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    • 7. 发明申请
    • Method for the Production of Double Metal Cyanide Complex Catalysts
    • 双金属氰化物复合催化剂生产方法
    • US20080292526A1
    • 2008-11-27
    • US11913484
    • 2006-05-02
    • Edward BohresMichael StosserLudwig VolkelRaimund RuppelEva BaumNorbert WagnerJorg SundermeyerUdo GarreltsMichael Zirnstein
    • Edward BohresMichael StosserLudwig VolkelRaimund RuppelEva BaumNorbert WagnerJorg SundermeyerUdo GarreltsMichael Zirnstein
    • C01C3/14C01C3/20C01B21/20C01G1/04
    • B01J27/26B01J31/1805B01J31/20B01J2231/48C08G65/2663
    • 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.
    • 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。
    • 9. 发明申请
    • Dmc catalysts, polyether alcohols, and method for the production thereof
    • Dmc催化剂,聚醚醇及其制备方法
    • US20050203274A1
    • 2005-09-15
    • US10514714
    • 2003-06-18
    • Edward BohresDirk FrankeMichael StosserRaimund RuppelEva BaumKathrin Harre
    • Edward BohresDirk FrankeMichael StosserRaimund RuppelEva BaumKathrin Harre
    • C08G65/12B01J27/26B01J37/03C08G18/48C08G65/26C08G65/04
    • B01J27/26B01J37/03C08G18/4866C08G65/2663
    • 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.
    • 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。