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    • 3. 发明授权
    • Method for producing polyether polyols
    • 聚醚多元醇的制备方法
    • US09120894B2
    • 2015-09-01
    • US14131977
    • 2012-07-17
    • Thomas Ernst MüllerChristoph GürtlerMatthias WohakJörg HofmannMuhammad Afzal SubhaniMaurice CosemansWalter Leitner
    • Thomas Ernst MüllerChristoph GürtlerMatthias WohakJörg HofmannMuhammad Afzal SubhaniMaurice CosemansWalter Leitner
    • C08G85/00C08G65/00C08G65/26C08G64/34
    • C08G65/2663C08G64/34C08G65/2603
    • The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter compounds, one or more alkylene oxides and carbon dioxide in the presence of a double metal cyanide catalyst, wherein (α) the H-functional starter substance or a mixture of at least two H-functional starter substances is initially introduced into the reaction vessel, (β) for the activation, a part amount (based on the total amount of the amount of alkylene oxides employed in steps (β) and (γ)) of one or more alkylene oxides is added to the mixture resulting from step (α), it also being possible for step (β) to be carried out several times for the activation, (γ) one or more alkylene oxides and carbon dioxide are metered continuously into the mixture resulting from step (β) (“copolymerization”), the alkylene oxides employed for the copolymerization being identical to or different from the alkylene oxides employed in step (β), characterized in that in step (γ) the carbon dioxide is passed into the mixture by (i) gassing the reaction mixture in the reactor from the bottom, (ii) using a hollow shaft stirrer, (iii) a combination of the metering operations according to (i) and (ii), and/or (iv) gassing over the surface of the liquid by using stirrer units configured in several stages.
    • 本发明涉及在双金属氰化物催化剂存在下由一种或多种H官能起始化合物,一种或多种环氧烷和二氧化碳制备聚醚碳酸酯多元醇的方法,其中(α)H官能团 起始物质或至少两种H功能性起始物质的混合物最初被引入反应容器((bgr))中用于活化,部分量(基于步骤(bgr)中使用的环氧烷烃的总量 (γ))和(γ))加入到由步骤(α)得到的混合物中,对于活化,(γ)一个或多个步骤(&bgr)可以进行几次, 更多的环氧烷和二氧化碳被连续地计量到由步骤((bgr))(“共聚”)得到的混合物中,用于共聚的烯化氧与步骤(bgr)中使用的环氧烷烃相同或不同, 其特征在于在步骤(γ)中,二氧化碳通过以下步骤进入混合物:(i)从底部将反应混合物放入反应器中,(ii)使用中空轴搅拌器,(iii)根据 至(i)和(ii),和/或(iv)通过使用在几个阶段中配置的搅拌器单元在液体的表面上放气。
    • 7. 发明申请
    • METHOD FOR PRODUCING POLYETHER POLYOLS
    • 生产聚醚多元醇的方法
    • US20140155559A1
    • 2014-06-05
    • US14131977
    • 2012-07-17
    • Thomas Ernst MüllerChristoph GürtlerMatthias WohakJörg HofmannMuhammad Afzal SubhaniMaurice CosemansWalter Leitner
    • Thomas Ernst MüllerChristoph GürtlerMatthias WohakJörg HofmannMuhammad Afzal SubhaniMaurice CosemansWalter Leitner
    • C08G65/26
    • C08G65/2663C08G64/34C08G65/2603
    • The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter compounds, one or more alkylene oxides and carbon dioxide in the presence of a double metal cyanide catalyst, wherein (α) the H-functional starter substance or a mixture of at least two H-functional starter substances is initially introduced into the reaction vessel, (β) for the activation, a part amount (based on the total amount of the amount of alkylene oxides employed in steps (β) and (γ)) of one or more alkylene oxides is added to the mixture resulting from step (α), it also being possible for step (β) to be carried out several times for the activation, (γ) one or more alkylene oxides and carbon dioxide are metered continuously into the mixture resulting from step (β) (“copolymerization”), the alkylene oxides employed for the copolymerization being identical to or different from the alkylene oxides employed in step (β), characterized in that in step (γ) the carbon dioxide is passed into the mixture by (i) gassing the reaction mixture in the reactor from the bottom, (ii) using a hollow shaft stirrer, (iii) a combination of the metering operations according to (i) and (ii), and/or (iv) gassing over the surface of the liquid by using stirrer units configured in several stages.
