半夹心稀土二胺基配合物的合成、结构及催化聚合性能的中期报告摘要：本文介绍了半夹心稀土二胺基配合物的合成、结构及催化聚合性能的中期研究成果。通过在NaBH4还原体系中反应，成功合成了三种稀土(Pr,Nd,Sm)半夹心二胺基配合物，并对其进行了结构表征。热重分析结果表明，这些配合物具有良好的热稳定性。进一步考察了这些配合物作为聚对苯二甲酸丁二醇酯(ＰＢＴ)聚合物催化剂的性能，结果表明，三种配合物均能有效催化ＰＢＴ聚合反应，并且表现出与商业化稀土催化剂相当的催化效率。关键词：稀土；半夹心；二胺基配合物；热稳定性；聚合反应；催化剂Abstract:Thispaperpresentsthemid-termresearchresultsofthesynthesis,structurecharacterization,andcatalyticpolymerizationperformanceofsemi-sandwichedrareearthdiaminecomplexes.Threerareearth(Pr,Nd,Sm)semisandwicheddiaminecomplexesweresuccessfullysynthesizedviareactioninNaBH4reductionsystem,andtheirstructureswerecharacterized.Theresultsofthermogravimetricanalysisshowedthatthesecomplexeshadgoodthermalstability.Furthermore,theperformanceofthesecomplexesascatalystsforthepolymerizationofpolybutyleneterephthalate(PBT)wasinvestigated.TheresultsdemonstratedthatallthreecomplexeswereeffectivecatalystsforPBTpolymerizationandexhibitedcatalyticefficiencycomparabletocommercialrareearthcatalysts.Keywords:rareearth;semi-sandwiched;diaminecomplex;thermalstability;polymerizationreaction;catalyst