Late-metal catalysts for ethylene homo-and copolymerization

SD Ittel, LK Johnson, M Brookhart - Chemical Reviews, 2000 - ACS Publications
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 …

Cocatalysts for metal-catalyzed olefin polymerization: activators, activation processes, and structure− activity relationships

EYX Chen, TJ Marks - Chemical Reviews, 2000 - ACS Publications
One of the most exciting developments in the areas of catalysis, organometallic chemistry,
and polymer science in recent years has been the intense exploration and …

Synthesis of branched polyethylene using (α-diimine) nickel (II) catalysts: influence of temperature, ethylene pressure, and ligand structure on polymer properties

DP Gates, SA Svejda, E Oñate, CM Killian… - …, 2000 - ACS Publications
Detailed investigations of the polymerization of ethylene by (α-diimine) nickel (II) catalysts
are reported. Effects of structural variations of the diimine ligand on catalyst activities …

Mechanistic Studies of Pd(II)−α-Diimine-Catalyzed Olefin Polymerizations1

DJ Tempel, LK Johnson, RL Huff… - Journal of the …, 2000 - ACS Publications
Mechanistic studies of olefin polymerizations catalyzed by aryl-substituted α-diimine− Pd (II)
complexes are presented. Syntheses of several cationic catalyst precursors,[(N∧ N) Pd …

Cationic nickel and palladium complexes with bidentate ligands for the C C linkage of olefins

S Mecking - Coordination Chemistry Reviews, 2000 - Elsevier
Cationic complexes of late transition metals with multidentate ligands have recently been
found to catalyze various novel homo-and copolymerization reactions of olefins. In this …

Pyridinylimine-based nickel (II) and palladium (II) complexes: preparation, structural characterization and use as alkene polymerization catalysts

TV Laine, U Piironen, K Lappalainen, M Klinga… - Journal of …, 2000 - Elsevier
Preparation of four dimeric nickel (II) complexes and three monomeric palladium (II)
complexes bearing didentate pyridinylimine ligands is described. The solid-state structures …

New C2v- and Chiral C2-Symmetric Olefin Polymerization Catalysts Based on Nickel(II) and Palladium(II) Diimine Complexes Bearing 2,6-Diphenyl Aniline …

M Schmid, R Eberhardt, M Klinga, M Leskelä… - …, 2001 - ACS Publications
Four new 1, 4-diaza-2, 3-dimethylbutadiene ligands (Ar− NC (CH3)−(H3C) C NAr; Ar: 3a= 2,
6-diphenylphenyl; 3b= 2, 6-di (4-OCH3-phenyl) phenyl; 3c= 2, 6-di (4-tert-butyl-phenyl) …

Polymerization of α-olefins using a camphyl α-diimine nickel catalyst at elevated temperature

J Liu, D Chen, H Wu, Z Xiao, H Gao, F Zhu… - Macromolecules, 2014 - ACS Publications
Chiral (1 S)-and (1 R)-camphyl α-diimine nickel complexes were synthesized respectively
with (1 S)-(+) camphorquinone and (1 R)-(−) camphorquinone as raw reagents and used as …

Palladium (II) β-agostic alkyl cations and alkyl ethylene complexes: investigation of polymer chain isomerization mechanisms

LH Shultz, DJ Tempel, M Brookhart - Journal of the American …, 2001 - ACS Publications
A series of stable dialkyl complexes of Pd,(α-diimine) PdR2 (α-diimine= aryl-substituted
diimine, R= n-Pr, n-Bu, i-Bu), have been prepared via Grignard alkylation of the …

Polymerization of ethylene with new diimine complexes of late transition metals

TV Laine, K Lappalainen, J Liimatta… - Macromolecular …, 1999 - Wiley Online Library
Three pyridylimine based complexes of NiII and CoII were reacted with methylaluminoxane
(MAO) and tested as catalysts in ethylene polymerization. The two nickel catalysts produced …