Method of preparation of a catalytic system of the ziegler type, of polyethylene of continuation high the other using and polyethylene thus obtained.

摘要

Description of the preparation of a catalytic system of the ziegler type, by impregnating an alumina special with 0,8 to 1,0% of titanium, originating from a solution of titanium halide in the n - hexane, the activator used being triisobutylaluminium, or triethyl to a molar ratio al / ti of 2,5 / 1 to 80 / 1 within the catalyst. The catalytic system has an efficiency and a high yield, and allows the production of polyethylenes to the excellent physical and mechanical properties which make them particularly suitable for use in the industry of plastic materials.