%0 Journal Article
%T Synthesisandstructuralstudiesofcopper(II)complexsupportedby-ONNO-tetradentateligand:Efficientcatalystforthering-openingpolymerizationoflactide
%A Anita Routaray
%A Nibedita Nath
%A Somanath Mantri
%A Tungabidya Maharana
%A Alekha Kumar Sutar
%J ´ß»¯Ñ§±¨
%P 764-770
%D 2015
%R 10.1016/S1872-2067(14)60293-X
%X £¿The-ONNO-tetradentateSchiffbaseligandN,N'-bis(2-hydroxy-3-methoxybenzaldehyde)benzene-1,2-diamine(HMBBD)hasbeensynthesized.Theligandwasattachedtocopper(Cu-HMBBD)inmethanolunderN2atmospheretogiveamononuclearcomplex.Thereactivityofthiscomplexinthering-openingpolymerization(ROP)oflactidehasbeenstudied.Thecomplexhasasquareplannergeometry,asdeterminedbyX-raydiffractionstudies.Thecoppercomplexishighlyactivetowardsthering-openingpolymerizationoflactide,andtherateofpolymerizationisheavilydependentontheinitiatorused.Thecoppercomplexallowscontrolledring-openingpolymerization,asshownbythelinearrelationshipbetweenthepercentageconversionandthenumberaveragemolecularweight.Basedontheliterature,amechanismfortheROPoflactidehasbeenproposed.
%K Ring-openingpolymerization
%K Lactide
%K Coppercomplex
%K Polylacticacid
%U http://www.chxb.cn/CN/abstract/abstract21561.shtml