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公开(公告)号:US07915454B2
公开(公告)日:2011-03-29
申请号:US12529107
申请日:2008-02-28
申请人: Alfred Oftring , Kirsten Dahmen , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
发明人: Alfred Oftring , Kirsten Dahmen , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/10
摘要: The invention relates to a process for preparing ethylenediamine by hydrogenation of aminoacetonitrile over a catalyst, wherein the hydrogenation is carried out in a solution comprising aminoacetonitrile, water in a proportion of from 0 to 60% by weight and a solvent and the aminoacetonitrile comprised in the solution is fed into the reaction vessel at a rate which is not greater than the rate at which the aminoacetonitrile reacts with hydrogen in the hydrogenation.
摘要翻译: 本发明涉及一种通过氨基乙腈在催化剂上氢化制备乙二胺的方法,其中氢化是在包含氨基乙腈的溶液中,以0至60重量%的比例的水和溶剂和包含在其中的氨基乙腈 溶液以不大于氨基乙腈在氢化中与氢反应的速率进料到反应容器中。
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公开(公告)号:US20100099872A1
公开(公告)日:2010-04-22
申请号:US12529087
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07D241/04 , C07C209/00
CPC分类号: C07C209/48 , C07C211/10 , C07C211/13 , C07C211/14 , C07C253/30 , C07C255/25
摘要: The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least two α-amino nitriles in an amount of at least 5% by weight in each case in the presence of a catalyst and, if appropriate, a solvent.
摘要翻译: 本发明涉及一种制备乙烯胺混合物的方法,该方法包括在催化剂存在下,将包含至少两种α-氨基腈的氨基腈混合物氢化为至少5重量%,如果 适当的溶剂。
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公开(公告)号:US20100029976A1
公开(公告)日:2010-02-04
申请号:US12529047
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/44 , C07C255/25 , C07C253/00
CPC分类号: C07C209/48 , C07C255/25 , C07C211/14
摘要: The invention relates to a process for preparing tetraethylenepentamine (TEPA) by hydrogenation of diethylenetriaminediacetonitrile (DETDN) over a catalyst. If appropriate, DETDN can also be present as a constituent of an amino nitrile mixture which additionally comprises diethylenetriaminemonoacetonitrile (DETMN).
摘要翻译: 本发明涉及通过在催化剂上氢化二亚乙基三胺二乙酸(DETDN)制备四亚乙基五胺(TEPA)的方法。 如果合适,DETDN也可以作为另外包含二亚乙基三氨基乙腈(DETMN)的氨基腈混合物的组分存在。
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公开(公告)号:US20080214871A1
公开(公告)日:2008-09-04
申请号:US11814390
申请日:2006-01-19
申请人: Martin Ernst , Thilo Hahn , Kirsten Wenz , Randolf Hugo , Johann-Peter Melder
发明人: Martin Ernst , Thilo Hahn , Kirsten Wenz , Randolf Hugo , Johann-Peter Melder
IPC分类号: C07C211/27
CPC分类号: C07C209/48 , C07C211/27
摘要: A process for preparing a xylylenediamine by heterogeneously catalyzed hydrogenation of a phthalonitrile, wherein the hydrogenation is carried out in the presence of a cobalt skeletal catalyst, of an alkali metal hydroxide and of an alcohol and/or ether as the solvent, at an absolute pressure in the range from 1 to 100 bar and a temperature in the range from 40 to 150° C.
摘要翻译: 通过邻苯二甲腈的非均相催化氢化制备苯二甲胺的方法,其中氢化是在钴骨架催化剂存在下,碱金属氢氧化物和醇和/或醚作为溶剂在绝对压力下进行的 在1至100巴的范围内,温度在40至150℃的范围内。
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公开(公告)号:US20080154061A1
公开(公告)日:2008-06-26
申请号:US11816878
申请日:2006-02-23
申请人: Martin Ernst , Kirsten Wenz , Randolf Hugo , Johann-Peter Melder , Thilo Hahn
发明人: Martin Ernst , Kirsten Wenz , Randolf Hugo , Johann-Peter Melder , Thilo Hahn
IPC分类号: C07C211/07
CPC分类号: C07C209/48 , C07C211/27
摘要: A process for preparing a xylylenediamine by heterogeneously catalyzed hydrogenation of a phthalonitrile, wherein the hydrogenation is carried out in the presence of a nickel catalyst, of water, of an alkali metal hydroxide and of an ether as a solvent, at an absolute pressure in the range from 1 to 100 bar, at a temperature in the range from 40 to 150° C. and without addition of ammonia.
