12.
    发明专利
    未知

    公开(公告)号:DE19809538A1

    公开(公告)日:1999-09-09

    申请号:DE19809538

    申请日:1998-03-05

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing double metal cyanide compounds, comprising the following stages: a) reacting a solution of a metal salt of general formula M m(X)n with a solution of a cyanometallate compound of formula HaM (CN)b(A)c, M and M being metal cations, X and A each representing an anion and a, b, c, m and n being whole numbers selected to guarantee the electroneutrality of the particular salt and at least one of the two solutions containing at least one water-soluble organic ligand containing heteroatoms; b) combining the resulting suspension with a water-miscible ligand which can be the same as or different from the ligand used in a); and c) separating the double metal cyanide compound from the suspension. At least one of the educt solutions used in a) contains at least one inert inorganic or organic solid which is insoluble in the educts and end products.

    13.
    发明专利
    未知

    公开(公告)号:AT284427T

    公开(公告)日:2004-12-15

    申请号:AT00964106

    申请日:2000-09-05

    Applicant: BASF AG

    Abstract: The invention relates to polyether alcohols that are produced by a ring-opening polymerization of ethylene oxide and at least one alkylene oxide with at least 3 carbon atoms in the molecule to H-functional starting substances. The inventive method is further characterized in that ethylene oxide or a mixture of ethylene oxide and at least one alkylene oxide with at least 3 carbon atoms in the molecule with an ethylene oxide content of at least 98 %, based on the mixture, is added to the starting substance in an amount of maximally 40 % by weight, based on the weight of the polyether alcohol. At least one alkylene oxide with at least 3 carbon atoms in the molecule or a mixture of ethylene oxide and at least one alkylene oxide with at least 3 carbon atoms in the molecule and an ethylene oxide content of maximally 20 % by weight, based on the mixture, is added.

    PROCEDIMIENTO PARA LA OBTENCION DE POLIETERPOLIOLES.

    公开(公告)号:ES2219309T3

    公开(公告)日:2004-12-01

    申请号:ES00906216

    申请日:2000-01-21

    Applicant: BASF AG

    Abstract: Procedimiento para la obtención de poliéterpolioles mediante reacción catalítica de substancias iniciadoras H-funcionales con óxidos de alquileno inferiores escogidos del grupo, que contiene óxido de etileno, óxido de propileno, óxido de butileno, viniloxirano y mezclas, constituidas por al menos dos de estos compuestos, caracterizado porque se emplean como catalizadores compuestos de cianuro multimetálicos y como substancias iniciadoras H-funcionales para la polimerización de óxidos de alquileno mezclas, constituidas por butanodiol-1, 4 y otros iniciadores H- funcionales, mezclas, constituidas por -hidroxi-- hidroxipoli(oxi-1, 4-butanodiilo) y otros iniciadores H- funcionales, pentanodiol-1, 5 y otros iniciadores H- funcionales, decanodiol-1, 10 y otros iniciadores H- funcionales o mezclas, constituidas por butanodiol-1, 4, - hidroxi--hidroxipoli(oxi-1, 4-butanodiilo), pentanodiol- 1, 5 y/o decanodiol-1, 10 y otros iniciadores H- funcionales.

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