Double metal cyanide complex catalyst for ring opening polymerization of alkylene oxide and its production process

A process for producing a double metal cyanide complex catalyst for ring opening polymerization of alkylene oxide, which comprises subjecting a substantially crystalline double metal cyanide compound to a contact treatment by heating at from 45 to 125 DEG C with an aqueous solution containing an org...

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Bibliographic Details
Main Authors SUGIYAMA, KAYOKO, IGAI, SHIGERU
Format Patent
LanguageEnglish
Published 21.06.2004
Edition7
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:A process for producing a double metal cyanide complex catalyst for ring opening polymerization of alkylene oxide, which comprises subjecting a substantially crystalline double metal cyanide compound to a contact treatment by heating at from 45 to 125 DEG C with an aqueous solution containing an organic ligand and a metal salt, and then separating the resulting solid from the obtained slurry.
Bibliography:Application Number: TW20020118931