Phosphinimine/heteroatom catalyst component

Details Phosphinimine/heteroatom catalyst component Phosphinimine/heteroatom catalyst component

1999-06-09

2000-11-14

Wu, David W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526133, 526172, 526134, 526901, 5263486, 502103, 502117, 502150, C08F 416

Patent

active

061471720

ABSTRACT:
Organometallic complexes having a phosphinimine ligand, a (non-phosphinimine) heteroligand and at least one activatable ligand are catalyst components for olefin polymerization. Preferred polymerization systems are prepared by combining the organometallic complexes with an ionic activator and/or an alumoxane. Preferred catalyst components contain Ti, Zr or Hf and are activated with an ionic activator to provide ethylene polymerization catalysts.

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Synthesis of [(tmeda)LiCH.sub.2 PMe.sub.2 Li(tmeda)CH.sub.2 PMe.sub.2 ] (tmeda = tetramethyl-ethylenediamine) and of a Binuclear Zirconocene Phosphine Functionalized Ketene Complex, [(n-C.sub.5 H.sub.5).sub.2 CIZr(PMe.sub.2 CH.dbd.CO)ZrCl(n-C.sub.5 H.sub.5).sub.2 ] (Both Structurally Characterized), the Latter via Carbonylation of `[(n-C.sub.5 H.sub.5).sub.2 ZrCl(CH.sub.2 PMe.sub.2)]` L. M. Engelhardt, G. E. Jacobsen, C.L. Raston, and A. H. White J. Chem. Soc., Chem. Commun., 1984, pp. 220-224, Australia.
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