FIELD: chemistry of polymers. SUBSTANCE: present invention describes process for preparation of hafnium and/or zirconium-containing catalyst or catalyst component on magnesium-containing carrier for polymerization of copolymerization of alpha- olefins. EFFECT: improved properties of the catalyst. 20 c, 2 tbl
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Authors
Dates
1998-01-27—Published
1993-07-26—Filed