POLYETHYLENE TEREPHTHALATE AND PRODUCTION THEREOF

PURPOSE: To obtain a resin little in oligomer formation causative of mold staining during molding by adding a specific metallic element in the step of esterification to the step of liq. phase polycondensation in preparation of polyethylene terephthalate and treating the product with water after soli...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOREISHI HIROSHI, HIRAOKA SHOJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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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