Homogeneous .alpha.-olefin dimerization catalysts

Details Homogeneous .alpha.-olefin dimerization catalysts Homogeneous .alpha.-olefin dimerization catalysts

1994-11-09

1996-03-19

Cross, E. Rollins

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

Catalyst or precursor therefor

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

502117, 502152, 585510, B01J 3138

Patent

active

055003982

ABSTRACT:
A new class of olefin dimerization catalysts and an efficient method for their preparation is disclosed. B(C.sub.6 F.sub.5).sub.3 reacts quantitatively with Group 4 metallocene type catalysts to yield highly reactive cationic complexes as follows:

REFERENCES:
patent: 5132262 (1992-07-01), Rieger et al.
patent: 5276238 (1994-01-01), Doyle
patent: 5281679 (1994-01-01), Jejelowo et al.
Yang et al. "Cation-like" Homogenous Olefin Polymerization Catalysts Based upon Zirconocene Alkylo and Tris(pentafluorophenyl)borane, J. Chem. Soc. 1991, 113, pp. 3623-3625.

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