Method for producing xylylenediamine (xda)
    1.
    发明申请
    Method for producing xylylenediamine (xda) 失效
    苯二甲胺生产方法(xda)

    公开(公告)号:US20070088178A1

    公开(公告)日:2007-04-19

    申请号:US10571615

    申请日:2004-09-04

    IPC分类号: C07C209/48

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile by contacting the vaporous product of this ammoxidation stage directly with a liquid organic solvent (quench), removing products having a boiling point higher than phthalonitrile (high boilers) from the resulting quench solution or suspension and hydrogenating the phthalonitrile, wherein the organic solvent used for the quench is N-methyl-2-pyrrolidone (NMP), after the removal of the high boilers and before the hydrogenation, there is a partial or complete removal of the NMP and/or of products having a boiling point lower than phthalonitrile (low boilers) and the phthalonitrile for the hydrogenation step is dissolved or suspended in an organic solvent or in liquid ammon

    摘要翻译: 一种制备苯二甲胺的方法,包括以下步骤:通过使该氨氧化段的蒸气产物与液体有机溶剂(骤冷)接触,将二甲苯与邻苯二甲腈进行氨氧化,从所得的淬火中除去沸点高于邻苯二甲腈(高锅炉)的产物 溶液或悬浮液并氢化邻苯二甲腈,其中用于骤冷的有机溶剂是N-甲基-2-吡咯烷酮(NMP),在除去高锅炉之后,在氢化之前,部分或完全除去NMP 和/或沸点低于邻苯二甲腈(低锅炉)的产物和用于氢化步骤的邻苯二甲腈溶解或悬浮在有机溶剂或液氨中

    Preparation of xylylenediamine (XDA)
    2.
    发明授权
    Preparation of xylylenediamine (XDA) 失效
    苯二甲胺(XDA)的制备

    公开(公告)号:US07368610B2

    公开(公告)日:2008-05-06

    申请号:US10569985

    申请日:2004-09-04

    IPC分类号: C07C209/48

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile and hydrogenating the phthalonitrile, which comprises contacting the vaporous product of the ammoxidation stage directly with a liquid organic solvent or with molten phthalonitrile (quench),partly or fully removing components having a boiling point lower than phthalonitrile (low boilers) from the resulting quench solution or suspension or phthalonitrile melt and, after the low boiler removal and before the hydrogenation, removing products having a boiling point higher than phthalonitrile (high boilers).

    摘要翻译: 一种制备苯二甲胺的方法,包括以下步骤:将二甲苯与邻苯二甲腈氨化并氢化邻苯二甲腈,其包括将氨氧化阶段的蒸气产物直接与液体有机溶剂或熔融的邻苯二甲腈(骤冷)接触,部分或全部除去具有 沸点低于邻苯二甲腈(低锅炉),从所得的淬火溶液或悬浮液或邻苯二甲腈熔体中,并且在低锅炉去除和氢化之前,除去沸点高于邻苯二甲腈(高锅炉)的产物。

    Preparation of xylylenediamine (XDA)
    3.
    发明授权
    Preparation of xylylenediamine (XDA) 失效
    苯二甲胺(XDA)的制备

    公开(公告)号:US07323598B2

    公开(公告)日:2008-01-29

    申请号:US10571615

    申请日:2004-09-04

    IPC分类号: C07C209/00

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps ofammoxidizing xylene to phthalonitrile by contacting the vaporous product of this ammoxidation stage directly with a liquid organic solvent (quench),removing products having a boiling point higher than phthalonitrile (high boilers) from the resulting quench solution or suspension andhydrogenating the phthalonitrile,wherein the organic solvent used for the quench is N-methyl-2-pyrrolidone (NMP), after the removal of the high boilers and before the hydrogenation, there is a partial or complete removal of the NMP and/or of products having a boiling point lower than phthalonitrile (low boilers) andthe phthalonitrile for the hydrogenation step is dissolved or suspended in an organic solvent or in liquid ammon.

