FIELD: chemistry.
SUBSTANCE: claimed invention relates to metal-organic compounds of transitive metal of formula (I) where M1, X, n, Z, R1 -R8 and A are such as they are determined in invention formula, to biscyclopentadienyl ligand systems, which have such substitution model, to catalyst systems, containing at least one of metal-organic compounds of transitive metal of claimed invention, to method of obtaining polyolefins by polymerisation or co-polymerisation of, at least, one olefin in presence of one of catalyst systems of claimed invention, to application of biscyclopentadienyl ligand systems of claimed invention for obtaining metal-organic compounds of transitive metal and to method of obtaining metal-organic compounds of transitive method using biscyclopentadienyl ligand systems.
EFFECT: obtaining ethylene-propylene co-polymers, which have high molecular weights, increase of impact resistance of propylene polymers.
10 cl, 3 tbl, 7 ex
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Authors
Dates
2009-07-27—Published
2004-12-06—Filed