Week 1: A brief overview of transition metal/organometallic catalysts in industrially important processes with special focus on polyolefin industrial synthesis. Introduction to the most attractive class of catalysts based on Metallocene and Metal-carbene compounds; Structural variation with metal ions and ligands.
Week 2: Metallocene compounds: Synthesis, structural parameters, bonding, unique properties and reactivity; Evaluation of metallocene (Group 4 metals) catalysts in olefin polymerization.
Week 3: Understanding the polymerization mechanism; Choice and role of co-catalysts (aluminium and boron based); Strategic development of metallocene catalysts for tailored and high molecular weight LDPE, LLDPE, ethylene-α-olefin copolymers; Superiority over Ziegler-Natta catalysts.
Week 4: Controlling stereoregularity in polyolefin by Zr(IV)-metallocene catalysts: Designing and choice of ligands; Metallocene symmetry; Catalysts site control and chain end control mechanism; Correlation between symmetry of metallocene and stereo-regularity/microstructure/physical properties of the polyolefin.
Week 5: Supported metallocene catalysts for commercial process; Ti(IV) based constrained geometry catalysts for high molecular weight polyolefin: design, structure and mechanism; A brief discussion on dual role of metallocene catalysts in depolymerization - a highly demanding aspect at current time.
Week 6: Metal-carbene and alkylidene complexes - a unique class of organometallic compounds with M=C bond: Synthesis, structure, bonding, unique properties and reactivity.
Week 7: Metathesis reaction by metal carbene /alkylidene complexes (Ti, Mo, W, Ta, Ru) with special focus on ring-opening metathesis polymerization (ROMP) of cyclic olefins by Shrock’s and Grubbs’ catalysts; Concept and mechanism of polymerization.
Week 8: Discussion on development of living ROMP by Grubbs catalyst through a systematic approach; Role of ligands; Versatility of Grubbs’ catalysts and compatibility towards functional groups and ring-strain of monomer; Well-defined copolymers by Grubbs’ catalyst and industrial importance.