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1. 发明申请

WO2008090106A1 PROCESS FOR THE PREPARATION OF DIARYL CARBONATE 审中-公开
标题翻译：制备二氧化碳的方法
公开(公告)号：WO2008090106A1
公开(公告)日：2008-07-31
申请号：PCT/EP2008/050604
申请日：2008-01-21
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , VAN DER HEIDE, Evert , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria
发明人： VAN DER HEIDE, Evert , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria
IPC分类号： C07C68/06 , C07C69/96
CPC分类号： C07C68/06 , Y02P20/127 , C07C69/96
摘要： The invention relates to a process for the preparation of a diaryl carbonate by transesterification of an aromatic alcohol with a dialkyl carbonate in the presence of a transesterification catalyst during a period of time [t a ], in which the aryl moiety is selected from unsubstituted phenyl and mono-, di- and trisubstituted phenyl groups, in which the alkyl moiety is selected from C 2 to C 4 linear and branched alkyl groups, in which the catalyst concentration is designated [c a ], expressed as gram catalyst per gram of aromatic alcohol and dialkyl carbonate, in which the period of time [t m ] and catalyst concentration [c m ] are determined to arrive at a pre-set approach to the equilibrium for the transesterification of the aromatic alcohol with dimethyl carbonate to methyl aryl carbonate and methanol, in which the product [c a ]*t a is at least 1.5* [c m ]*t m , under otherwise the same reaction conditions.
摘要翻译：本发明涉及一种通过在酯交换催化剂存在下在一段时间内酯交换芳族醇与碳酸二烷基酯来制备碳酸二芳基酯的方法，其中芳基部分选自未取代的苯基和单取代，二取代和三取代的苯基，其中烷基部分选自C 2〜C 4直链和支链烷基，其中催化剂浓度指定为[克/ a]，其表示为克催化剂/克芳族醇和碳酸二烷基酯，其中时间[t] 并确定催化剂浓度[℃]以得到芳族醇与碳酸二甲酯与碳酸甲基芳基酯和甲醇的酯交换的平衡的预设方法，其中产物[c 在其它方面相同的情况下，至少1.5 * [c m REA 条件条件。

2. 发明申请

WO2008090109A1 PROCESS FOR THE PREPARATION OF AN ALKANEDIOL AND A DIALKYL CARBONATE 审中-公开
标题翻译：制备阿尔卡尼醇和碳酸二乙酯的方法
公开(公告)号：WO2008090109A1
公开(公告)日：2008-07-31
申请号：PCT/EP2008/050608
申请日：2008-01-21
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria , WOOD, Paul
发明人： NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria , WOOD, Paul
IPC分类号： C07C68/06 , C07C69/96 , C07C29/12 , C07C31/20
CPC分类号： C07C68/065 , C07C69/96
摘要： An alkanediol and a dialkyl carbonate are prepared in a process comprising: (a) reacting an alkylene carbonate and an alkanol feedstock into a first reaction zone under transesterification conditions to obtain a product mixture of dialkyl carbonate, unconverted alkanol, the alkanediol, unconverted alkylene carbonate and dimers of the alkanediol; (b) separating dialkyl carbonate and alkanol from the product mixture to obtain a bottom product stream containing alkanediol, unconverted alkylene carbonate and dimers of the alkanediol; (c) recovering the dialkyl carbonate; and (d) separating alkanediol from the bottom product stream to leave a recycle stream comprising unconverted alkylene carbonate and dimers of the alkanediol, which process further comprises (e) passing at least part of the recycle stream to a second reaction zone in which the dimers of the alkanediol are converted to higher-boiling oligomers of alkanediol, yielding an oligomers-containing effluent; (f) separating the higher-boiling oligomers from the oligomers-containing effluent yielding an alkylene carbonate-containing remaining stream; and (g) recycling the alkylene carbonate-containing remaining stream to the first reaction zone.
摘要翻译：制备烷基二醇和碳酸二烷基酯的方法包括：（a）在酯交换条件下使碳酸亚烷基酯和链烷醇原料反应到第一反应区中，得到碳酸二烷基酯，未转化的链烷醇，链烷二醇，未转化的碳酸亚烃酯和链烷二醇的二聚体; （b）从产物混合物中分离出碳酸二烷基酯和链烷醇以获得含有链烷二醇，未转化的碳酸亚烷基酯和链烷二醇的二聚体的底部产物流; （c）回收碳酸二烷基酯; 和（d）从底部产物流分离链烷二醇以留下包含未转化的碳酸亚烷基酯和链烷二醇的二聚体的再循环流，该方法还包括（e）将至少部分循环流送至第二反应区，其中二聚体的链烷二醇转化成链烷二醇的高沸点低聚物，产生含低聚物的流出物; （f）从含低聚物的流出物中分离高沸点低聚物，得到含有亚烷基碳酸酯的剩余物流; 和（g）将含有碳酸亚烃酯的剩余物流再循环到第一反应区。

