Metallocene Catalyzed Polymerization of Ethylene Using Silica Supported bis(terbutyl Cyclopentadienyl) Zr Cl2 Complex

摘要：

Silica supported and unsupported metallocene catalyst based on bis(terbutyl Cyclopentadienyl) ZrCl2 complex were used to polymerize ethylene. The Synthesized polyethylene was characterized using DSC, IR, and NMR tests. Results of NMR and DCS, and molecular weight determination show that the polymerization with supported catalyst leads to high molecular weight polyethylene with a more structured molecule compared with those obtained using unsupported metallocene catalyst. Also, comparison of activities of this catalyst with those metallocene catalysts reported in literature indicates that this catalyst becomes less active when it is immobilized.

关键词： Metallocene Polymerization Catalyst Silica Support Ethylene

作者: K.Shams A.Molazadeh V.Haddadi Asl

作者单位: Dept.of Chemical Engineering,Isfahan University of Technology,Isfahan 84156,Iran Namavaran Engineering Management,No.7 Shahid Khorasani St.,North Gheytarieh Ave.,Tehran,Iran Dept.of Polymer Engineering,Amir Kabir University of Technology,Tehran,Iran

会议类型: 国际会议

会议名称: 第四届亚洲过程系统工程会议暨2007年中国国际系统工程年会(The 4th International Symposium on Design,Operation & Control of Chemical Processes)(PSE ASIA 2007)

会议地点: 西安

会议语种:英文

在线出版日期: 2007-08-15（万方平台首次上网日期，不代表论文的发表时间）