Salt-like chemical compound, its preparation and its use in catalyst systems for preparing polyolefins

摘要

A salt-like chemical compound of the formula (I), (C6R<1>5)3MR<2> (I) where R<1 >are identical or different and are each a hydrogen atom, a halogen atom, C1-C20-alkyl, C6-C14-aryl, C1-C10-alkoxy, C2-C10-alkenyl, C7-C20-arylalkyl, C7-C20-alkylaryl, C6-C10-aryloxy, C1-C10-haloalkyl, C6-C10-haloaryl, C2-C10-alkynyl or C3-C20-alkylsilyl, M is an element of main group III of the Periodic Table of the Elements, and R<2 >is a substituted or unsubstituted heterocycle, can be used in catalyst systems for preparing polyolefins.