Catalyst for coupling reaction of annular carbonic acid esters and organic dibasic acid ester

The invention relates to a catalyst for coupling annular carbonates and organic dibasic acid ester to prepare alkyl carbonate and polyester, wherein said catalyst is metal acetate, alkali metal compound, organic tin compound and Al-Mg hydrotalcite; the mol ration between annular carbonates and organ...

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Bibliographische Detailangaben
1. Verfasser:	GONGYING,ZHANG WANG
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a catalyst for coupling annular carbonates and organic dibasic acid ester to prepare alkyl carbonate and polyester, wherein said catalyst is metal acetate, alkali metal compound, organic tin compound and Al-Mg hydrotalcite; the mol ration between annular carbonates and organic dibasic acid ester is 1:0.2-5; the mass density of said catalyst is 0.01-10%; and the reaction temperature is 200-290Deg. C.