Dmc catalysts, polyether alcohols, and method for the production thereof
    3.
    发明申请
    Dmc catalysts, polyether alcohols, and method for the production thereof 审中-公开
    Dmc催化剂,聚醚醇及其制备方法

    公开(公告)号:US20050203274A1

    公开(公告)日:2005-09-15

    申请号:US10514714

    申请日:2003-06-18

    摘要: The invention relates to a process for preparing polyether alcohols by addition of alkylene oxides onto H-functional starter substances using multimetal cyanide compounds as catalysts, wherein the multimetal cyanide compound is prepared by a process comprising the steps: a) adding a metal salt solution to a cyanometalate solution at a specific stirring power ε in the range from 0.05 to 10 W/l, preferably from 0.4 to 4 W/l, a temperature in the range from 0° C. to 100° C., preferably from 20° C. to 60° C., and an addition time of from 5 to 120 minutes, b) reducing the specific stirring power ε to a value in the range from 0.03 to 0.8 W/l and at the same time adding a surface-active agent, c) heating the solution while stirring at a specific stirring power ε of from 0.03 to 0.8 W/l, to a temperature of not more than 100° C., preferably in the range from 55° C. to 75° C., d) adding further metal salt solution while stirring at a specific stirring power ε of from 0.03 to 0.8 W/l, e) when the conductivity begins to drop, dispersing the solid, for example by stirring while increasing the specific stirring power ε to >0.7 W/l or by installation of a pumped circuit with an appropriate pump or by means of a high-speed stirrer, f) stirring at the specific stirring power ε of step e) until the conductivity or the pH remains constant, g) separating off the multimetal cyanide compound and washing it with water and, if desired, h) drying the catalyst.

    摘要翻译: 本发明涉及通过使用多金属氰化物作为催化剂将烯化氧加成到H官能起始物质上制备聚醚醇的方法,其中所述多金属氰化合物通过包括以下步骤的方法制备:a)将金属盐溶液加入到 在特定搅拌功率ε为0.05至10W / l,优选0.4至4W / l的范围内的氰酸金属盐溶液,温度范围为0℃至100℃,优选为20℃ 至60℃,加入时间为5至120分钟,b)将比重搅拌功率ε3降低至0.03-0.8W / l的范围内,同时加入表面活性剂 ,c)在0.03-0.8W / l的特定搅拌功率ε的搅拌下将溶液加热至不超过100℃,优选在55℃至75℃的温度, d)在搅拌下以特定搅拌功率ε加入另外的金属盐溶液 从0.03至0.8W / l,e)当电导率开始下降时,例如通过搅拌分散固体,同时将特定搅拌功率ε提高至> 0.7W / l或通过用合适的泵安装泵浦回路或 通过高速搅拌器,f)在步骤e)的特定搅拌功率ε下搅拌,直到导电率或pH保持恒定,g)分离多金属氰化合物并用水洗涤,如果需要,h )干燥催化剂。

    Method for producing alkoxylated products at optimized reaction pressures
    4.
    发明申请
    Method for producing alkoxylated products at optimized reaction pressures 有权
    在优化的反应压力下生产烷氧基化产物的方法

    公开(公告)号:US20060004232A1

    公开(公告)日:2006-01-05

    申请号:US10528414

    申请日:2003-04-25

    IPC分类号: C07C41/03

    摘要: The present invention relates to a process for the preparation of at least one alkoxylate comprising the bringing into contact of an alkylene oxide mixture at least comprising ethylene oxide with at least one starter compound in the presence of at least one double-metal cyanide compound, where, during the induction phase, the sum of inert gas partial pressure and ethylene oxide partial pressure is 1.5 bar to 6.0 bar, to the alkoxylates obtainable by such a process, and to the use of such alkoxylates as emulsifier, foam regulator or as wetting agent for hard surfaces.

