Polymerization Publications

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"Reactivity of Secondary Metallocene Alkyls and the Question of Dormant Sites in Catalytic Alkene Polymerization", Clark R. Landis, Douglass R. Sillars and Jeanine M. Batterton, J. Am. Chem. Soc., 126, 8890-8891, (2004).  View PDF File

"Catalytic Propene Polymerization: Determination of Propagation, Termination, and Epimerization Kinetics by Direct NMR Observation of the (EBI)Zr(MeB(C₆F₅)₃)propenyl Catalyst Species," Douglass R. Sillars and Clark R. Landis, J. Am. Chem. Soc., 125, 9894-9895 (2003).   View PDF file

"Direct Observation of Insertion Events at rac-(C₂H₄(1-indenyl)₂)Zr(Me)(MeB(C₆F₅)₃)-Polymeryl Intermediates: Distinction between Continuous and Intermittent Propagation Modes," Clark R. Landis, Kimberly A. Rosaaen and Douglass R. Sillars, J. Am. Chem. Soc., 125, 1710-1711 (2003). View PDF file

"A rapid quenched-flow device for the study of homogeneous polymerization kinetics," Curtis B. White, Kimberly A. Rosaaen and Clark R. Landis, Rev. Sci. Instrum., 73, 411-415 (2002). View PDF file

"Heavy-Atom Kinetic Isotope Effects, Cocatalysts, and the Propagation Transition State for Polymerization of 1-Hexene Using the rac-(C₂H₄(1-indenyl)₂)ZrMe₂ Catalyst Precursor," Clark R. Landis, Kimberly A. Rosaaen and Jamal Uddin, J. Am. Chem. Soc., 124, 12062-12063 (2002). View PDF file

 "Direct observation of the propagating species in the (EBI)Zr(Me)(MeB(C₆F₅)₃)-catalyzed polymerization of 1-hexene," Clark R. Landis and Kimberly A. Rosaaen, Polym. Mater. Sci. Eng., 87, 41-43 (2002).

"Counterion influence on the kinetics of initiation, propagation, and termination for polymerization of 1-hexene as catalyzed by [rac-(C₂H₄(1-indenyl)₂)Zr(Me)]⁺ cations," Clark R. Landis, Zhixian Liu and Curtis B. White, Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.), 43, 301-302 (2002).

"Kinetics of initiation, propagation, and termination for the [rac-(C₂H₄(1-indenyl)₂)ZrMe][MeB(C₆F₅)₃]-catalyzed polymerization of 1-hexene," Zhixian Liu, Ekasith Somsook, Curtis B. White, Kimberly A. Rosaaen and Clark R. Landis, J. Am. Chem. Soc., 123, 11193-11207 (2001). View PDF file

  "A ²H-Labeling Scheme for Active-Site Counts in Metallocene-Catalyzed Alkene Polymerization," Zhixian Liu, Ekasith Somsook and Clark R. Landis, J. Am. Chem. Soc., 123, 2915-2916 (2001). View PDF file