PREPARATION METHOD FOR LACTIDE

The purpose of the present invention is to provide a preparation method of high purity lactide with high efficiency. The present invention relates to a preparation method of high purity lactide, comprising: a first heating and decompressing step of heating lactic acid to 160 to 180C and then decompr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PARK, HYUN WOO, BYUN, CHUN SIK, KIM, HA YOUNG, OH, CHANG HOON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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