Half-titanocene pre-catalysts for olefin polymerisation

This article is HOT as recommended by the referees.

The complexes helped produce polymers with narrow polydispersity and high molecular weights.

The complexes helped produce polymers with narrow polydispersity and high molecular weights.

Synthetic polymers are everywhere in modern life and offer multiple opportunities for future materials with a wide range of applications.  Using transition metal complex catalysts to precisely control olefin polymerisation is of current interest as they allow the synthesis of polyolefins with set microstructures.  Carl Redshaw, Wen-Hua Sun and colleagues have synthesised and fully characterised a series of half-titanocene dichloride 2-aryliminoquinolin-8-olates and tested them with modified methylaluminoxane co-catalysts in ethylene polymerisations and co-polymerisations.

Download the paper today to find out more, including how bulky substituents at the arylimino group of ligands modified the catalytic activities of the complexes:

Synthesis, characterization, and the ethylene (co-)polymerization behaviour of half-titanocene dichloride 2-aryliminoquinolin-8-olates
Wei Huang, Wenjuan Zhang, Wen-Hua Sun, Lin Wang and Carl Redshaw
Catal. Sci. Technol., 2012
DOI: 10.1039/C2CY20240A, Paper

Why not take a look at some other recent work from the team that we have published in Catalysis Science & Technology:

Nickel bis{4,6-dibenzhydryl-2-[(arylimino)methyl]phenoxylate} complexes: Synthesis, structures, and catalytic behaviour towards ethylene and norbornene
Zihong Zhou, Xiang Hao, Carl Redshaw, Langqiu Chen and Wen-Hua Sun
Catal. Sci. Technol., 2012,2, 1340-1345
DOI: 10.1039/C2CY20028G, Paper

Remember all Catalysis Science & Technology articles are currently free to access… sign up for free access now!

You might also find the 2009 Dalton Transactions themed issue on Metal-Catalysed Polymerisation interesting.

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