| abstract |
The invention relates to a method for copolymerising ethylene or propylene with each other or with other olefinically unsaturated compounds in the presence of a catalyst system containing the following components: A) a complex of a transition metal with one or two substituted or unsubstituted 1,3,5-triazacyclohexane ligands or corresponding ligands in which one or more nitrogen ring atoms are replaced by phosphorus or arsenic atoms and B) optionally, one or more activator compounds. |