METHOD FOR SEPARATING ORGANIC ZINC CATALYST USING FILTRATION MEMBRANE

The present invention relates to a method for separating an organic zinc catalyst dispersed in a polyalkylene carbonate resin solution by filtering the polyalkylene carbonate resin solution. When using the method for separating an organic zinc catalyst according to the resent invention, organic zinc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PARK, Seung Young, MIN, Kyung Min, SHIN, Sang Cheol, KIM, Sung Kyoung
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a method for separating an organic zinc catalyst dispersed in a polyalkylene carbonate resin solution by filtering the polyalkylene carbonate resin solution. When using the method for separating an organic zinc catalyst according to the resent invention, organic zinc catalyst particles are efficiently removed from a polyalkylene carbonate resin solution, so that a transparent, high-purity polyalkylene carbonate solution can be obtained.