PURIFIED POLYALCOHOL AND ITS PREPARATION METHOD

PROBLEM TO BE SOLVED: To provide a method for preparing a purified polyalcohol having a reduced amount of components derived from a homogeneous metal catalyst. SOLUTION: In the method for preparing a polyalcohol by subjecting a polyketone to be obtained by copolymerizing carbon monoxide and an olefi...

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Hauptverfasser:	HASHIZUME KIYOSHIGE, MATSUMURA SHUNICHI
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for preparing a purified polyalcohol having a reduced amount of components derived from a homogeneous metal catalyst. SOLUTION: In the method for preparing a polyalcohol by subjecting a polyketone to be obtained by copolymerizing carbon monoxide and an olefin to hydrogenation reaction in the presence of a homogeneous metal catalyst and a solvent to hydrogenating the carbon-oxygen double bonds present in the polyketone, the solution containing a polyalcohol after the hydrogenation is brought into contact with a nonpolar solvent to remove components derived from the metal catalyst from the polyalcohol.