Organometallic Catalysts and Olefin Polymerization: Catalysts for a New Millennium

Front Matter....Pages I-XII
Front Matter....Pages 1-1
UV/VIS Studies on the Activation of Zirconocene-Based Olefin-Polymerization Catalysts....Pages 3-13
Activation of Siloxy-substituted Compounds and Homopolymerisation of Ethylene by Different Soluble Alumoxane Cocatalysts....Pages 14-22
Methylaluminoxane as a Cocatalyst for Olefin Polymerization. Structure, Reactivity and Cocatalytic Effect....Pages 23-36
Olefin Polymerization under High-pressure: Formation of Super-high Molecular Weight Polyolefins....Pages 37-45
Higher-order Kinetics in Propene Polymerizations by Zirconocene Catalysts. Analysis of Alternative Reaction Mechanisms via a Genetic Algorithm....Pages 46-62
Structures of MAO: Experimental Data and Molecular Models According to DFT Quantum Chemical Simulations....Pages 63-71
A DFT Study of Ethylene Polymerization by Zirconocene-boron Catalytic Systems....Pages 72-85
Activation Reactions of Cp 2 ZrCl 2 and Cp 2 ZrMe 2 with Aluminium Alkyl Type Cocatalysts Studied by in situ FTIR Spectroscopy....Pages 86-96
Single Component Zirconocene Catalysts for the Stereospecific Polymerization of MMA....Pages 97-108
Modeling Methylaluminoxane (MAO)....Pages 109-123
Front Matter....Pages 125-125
Phosphinoalkyl-Substituted Cyclopentadienyl Chromium Catalysts for the Oligomerization of Ethylene....Pages 127-136
1-Hexene Polymerization Initiated by α-Diimine [N,N] Nickel Dibromide / MAO Catalytic Systems : Influence of the α-Diimine Ligand Structure....Pages 137-146
1,3,5-Triazacyclohexane Complexes of Chromium as Homogeneous Model Systems for the Phillips Catalyst....Pages 147-155
Rare Earth Half-Sandwich Catalysts for the Homo- and Copolymerization of Ethylene and Styrene....Pages 156-165
Front Matter....Pages 167-167
The New Revolutionary Development Of Catalysis As The Driving Force For The Commercial Dynamic Success Of Polyolefins....Pages 169-195
Basic Approaches for the Design of Active Sites on the Traditional Ziegler Catalysts....Pages 196-205
Surface Analytical Approaches for the Phillips Catalyst by EPMA and XPS....Pages 206-216
Main Kinetic Features of Ethylene Polymerization Reactions with Heterogeneous Ziegler-Natta Catalysts in the Light of Multi-Center Reaction Mechanism....Pages 217-228
Hydrogen Effects in Propylene Polymerization with Ti-Based Ziegler-Natta Catalysts. Chemical Mechanism....Pages 229-239
Elementary Steps of Ziegler-Natta Catalyst Intermediates Formation. Incorporation of Magnesium Alkoxides with [Ti(dipp) 4 ], Ph 3 SiOH, [AL(CH 3 ) 3 ], and MCL (3) 4 (M = V, Zr)....Pages 240-250
Front Matter....Pages 251-251
Mechanistic Aspects of Olefin Polymerization with Metallocene Catalysts: Evidence from NMR Investigations....Pages 253-266
Syndiotactic Specific Structures, Symmetry Considerations, Mechanistic Aspects....Pages 267-279
The Particularities of Isospecific Polypropylene Synthesis in Bulk with Ansa-metallocene Catalysts....Pages 280-288
Ethene Polymerization Catalyzed by Monoalkyl and Methyl Substituted Zirconocenes. Possible Effects of Reaction Barriers and Ligand-Metal Agostic Interactions....Pages 289-298
A Density Functional Theory Study of the Syndiotactic-Specific Polymerization of Styrene....Pages 299-306
Influence of Ligands on the Deactivation of Group IV Metallocene Catalysts in the High-Temperature Polymerization of Ethene....Pages 307-314
Front Matter....Pages 315-315
Correlations Between Chain Branching, Morphology Development and Polymer Properties of Polyethenes....Pages 317-326
Heterogenized Bifunctional Catalysts in Olefin Polymerization....Pages 327-334
Long-Chain Branched Polyethene via Metallocene-Catalysis: Comparison of Catalysts....Pages 335-345
New Half-Sandwich Titanocenes for the Polymerization of Butadiene....Pages 346-352
Metallocene Catalyzed Copolymerization of Propene with Mono- and Diolefins....Pages 353-364
A Comparison of the Behavior of Nickel/MAO Catalytic Systems in the Polymerization of Styrene and 1,3-Cyclohexadiene....Pages 365-374
Front Matter....Pages 375-375
Activity Limits of Heterogeneous Polymerization Catalysts....Pages 377-386
Reversibly Crosslinked Polystyrene as a Support for Metallocenes Part I: Covalently Bonded Metallocenes and Functionalized Supports....Pages 387-395
Reversibly Crosslinked Polystyrene as a Support for Metallocenes Part II: Non-Covalent Bonding for the Immobilization....Pages 396-403
An Intrinsic Defect of Slow Monomer Diffusion Theory for Explaining Broad MWDs....Pages 404-413
Prepolymerization and Copolymerization Studies Using Homogeneous and Silica-supported Cp 2 ZrCI 2 /MAO Catalyst Systems....Pages 414-426
Unique Flowability Behavior of Ethylene Copolymers Produced by a Catalyst System Comprising Ethylenebis(indenyl)hafnium Dichloride and Aluminoxane....Pages 427-433
Diffusion Measurements in Porous Polymer Particles....Pages 434-443