Extraction of triethylamine in polycarbonate by the use of static mixers

This invention relates to a method for purifying a polycarbonate resin solution resulting from an interfacial polymerization process. More particularly, this invention provides for the use of at least one static mixer to facilitate separation of the catalyst used to prepare the polycarbonate from th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Zhu, Mingjie, Ko, Allen Wai-Yee
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This invention relates to a method for purifying a polycarbonate resin solution resulting from an interfacial polymerization process. More particularly, this invention provides for the use of at least one static mixer to facilitate separation of the catalyst used to prepare the polycarbonate from the polycarbonate resin solution. This invention relates to a method for purifying a polycarbonate resin solution resulting from an interfacial polymerization process. More particularly, this invention provides for the use of at least one static mixer to facilitate separation of the catalyst used to prepare the polycarbonate from the polycarbonate resin solution.