PROCEDE D'OBTENTION D'UN CATALYSEUR POUR LA POLYMERISATION DES ALPHA-OLEFINES

An olefin polymerization catalyst component is obtained by halogenating a magnesium compound of the formula MgR min R sec wherein R min is an alkoxideoraryloxidegroup and R sec is an alkoxide or aryl-oxide group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon,...

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Bibliographische Detailangaben
Hauptverfasser: JOB ROBERT,US, NOZAKI KENZIE,US
Format: Patent
Sprache:fre ; rum
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Zusammenfassung:An olefin polymerization catalyst component is obtained by halogenating a magnesium compound of the formula MgR min R sec wherein R min is an alkoxideoraryloxidegroup and R sec is an alkoxide or aryl-oxide group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon, and contacting the halogenated product with thionylchloride or an acid halide and a tetravalent titanium compound.