3. 发明申请

WO2008090107A1 PROCESS FOR THE PREPARATION OF DIARYL CARBONATE 审中-公开
标题翻译：制备二氧化碳的方法
公开(公告)号：WO2008090107A1
公开(公告)日：2008-07-31
申请号：PCT/EP2008/050605
申请日：2008-01-21
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria , WOOD, Paul
发明人： NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria , WOOD, Paul
IPC分类号： C07C68/06 , C07C69/96 , C07C29/128
CPC分类号： C07C68/065 , C07C68/06 , C07C69/96
摘要： Diaryl carbonate is prepared by reaction of an aromatic alcohol with a dialkyl carbonate, which dialkyl carbonate has been prepared by the reaction of an alkanol and an alkylene carbonate, which process comprises the following steps : (a) passing an aromatic alcohol and a dialkyl carbonate into a first transesterification zone to obtain a first product stream containing diaryl carbonate, alkanol, unconverted dialkyl carbonate and unconverted aromatic alcohol; (b) separating the first product stream into a diaryl carbonate-rich product stream, an aromatic alcohol-rich recycle stream and a second recycle stream comprising alkanol, dialkyl carbonate and aromatic alcohol; (c) feeding alkanol and alkylene carbonate into a second transesterification zone to obtain a second product stream comprising alkanediol and unconverted alkanol and dialkyl carbonate; (d) separating alkanediol from the second product stream to yield an alkanediol product stream and a mixture of dialkyl carbonate and unconverted alkanol; (e) subjecting the mixture of dialkyl carbonate and unconverted alkanol and the second recycle stream comprising alkanol, dialkyl carbonate and aromatic alcohol to the same distillation to obtain an alkanol stream as the lower-boiling fraction and a contaminated stream comprising dialkyl carbonate and aromatic alcohol as the higher-boiling fraction; (f ) recycling the alkanol stream of step e) to the second transesterification zone; and (g) passing the contaminated stream comprising dialkyl carbonate and aromatic alcohol, and the aromatic alcoholrich recycle stream to the first transesterification zone.
摘要翻译：通过芳族醇与碳酸二烷基酯反应制备碳酸二芳基酯，碳酸二烷基酯是通过链烷醇和碳酸亚烷基酯的反应制备的，该方法包括以下步骤：（a）使芳族醇和碳酸二烷基酯进入第一酯交换区以获得含有碳酸二芳基酯，链烷醇，未转化的碳酸二烷基酯和未转化的芳族醇的第一产物流; （b）将第一产物流分离成富碳酸二芳基酯产物流，富含芳香醇的循环物流和包含链烷醇，碳酸二烷基酯和芳族醇的第二循环料流; （c）将链烷醇和碳酸亚烃进料到第二酯交换区中以获得包含链烷二醇和未转化的链烷醇和碳酸二烷基酯的第二产物流; （d）从第二产物流分离链烷二醇以产生链烷二醇产物流和碳酸二烷酯与未转化的链烷醇的混合物; （e）使碳酸二烷基酯和未转化的链烷醇的混合物和包含链烷醇，碳酸二烷基酯和芳族醇的第二再循环料流进行相同的蒸馏以获得作为低沸点馏分的链烷醇流和包含碳酸二烷基酯和芳族醇的污染物流作为高沸点馏分; （f）将步骤e）的链烷醇流循环到第二酯交换区; 和（g）将包含碳酸二烷基酯和芳族醇的污染物流和芳族醇富集循环物流送至第一酯交换区。