摘要翻译: 通过邻苯二甲腈的非均相催化氢化制备苯二甲胺的方法,其中氢化在镍催化剂存在下,水,碱金属氢氧化物和作为溶剂的醚作为溶剂在绝对压力下进行 范围为1至100巴,温度范围为40至150℃,不加氨。
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公开(公告)号:US08299249B2
公开(公告)日:2012-10-30
申请号:US12529072
申请日:2008-02-28
申请人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07D241/04 , C07D295/00
CPC分类号: C07D295/13
摘要: The invention relates to a process for preparing triethylenetetramine (TETA), which, comprises the following steps: a) reaction of ethylenediamine (EDA) with formaldehyde and hydrocyanic acid (HCN) in a molar ratio of EDA to formaldehyde to HCN of from 1:1.5:1.5 to 1:2:2 to give ethylenediaminediacetonitrile (EDDN), b) hydrogenation of the EDDN obtained in step a) in the presence of a catalyst and a solvent.
摘要翻译: 本发明涉及一种制备三亚乙基四胺(TETA)的方法,其包括以下步骤:a)乙二胺(EDA)与甲醛和氢氰酸(HCN)的摩尔比与EDA与甲醛的摩尔比为1: 1.5:1.5:1:2:2,得到乙二胺二乙腈(EDDN),b)在催化剂和溶剂的存在下,在步骤a)中获得的EDDN氢化。
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公开(公告)号:US07880036B2
公开(公告)日:2011-02-01
申请号:US12529087
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/10 , C07C211/13 , C07C211/14 , C07C253/30 , C07C255/25
摘要: The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least two α-amino nitriles in an amount of at least 5% by weight in each case in the presence of a catalyst and, if appropriate, a solvent.
摘要翻译: 本发明涉及一种制备乙烯胺混合物的方法,该方法包括在催化剂存在下,将包含至少两种α-氨基腈的氨基腈混合物氢化为至少5重量%,如果 适当的溶剂。
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公开(公告)号:US07880035B2
公开(公告)日:2011-02-01
申请号:US12529079
申请日:2008-02-28
申请人: Alfred Oftring , Kirsten Dahmen , Thilo Hahn , Randolf Hugo , Katrin Baumann , Johann-Peter Melder
发明人: Alfred Oftring , Kirsten Dahmen , Thilo Hahn , Randolf Hugo , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C253/30 , C07C211/10 , C07C211/14 , C07C255/25
摘要: The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least 30% by weight of aminoacetonitrile (AAN) and at least 5% by weight of iminodiacetonitrile (IDAN) in the presence of a catalyst. Ethylenediamine (EDA) and/or diethylenetriamine (DETA) and, if appropriate, further ethylene amines can be isolated from the ethylene amine mixtures obtained.
摘要翻译: 本发明涉及一种制备乙烯胺混合物的方法,该方法包括在催化剂存在下氢化包含至少30重量%氨基乙腈(AAN)和至少5重量%亚氨基二乙腈(IDAN)的氨基腈混合物 。 乙二胺(EDA)和/或二亚乙基三胺(DETA)和(如果合适的话)其它亚乙基胺可以从获得的乙烯胺混合物中分离出来。
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公开(公告)号:US20100094057A1
公开(公告)日:2010-04-15
申请号:US12529107
申请日:2008-02-28
申请人: Alfred Oftring , Kirsten Dahmen , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
发明人: Alfred Oftring , Kirsten Dahmen , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/10
摘要: The invention relates to a process for preparing ethylenediamine by hydrogenation of aminoacetonitrile over a catalyst, wherein the hydrogenation is carried out in a solution comprising aminoacetonitrile, water in a proportion of from 0 to 60% by weight and a solvent and the aminoacetonitrile comprised in the solution is fed into the reaction vessel at a rate which is not greater than the rate at which the aminoacetonitrile reacts with hydrogen in the hydrogenation.
摘要翻译: 本发明涉及一种通过氨基乙腈在催化剂上氢化制备乙二胺的方法,其中氢化是在包含氨基乙腈的溶液中,以0至60重量%的比例的水和溶剂和包含在其中的氨基乙腈 溶液以不大于氨基乙腈在氢化中与氢反应的速率进料到反应容器中。
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公开(公告)号:US20100056828A1
公开(公告)日:2010-03-04
申请号:US12529079
申请日:2008-02-28
申请人: Alfred Oftring , Kirsten Dahmen , Thilo Hahn , Randolf Hugo , Katrin Baumann , Johann-Peter Melder
发明人: Alfred Oftring , Kirsten Dahmen , Thilo Hahn , Randolf Hugo , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/00
CPC分类号: C07C209/48 , C07C253/30 , C07C211/10 , C07C211/14 , C07C255/25
摘要: The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least 30% by weight of aminoacetonitrile (AAN) and at least 5% by weight of iminodiacetonitrile (IDAN) in the presence of a catalyst. Ethylenediamine (EDA) and/or diethylenetriamine (DETA) and, if appropriate, further ethylene amines can be isolated from the ethylene amine mixtures obtained.
摘要翻译: 本发明涉及一种制备乙烯胺混合物的方法,该方法包括在催化剂存在下氢化包含至少30重量%氨基乙腈(AAN)和至少5重量%亚氨基二乙腈(IDAN)的氨基腈混合物 。 乙二胺(EDA)和/或二亚乙基三胺(DETA)和(如果合适的话)其它亚乙基胺可以从获得的乙烯胺混合物中分离出来。
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