| abstract |
The present invention relates to a transition metal compound of the formula I n n L.sub.n (X.sub.m A.sub.t R.sup.1.sub.q).sub.s MY.sub.r (I), n n where n M is a metal atom of group IIIb, IVb, Vb or VIb of the Periodic Table of the Elements, n L are identical or different and are each a π-ligand or an electron donor, n is 1, 2, 3 or 4, n Y are identical or different and are each a hydrogen atom, a halogen atom or an 1-dentate C 1 -C 40 -group, where l is 1, 2, 3 or 4, r is 0, 1, 2, 3, 4 or 5, n and at least one of the radicals L bears at least one group X m A t R 1 q , where n X are identical or different and are each a hetero atom or a C 1 -C 40 -group, m is 0 or 1, n A is an atom of group IIIa, Va or VIa of the Periodic Table of the Elements, t is 1, n R 1 are identical or different and are each a C 1 -C 40 -group, q is 1, 2, 3, 4 or 5 and s is an integer from 1 to 20. n The transition metal compound of the invention is suitable as a catalyst component for olefin polymerization. |