Method for preparing polyether polyols
    31.
    发明授权
    Method for preparing polyether polyols 失效
    制备聚醚多元醇的方法

    公开(公告)号:US06441247B1

    公开(公告)日:2002-08-27

    申请号:US09890119

    申请日:2001-07-26

    IPC分类号: C07L4311

    摘要: The present invention relates to a process for the preparation of polyether polyols by catalytic reaction of H-functional initiators with lower alkylene oxides, wherein the catalysts used are multimetal cyanide compounds and the H-functional initiators used are butane-1,4-diol, &agr;-hydroxy-&ohgr;-hydroxypoly(oxybutane-1,4-diyl), pentane-1,5-diol, decane-1,10-diol or mixtures of at least two of these compounds.

    摘要翻译: 本发明涉及通过H官能引发剂与低级环氧烷的催化反应制备聚醚多元醇的方法,其中使用的催化剂是多金属氰化物,所用的H官能引发剂是丁烷-1,4-二醇, α-羟基-ω-羟基聚(氧丁烷-1,4-二基),戊烷-1,5-二醇,癸烷-1,10-二醇或这些化合物中的至少两种的混合物。

    PROCESS FOR THE PREPARATION OF POLYETHER ALCOHOLS FROM UNSATURATED STARTERS HAVING ACTIVE HYDROGEN ATOMS
    33.
    发明申请
    PROCESS FOR THE PREPARATION OF POLYETHER ALCOHOLS FROM UNSATURATED STARTERS HAVING ACTIVE HYDROGEN ATOMS 有权
    从具有活性氢原子的不饱和起动器制备聚醚醇的方法

    公开(公告)号:US20100216968A1

    公开(公告)日:2010-08-26

    申请号:US12681789

    申请日:2007-10-25

    IPC分类号: C08G65/26

    摘要: A process for the preparation of polyether alcohols by reacting at least one alkylene oxide with at least one unsaturated starter having at least one active hydrogen atom per molecule under basic catalysis, that the alkoxylation is carried out in at least two stages, in stage (I) the alkoxylation of the starter or starters being carried out with not more than 10 mol of alkylene oxide per mole of starter with a catalyst concentration of not more than 0.0085 mol of basic catalyst per mole and in stage (II) and the optionally following stages, the alkoxylated starter or starters from stage (I) being reacted with further alkylene oxide at a catalyst concentration of at least 0.01 mol of basic catalyst per mole of starter.

    摘要翻译: 通过在碱性催化下使至少一种烯化氧与至少一种具有至少一个活性氢原子的不饱和起始物在每个分子中反应来制备聚醚醇的方法,该烷氧基化在至少两个阶段中在阶段(I )起始物或起动器的烷氧基化作用,每摩尔起始物不超过10摩尔环氧烷烃,每摩尔催化剂浓度不大于0.0085摩尔碱性催化剂和(II)阶段和任选的后续阶段 ,来自阶段(I)的烷氧基​​化起始物或起始物与另外的烯化氧反应,每摩尔起始物的催化剂浓度为至少0.01摩尔碱性催化剂。

    Method for producing polyetherpolyols in the presence of a multi-metal cyanide complex catalyst
    36.
    发明授权
    Method for producing polyetherpolyols in the presence of a multi-metal cyanide complex catalyst 失效
    在多金属氰化物配合物催化剂存在下制备聚醚多元醇的方法

    公开(公告)号:US06673972B2

    公开(公告)日:2004-01-06

    申请号:US10169683

    申请日:2002-07-05

    IPC分类号: C07C4311

    摘要: Polyetherpolyols are prepared by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst by a process which is carried out in a vertical upright cylindrical reactor comprising a jet nozzle which is arranged in the upper reactor region and is directed downward and via which the starting materials and the reaction mixture are fed in, and comprising a take-off, preferably in the lower reactor region, via which the reaction mixture is fed back to the jet nozzle in an external circulation by means of a pump via an equilibration container, comprising a concentric guide tube which extends over the total length of the reactor, except for the reactor ends, and comprising a heat exchanger integrated in the annular space.