    摘要翻译: 本发明涉及一种制备至少一种烷氧基化物的方法,其包括在至少一种双金属氰化物化合物的存在下使至少包含环氧乙烷的环氧烷烃与至少一种起始化合物接触,其中 在诱导阶段,惰性气体分压和环氧乙烷分压的总和为1.5巴至6.0巴,可通过这种方法获得的烷氧基化物,以及使用这种烷氧基化物作为乳化剂,泡沫调节剂或作为润湿剂 用于硬表面。

    Method for the Production of Double Metal Cyanide Complex Catalysts
    7.
    发明申请
    Method for the Production of Double Metal Cyanide Complex Catalysts 审中-公开
    双金属氰化物复合催化剂生产方法

    公开(公告)号:US20080292526A1

    公开(公告)日:2008-11-27

    申请号:US11913484

    申请日:2006-05-02

    摘要: Process for preparing double metal cyanide catalysts of the general formula (I) M2a[M1(CN)rXt]b   (I) where M2 is preferably Co(III) or Fe(III), and M1 is preferably Zn(II), X is a group other than cyanide which forms a coordinate bond to M1 and is selected from the group consisting of carbonyl, cyanate, isocyanate, nitrile, thiocyanate and nitrosyl, a, b, r, t are integers which are selected so that the compound is electrically neutral, by reacting a) a cyanometallic acid of the general formula (II) Hw[M1(CN)r(X)t] where M1 and X are as defined above, r and t are as defined above and w is selected so that the compound is electrically neutral, with b) a readily protolyzable metal compound (IIIa) M2Rw and/or (IIIb) M2RuYv, where M2 is as defined above, the groups R are identical or different and are each the anion of a very weak protic acid having a pKa of ≧20, and Y is the anion of an inorganic mineral acid or a moderately strong to strong organic acid having a pKa of from −10 to +10, w corresponds to the valence of M2, u+v corresponds to the valence of M2, with u and v each being at least 1, with the reaction being carried out in a nonaqueous, aprotic solvent.

    摘要翻译: 制备通式(I)的双金属氰化物催化剂的方法<?in-line-formula description =“In-line formula”end =“lead”→> M2a [M1(CN)rXt] b(I) 其中M2优选为Co(III)或Fe(III),M1优选为Zn(II),X为氰化物以外的基团 其形成与M1的配位键,并且选自羰基,氰酸酯,异氰酸酯,腈,硫氰酸酯和亚硝酰基,a,b,r,t是选择为使化合物电中性的整数,通过使 )通式(II)的卤代金属盐Hw [M1(CN)r(X)t]其中M1和X如上定义,r和t如上所定义,并且w被选择为使得化合物是电中性的 ,其中b)易于分解的金属化合物(IIIa)M2Rw和/或(IIIb)M2RuYv,其中M2如上所定义,基团R相同或不同,各自为非常弱的质子酸的阴离子,其具有pKa为 > = 20,和 Y是无机无机酸的阴离子或pKa为-10至+10的中等强至强有机酸的阴离子,w对应于M2的化合价,u + v对应于M2的化合价,u和v 每个至少为1,反应在非水性非质子溶剂中进行。

    Method for activating double metallocyanide-compounds
    9.
    发明申请
    Method for activating double metallocyanide-compounds 有权
    活化双金属氰化物化合物的方法

    公开(公告)号:US20050159627A1

    公开(公告)日:2005-07-21

    申请号:US10502803

    申请日:2003-02-06

    摘要: The present invention relates to a process for reacting epoxides with an initiator compound in the presence of a double metal cyanide compound as a catalyst, said process having a shortened induction period, and the double metal cyanide compound being activated by adding the epoxide to a mixture of double metal cyanide compound and initiator compound at an internal reactor pressure of less than 1 bar, and also to the polyethers themselves obtainable by such a process.

    摘要翻译: 本发明涉及一种在双金属氰化物化合物作为催化剂存在下使环氧化物与引发剂化合物反应的方法,所述方法具有缩短的诱导期,并且双金属氰化物通过向混合物中加入环氧化物而被活化 的双金属氰化物化合物和引发剂化合物,其内反应器压力小于1巴,以及可通过这种方法获得的聚醚。