Method for producing polyether polyols
    11.
    发明授权
    Method for producing polyether polyols 失效
    聚醚多元醇的制备方法

    公开(公告)号:US08034980B2

    公开(公告)日:2011-10-11

    申请号:US12302162

    申请日:2007-05-22

    IPC分类号: C07C43/00 B01J19/00

    CPC分类号: C08G65/2696 C08G18/4866

    摘要: A process for preparing polyether polyols by reaction of the following starting materials: a) one or more alkylene oxides and, if appropriate, carbon dioxide and also b) one or more H-functional starter substances, in the presence of a catalyst, in a reaction unit having a plurality of parallel layers A, B which are microstructured so that each layer has a multiplicity of channels which are arranged parallel to one another and form a continuous flow path from one side of the plate to the opposite side of this, wherein a distribution device for introduction of the starting materials and the catalyst is provided at one end of the channels of the layers A and a collection device for the reaction mixture is provided at the other end of these is proposed.

    摘要翻译: 通过以下原料反应制备聚醚多元醇的方法:a)一种或多种环氧烷烃,如果合适的话,二氧化碳,以及b)一种或多种H官能起始物质,在催化剂存在下,在 反应单元具有多个平行层A,B,它们被微结构化,使得每个层具有多个彼此平行布置的通道,并形成从板的一侧到其相反侧的连续流动路径,其中 在层A的通道的一端设置用于引入起始材料和催化剂的分配装置,并且在另一端提供了用于反应混合物的收集装置。

    Method for producing polyether alcohols
    15.
    发明授权
    Method for producing polyether alcohols 有权
    聚醚醇的制造方法

    公开(公告)号:US07723465B2

    公开(公告)日:2010-05-25

    申请号:US11994507

    申请日:2006-07-11

    IPC分类号: C08G59/68

    CPC分类号: C08G65/2663 C08G65/2696

    摘要: The invention provides a process for continuously preparing polyether alcohols using DMC catalysts, which comprises, in a first step, in a continuous reactor, adding alkylene oxides onto H-functional starter substances and transferring the output of this reactor to a second step in a reactor which is divided by closed trays into mutually separate sections, known as compartments, which are connected to one another by external pipelines, in which the output of the reactor from the first step of the reaction passes through the compartments in succession.

    摘要翻译: 本发明提供了一种使用DMC催化剂连续制备聚醚醇的方法,该方法在第一步中包括在连续反应器中,在环氧化物起始物质中加入环氧烷并将反应器的输出转移到反应器中的第二步 其被封闭的托盘分成相互分离的部分,称为隔室,其通过外部管道彼此连接,其中来自反应器的第一步骤的反应器的输出依次通过隔室。

    Process for preparing polyether alcohols
    17.
    发明授权
    Process for preparing polyether alcohols 有权
    制备聚醚醇的方法

    公开(公告)号:US09120731B2

    公开(公告)日:2015-09-01

    申请号:US13813300

    申请日:2011-08-08

    IPC分类号: C07C41/02 C08G65/26

    CPC分类号: C07C41/02 C08G65/2696

    摘要: What is proposed is a process for preparing polyether alcohols by conversion of the following reactants: a) one or more alkylene oxides and optionally carbon dioxide and b) one or more H-functional starter substances, in the presence of a catalyst, to form a liquid reaction mixture, in a reaction unit (1), which is characterized in that the reaction unit (1) has internals (2) which form a multitude of microstructured flow channels which bring about multiple splitting of the liquid reaction mixture into component flow paths and recombination thereof in altered arrangement, the multiple splitting and recombination being repeated several times and the microstructured flow channels having a characteristic dimension which is defined as the greatest possible distance of any particle in the liquid reaction mixture from the wall of a flow channel closest to the particle, in the range from 20 to 10 000 μm, the result being that the flow profile of the liquid reaction mixture approximates to ideal plug flow as a result of the microstructured flow channels.

    摘要翻译: 提出的是通过以下反应物的转化来制备聚醚醇的方法:a)一种或多种环氧烷烃和任选的二氧化碳,和b)一种或多种H官能起始物质,在催化剂存在下,形成 液体反应混合物,在反应单元(1)中,其特征在于反应单元(1)具有形成多个微结构流动通道的内部(2),其导致液体反应混合物多次分离成组分流动路径 并且其重组在改变的布置中,多次分裂和重组被重复几次,并且微结构流动通道具有被定义为液体反应混合物中任何颗粒与流动通道的壁最接近的最大可能距离的特征尺寸 颗粒在20至1000000范围内,其结果是液体反应混合物的流动分布近似于id 作为微结构化流动通道的结果,流动的流动。

    Foamed polyurethanes having improved flexing endurance properties
    18.
    发明授权
    Foamed polyurethanes having improved flexing endurance properties 有权
    发泡聚氨酯具有改善的弯曲耐久性能

    公开(公告)号:US09109077B2

    公开(公告)日:2015-08-18

    申请号:US12741618

    申请日:2008-11-13

    摘要: The present invention relates to foamed polyurethane obtainable by mixing a) polyisocyanates, b) relatively high molecular weight compounds having groups reactive toward isocyanate groups, c) solid particles, d) blowing agents, e) if appropriate, chain extender, crosslinking agent or mixtures thereof, f) if appropriate, catalyst and g) if appropriate, other additives to give a reaction mixture and allowing the reaction mixture to react to completion, the propotion of chain extender being less than 6% by weight, based on the total weight of the components a) to f), the content of solid particles being greater than 15% by weight, based on the total weight of the components a) to f), and the average functionality of the relatively high molecular weight compounds having groups reactive toward isocyanate groups being less 2.5. The present invention furthermore relates to a molding comprising a foamed polyurethane according to the invention, a process for the preparation of the foamed polyurethane according to the invention and the use of a molding according to the invention as a shoe sole.

