om5001343_si_002.cif (3.32 MB)
Ruthenium(IV) Complexes for Ethylene Insertion Polymerization
dataset
posted on 2014-04-28, 00:00 authored by Tobias Friedberger, Joseph
W. Ziller, Zhibin GuanThe
synthesis, characterization, and ethylene polymerization behavior
of novel RuIV(η3:η3-C10H16)(OPO) (OPO = bis(arenesulfonato)phosphine)
complexes is reported here. Upon activation with AlMe3-depleted
methylaluminoxane (dMAO), the Ru(IV) precursors were able to produce
polyethylene with activities up to 1182 h–1 turnover
frequency (TOF). The polymers were highly linear with a low degree
of branching (<12 methyl branches per 1000 C) and had high molecular
weights (up to Mp = 289 kg mol–1) with a bimodal molecular weight distribution. The polymerization
activity increased with decreasing donor strength of the OPO ligand.