    摘要翻译: 一种制备苯二甲胺的方法,包括以下步骤:通过使该氨氧化段的蒸气产物与液体有机溶剂(骤冷)接触,将二甲苯与邻苯二甲腈进行氨氧化,从所得的淬火中除去沸点高于邻苯二甲腈(高锅炉)的产物 溶液或悬浮液并氢化邻苯二甲腈,其中用于骤冷的有机溶剂是N-甲基-2-吡咯烷酮(NMP),在除去高锅炉之后,在氢化之前,部分或完全除去NMP 和/或沸点低于邻苯二甲腈(低锅炉)的产物和用于氢化步骤的邻苯二甲腈溶解或悬浮在有机溶剂或液氨中。

    Method for producing xylylenediamine (xda)
    4.
    发明申请
    Method for producing xylylenediamine (xda) 失效
    苯二甲胺生产方法(xda)

    公开(公告)号:US20070088179A1

    公开(公告)日:2007-04-19

    申请号:US10571584

    申请日:2004-08-27

    IPC分类号: C07C209/48

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile, by contacting the vaporous product of the ammoxidation stage directly with a liquid organic solvent (quench), and hydrogenating the phthalonitrile in the resulting quench solution or suspension, wherein the organic solvent is N-methyl-2-pyrrolidone (NMP).

    摘要翻译: 一种制备苯二甲胺的方法,包括通过使氨氧化阶段的蒸气产物直接与液体有机溶剂(骤冷)接触,并将所得的淬灭溶液或悬浮液中的邻苯二甲腈氢化,从而将二甲苯与邻苯二甲腈氨氧化,其中有机溶剂 是N-甲基-2-吡咯烷酮(NMP)。

    Method for producing xylylenediamine (xda)
    5.
    发明申请
    Method for producing xylylenediamine (xda) 失效
    苯二甲胺生产方法(xda)

    公开(公告)号:US20070010693A1

    公开(公告)日:2007-01-11

    申请号:US10569985

    申请日:2004-09-04

    IPC分类号: C07C209/48

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile and hydrogenating the phthalonitrile, which comprises contacting the vaporous product of the ammoxidation stage directly with a liquid organic solvent or with molten phthalonitrile (quench), partly or fully removing components having a boiling point lower than phthalonitrile (low boilers) from the resulting quench solution or suspension or phthalonitrile melt and, after the low boiler removal and before the hydrogenation, removing products having a boiling point higher than phthalonitrile (high boilers).

    摘要翻译: 一种制备苯二甲胺的方法,包括以下步骤:将二甲苯与邻苯二甲腈氨化并氢化邻苯二甲腈,其包括将氨氧化阶段的蒸气产物直接与液体有机溶剂或熔融的邻苯二甲腈(骤冷)接触,部分或全部除去具有 沸点低于邻苯二甲腈(低锅炉),从所得的淬火溶液或悬浮液或邻苯二甲腈熔体中,并且在低锅炉去除和氢化之前,除去沸点高于邻苯二甲腈(高锅炉)的产物。

    Method for producing xylylenediamine (XDA)
    6.
    发明授权
    Method for producing xylylenediamine (XDA) 失效
    苯二甲胺(XDA)生产方法

    公开(公告)号:US07541497B2

    公开(公告)日:2009-06-02

    申请号:US10571584

    申请日:2004-08-27

    IPC分类号: C07C29/48

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile, by contacting the vaporous product of the ammoxidation stage directly with a liquid organic solvent (quench), and hydrogenating the phthalonitrile in the resulting quench solution or suspension, wherein the organic solvent is N-methyl-2-pyrrolidone (NMP).

