process further comprises cooling a stream entering the centrifuge to less than Tb.
摘要翻译： 在一个实施方案中，纯化聚碳酸酯的方法包括：在催化剂存在下通过界面反应聚合二羟基化合物和碳酸酯源，以形成包含水相和有机相的产物混合物，其中有机相包含 聚碳酸酯，催化剂，离子和沸点为Tb的溶剂; 将产物混合物加热至大于或等于Tb; 在大于或等于Tb的温度下分离水相和有机相以形成分离的有机相和分离的水相; 从分离的有机相中提取催化剂; 并从分离的有机相中提取离子; 其中如果在提取催化剂中使用离心机，则提取离子或两者，该方法还包括将进入离心机的流冷却至小于Tb。
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公开(公告)号：US20160168323A1
公开(公告)日：2016-06-16
申请号：US14907354
申请日：2014-07-25
IPC分类号： C08G64/40
CPC分类号： C08G64/406
摘要： In an embodiment, a process of purifying a polycarbonate from an interfacial polymerization product mixture comprising an aqueous phase and an organic phase comprising a first organic solvent, the polycarbonate, a catalyst, and ions, the process comprises: separating the aqueous phase and the organic phase to form a separated aqueous feed stream and a separated organic stream; extracting the catalyst and the ions from the separated organic stream to form a purified polycarbonate stream and an extracted aqueous feed stream, wherein at least one of the separated aqueous feed stream and the extracted aqueous feed stream comprise an organic portion and an aqueous portion; purifying an aqueous stream comprising one or both of the separated aqueous feed stream and the extracted aqueous feed stream by adjusting a viscosity of the organic portion to be less than or equal to 40 centipoise by adding a second organic solvent to the aqueous stream to form a combined stream; optionally, adjusting a ratio of the aqueous portion to the organic portion to 1.0 to 20.0 by adding an aqueous solution to the aqueous stream; and separating the combined stream to form a purified aqueous stream, wherein less than or equal to 3 vol % of the purified aqueous stream is the organic portion.
摘要翻译： 在一个实施方案中，从包含水相和包含第一有机溶剂，聚碳酸酯，催化剂和离子的有机相的界面聚合产物混合物中纯化聚碳酸酯的方法包括：将水相和有机物 形成分离的含水进料流和分离的有机物流; 从分离的有机物流中提取催化剂和离子以形成纯化的聚碳酸酯流和提取的含水进料流，其中至少一个分离的含水进料流和萃取的含水进料流包含有机部分和水部分; 通过向所述含水流中加入第二有机溶剂来净化含有一种或两种所述分离的含水进料流和所述萃取的含水进料流的水流，通过将所述有机部分的粘度调节至小于或等于40厘泊，以形成 组合流 任选地，通过向水流中加入水溶液将水性部分与有机部分的比例调节至1.0至20.0; 并分离合并的流以形成纯化的含水流，其中小于或等于3vol％的纯化水流是有机部分。
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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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公开(公告)号：US20160207779A1
公开(公告)日：2016-07-21
申请号：US14907383
申请日：2014-07-25
CPC分类号： C01B32/80 , B01J8/067 , B01J2208/00212 , B01J2208/00513 , B01J2208/0084 , B01J2208/025 , B01J2208/065
摘要： In an embodiment, a method of producing phosgene in a tube reactor comprises introducing a feed comprising carbon monoxide and chlorine to a tube of the reactor, the tube having a particulate catalyst disposed therein, wherein a thermally conductive material separate from the tube contacts at least a portion of the particulate catalyst; to produce a product composition comprising phosgene, and carbon tetrachloride in an amount of 0 to 10 ppm by volume based on the volume of the phosgene.
摘要翻译： 在一个实施方案中，在管式反应器中生产光气的方法包括将包含一氧化碳和氯的进料引入反应器的管中，该管具有设置在其中的颗粒催化剂，其中至少与管接触分离的导热材料 一部分颗粒催化剂; 以相对于光气的体积产生0〜10ppm（体积）的光气和四氯化碳的产品组合物。
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公开(公告)号：US20180194053A1
公开(公告)日：2018-07-12
申请号：US15867849
申请日：2018-01-11
IPC分类号： B29C47/00 , B29C47/78 , B29C47/88 , B29C45/00 , B29C33/62 , C08L69/00 , C08K5/00 , C08K5/3475 , C08K5/357
CPC分类号： B29C48/05 , B29B7/007 , B29B7/46 , B29B7/88 , B29B9/06 , B29B9/16 , B29C33/62 , B29C45/0001 , B29C48/0013 , B29C48/0022 , B29C48/793 , B29C48/911 , B29C2948/92209 , B29C2948/92247 , B29K2069/00 , B29L2011/0016 , C08J3/12 , C08J2369/00 , C08K5/0041 , C08K5/3475 , C08K5/357 , C08L69/00 , C08L2201/10 , G02B1/04 , G02B1/041
摘要： Methods for producing transparent polycarbonate articles include melting a composition at a temperature of 300 to 390° C., extruding the melted composition to form a strand, cooling the strand of extruded composition, cutting the cooled strand into pellets, drying the pellets at a temperature of 50 to 140° C. and injecting molding or extruding the pellets at a temperature of 300 to 380° C. to form an article. The composition can comprise a moisture content of 0.1 to 5 wt. % and a crystalline additive having a melting point of at least 280° C., a heat of fusion greater than or equal to 1.0 Joule/gram (J/g). The composition can be cooled to at least 20° C. below the glass transition temperature of the polycarbonate.
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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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