PROCESS FOR PREPARING BISPHENOL A (BPA) IN THE PRESENCE OF ALPHA-METHYLSTYRENE

The present invention relates to a process for preparing bisphenol A in the presence of alpha¬methylstyrene without poisoning the catalyst system comprising an ion exchange resin catalyst and a sulfur containing cocatalyst. Moreover, the present invention provides a process for preparing polycarbona...

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Bibliographische Detailangaben
Hauptverfasser:	UY, Jerico Jayson, SLUYTS, Erik
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a process for preparing bisphenol A in the presence of alpha¬methylstyrene without poisoning the catalyst system comprising an ion exchange resin catalyst and a sulfur containing cocatalyst. Moreover, the present invention provides a process for preparing polycarbonate. La présente invention concerne un procédé de préparation de bisphénol A en présence d'alpha-méthylstyrène sans empoisonnement du système de catalyseur comprenant un catalyseur de résine échangeuse d'ions et un cocatalyseur contenant du soufre. De plus, la présente invention concerne un procédé de préparation de polycarbonate.