METAL HEXACYANOCOBALTATE NITROFERRICYANIDE COMPLEXES

Metal hexacyanocobaltate nitroferricyanide catalysts are active polymerization catalysts for alkylene oxides. These catalysts tend to have short induction periods, followed by rapid polymerization of alkylene oxides to polyethers. L'invention concerne des catalyseurs métalliques à base d'h...

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Hauptverfasser:	FLAGLER, KENDRA, L, LAYCOCK, DAVID, E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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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Zusammenfassung:	Metal hexacyanocobaltate nitroferricyanide catalysts are active polymerization catalysts for alkylene oxides. These catalysts tend to have short induction periods, followed by rapid polymerization of alkylene oxides to polyethers. L'invention concerne des catalyseurs métalliques à base d'hexacyanocobaltate et nitroferricyanure, lesquels sont actifs en tant que catalyseurs de polymérisation d'oxydes d'alkylène. Ces catalyseurs ont tendance à avoir des périodes d'induction courtes, suivies d'une polymérisation rapide des oxydes d'alkylène en polyéthers.