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US 2008/0293897 A1Published application
Magnesium Dichloride-Ethanol Adducts and Catalyst Components Obtained Therefrom
AssigneeBasell Poliolefine Italia S.r.l.
InventorsGianni Collina, Daniele Evangelisti, Mario Sacchetti
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Abstract
Adducts are provided comprising MgCl2, ethanol and a Lewis base (LB), said compounds being present in molar ratios defined by the following formula MgCl2.(EtOH)n(LB)p in which n is from 2 to 6 and p has values satisfying the following equation p/(n+p)≦0.1. The said adducts can be used as precursor in the preparation of high activity ZN catalysts.
Claims13
1-12. (canceled)
An adduct comprising MgCl2, ethanol and a Lewis base (LB) different from water, said adduct further comprising formula MgCl2.(EtOH)n(LB)p, wherein n is from 2 to 6 and p is p/(n+p)≦0.1.
Dependencies are inferred from the claim text.