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公开(公告)号:US07538254B2
公开(公告)日:2009-05-26
申请号:US12065311
申请日:2006-08-23
CPC分类号: C07C29/76 , C07C29/17 , C07C29/172 , C07C33/046 , C07C33/035 , C07C31/207
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
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2.
公开(公告)号:US07605292B2
公开(公告)日:2009-10-20
申请号:US12351253
申请日:2009-01-09
IPC分类号: C07C29/17
CPC分类号: C07C29/76 , C07C29/17 , C07C29/172 , C07C33/046 , C07C33/035 , C07C31/207
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
摘要翻译: 本发明涉及一种纯化1,4-丁炔二醇的方法,其包括将1,4-丁炔二醇压缩至50至1500巴,对其进行减压,等待在减压和分离底相后发生相分离,以及 使用纯化的1,4-丁炔二醇将1,4-丁炔二醇氢化成1,4-丁烯二醇和1,4-丁二醇的方法。
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3.
公开(公告)号:US07524996B2
公开(公告)日:2009-04-28
申请号:US12065815
申请日:2006-08-23
CPC分类号: C07C29/172 , C07C29/17 , C07C29/76 , C07C33/035 , C07C31/207 , C07C33/046
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor and stator of the mixing apparatus of more than 100 000 sec−1, awaiting phase separation at temperatures of from 25 to 150° C. and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
摘要翻译: 本发明涉及纯化1,4-丁炔二醇的方法,该方法包括在惰性气体气氛中在25至150℃下以动态混合装置处理1,4-丁炔二醇,其剪切速率为 混合装置的转子和定子超过100 000秒-1,等待25至150℃的相分离和分离底相,以及将1,4-丁炔二醇氢化成1 ,4-丁烯二醇和1,4-丁二醇,使用纯化的1,4-丁炔二醇。
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4.
公开(公告)号:US07572941B2
公开(公告)日:2009-08-11
申请号:US12360278
申请日:2009-01-27
IPC分类号: C07C29/17
CPC分类号: C07C29/172 , C07C29/17 , C07C29/76 , C07C33/035 , C07C31/207 , C07C33/046
摘要: The present invention relates to processes for making 1,4-butanediol, 1,4-butenediol, or a mixture thereof by processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor and stator of the mixing apparatus of more than 100 000 sec−1; phase separating the processed 1,4-butynediol at a temperature of from 25 to 150° C.; removing a bottom phase to obtain purified 1,4-butynediol; and reacting the purified 1,4-butynediol with hydrogen in the presence of a catalyst.
摘要翻译: 本发明涉及通过在惰性气体气氛中在25至150℃下在动态混合装置中处理1,4-丁炔二醇来制备1,4-丁二醇,1,4-丁烯二醇或其混合物的方法。 混合装置的转子和定子之间的径向间隙的剪切速率大于100 000sec -1; 在25至150℃的温度下分离加工的1,4-丁炔二醇。 除去底相以获得纯化的1,4-丁炔二醇; 并在催化剂存在下使纯化的1,4-丁炔二醇与氢反应。
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5.
公开(公告)号:US20080221371A1
公开(公告)日:2008-09-11
申请号:US12065311
申请日:2006-08-23
CPC分类号: C07C29/76 , C07C29/17 , C07C29/172 , C07C33/046 , C07C33/035 , C07C31/207
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
摘要翻译: 本发明涉及一种纯化1,4-丁炔二醇的方法,其包括将1,4-丁炔二醇压缩至50至1500巴,对其进行减压,等待在减压和分离底相后发生相分离,以及 使用纯化的1,4-丁炔二醇将1,4-丁炔二醇氢化成1,4-丁烯二醇和1,4-丁二醇的方法。
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6.
公开(公告)号:US20090187050A1
公开(公告)日:2009-07-23
申请号:US12351253
申请日:2009-01-09
IPC分类号: C07C29/88
CPC分类号: C07C29/76 , C07C29/17 , C07C29/172 , C07C33/046 , C07C33/035 , C07C31/207
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
摘要翻译: 本发明涉及一种纯化1,4-丁炔二醇的方法,其包括将1,4-丁炔二醇压缩至50至1500巴,对其进行减压,等待在减压和分离底相后发生相分离,以及 使用纯化的1,4-丁炔二醇将1,4-丁炔二醇氢化成1,4-丁烯二醇和1,4-丁二醇的方法。
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7.