    摘要翻译: 本发明涉及通过混合a)多异氰酸酯得到的发泡聚氨酯,b)具有对异氰酸酯基团具有反应性的基团的相对高分子量化合物,c)固体颗粒,d)发泡剂,e)如果合适,扩链剂,交联剂或混合物 f)如果合适,催化剂和g)如果合适的话,其它添加剂以产生反应混合物并使反应混合物反应完成,扩链剂的用量小于6重量%,基于总重量的 组分a)至f),基于组分a)至f)的总重量,固体颗粒的含量大于15重量%,并且具有反应性的基团的相对高分子量化合物的平均官能度 异氰酸酯基团少2.5。 本发明还涉及包含根据本发明的发泡聚氨酯的模制品,用于制备根据本发明的泡沫聚氨酯的方法以及根据本发明的模制品作为鞋底的用途。

    PROCESS FOR PREPARING POLYETHER ALCOHOLS
    19.
    发明申请
    PROCESS FOR PREPARING POLYETHER ALCOHOLS 有权
    制备聚醚醇的方法

    公开(公告)号:US20130131389A1

    公开(公告)日:2013-05-23

    申请号:US13813300

    申请日:2011-08-08

    IPC分类号: C07C41/02

    CPC分类号: C07C41/02 C08G65/2696

    摘要: What is proposed is a process for preparing polyether alcohols by conversion of the following reactants: a) one or more alkylene oxides and optionally carbon dioxide and b) one or more H-functional starter substances, in the presence of a catalyst, to form a liquid reaction mixture, in a reaction unit (1), which is characterized in that the reaction unit (1) has internals (2) which form a multitude of microstructured flow channels which bring about multiple splitting of the liquid reaction mixture into component flow paths and recombination thereof in altered arrangement, the multiple splitting and recombination being repeated several times and the microstructured flow channels having a characteristic dimension which is defined as the greatest possible distance of any particle in the liquid reaction mixture from the wall of a flow channel closest to the particle, in the range from 20 to 10 000 μm, the result being that the flow profile of the liquid reaction mixture approximates to ideal plug flow as a result of the microstructured flow channels.

    摘要翻译: 提出的是通过以下反应物的转化来制备聚醚醇的方法:a)一种或多种环氧烷烃和任选的二氧化碳,和b)一种或多种H官能起始物质,在催化剂存在下,形成 液体反应混合物,在反应单元(1)中,其特征在于反应单元(1)具有形成多个微结构流动通道的内部(2),其导致液体反应混合物多次分离成组分流动路径 并且其重组在改变的布置中,多次分裂和重组被重复几次,并且微结构流动通道具有被定义为液体反应混合物中任何颗粒与流动通道的壁最接近的最大可能距离的特征尺寸 该颗粒在20至1000000m范围内,结果是液体反应混合物的流动分布近似于id 作为微结构化流动通道的结果,流动的流动。

    Method for producing polyether alcohols
    20.
    发明授权
    Method for producing polyether alcohols 有权
    聚醚醇的制造方法

    公开(公告)号:US07750191B2

    公开(公告)日:2010-07-06

    申请号:US11570794

    申请日:2005-06-22

    IPC分类号: C07C43/00 C08G18/00

    摘要: The invention provides a process for continuously preparing polyether alcohols by adding alkylene oxides to H-functional starter substances using a DMC catalyst, comprising the steps of a) preparing a precursor by continuously metering an H-functional starter substance, an alkylene oxide or a mixture of at least two alkylene oxides and the required amount of DMC catalyst into a continuous reactor, b) continuously withdrawing the precursor from step a) from the reactor, c) continuously metering the product from step a), an alkylene oxide different from that in step a) or a mixture of at least two alkylene oxides different from that in step a) and, if appropriate, the required amount of DMC catalyst into a further continuous reactor.

    摘要翻译: 本发明提供一种通过使用DMC催化剂向环氧化物加成烯键式氧化物连续制备聚醚醇的方法,该方法包括以下步骤:a)通过连续计量H-功能起始物质,烯化氧或混合物来制备前体 的至少两种烯化氧和所需量的DMC催化剂进入连续反应器,b)从反应器中连续地从步骤a)中取出前体,c)连续计量来自步骤a)的产物,不同于 步骤a)或至少两种不同于步骤a)中的环氧烷烃的混合物,如果合适的话,将所需量的DMC催化剂加入另外的连续反应器中。