| 摘要 |
Complexed compounds of general formula (I a) to (I b): where M = Ti, Zr, Hf, V, Nb or Ta, method for production of the metal complexes and use of the complexes thus obtained for the polymerisation and co-polymerisation of olefins, for example, in suspension polymerisation methods, gas phase polymerisation methods and mass polymerisation methods.
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