Process for preparing polyether polyols
    1.
    发明申请
    Process for preparing polyether polyols 审中-公开
    制备聚醚多元醇的方法

    公开(公告)号:US20060223979A1

    公开(公告)日:2006-10-05

    申请号:US11098271

    申请日:2005-04-04

    IPC分类号: C08G65/34 C08L71/08

    CPC分类号: C08G65/2663

    摘要: A process for preparing polyether polyols comprises A) preparing a polyether polyol precursor, B) preparing a suspension of a DMC catalyst in a polyol, C) activating the DMC catalyst by bringing it into contact with an alkylene oxide, giving an activated DMC catalyst suspension, D) adding the activated DMC catalyst suspension from step C) to the polyether polyol precursor, E) reacting the polyether polyol precursor with alkylene oxide and, if appropriate, an H-functional starter substance in the presence of the activated DMC catalyst.

    摘要翻译: 制备聚醚多元醇的方法包括:A)制备聚醚多元醇前体,B)制备DMC催化剂在多元醇中的悬浮液,C)通过使其与烯化氧接触来活化DMC催化剂,得到活化的DMC催化剂悬浮液 D)将来自步骤C)的活化DMC催化剂悬浮液加入到聚醚多元醇前体中,E)使聚醚多元醇前体与烯化氧反应,如果合适的话,在活化的DMC催化剂存在下使其反应。

    Preparation of polyether alcohols
    2.
    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 producing polyether alcohols
    3.
    发明申请
    Method for producing polyether alcohols 失效
    聚醚醇的制造方法

    公开(公告)号:US20070129577A1

    公开(公告)日:2007-06-07

    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。

    Process for preparing reactive polyether polyols having an ethylene oxide end block
    4.
    发明申请
    Process for preparing reactive polyether polyols having an ethylene oxide end block 失效
    制备具有环氧乙烷端嵌段的活性聚醚多元醇的方法

    公开(公告)号:US20050240063A1

    公开(公告)日:2005-10-27

    申请号:US10828967

    申请日:2004-04-21

    IPC分类号: C08G18/48 C08G65/26 C07C43/18

    摘要: Process for preparing polyether polyols having an end block of ethylene oxide by addition of alkylene oxides onto H-functional starter substances, in which A) a polyether polyol precursor is prepared by means of double metal cyanide (DMC) catalysis in a semicontinuous mode of operation in which previously prepared polyether polyol together with the DMC catalyst are placed in a reactor and H-functional starter substance and propylene oxide are added continuously, B) the polyether polyol precursor from stage A) is reacted with propylene oxide or an ethylene oxide/propylene oxide mixture in the presence of the DMC catalyst in a continuously operating reactor to give a polyether polyol intermediate, C) the intermediate from stage B) is mixed with an alkali metal hydroxide as catalyst and D) reacted with ethylene oxide in a continuously operating reactor to give the final product, E) the catalyst is separated off from the final product obtained in stage D).

    摘要翻译: 制备具有环氧乙烷端嵌段的聚醚多元醇的方法,其通过在H-功能起始物质上加入环氧烷烃,其中A)聚醚多元醇前体是通过半连续运行模式中的双金属氰化物(DMC)催化制备的 其中将预先制备的聚醚多元醇与DMC催化剂一起放入反应器中,并连续加入H官能引发剂物质和环氧丙烷,B)将来自阶段A)的聚醚多元醇前体与环氧丙烷或环氧乙烷/丙烯 氧化物混合物在DMC催化剂存在下在连续操作的反应器中得到聚醚多元醇中间体,C)将来自阶段B)的中间体与作为催化剂的碱金属氢氧化物混合,并且D)在连续操作的反应器中与环氧乙烷反应 得到最终产物,E)将催化剂从阶段D)中得到的最终产物中分离出来。

    Method for producing polyether alcohols
    5.
    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。

    Process for preparing reactive polyether polyols having an ethylene oxide end block
    8.
    发明授权
    Process for preparing reactive polyether polyols having an ethylene oxide end block 失效
    制备具有环氧乙烷端嵌段的活性聚醚多元醇的方法

    公开(公告)号:US07186867B2

    公开(公告)日:2007-03-06

    申请号:US10828967

    申请日:2004-04-21

    IPC分类号: C07C41/02

    摘要: Process for preparing polyether polyols having an end block of ethylene oxide by addition of alkylene oxides onto H-functional starter substances, in which A) a polyether polyol precursor is prepared by means of double metal cyanide (DMC) catalysis in a semicontinuous mode of operation in which previously prepared polyether polyol together with the DMC catalyst are placed in a reactor and H-functional starter substance and propylene oxide are added continuously, B) the polyether polyol precursor from stage A) is reacted with propylene oxide or an ethylene oxide/propylene oxide mixture in the presence of the DMC catalyst in a continuously operating reactor to give a polyether polyol intermediate, C) the intermediate from stage B) is mixed with an alkali metal hydroxide as catalyst and D) reacted with ethylene oxide in a continuously operating reactor to give the final product, E) the catalyst is separated off from the final product obtained in stage D).

    摘要翻译: 制备具有环氧乙烷端嵌段的聚醚多元醇的方法,其通过在H-功能起始物质上加入环氧烷烃,其中A)聚醚多元醇前体是通过半连续运行模式中的双金属氰化物(DMC)催化制备的 其中将预先制备的聚醚多元醇与DMC催化剂一起放入反应器中,并连续加入H官能引发剂物质和环氧丙烷,B)将来自阶段A)的聚醚多元醇前体与环氧丙烷或环氧乙烷/丙烯 氧化物混合物在DMC催化剂存在下在连续操作的反应器中得到聚醚多元醇中间体,C)将来自阶段B)的中间体与作为催化剂的碱金属氢氧化物混合,并且D)在连续操作的反应器中与环氧乙烷反应 得到最终产物,E)将催化剂从阶段D)中得到的最终产物中分离出来。

    Method for the Production of Double Metal Cyanide Complex Catalysts
    9.
    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 the production of polyetherols
    10.
    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。