REMOVAL OF RESIDUAL ACETALDEHYDE FROM POLYESTER POLYMER PARTICLES

In one embodiment, there is provided a process comprising introducing polyester polymer particles containing residual acetaldehyde into a vessel at a temperature within a range of 130° C. to 195° C. to form a bed of particles within the vessel, flowing a gas through at least a portion of the particl...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DEBRUIN, BRUCE ROGER, COLHOUN, FREDERICK LESLIE, EKART, MICHAEL PAUL, ARMENTROUT, RODNEY SCOTT
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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