    摘要翻译: 聚醚多元醇通过二元醇或多元醇与环氧乙烷,环氧丙烷,环氧丁烷或其混合物在多金属氰化物配合物催化剂存在下反应来制备,该方法是在包括喷嘴的立式圆柱形反应器中进行的方法, 在上反应器区域中并且向下引导起始材料和反应混合物,并且优选在较低的反应器区域中包含起飞物料,反应混合物经反应器区域被反馈到喷嘴中 通过平衡容器通过泵的外部循环,包括在反应器的整个长度上延伸的同心引导管,除了反应器端部,并且包括集成在环形空间中的热交换器。

    One-step synthesis of double metal cyanides
    39.
    发明授权
    One-step synthesis of double metal cyanides 失效
    双金属氰化物的一步合成

    公开(公告)号:US06436867B1

    公开(公告)日:2002-08-20

    申请号:US09629692

    申请日:2000-08-01

    IPC分类号: B01J2726

    CPC分类号: B01J27/26 C08G65/2663

    摘要: An improved method for synthesizing a double metal cyanide (DMC) catalyst is disclosed. The method combines an aqueous solution of a first metal salt, such as ZnCl2, with an aqueous solution of a second metal salt, such as CoCl2, and with an aqueous solution of an alkali metal cyanide, such as KCN, in a single step to synthesize the DMC catalyst, Zn3[Co(CN)6]2.

    摘要翻译: 公开了一种合成双金属氰化物(DMC)催化剂的改进方法。 该方法将第一金属盐如ZnCl 2的水溶液与第二金属盐如CoCl 2的水溶液和碱金属氰化物如KCN的水溶液在一个步骤中结合, 合成DMC催化剂,Zn3 [Co(CN)6] 2。

    Multi-metal cyanide complexes as catalysts and their use in preparing polyetherpolyols
    40.
    发明授权
    Multi-metal cyanide complexes as catalysts and their use in preparing polyetherpolyols 有权
    多金属氰化物络合物作为催化剂及其在制备聚醚多元醇中的应用

    公开(公告)号:US06303833B1

    公开(公告)日:2001-10-16

    申请号:US09509515

    申请日:2000-03-29

    IPC分类号: C07C4311

    CPC分类号: B01J27/26 C08G65/2663

    摘要: A crystalline multimetal cyanide complex of the formula (I) M1a[M2(CN)bL1c]d*e(M1fXg)*hL2′iH2O  (I) where M1 is at least one element from the group consisting of Zn(II), Fe(II), Co(III), Ni(II), Mn(II), Co(II), Sn(II). Pb(II), Fe(III), Mo(IV), Mo(VI), Al(III), V(IV), V(V), Sr(II, W(IV), W(VI), Cu(II), and Cr(III), M2 is at least one element from the group consisting of Fe(II), Fe(III), Co(III), Cr(III), Mn(II), Mn(III), Ir(III), Rh(III), Ru(II), V(IV), V(V), Co(II) and Cr(II), L1 is at least one ligand from the group consisting of cyanide, carbonyl, cyanate, isocyanate, nitrile, thiocyanate and nitrosyl, X is a formate anion, an acetate anion or propionate anion, L2 is at least one water-miscible ligand from the group consisting of alcohols, aldehydes, ketones, ethers, polyethers, esters, urea derivatives, amides, nitriles and sulfides, a, b, c, d, e, f, g, h, i are integers, with a, b, c and d being chosen so that the electrical neutrality condition is satisfied, and f and g being chosen so that the electrical neutrality condition is satisfied, the X-ray diffiactogram of which shows reflections at particular d values, can be employed as catalyst.

    摘要翻译: 式(I)的结晶多金属氰化物络合物,其中M 1是由Zn(II),Fe(II),Co(III),Ni(II),Mn(II),Co(II)组成的组中的至少一种元素 ),Sn(II)。 Pb(II),Fe(III),Mo(IV),Mo(VI),Al(III),V(IV),V(V) (II),Fe(Ⅲ),Co(Ⅲ),Cr(Ⅲ),Mn(Ⅱ),Mn(Ⅲ)等元素中的至少一种元素, ,Ir(III),Rh(III),Ru(II),V(IV),V(V),Co(II)和Cr(II),L1是至少一种由氰化物,羰基 ,氰酸酯,异氰酸酯,腈,硫氰酸酯和亚硝酰基,X是甲酸根阴离子,乙酸根阴离子或丙酸根阴离子,L2是至少一种与醇,醛,酮,醚,聚醚,酯, 尿素衍生物,酰胺,腈和硫化物,a,b,c,d,e,f,g,h,i是整数,其中选择a,b,c和d,使得满足电中性条件, 被选择为使得电中性条件满足,其X射线衍射图示出特定d值的反射可用作催化剂。