Economical, food-safe extraction of bisphenols

Methods for extracting bisphenols from polymer substrates are described. The methods include contacting the polymer substrate with an aqueous composition which includes a phase transfer agent, a base and optionally an oxidant, whereby the bisphenol is extracted into the aqueous composition. Suitable...

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Bibliographische Detailangaben
1. Verfasser:	ANDERSON KRAIG
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY CLEANING CLEANING IN GENERAL ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS METALLURGY PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	Methods for extracting bisphenols from polymer substrates are described. The methods include contacting the polymer substrate with an aqueous composition which includes a phase transfer agent, a base and optionally an oxidant, whereby the bisphenol is extracted into the aqueous composition. Suitable phase transfer agents are delineated. Also described are compositions which can be used in the present methods.