Abstract:Ethylene was polymerized with the catalytic systems Cp 2 ZrCl 2 /SiO 2 and Cp 2 ZrCl 2 /MAO/SiO 2 . A experimental planning model was developed in order to identify the best conditions for the preparation of metallocene heterogeneous catalysts. The variables used were methylaluminoxane (MAO) concentration of the support treatment, concentration and temperature of metallocene immobilization. The supported catalysts were analyzed by inductively coupled plasma emission spectometry and the polyethylene (PE) produc… Show more
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