Bridged bis-amino group 4 metal compounds in a catalyst composit

Details Bridged bis-amino group 4 metal compounds in a catalyst composit Bridged bis-amino group 4 metal compounds in a catalyst composit

1996-03-11

1998-03-10

Caldarola, Glenn

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

Catalyst or precursor therefor

Organic compound containing

502118, 502129, 502128, 502153, 502155, 502156, 502202, 502103, 526126, 526127, 526133, 526139, 556 22, 556 52, 556 56, 556 18, B01J 3100, B04J 3700, C08F 402, C08F 460

Patent

active

057261156

ABSTRACT:
A catalyst composition comprising a bis-amide compound represented by the formula ##STR1## wherein M is zirconium, hafnium or titanium; each N is a three coordinate nitrogen atom; each e is Si, Ge or Sn; each Z is, independently, a hydride or R; each R is, independently, a hydrocarbyl one or more carbon atoms of which may be substituted by an element selected from Si, O, P, N and S; L is a neutral Lewis base and m is a number from 0 to 2; or a dimer thereof and a second component. Preferably the second component is a compound anion is substantially non-coordinating under the reaction conditions and contains at least one boron atom. Also provided is a process for oligomerizing or co-oligomerizing alpha olefins in the presence of this catalyst composition.

REFERENCES:
patent: 5387568 (1995-02-01), Ewen et al.
patent: 5434115 (1995-07-01), Yamada et al.
D.J. Brauer et al., J. Organomet. Chem., vol. 150, pp. 215-231, May 1978.
U. Zucchini et al., J. Organomet. Chem., vol. 26, pp. 357-372, 1971.

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