-
公开(公告)号:US20080262266A1
公开(公告)日:2008-10-23
申请号:US12067893
申请日:2006-09-14
IPC分类号: C07C209/48 , C07C211/27
CPC分类号: C07C209/48 , C07C211/27
摘要: Process for preparing o-, m- or p-xylylenediamine by hydrogenation of o-, m- or p-phthalonitrile in the presence of a heterogenous catalyst, which comprises feeding a solution of the phthalonitrile in the corresponding isomer of crude xylylenediamine into the hydrogenation reactor, with the crude xylylenediamine having a purity in the range from 85 to 99.7% by weight and a content of higher boilers in the range from 0.3 to 15% by weight.
摘要翻译: 在异种催化剂存在下通过邻位,间或对邻二甲苯氢化制备邻 - ,间 - 或对 - 苯二甲胺的方法,其中包括将邻苯二甲腈在粗苯二甲胺的相应异构体中的溶液加入氢化 反应器,其中粗苯二胺的纯度为85-99.7重量%,较高锅炉的含量为0.3-15重量%。
-
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。
-
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。
-
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。
-
公开(公告)号:US08153845B2
公开(公告)日:2012-04-10
申请号:US12529096
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: C07C253/30 , C07C209/48 , C07C211/10 , C07C255/26
摘要: The invention relates to a process for preparing an amino nitrile mixture comprising aminoacetonitrile (AAN) and from 5 to 70% by weight of iminodiacetonitrile (IDAN), which comprises heating crude AAN which is largely free of formaldehyde cyanohydrin (FACH-free) at a temperature of from 50 to 150° C.
摘要翻译: 本发明涉及一种制备氨基腈混合物的方法,其包含氨基乙腈(AAN)和5-70重量%的亚氨基二乙腈(IDAN),其包括在大部分不含甲醛氰醇(FACH-)的情况下加热粗AAN, 温度为50〜150℃
-
公开(公告)号:US20100121064A1
公开(公告)日:2010-05-13
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: C07C209/00 , C07D241/04
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。
-
公开(公告)号:US20100029991A1
公开(公告)日:2010-02-04
申请号:US12529034
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Katrin Baumann , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Katrin Baumann , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/14
摘要: The invention relates to a process for preparing triethylenetetramine (TETA), which comprises hydrogenating ethylenediaminediacetonitrile (EDDN) 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,其包括在催化剂和溶剂存在下氢化乙二胺二乙腈(EDDN)。
-
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。
-
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。
-
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。
-
-
-
-
-
-
-
-
-