PARTICULATE CATALYST AND CATALYST/STABILISER SYSTEMS FOR THE PRODUCION OF MOLECULAR HOMO- AND COPOLYESTERS OF L-, D- OR D,L-LACTIC ACID

The invention relates to a method for producing high-molecular-weight homopolyesters and copolyesters of L-, D- OR D, L-lactic acid, comprising the following steps: i) polycondensation of lactic acid or polytransesterification of esters thereof to form a polymer lactic acid, ii) cyclodepolymerisatio...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	RAFLER, GERALD, EDLAUER, ROBERT, WINDSPERGER, ANDREAS, RAFLER, JUTTA, GASS, JOSEF
Format:	Patent
Sprache:	eng ; fre
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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