C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/651 (2006.01) C08F 4/636 (2006.01) C08F 4/649 (2006.01) C08F 4/654 (2006.01) C08F 10/00 (2006.01)
Patent
CA 2527357
A process for preparing a catalyst component, comprising a Mg compound a Ti compound and an electron donor compound (ED) selected from alcohol, glycols, esters, ketones, amines, amides, nitriles, alkoxysilanes and aliphatic ethers as essential compounds, comprising two or more steps of reaction involving the use of at least one of said essential compounds as fresh reactant alone or in a mixture in which it constitutes the main component, said process being characterized by the fact that in the last of said one or more reaction steps the essential compound used as a fresh reactant is the ED compound.
L'invention concerne un procédé de préparation d'un composant catalyseur contenant comme composés essentiels un composé Mg, un composé Ti et un composé donneur d'électrons (ED) sélectionnés parmi les alcools, les glycols, les esters, les cétones, les amines, les amides, les nitriles, les alkoxysilanes et les esters aliphatiques, ledit procédé comprenant deux ou plusieurs étapes de réaction consistant à utiliser au moins un desdits composés essentiels comme réactif frais, seul ou dans un mélange dans lequel il est le composant principal, ledit procédé se caractérisant en ce que, dans la dernière desdites étapes de réaction, le composé essentiel utilisé comme réactif frais est le composé ED.
Dall'occo Tiziano
Morini Giampiero
Piemontesi Fabrizio
Spoto Rosa
Vincenzi Paolo
Basell Poliolefine Italia S.r.l.
Mccarthy Tetrault Llp
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