METHOD FOR PRODUCING A LIQUID FORMULATION OF TETRAPHENYLPHOSPHONIUM PHENOLATE

A catalyst formulation that is liquid at room temperature and that comprise tetraphenylphosphonium phenolate and phenol is disclosed. The catalyst formulation is suitable as a transesterification catalyst and most especially in the preparation of thermoplastic solvent-free polycarbonates.

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Bibliographische Detailangaben
Hauptverfasser:	PREIN, MICHAEL, KOENIG, ANNETT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM 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 CHEMISTRY 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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Beschreibung
Zusammenfassung:	A catalyst formulation that is liquid at room temperature and that comprise tetraphenylphosphonium phenolate and phenol is disclosed. The catalyst formulation is suitable as a transesterification catalyst and most especially in the preparation of thermoplastic solvent-free polycarbonates.