CATALYST SYSTEM FOR POLYMERIZATION OF OLEFINS AND METHOD OF PREPARING POLYOLEFINS Russian patent published in 2000 - IPC

Abstract RU 2154069 C2

FIELD: chemical industry. SUBSTANCE: described is catalyst system comprising chromium-based catalyst component applied onto substrate, and cocatalyst selected from organoaluminium compounds. Substrate comprises silicon oxide, aluminium oxide and aluminium phosphate. Also described is method of preparing polyolefins. EFFECT: prevention of use of high concentration of comonomer, thus causing decreasing significantly density of polyethylene. 14 cl, 5 ex, 4 tbl

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RU 2 154 069 C2

Authors

Abel' Groszhan

Benua Kosh

Dates

2000-08-10—Published

1995-11-15—Filed