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Nova Chemicals Corp
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Nova Chemicals Corp
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Application filed by Nova Chemicals CorpfiledCriticalNova Chemicals Corp
Publication of CA2267939A1publicationCriticalpatent/CA2267939A1/en
Application grantedgrantedCritical
Publication of CA2267939CpublicationCriticalpatent/CA2267939C/en
The present invention provides a novel process for preparing a catalyst, preferably free of electron donor, useful in gas phase polymerization of olefins having a broad polydispersity. The catalyst is prepared by contacting a dehydrated silica support with a first alkylaluminum compound, an organic chloride, a second alkylaluminum compound and an alkylmagnesium compound, and a source of titanium.
CA 22679391998-05-121999-04-06Chloride process for making catalyst
Expired - LifetimeCA2267939C
(en)
Catalytic solid useful for the stereospecific polymerization of alpha-olefins, process for their preparation and process for alpha-olefin polymerization in presence of said solid