METHOD FOR PRODUCING A POLYESTER TEREPHTHALATE INCORPORATING A DEPOLYMERIZATION METHOD

The invention relates to a process for producing a terephthalate polyester from at least one feedstock of polyester to be recycled, integrating a process of depolymerization, advantageously by glycolysis, of the polyester to be recycled in order to produce a diester intermediate compatible with the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Gauthier, Thierry, Thinon, Olivier
Format:	Patent
Sprache:	hrv ; eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING 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 SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a process for producing a terephthalate polyester from at least one feedstock of polyester to be recycled, integrating a process of depolymerization, advantageously by glycolysis, of the polyester to be recycled in order to produce a diester intermediate compatible with the specifications of the polymerization steps and comprising an optimized system for recycling the streams.