Dmc catalysts, polyether alcohols, and method for the production thereof
    2.
    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 polyether alcohols
    3.
    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

    IPC分类号: C07C41/03

    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。

    Preparation of polyether alcohols
    5.
    发明申请
    Preparation of polyether alcohols 审中-公开
    聚醚醇的制备

    公开(公告)号:US20050107643A1

    公开(公告)日:2005-05-19

    申请号:US10712707

    申请日:2003-11-13

    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 3 000 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)或之后计量起始物质 在5至500秒的时间内达到维持反应器连续运行的计量速率,d)在达到反应器连续运行所需反应器的填充量后,将产品关闭 连续地从反应器中同时在起始物质和环氧烷中计量,使得反应器中的填充水平保持恒定并且在DMC cata中计量 使得在反应器中保持连续操作反应器所需的催化剂浓度。

    Method for the production of polyetherols
    7.
    发明授权
    Method for the production of polyetherols 失效
    生产聚醚的方法

    公开(公告)号:US07342140B2

    公开(公告)日:2008-03-11

    申请号:US10526937

    申请日:2003-09-11

    IPC分类号: C07C43/00

    CPC分类号: C08G65/2645 C08G65/266

    摘要: The present invention relates to a process for preparing a polyetherol which comprises reacting at least one alkylene oxide with at least one starter compound in the presence of a catalyst of the formula I: M1p[M2qOn(OH)2(3-n)]x,  (I) and to the polyetherols prepared by such a process and to their use for the synthesis of polyurethanes, as fuel additive or as surfactant.

    摘要翻译: 本发明涉及一种制备聚己二醇的方法,该方法包括在式I的催化剂存在下使至少一种环氧烷与至少一种起始化合物反应:<?in-line-formula description =“In-Line Formulas “end =”lead“?> M (I)<?in-line-formula description =“In-line Formulas”end =“tail(”)“(OH)2(3-n) “以及通过这种方法制备的聚醚酯,以及它们用于合成聚氨酯,作为燃料添加剂或作为表面活性剂的用途。

    Method for the Production of Double Metal Cyanide Complex Catalysts
    8.
    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 producing polyether alcohols
    10.
    发明申请
    Method for producing polyether alcohols 审中-公开
    聚醚醇的制造方法

    公开(公告)号:US20050177005A1

    公开(公告)日:2005-08-11

    申请号:US10515350

    申请日:2003-06-06

    IPC分类号: C08G65/26 C07C41/03

    摘要: The invention relates to a method for producing polyether alcohols, comprising the following steps: a) reacting a low-molecular alcohol with alkylene oxide in the presence of a basic catalyst in order to form an alkylene oxide addition product having a molecular weight ranging from 200 to 900 g/mol; b) separating the basic catalyst from the product obtained in step a), and; c) reacting the product obtained in step b) with another alkylene oxide in order to produce the desired final product while using at least one DMC catalyst. The inventive method is characterized in that sodium hydroxide is used as the basic catalyst in step a).

    摘要翻译: 本发明涉及一种生产聚醚醇的方法,包括以下步骤:a)在碱性催化剂存在下使低分子量醇与环氧烷反应,以形成分子量为200的环氧烷加成产物 至900g / mol; b)将碱性催化剂与步骤a)中得到的产物分离, c)使步骤b)中获得的产物与另一种环氧烷反应,以便在使用至少一种DMC催化剂时产生所需的最终产物。 本发明的方法的特征在于,在步骤a)中使用氢氧化钠作为碱性催化剂。