| 摘要 |
A catalyst for the polymerisation and copolymerisation of 1-olefins is disclosed which comprises1) a late transition metal complex2) optionally an activating quantity of an activator compound, and3) a support which has been impregnated with titanium or aluminium, and calcined at a temperature of between 200° C. and 1000° C., said calcining being after impregnation in the case of aluminium.
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