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|標題:||Synthesis, characterization and catalytic activity of magnesium and zinc aminophenoxide complexes: Catalysts for ring-opening polymerization of L-lactide||作者:||Chuang, H.J.
|關鍵字:||alkoxide-initiated polymerizations;chain-end control;epsilon-caprolactone;racemic lactide;stereoselective polymerization;efficient catalysts;coordination polymerization;immortal;polymerization;aluminum complexes;drug-delivery||Project:||Dalton Transactions||期刊/報告no：:||Dalton Transactions, Volume 40, Issue 37, Page(s) 9601-9607.||摘要:||
A series of novel magnesium and zinc aminophenoxide complexes were successfully synthesized and one zinc complex was characterized by X-ray crystallography. They were also investigated as initiators for the ring opening polymerization of L-lactide. The complexes are effective in forming polylactides with good conversions. The nature and steric bulk of the ligands coordinated to the central metal ions enormously influenced the polymer properties. Among all the complexes, the zinc aminophenoxide complexes as initiators produced polymers with good molecular weight control and relatively narrow PDIs.
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