Bridged metallocenes catalyst for polymerization of olefins

Details Bridged metallocenes catalyst for polymerization of olefins Bridged metallocenes catalyst for polymerization of olefins

1998-06-12

2000-05-23

Wood, Elizabeth D.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502103, 502104, B01J 3100

Patent

active

060665882

ABSTRACT:
Bridged metallocenes of Group IVb metals provide improved results when the bridge comprises a neutral electron-donor substituent of general formula

REFERENCES:
patent: 5145819 (1992-09-01), Winter et al.
patent: 5243001 (1993-09-01), Winter et al.
patent: 5486585 (1996-01-01), Murata et al.
patent: 5646083 (1997-07-01), Van Beck
patent: 5814574 (1998-09-01), McNally
Halterman, Ronald L., Synthesis and Applications of Chiral Cyclopentadienylmetal Complexes, Chemical Review, vol. 92, pp. 965-994, 1992.
"Stereospecific Olefin Polymerization with Chiral Metallocene Catalysts", H.H. Brintzinger et al, Angew, Chem. Int. Ed. Engl., vol. 34, p.1143-1170, 1995.
"Synthesis and Applications of Chiral Cyclopentadienylmetal Complexes, R. L. Halterman; Chem. Rev. vol. 92, p. 965-994 (1992)".

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