摘要
Thepolymerizationofethylenebytwoiron-basedcatalysts,{[2,6-ArN=C（Me）2C5H3N]FeCl2}（Ar=2,6-C6H3-Me21;2,6-C6Hv3（i-Pr）v2Ⅱ）hasbeeninvestigated.CatalystⅡproduceshighermolecularweightpolyethylene（PE）andbroadenedpolydispersitiesrelativetocatalystⅠunderanalogousconditionsandallpolymersarelinear.Thekineticprofileswithironcatalystsshowedasmoothpatternduringbothratebuild-upandratelowering,whicharedifferentfromthemetallocenecatalysts.ThepolymerizationactivityincreaseswithAl/Fevalueandanoptimumtemperaturerangeat40～45℃wasobserved.ThemolecularweightofPEdecreaseswiththeincreaseofAl/Feratioandriseofpolymerizationtemperature.
出版日期
2000年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
