CONTINUOUS GLYCOLIDE-L-LACTIDE COPOLYMER PRODUCTION PROCESS DEVELOPMENT

The present invention is directed to continuous reaction processes for preparing a glycolide/L-lactide copolymer formulation by continuously introducing glycolide monomer, L-lactide monomer, initiator and optionally a catalyst into at least one continuous reactor vessel under dry nitrogen environmen...

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Hauptverfasser:	SENOZ, Erman, WISNUDEL, Marc Brian, ANDJELIC, Sasa
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator	SENOZ, Erman WISNUDEL, Marc Brian ANDJELIC, Sasa
description	The present invention is directed to continuous reaction processes for preparing a glycolide/L-lactide copolymer formulation by continuously introducing glycolide monomer, L-lactide monomer, initiator and optionally a catalyst into at least one continuous reactor vessel under dry nitrogen environment, wherein the monomers, initiator, and optional catalyst are mixed at a first lower temperature and then transferred to a second continuous reactor operating at a second higher temperature, and then exothermally reacting and maintaining at a steady state, the blend of glycolide monomer, lactide monomer, initiator and optional catalyst to produce a PLGA copolymer reaction product.
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subjects	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
title	CONTINUOUS GLYCOLIDE-L-LACTIDE COPOLYMER PRODUCTION PROCESS DEVELOPMENT
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