Method for the separation of polymeric by-products from 1,4-butynediol
    4.
    发明授权
    Method for the separation of polymeric by-products from 1,4-butynediol 有权
    从1,4-丁炔二醇分离聚合副产物的方法

    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

    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。

    METHOD FOR THE SEPARATION OF POLYMERIC BY-PRODUCTS FROM 1,4-BUTYNEDIOL
    7.
    发明申请
    METHOD FOR THE SEPARATION OF POLYMERIC BY-PRODUCTS FROM 1,4-BUTYNEDIOL 有权
    从1,4-丁二烯分离聚合副产物的方法

    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

    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。

    Method For The Separation Of Polymeric By-Products From 1,4-Butynediol
    8.
    发明申请
    Method For The Separation Of Polymeric By-Products From 1,4-Butynediol 有权
    1,4-丁炔二醇分离聚合物副产物的方法

    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

    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。

    Method for the production of N-alkenyl-amides
    9.
    发明授权
    Method for the production of N-alkenyl-amides 失效
    制备N-烯基酰胺的方法

    公开(公告)号:US06673920B2

    公开(公告)日:2004-01-06

    申请号:US10168211

    申请日:2002-06-19

    IPC分类号: C07D22310

    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。