Abstract
Coordination compounds of titanium(IV) with OSO-type ligands have been prepared and characterized, and their catalytic activity in ethylene polymerization has been studied. It has been shown that in the presence of an {Et2AlCl + Bu2Mg} binary cocatalyst, the activity of the titanium-containing catalyst system reaches 1629 kgPE mol(Ti)−1 h−1 and leads to the preparation of ultrahigh-molecular-weight polyethylene (UHMWPE). The UHMWPE reactor powder has been processed by a solvent-free method to high-strength and high-modulus films (σ = 2.32 GPa, E = 125 GPa).
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