Polymerization kinetics of bicyclic olefins and mechanism with symmetrical ansa-metallocene catalysts associated with active center count: relationship between their activities and structure and activation path
Amjad Ali, Ahmad Naveed, Khurram Shehzad, Tariq Aziz, Tahir Rasheed, Jamile Mohammadi Moradian, Mobashar Hassan, Abdul Rahman, Zhiqiang Fan, Li Guo
Abstract
Copolymerization of ethylene (E) with 5-vinyl-2-norbornene (VNB) catalyzed by ansa-metallocenes allows the precise control of essential polymeric properties such as comonomer incorporation, molecular weight ( M w ), and polydispersity ( Đ ).
Topics & Concepts
MetalloceneCatalysisKineticsChemistryBicyclic moleculePost-metallocene catalystPolymerizationPolymer chemistryCenter (category theory)Medicinal chemistryOrganic chemistryCrystallographyPhysicsPolymerQuantum mechanicsOrganometallic Complex Synthesis and CatalysisCarbon dioxide utilization in catalysisSynthetic Organic Chemistry Methods