Preparation of lactone polyesters

An improved process for polymerization of lactones or mixtures of lactones in the presence of an initiator and a catalyst is disclosed wherein the initiator is an organic compound having at least one non-cyclic ester group and having no reactive hydrogen substituents. A polyester having blocked end...

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Bibliographische Detailangaben
Hauptverfasser:	SCHOEN, LOWHARDT A. A
Format:	Patent
Sprache:	eng
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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Beschreibung
Zusammenfassung:	An improved process for polymerization of lactones or mixtures of lactones in the presence of an initiator and a catalyst is disclosed wherein the initiator is an organic compound having at least one non-cyclic ester group and having no reactive hydrogen substituents. A polyester having blocked end groups is produced.