公开(公告)号:US20090137849A1
公开(公告)日:2009-05-28
申请号:US12360278
申请日:2009-01-27
IPC分类号: C07C29/17
CPC分类号: C07C29/172 , C07C29/17 , C07C29/76 , C07C33/035 , C07C31/207 , C07C33/046
摘要: The present invention relates to processes for making 1,4-butanediol, 1,4-butenediol, or a mixture thereof by processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor and stator of the mixing apparatus of more than 100 000 sec−1; phase separating the processed 1,4-butynediol at a temperature of from 25 to 150° C.; removing a bottom phase to obtain purified 1,4-butynediol; and reacting the purified 1,4-butynediol with hydrogen in the presence of a catalyst.
摘要翻译: 本发明涉及通过在惰性气体气氛中在25至150℃下在动态混合装置中处理1,4-丁炔二醇来制备1,4-丁二醇,1,4-丁烯二醇或其混合物的方法。 混合装置的转子和定子之间的径向间隙的剪切速率大于100 000sec -1; 在25至150℃的温度下分离加工的1,4-丁炔二醇。 除去底相以获得纯化的1,4-丁炔二醇; 并在催化剂存在下使纯化的1,4-丁炔二醇与氢反应。
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8.
公开(公告)号:US20080242897A1
公开(公告)日:2008-10-02
申请号:US12065815
申请日:2006-08-23
IPC分类号: C07C29/74
CPC分类号: C07C29/172 , C07C29/17 , C07C29/76 , C07C33/035 , C07C31/207 , C07C33/046
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor and stator of the mixing apparatus of more than 100 000 sec−1, awaiting phase separation at temperatures of from 25 to 150° C. and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
摘要翻译: 本发明涉及纯化1,4-丁炔二醇的方法,该方法包括在惰性气体气氛中在25至150℃下以动态混合装置处理1,4-丁炔二醇,其剪切速率为 混合装置的转子和定子超过100 000秒-1,等待在25至150℃的温度下进行相分离并分离出底相,以及氢化方法 使用纯化的1,4-丁炔二醇将1,4-丁炔二醇加入到1,4-丁烯二醇和1,4-丁二醇中。
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公开(公告)号:US06673920B2
公开(公告)日:2004-01-06
申请号:US10168211
申请日:2002-06-19
申请人: Thomas Preiss , Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz
发明人: Thomas Preiss , Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz
IPC分类号: C07D22310
CPC分类号: C07D207/267 , C07C231/08 , C07D211/76 , C07D223/10
摘要: A process for preparing N-alkenyl-amides by reacting the corresponding NH-amides with acetylenes in the liquid phase in the presence of basic alkali metal compounds and of a cocatalyst comprises using as the cocatalyst diols of the general formula (I) where X is branched or unbranched alkylene selected from the group consisting of where R1 to R6 are independently hydrogen or C1- to C4-alkyl; or branched or unbranched cyclic alkylene of 3 to 14 carbon atoms including 3 to 12 ring carbon atoms, their monoalkenyl ethers, their dialkenyl ethers or mixtures thereof.
摘要翻译: 在碱性碱金属化合物和助催化剂存在下,通过使液相中相应的NH-酰胺与乙炔反应来制备N-烯基酰胺的方法包括使用通式(I)的助催化剂二醇,其中X支化 或非支链的亚烷基,其中R 1至R 6独立地为氢或C 1至C 4 - 烷基;包含3至12个环碳原子的3至14个碳原子的支链或非支链环状亚烷基,它们的单链烯基醚,它们的二链烯基醚或 其混合物。
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公开(公告)号:US06596862B2
公开(公告)日:2003-07-22
申请号:US10152637
申请日:2002-05-23
申请人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Heike Becker
发明人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Heike Becker
IPC分类号: C07D22310
CPC分类号: C07D223/10 , C07D201/16
摘要: A process for purifying N-vinyl-&egr;-caprolactam comprises converting the N-vinyl-&egr;-caprolactam which is to be purified and has a purity of at least 95% by weight into a melt, partially crystallizing the melt and separating the crystals from the mother liquor.
摘要翻译: 一种纯化N-乙烯基-ε-己内酰胺的方法包括将要纯化的纯度为至少95重量%的N-乙烯基-ε-己内酰胺转化成熔体,使熔体部分结晶并将晶体从 母酒。
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