PROCEDIMIENTO PARA LA ACTIVACION DE COMPUESTOS BIMETALICOS DE CIANURO.

    公开(公告)号:ES2266799T3

    公开(公告)日:2007-03-01

    申请号:ES03714732

    申请日:2003-02-06

    Applicant: BASF AG

    Abstract: Procedimiento para la conversión de epóxidos con un compuesto de partida en presencia de un compuesto bimetálico de cianuro como catalizador con período de inducción reducido, que comprende al menos las etapas (1) y (2) (1) activación del compuesto bimetálico de cianuro mediante la adición del epóxido a una mezcla formada por el compuesto bimetálico de cianuro y el compuesto de partida, siendo la presión interna del reactor menor que 1 bar (a), (2) polimerización de un epóxido en presencia de un compuesto bimetálico de cianuro activado según la etapa (1), añadiéndose al menos el 5% de la cantidad total del epóxido empleado en el procedimiento a una presión interna del reactor menor que 1 bar (a).

    35.
    发明专利
    未知

    公开(公告)号:PT1259561E

    公开(公告)日:2004-12-31

    申请号:PT01925342

    申请日:2001-02-20

    Applicant: BASF AG

    Abstract: A process for preparing polyether polyols includes a precipitation step, a recrystallization step, and a reaction step. In the precipitation step, a multimetal cyanide compound is precipitated by reaction of a metal salt with a cyanometalate compound. In the recrystallization step, the multimetal cyanide compound precipitated above is recrystallized by adding further metal salt and/or further cyanometalate compound. The recrystallization forms a multimetal cyanide catalyst compound. In the reaction step, an initiator and one or more alkylene oxide are reacted in the presence of the multimetal cyanide catalyst compound.

    METHOD FOR PRODUCING ALKOXYLATED PRODUCTS AT OPTIMIZED REACTION PRESSURES

    公开(公告)号:AU2003229726A1

    公开(公告)日:2004-05-04

    申请号:AU2003229726

    申请日:2003-04-25

    Applicant: BASF AG

    Abstract: Producing alkoxylate, comprising contacting an ethylene oxide (EO)-containing alkylene oxide mixture with a starter compound in the presence of a binary metal cyanide compound (I) by using a total inert gas and EO pressure of 1.5-6.0 bar in the induction phase, is new. Alkoxylate production by contacting an ethylene oxide (EO)-containing alkylene oxide mixture with a starter compound in the presence of a binary metal cyanide compound of formula (I) comprises using a total inert gas and EO pressure of 1.5-6.0 bar in the induction phase. M1a(M2(CN)b(A)c)d.fM1gXn.h(H2O).eL.kP (I). M1 = Zn2+, Fe2+, Fe3+, Co3+, Ni2+, Mn2+, Co2+, Sn2+, Pb2+, Mo4+, Mo6+, Al3+, V4+, V5+, Sr2+, W4+, W6+, Cr2+, Cr3+, Cd2+, Hg2+, Pd2+, Pt2+, V2+, Mg2+, Ca2+, Ba2+, Cu2+, La3+, Ce3+, Ce4+, Eu3+, Ti3+, Ti4+, Ag+, Rh2+, Rh3+, Ru2+ or Ru3+; M2 = Fe2+, Fe3+, Co3+, Mn2+, Mn3+, V4+, V5+, Cr2+, Cr3+, Rh3+, Ru2+ or Ir3+; A, X = halide, hydroxide, sulfate, carbonate, cyanide, thiocyanate, isocyanate, cyanate, carboxylate, oxalate, nitrate, nitrosyl, bisulfate, phosphate, (di)hydrogen phosphate or bicarbonate; L = a water-soluble alcohol, aldehyde, ketone, ether, polyether, ester, polyester, polycarbonate, urea, amide, amine, pyridine, nitrile, sulfide, phosphide, phosphite, phosphine, phosphonate or phosphate ligand; k, e, f, h = 0 or more; P = an organic additive; and a, b, c, d, g, n = numbers such that (I) is electrically neutral and c can be zero. An Independent claim is also included for an alkoxylate produced as above.

Patent Agency Ranking