abstract |
A catalyst for the polymerisation and copolymerisation of 1-olefins is disclosednwhich comprisesn 1) a late transition metal complex 2) optionally an activating quantity of an activator compound, and 3) a support which has been impregnated with titanium or aluminium, and calcined atna temperature of between 200°C and 1000°C, said calcining being after impregnation innthe case of aluminium. |