COMPOSITE METAL CYANIDE COMPLEX CATALYST HAVING ORGANIC LIGAND, METHOD FOR PRODUCING THE SAME AND METHOD FOR PRODUCING POLYETHER POLYOL

To provide a process for producing, simply and with high reproducibility, a double metal cyanide complex catalyst having an organic ligand, which has a high catalytic activity, a small particle size and a high particle size uniformity. A process for producing a double metal cyanide complex catalyst...

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Hauptverfasser: SASAO, YASUYUKI, IKAI, SHIGERY, YAMADA, KAZUHIKO, YAMADA, KENJI, KADOWAKI, YOSHINOBU
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:To provide a process for producing, simply and with high reproducibility, a double metal cyanide complex catalyst having an organic ligand, which has a high catalytic activity, a small particle size and a high particle size uniformity. A process for producing a double metal cyanide complex catalyst having an organic ligand, comprising (a) a step of contacting an aqueous metal halide compound solution and an aqueous transition metal cyanide compound solution in a laminar flow state to obtain a liquid containing a double metal cyanide complex, and (b) a step of mixing the liquid containing a double metal cyanide complex, and an organic ligand, to obtain a dispersion containing a double metal cyanide complex catalyst having an organic ligand.