PROCESS FOR PURIFICATION OF DIPHENYL CARBONATE FOR THE MANUFACTURING OF HIGH QUALITY POLYCARBONATE

PROCESS FOR PURIFICATION OF DIPHENYL CARBONATE FOR THE MANUFACTURING OF HIGH QUALITY POLYCARBONATE

A process for purifying a diaryl carbonate, comprises introducing an aqueous stream to a diaryl carbonate stream that comprises a metal contaminant, wherein the aqueous stream reacts with the metal contaminant to form a precipitate; wherein introducing the aqueous stream to the diaryl carbonate stre...

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Hauptverfasser: NADAL, Sergio Ferrer, LYAKHOVYCH, Mykhaylo, FERNANDEZ, Ignacio Vic
Format: Patent
Sprache:eng ; fre ; ger
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator NADAL, Sergio Ferrer
LYAKHOVYCH, Mykhaylo
FERNANDEZ, Ignacio Vic
description A process for purifying a diaryl carbonate, comprises introducing an aqueous stream to a diaryl carbonate stream that comprises a metal contaminant, wherein the aqueous stream reacts with the metal contaminant to form a precipitate; wherein introducing the aqueous stream to the diaryl carbonate stream results in introducing 100 to 10,000 ppm water based on the total composition of the diaryl carbonate stream and the aqueous stream; removing the precipitate via one or both of a separation column and a filter to result in a purified diaryl carbonate.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title PROCESS FOR PURIFICATION OF DIPHENYL CARBONATE FOR THE MANUFACTURING OF HIGH QUALITY POLYCARBONATE
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