Polyolefins are a multibillion dollar a year industry with worldwide production in excess of
160 billion pounds and polyethylene alone in excess of 100 billion pounds. Despite this size …

Many Schiff base complexes of metal ions show high catalytic activity. Chiral Schiff base
complexes are more selective in various reactions such as oxidation, hydroxylation, aldol …

The synthesis, characterization, and ethylene polymerization behavior of a series of iron and
cobalt halide complexes, LMX n (M= Fe, X= Cl, n= 2, 3, X= Br, n= 2; M= Co, X= Cl, n= 2) …

Conspectus For over 40 years following the polyolefin catalyst discoveries of Hogan and
Banks (Phillips) and Ziegler (Max Planck Institute), chemists traversed the periodic table …

A series of bis (imino) pyridyliron and‐cobalt complexes [{2, 6‐(CR= NAr) 2C5H3N}
MX2](R= H, Me; M Fe, Co; X= Cl, Br) 8‐16 containing imino‐aryl rings (Ar) with at least one …

A new series of iron catalysts bearing tridentate pyridine− bis (imine) ligands are reported for
the isospecific polymerization of propylene (PP). The catalytic activities are moderate, with …

The bis (imino) pyridine iron complex,[{2, 6-(MeC N-2, 6-i Pr2C6H3) 2C5H3N} FeCl2](1), in
combination with MAO and ZnEt2 (> 500 equiv.), is shown to catalyze polyethylene chain …

Highly active transition metal ethylene polymerization catalysts across the transition series
have been investigated for their ability to catalyze chain growth on zinc. In reactions of …

The chemistry of vanadium is reviewed in the view of the ability of this metal to act as a
catalyst for olefin homo-and co-polymerization. The unique ability of some vanadium …

After the discovery of single center metallocene catalysts in the 1980s highly stereoregular
syndiotactic polypropylene showing high crystallinity and melting temperature has been …