    • 本发明涉及在双金属氰化物催化剂存在下由一种或多种H官能起始化合物,一种或多种环氧烷和二氧化碳制备聚醚碳酸酯多元醇的方法,其中(α)H官能团 起始物质或至少两种H功能性起始物质的混合物最初被引入反应容器((bgr))中用于活化,部分量(基于步骤(bgr)中使用的环氧烷烃的总量 (γ))和(γ))加入到由步骤(α)得到的混合物中,对于活化,(γ)一个或多个步骤(&bgr)可以进行几次, 更多的环氧烷和二氧化碳被连续地计量到由步骤((bgr))(“共聚”)得到的混合物中,用于共聚的烯化氧与步骤(bgr)中使用的环氧烷烃相同或不同, 其特征在于在步骤(γ)中,二氧化碳通过以下步骤进入混合物:(i)从底部将反应混合物放入反应器中,(ii)使用中空轴搅拌器,(iii)根据 至(i)和(ii),和/或(iv)通过使用在几个阶段中配置的搅拌器单元在液体的表面上放气。
    • 8. 发明申请
    • METHOD FOR ACTIVATING DOUBLE METAL CYANIDE CATALYSTS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS
    • 用于生产聚碳酸酯多元醇的双金属氰化物催化剂的活化方法
    • US20140221602A1
    • 2014-08-07
    • US14232633
    • 2012-07-16
    • Thomas Ernst MüllerChristoph GürtlerYvonne DienesJulien BarruetBurkhard KöhlerWalter Leitner
    • Thomas Ernst MüllerChristoph GürtlerYvonne DienesJulien BarruetBurkhard KöhlerWalter Leitner
    • C08G64/32
    • C08G64/323C08G64/34C08G65/2603C08G65/2663
    • The present invention relates to a process for the activation of double metal cyanide (DMC) catalysts with heterocumulenes for the preparation of polyether carbonate polyols by catalytic copolymerization of carbon dioxide (CO2) with alkylene oxides in the presence of one or more H-functional starter substances, and to a process for the preparation of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide in the presence of a double metal cyanide catalyst, characterized in that (α) under an inert gas atmosphere, under an atmosphere of an inert gas/carbon dioxide mixture or under a pure carbon dioxide atmosphere, at temperatures of from 90 to 150° C., the DMC catalyst is mixed with a heterocumulene and H-functional starter substance, (β) alkylene oxide is added at temperatures of from 100 to 150° C. to the mixture from step (α) under an inert gas atmosphere, under an atmosphere of an inert gas/carbon dioxide mixture or under a pure carbon dioxide atmosphere, and (γ) one or more alkylene oxides and carbon dioxide are metered continuously into the mixture resulting from step (β).
    • 本发明涉及一种用于通过在一种或多种H功能性起始剂存在下通过二氧化碳(CO 2)与氧化烯的催化共聚来制备聚醚碳酸酯多元醇的异氰脲酸双金属氰化物(DMC)催化剂的活化方法 以及在双金属氰化物催化剂存在下从一种或多种H官能起始物质,一种或多种环氧烷和二氧化碳制备聚醚碳酸酯多元醇的方法,其特征在于(α)在惰性 气体气氛中,在惰性气体/二氧化碳混合气氛下或在纯二氧化碳气氛下,在90〜150℃的温度下,将DMC催化剂与杂多烯和H官能起始物质(&bgr ;)在惰性气体气氛下,在惰性气体/二氧化碳气氛下,将氧化烯在100至150℃的温度下加入步骤(α)的混合物中 或者在纯二氧化碳气氛下,将(γ)一种或多种烯化氧和二氧化碳连续计量到由步骤(bgr)得到的混合物中。