4. 发明申请

WO2008090108A1 PROCESS FOR THE PREPARATION OF AN ALKANEDIOL AND A DIALKYL CARBONATE 审中-公开
标题翻译：制备阿尔卡尼醇和碳酸二乙酯的方法
公开(公告)号：WO2008090108A1
公开(公告)日：2008-07-31
申请号：PCT/EP2008/050607
申请日：2008-01-21
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria , WOOD, Paul
发明人： NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria , WOOD, Paul
IPC分类号： C07C68/06 , C07C69/96 , C07C29/12 , C07C31/20
CPC分类号： C07C68/065 , Y02P20/127 , C07C69/96
摘要： An alkanediol and a dialkyl carbonate are prepared in a process comprising: (a) reacting an alkylene carbonate and an alkanol feedstock into a reaction zone under transesterification conditions to obtain a product mixture of dialkyl carbonate, unconverted alkanol, the alkanediol, and unconverted alkylene carbonate; (b) separating dialkyl carbonate and unconverted alkanol from the product mixture to obtain a bottom product stream containing alkanediol and unconverted alkylene carbonate; (c) recovering the dialkyl carbonate; and (d) separating alkanediol from the bottom product stream to leave a recycle stream comprising unconverted alkylene carbonate, wherein the recycle stream comprising unconverted alkylene carbonate is split in at least two portions, and at least one portion is recycled to the reaction zone and another portion is subjected to hydrolysis to yield alkanediol and carbon dioxide.
摘要翻译：制备烷基二醇和碳酸二烷基酯的方法包括：（a）在酯交换条件下使碳酸亚烷基酯和链烷醇原料反应进入反应区，得到碳酸二烷基酯，未转化的链烷醇，链烷二醇和未转化的碳酸亚烃酯的产物混合物 ; （b）从产物混合物中分离出碳酸二烷基酯和未转化的链烷醇，得到含有链烷二醇和未转化的碳酸亚烃酯的底部产物流; （c）回收碳酸二烷基酯; 和（d）从底部产物流分离链烷二醇以留下包含未转化的碳酸亚烃酯的再循环料流，其中包含未转化的碳酸亚烃酯的再循环料流至少分成两部分，并且至少一部分再循环至反应区，另一部分再循环至反应区部分进行水解，得到链烷二醇和二氧化碳。