    摘要翻译: 一种制备苯二甲胺的方法,包括通过使氨氧化阶段的蒸气产物直接与液体有机溶剂(骤冷)接触,并将所得的淬灭溶液或悬浮液中的邻苯二甲腈氢化,从而将二甲苯与邻苯二甲腈氨氧化,其中有机溶剂 是N-甲基-2-吡咯烷酮(NMP)。

    Method for producing xylylenediamine (XDA)
    7.
    发明授权
    Method for producing xylylenediamine (XDA) 失效
    苯二甲胺(XDA)生产方法

    公开(公告)号:US07528284B2

    公开(公告)日:2009-05-05

    申请号:US10571425

    申请日:2004-09-04

    IPC分类号: C07C209/00

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile and hydrogenating the phthalonitrile, which comprises contacting the vaporus product of the ammoxidation stage directly with a liquid organic solvent or with molten phthalonitrile (quench), partly or fully removing components having a boiling point lower than phthalonitrile (low boilers) from the resulting quench solution or suspention or phthalonitrile melt and, before the hydrogenation, of the phthalonitrile, not removing any products having a boiling point higher than phthalonitrile (high boilers).

    摘要翻译: 一种制备苯二甲胺的方法,包括以下步骤:将二甲苯与邻苯二甲腈氨化并氢化邻苯二甲腈,其包括将氨氧化阶段的蒸气产物直接与液体有机溶剂或熔融的邻苯二甲腈(骤冷)接触,部分或全部除去具有 沸点低于邻苯二甲腈(低锅炉),从所得的淬火溶液或悬浮液或邻苯二甲腈熔融,在氢化之前,邻苯二甲腈,不去除沸点高于邻苯二甲腈(高锅炉)的任何产物。

    Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile
    9.
    发明申请
    Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile 失效
    通过连续氢化液体邻苯二甲腈生产二氨基二甲苯的方法

    公开(公告)号:US20070027345A1

    公开(公告)日:2007-02-01

    申请号:US10571260

    申请日:2004-09-09

    IPC分类号: C07C209/48

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine by continuously hydrogenating liquid phthalonitrile over a heterogeneous catalyst in the presence of liquid ammonia in a reactor, in which a portion of the reactor effluent is recycled as a liquid circulation stream continuously to the reactor inlet (circulation mode), in which a stream of a phthalonitrile melt in liquid form is conducted by means of a mixer unit into the circulation stream around the hydrogenation reactor, the phthalonitrile conversion in the reactor on single pass being greater than 99%, and the circulation stream consisting to an extent of greater than 93% by weight of liquid ammonia and xylylenediamine and not comprising any further solvent for phthalonitrile.

    摘要翻译: 一种通过在反应器中液氨存在下在非均相催化剂上连续氢化液体邻苯二甲腈的方法,其中反应器流出物的一部分作为液体循环流连续循环到反应器入口(循环模式),在 其中液体形式的邻苯二甲腈熔体流通过混合器装置进入加氢反应器周围的循环流中,单次反应器中的邻苯二甲腈转化率大于99%,循环流组成一定程度 大于93重量%的液氨和苯二甲胺,并且不包含用于邻苯二甲腈的任何其它溶剂。

    Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile
    10.
    发明授权
    Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile 失效
    通过连续氢化液体邻苯二甲腈生产二氨基二甲苯的方法

    公开(公告)号:US07323597B2

    公开(公告)日:2008-01-29

    申请号:US10571260

    申请日:2004-09-09

    IPC分类号: C07C211/00

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine by continuously hydrogenating liquid phthalonitrile over a heterogeneous catalyst in the presence of liquid ammonia in a reactor, in which a portion of the reactor effluent is recycled as a liquid circulation stream continuously to the reactor inlet (circulation mode), in which a stream of a phthalonitrile melt in liquid form is conducted by means of a mixer unit into the circulation stream around the hydrogenation reactor, the phthalonitrile conversion in the reactor on single pass being greater than 99%, and the circulation stream consisting to an extent of greater than 93% by weight of liquid ammonia and xylylenediamine and not comprising any further solvent for phthalonitrile.

    摘要翻译: 一种通过在反应器中液氨存在下在非均相催化剂上连续氢化液体邻苯二甲腈的方法,其中反应器流出物的一部分作为液体循环流连续循环到反应器入口(循环模式),在 其中液体形式的邻苯二甲腈熔体流通过混合器装置进入加氢反应器周围的循环流中,单次反应器中的邻苯二甲腈转化率大于99%,循环流组成一定程度 大于93重量%的液氨和苯二甲胺,并且不包含用于邻苯二甲腈的任何其它溶剂。