Sulfur-containing and sulfur-nitrogen-containing catalysts for polymerization of olefins and polar monomers
申请人:——
公开号:US20030171209A1
公开(公告)日:2003-09-11
The inventions disclosed herein are catalyst systems comprising a complex having one of the formulas LMX
1
X
2
and LML′ and an activating cocatalyst, and use of the catalyst system in polymerizing olefinic monomers. In either of the foregoing formulas, L is a chelating ligand containing sulfur donors; M is a transition metal selected from either copper, silver, gold, manganese, iron, cobalt, palladium or nickel; X
1
and X
2
are independently selected from either halides, hydride, triflate, acetate, borate, alkyl, alkoxyl, cycloalkyl, cycloalkoxyl, aryl, thiolate, carbon monoxide, cyanate or olefins; and L′ is a bidentate ligand selected from either dithiolene, dithiolate, diphosphine, bisimine, bispyridine, phenanthroline, oxolate, catecholate, thiolatoamide, thiolatoimine or thiolatophosphine.