POLYETHER POLYMERIZATION PROCESS

Polyethers are prepared by polymerizing an alkylene oxide in the presence of a double metal cyanide catalyst complex and certain M5 metal or semi-metal compounds. The double metal cyanide catalyst complex contains 0 5 to 2 weight percent potassium. The ability of this catalyst system to tolerate suc...

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Bibliographic Details
Main Authors WHALEY, Curtis M, FISK, Jason S, BABB, David A, KUMBHALKAR, Mrunmayi, MURDOCH, Brian J, SHI, Haifeng
Format Patent
LanguageEnglish
French
German
Published 13.09.2023
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Polyethers are prepared by polymerizing an alkylene oxide in the presence of a double metal cyanide catalyst complex and certain M5 metal or semi-metal compounds. The double metal cyanide catalyst complex contains 0 5 to 2 weight percent potassium. The ability of this catalyst system to tolerate such high amounts of potassium permits the catalyst preparation procedure to be simplified and less expensive.
Bibliography:Application Number: EP20200711447