| http://www.w3.org/ns/prov#value | - In a preferred embodiment, the catalyst is used to polymerize C2-20 ??-olefins and mixtures thereof, particularly ethylene or propylene, most preferably ethylene, at a temperature within the range from 0??? C. to 220??? C., preferably 25??? C. to 160??? C. and at a pressure within the range from atmospheric to 6,900 kPa (1000 psig) preferably 100 kPa to 4,800 kPa (15 to 700 psig).
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