5. 发明申请

WO2011058168A1 PROCESS FOR PREPARING ALKANEDIOL AND DIALKYL CARBONATE 审中-公开
标题翻译：制备阿尔卡尼和碳酸二乙酯的方法
公开(公告)号：WO2011058168A1
公开(公告)日：2011-05-19
申请号：PCT/EP2010/067464
申请日：2010-11-15
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , ALLAIS, Cyrille Paul , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria
发明人： ALLAIS, Cyrille Paul , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria
IPC分类号： C07C68/06 , C07C69/96
CPC分类号： C07C68/065 , C07C69/96
摘要： The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: (a) reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture comprising dialkyl carbonate, unconverted alkanol, alkanediol, unconverted alkylene carbonate and an alkoxy alkanol impurity; (b) subjecting the reaction mixture to distillation in a first distillation column to obtain a top stream comprising dialkyl carbonate, alkanol and alkoxy alkanol impurity and a bottom stream comprising alkanediol and alkylene carbonate; (c) subjecting the bottom stream from the first distillation column to distillation in a second distillation column to obtain a top stream comprising alkanediol and a bottom stream comprising alkylene carbonate; (d) subjecting the top stream from the first distillation column to distillation in a third distillation column in the presence of a catalyst to effect reaction of the alkoxy alkanol impurity with the dialkyl carbonate into a carbonate ether impurity, to obtain a top stream comprising alkanol and a bottom stream comprising dialkyl carbonate and carbonate ether impurity; and (e) subjecting the bottom stream from the third distillation column to distillation in a fourth distillation column to obtain a top stream comprising dialkyl carbonate and a bottom stream comprising dialkyl carbonate and carbonate ether impurity; and (f) recycling the bottom stream from the fourth distillation column to the first distillation column.
摘要翻译：本发明涉及一种制备链烷二醇和碳酸二烷基酯的方法，包括：（a）在酯交换催化剂存在下使碳酸亚烷基酯和链烷醇反应，得到包含碳酸二烷基酯，未转化的链烷醇，链烷二醇，未转化的反应混合物碳酸亚烷基酯和烷氧基烷醇杂质; （b）使反应混合物在第一蒸馏塔中进行蒸馏以获得包含碳酸二烷基酯，链烷醇和烷氧基链烷醇杂质的顶部料流和包含链烷二醇和碳酸亚烷基酯的底部料流; （c）使来自第一蒸馏塔的塔底物流在第二蒸馏塔中进行蒸馏以获得包含链烷二醇的顶流和包含碳酸亚烷基酯的塔底料流; （d）在催化剂存在下，使来自第一蒸馏塔的顶部物流在第三蒸馏塔中进行蒸馏以使烷氧基链烷醇杂质与碳酸二烷基酯杂质反应，得到包含链烷醇和包含碳酸二烷基酯和碳酸酯醚杂质的底部料流; 和（e）使来自第三蒸馏塔的塔底料流在第四蒸馏塔中进行蒸馏以获得包含碳酸二烷基酯和包含碳酸二烷基酯和碳酸酯醚杂质的底部料流的顶部料流; 和（f）将底部物流从第四蒸馏塔再循环到第一蒸馏塔。

6. 发明申请

WO2011039113A1 PROCESS FOR PREPARING ALKANEDIOL AND DIALKYL CARBONATE 审中-公开
标题翻译：制备阿尔卡尼和碳酸二乙酯的方法
公开(公告)号：WO2011039113A1
公开(公告)日：2011-04-07
申请号：PCT/EP2010/064153
申请日：2010-09-24
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , NISBET, Timothy Michael , VROUWENVELDER, Cornelis Leonardo Maria
发明人： NISBET, Timothy Michael , VROUWENVELDER, Cornelis Leonardo Maria
IPC分类号： C07C68/06 , C07C69/96
CPC分类号： C07C68/065 , C07C68/08 , C07C69/96
摘要： The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: (a) reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture comprising dialkyl carbonate, unconverted alkanol, alkanediol and unconverted alkylene carbonate; (b) subjecting the reaction mixture to distillation in a first distillation column to obtain a top stream comprising dialkyl carbonate and alkanol and a bottom stream comprising dialkyl carbonate, alkanol, alkanediol and alkylene carbonate; (c) subjecting the bottom stream from the first distillation column to distillation in a second distillation column to obtain a top stream comprising dialkyl carbonate and alkanol and a bottom stream comprising alkanediol and alkylene carbonate; (d) recovering alkanediol from the bottom stream from the second distillation column; and (e) subjecting the top streams from the first and second distillation columns to distillation in a third distillation column to obtain a top stream comprising alkanol and a bottom stream comprising dialkyl carbonate.
摘要翻译：本发明涉及一种制备链烷二醇和碳酸二烷基酯的方法，包括：（a）在酯交换催化剂存在下使碳酸亚烷基酯和链烷醇反应，得到包含碳酸二烷基酯，未转化的链烷醇，链烷二醇和未转化的反应混合物碳酸亚烷基酯; （b）使反应混合物在第一蒸馏塔中进行蒸馏以获得包含碳酸二烷基酯和链烷醇的顶部料流和包含碳酸二烷基酯，链烷醇和碳酸亚烷基酯的底部料流; （c）使来自第一蒸馏塔的塔底料流在第二蒸馏塔中进行蒸馏以获得包含碳酸二烷基酯和链烷醇的顶部料流和包含链烷二醇和碳酸亚烷基酯的塔底料流; （d）从第二蒸馏塔的塔底物流中回收链烷二醇; 和（e）使来自第一和第二蒸馏塔的顶部料流在第三蒸馏塔中进行蒸馏以获得包含链烷醇和包含碳酸二烷基酯的底部料流的顶部料流。

