| abstract |
Catalyst for the preparation of polyetherols by ring-opening polymerization of alkylene oxides, characterized in that one or more compounds of the type DOLLAR A M'¶a¶M''¶b¶ (OH) ¶c¶ O¶d¶ * A¶e¶ * L¶f¶ (I), DOLLAR A where DOLLAR AM 'is at least one metal ion selected from Groups IA, IIA and Ni or Zn, and mixtures thereof, DOLLAR A M' 'is at least one metal ion selected from Groups IIIA, IVA, IB to VIIIB and As, Sb and Bi, and mixtures thereof, DOLLAR AA is at least a monovalent or polyvalent, inorganic or organic anion, DOLLAR AL is an inorganic or organic ligand, DOLLAR A where DOLLAR A a is a rational number, DOLLAR A b, c, d, e, f rational numbers greater than or equal to zero, DOLLAR A c and d must not be zero at the same time, DOLLAR A a, b, c, d, e and f are chosen so that the electroneutrality of the compound is guaranteed, DOLLAR A characterized in that the connection ngen (I) applied to solid inert carriers or introduced into them or formed into moldings. |