Organometallic Catalysts and Olefin Polymerization

1. Front Matter

   Pages I-XII

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2. Group IV Catalysts and Cocatalysts

   1. Front Matter

      Pages 1-1

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   2. UV/VIS Studies on the Activation of Zirconocene-Based Olefin-Polymerization Catalysts

      • Ulrich Wieser, Hans-Herbert Brintzinger

      Pages 3-13

   3. Activation of Siloxy-substituted Compounds and Homopolymerisation of Ethylene by Different Soluble Alumoxane Cocatalysts

      • Kalle Kallio, Jyrki Kauhanen

      Pages 14-22

   4. Methylaluminoxane as a Cocatalyst for Olefin Polymerization. Structure, Reactivity and Cocatalytic Effect

      • Erling Rytter, Martin Ystenes, Jan L. Eilertsen, Matthias Ott, Jon Andreas Støneng, Jianke Liu

      Pages 23-36

   5. Olefin Polymerization under High-pressure: Formation of Super-high Molecular Weight Polyolefins

      • Noriyuki Suzuki, Yuji Masubuchi, Chikako Takayama, Yoshitaka Yamaguchi, Taira Kase, Takeshi Ken Miyamoto et al.

      Pages 37-45

   6. Higher-order Kinetics in Propene Polymerizations by Zirconocene Catalysts. Analysis of Alternative Reaction Mechanisms via a Genetic Algorithm

      • Frank Schaper, Hans-H Brintzinger, Ralph Kleinschmidt, Yolanda van der Leek, Mathias Reffke, Gerhard Fink

      Pages 46-62

   7. Structures of MAO: Experimental Data and Molecular Models According to DFT Quantum Chemical Simulations

      • Vladimir A. Zakharov, Ivan I. Zakharov, Valentina N. Panchenko

      Pages 63-71

   8. A DFT Study of Ethylene Polymerization by Zirconocene-boron Catalytic Systems

      • Ilya E. Nifant’ev, Leila Yu Ustynyuk, Dmitri N. Laikov

      Pages 72-85

   9. Activation Reactions of Cp₂ ZrCl₂ and Cp₂ ZrMe₂ with Aluminium Alkyl Type Cocatalysts Studied by in situ FTIR Spectroscopy

      • Jan L. Eilertsen, Erling Rytter, Martin Ystenes

      Pages 86-96

   10. Single Component Zirconocene Catalysts for the Stereospecific Polymerization of MMA

       • Holger Frauenrath, Helmut Keul, Hartwig Höcker

       Pages 97-108

   11. Modeling Methylaluminoxane (MAO)

       • E. Zurek, T. K. Woo, T. K. Firman, T. Ziegler

       Pages 109-123

3. Non Group IV Catalysts

   1. Front Matter

      Pages 125-125

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   2. Phosphinoalkyl-Substituted Cyclopentadienyl Chromium Catalysts for the Oligomerization of Ethylene

      • A. Döhring, V. R. Jensen, P. W. Jolly, W. Thiel, J. C. Weber

      Pages 127-136

   3. 1-Hexene Polymerization Initiated by α-Diimine [N,N] Nickel Dibromide / MAO Catalytic Systems : Influence of the α-Diimine Ligand Structure

      • Séverine Gomont, Sylvain Boissière, Alain Deffieux, Henri Cramail

      Pages 137-146

   4. 1,3,5-Triazacyclohexane Complexes of Chromium as Homogeneous Model Systems for the Phillips Catalyst

      • Randolf D. Köhn, Guido Seifert, Gabriele Kociok-Köhn, Shahram Mihan, Dieter Lilge, Heiko Maas

      Pages 147-155

   5. Rare Earth Half-Sandwich Catalysts for the Homo- and Copolymerization of Ethylene and Styrene

      • Jun Okuda, Stefan Arndt, Klaus Beckerle, Kai C. Hultzsch, Peter Voth, Thomas P. Spaniol

      Pages 156-165

4. Traditional Catalysts

   1. Front Matter

      Pages 167-167

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   2. The New Revolutionary Development Of Catalysis As The Driving Force For The Commercial Dynamic Success Of Polyolefins

      • P. Galli, G. Vecellio

      Pages 169-195

   3. Basic Approaches for the Design of Active Sites on the Traditional Ziegler Catalysts

      • Hiroyuki Kono, Mikio Tomisaka, Hitoshi Matsuoka, Boping Liu, Minoru Terano

      Pages 196-205

"Catalysis is more art than science", probably all of you have heard and even used this expression. Whether it is true or not, it alludes to the experience that new catalysts are hard to find, and near impossible to predict. Hard work and a lifetime of experience is invaluable. However, a keen mind might give insight into where to search, but not necessarily about where to find the answers. Historically, "quantum leaps" have often arisen from serendipity - we all know the story about the nickel-contaminated reactor that triggered further research towards the first coordination catalyst for ethene polymerization. Taking advan­ tage of this event, Karl Ziegler became the first chemist to earn both a Nobel prize and a fortune for the same invention. A broken NMR tube helped Walter Kaminsky discover the effect of high concentrations of methylaluminoxanes as co catalysts for metallocenes. When air reacted with the concentrated trim ethyl aluminum solution, sufficient amounts of methylaluminoxanes were formed, and the lazy catalyst dormant in the NMR tube suddenly became sensationally active. Ziegler and Kaminsky were lucky and had the genius needed to take advantage of their luck.

• Catalysts
• Chlor
• Ethen
• Katalyse
• Olefin
• Pentad
• Polymerisation
• Propen
• Synthese
• catalysis
• hydrogen
• polymer
• polymerization
• pressure
• synthesis

• Hydrocarbon Process Chemistry, Sintef Applied Chemistry, Oslo, Norway

  Richard Blom

• Borealis AS, Stathelle, Norway

  Arild Follestad

• Institute of Chemical Engineering, NTNU, Trondheim, Norway

  Erling Rytter

• Department of Chemistry, University of Oslo, Oslo, Norway

  Mats Tilset

• Department of Chemistry, NTNU, Trondheim, Norway

  Martin Ystenes

Policies and ethics