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    Method for producing polyetherpolyols in the presence of a multi-metal cyanide complex catalyst
    8.
    发明授权
    Method for producing polyetherpolyols in the presence of a multi-metal cyanide complex catalyst 失效
    在多金属氰化物配合物催化剂存在下制备聚醚多元醇的方法

    公开(公告)号：US06673972B2

    公开(公告)日：2004-01-06

    申请号：US10169683

    申请日：2002-07-05

    申请人： Thomas Ostrowski ,  Kathrin Harre ,  Peter Zehner ,  Jörn Müller ,  Dieter Stützer ,  Georg Heinrich Grosch ,  Jürgen Winkler ,  Stephan Bauer

    发明人： Thomas Ostrowski ,  Kathrin Harre ,  Peter Zehner ,  Jörn Müller ,  Dieter Stützer ,  Georg Heinrich Grosch ,  Jürgen Winkler ,  Stephan Bauer

    IPC分类号： C07C4311

    CPC分类号： C08G65/2696 ,  B01J27/26 ,  C08G65/2663

    摘要： Polyetherpolyols are prepared by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst by a process which is carried out in a vertical upright cylindrical reactor comprising a jet nozzle which is arranged in the upper reactor region and is directed downward and via which the starting materials and the reaction mixture are fed in, and comprising a take-off, preferably in the lower reactor region, via which the reaction mixture is fed back to the jet nozzle in an external circulation by means of a pump via an equilibration container, comprising a concentric guide tube which extends over the total length of the reactor, except for the reactor ends, and comprising a heat exchanger integrated in the annular space.

    摘要翻译： 聚醚多元醇通过二元醇或多元醇与环氧乙烷，环氧丙烷，环氧丁烷或其混合物在多金属氰化物配合物催化剂存在下反应来制备，该方法是在包括喷嘴的立式圆柱形反应器中进行的方法， 在上反应器区域中并且向下引导起始材料和反应混合物，并且优选在较低的反应器区域中包含起飞物料，反应混合物经反应器区域被反馈到喷嘴中 通过平衡容器通过泵的外部循环，包括在反应器的整个长度上延伸的同心引导管，除了反应器端部，并且包括集成在环形空间中的热交换器。

    Method for producing polyether alcohols
    10.
    发明授权
    Method for producing polyether alcohols 失效
    聚醚醇的制造方法

    公开(公告)号：US07968754B2

    公开(公告)日：2011-06-28

    申请号：US10578874

    申请日：2004-11-06

    申请人： Thomas Ostrowski ,  Raimund Ruppel ,  Eva Baum ,  Kathrin Harre

    发明人： Thomas Ostrowski ,  Raimund Ruppel ,  Eva Baum ,  Kathrin Harre

    IPC分类号： C07C41/03

    CPC分类号： C08G65/2663 ,  C08G18/4866 ,  C08G65/2696

    摘要： The invention relates to a process for the continuous preparation of polyether alcohols by reaction of alkylene oxides with H-functional starter substances in the presence of DMC catalysts, which comprises, at the beginning of the process a) firstly placing initial charge material and DMC catalyst in a reactor, b) metering in alkylene oxide so that the metering rate which is maintained for continuous operation of the reactor is reached in a time of from 100 to 3000 seconds, c) metering in starter substance during or after step b) so that the metering rate which is maintained for continuous operation of the reactor is reached in a time of from 5 to 500 seconds, d) after the fill level in the reactor which is desired for continuous operation of the reactor has been reached, taking product off continuously from the reactor while at the same time metering in starter substance and alkylene oxides in such an amount that the fill level in the reactor remains constant and metering in DMC catalyst so that the catalyst concentration necessary for continuous operation of the reactor is maintained in the reactor.

    摘要翻译： 本发明涉及一种通过在DMC催化剂存在下使烯化氧与H官能起始物质反应来连续制备聚醚醇的方法，该方法在方法开始时包括：a）首先将初始的电荷材料和DMC催化剂 在反应器中，b）在环氧烷中计量，使得在100至3000秒的时间内达到维持反应器连续操作的计量速率，c）在步骤b）期间或之后计量起始物质，使得 在5至500秒的时间内达到维持反应器连续运行的计量率，d）在达到反应器连续运行所需反应器的填充量后，连续停止生产 同时在起始物质和环氧烷中同时计量反应器中的填充水平保持恒定并在DMC催化剂中计量的量 使得在反应器中保持连续操作反应器所需的催化剂浓度。