7. 发明授权

EP2501670B1 Process for preparing alkanediol and dialkyl carbonate 有权
标题翻译：一种用于链烷二醇和碳酸二烷基酯的制备方法
公开(公告)号：EP2501670B1
公开(公告)日：2014-04-02
申请号：EP10776726.1
申请日：2010-11-15
申请人： Shell Internationale Research Maatschappij B.V.
发明人： ALLAIS, Cyrille Paul , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria
IPC分类号： C07C68/06 , C07C69/96
CPC分类号： C07C68/065 , C07C69/96

8. 发明授权

EP2121564B1 PROCESS FOR THE PREPARATION OF DIARYL CARBONATE 有权
标题翻译：制备二芳基碳酸酯的方法
公开(公告)号：EP2121564B1
公开(公告)日：2013-11-06
申请号：EP08708009.9
申请日：2008-01-21
申请人： Shell Internationale Research Maatschappij B.V.
发明人： NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria , WOOD, Paul
IPC分类号： C07C68/06 , C07C69/96 , C07C29/128
CPC分类号： C07C68/065 , C07C68/06 , C07C69/96

9. 发明公开

EP2125693A1 PROCESS FOR THE PREPARATION OF DIARYL CARBONATE 有权
标题翻译：制备二芳基碳酸酯的方法
公开(公告)号：EP2125693A1
公开(公告)日：2009-12-02
申请号：EP08708008.1
申请日：2008-01-21
申请人： Shell Internationale Research Maatschappij B.V.
发明人： VAN DER HEIDE, Evert , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria
IPC分类号： C07C68/06 , C07C69/96
CPC分类号： C07C68/06 , Y02P20/127 , C07C69/96
摘要： The invention relates to a process for the preparation of a diaryl carbonate by transesterification of an aromatic alcohol with a dialkyl carbonate in the presence of a transesterification catalyst during a period of time [ta], in which the aryl moiety is selected from unsubstituted phenyl and mono-, di- and trisubstituted phenyl groups, in which the alkyl moiety is selected from C2 to C4 linear and branched alkyl groups, in which the catalyst concentration is designated [ca], expressed as gram catalyst per gram of aromatic alcohol and dialkyl carbonate, in which the period of time [tm] and catalyst concentration [cm] are determined to arrive at a pre-set approach to the equilibrium for the transesterification of the aromatic alcohol with dimethyl carbonate to methyl aryl carbonate and methanol, in which the product [ca]*ta is at least 1.5* [cm]*tm, under otherwise the same reaction conditions.
摘要翻译：本发明涉及通过芳族醇与碳酸二烷基酯在酯交换催化剂存在下在酯化反应催化剂存在下进行酯交换反应来制备碳酸二芳基酯的方法[ta]，其中芳基部分选自未取代的苯基和单 - ，二 - 和三取代的苯基，其中烷基部分选自C 2 -C 4直链和支链烷基，其中催化剂浓度表示为[ca]，表示为每克芳族醇和碳酸二烷基酯的克催化剂，其中确定时间段[tm]和催化剂浓度[cm]以达到芳族醇与碳酸二甲酯酯交换至碳酸甲基芳基酯和甲醇的平衡的预设方法，其中产物在相同的反应条件下，[ca] * ta至少为1.5 * [cm] * tm。

10. 发明授权

EP2125693B1 PROCESS FOR THE PREPARATION OF DIARYL CARBONATE 有权
标题翻译：用于生产二芳基
公开(公告)号：EP2125693B1
公开(公告)日：2015-08-19
申请号：EP08708008.1
申请日：2008-01-21
申请人： Shell Internationale Research Maatschappij B.V.
发明人： VAN DER HEIDE, Evert , NISBET, Timothy Michael , VAPORCIYAN, Garo Garbis , VROUWENVELDER, Cornelis Leonardo Maria
IPC分类号： C07C68/06 , C07C69/96
CPC分类号： C07C68/06 , Y02P20/127 , C07C69/96

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