IEC 94 |
| Tobin J. Marks, Chemistry, Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113 |
| Chemisorption upon metal oxide and halide surfaces can dramatically alter the reactivity of many transition metal hydrocarbyls. High activities for olefin polymerization and hydrogenation are two illustrative consequences. This lecture describes chemical and spectroscopic studies using designed organometallic molecules to probe the nature of the molecule-surface coordination chemistry and to understand the reasons for the enhanced reactivity. Such information leads to design rules for the synthesis and spectroscopic/crystallographic/catalytic characterization of functional ion-paired homogeneous phase organometallic models for the surface species. These latter studies lead to not only better understanding of the surface organometallic chemistry and catalysis, but also to better understanding of new classes of "multiple-site" homogeneous olefin polymerization catalysts in which olefin enchainment processes are markedly influenced by cooperative interactions between metal centers. Finally, this information can in turn be used to design next-generation homogeneous and supported catalysts and cocatalysts.
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E. V. Murphree Award in Industrial and Engineering Chemistry in Honor of Leo E. Manzer, sponsored by ExxonMobil Research and Engineering Co. and ExxonMobil Chemical Co.
8:15 AM-11:50 AM, Tuesday, March 25, 2003 Convention Center -- Room 393, Oral
Division of Industrial and Engineering Chemistry |