[EN] MIXED CATALYST COMPOSITIONS FOR THE PRODUCTION OF POLYOLEFINS<br/>[FR] COMPOSITIONS DE CATALYSEUR MIXTE POUR LA PRODUCTION DE POLYOLEFINES
申请人:UNION CARBIDE CHEM PLASTIC
公开号:WO2003095508A2
公开(公告)日:2003-11-20
A solid, hydrocarbon insoluble catalyst composition comprising: A) a solid, particulated complex comprising moieties of at least magnesium, a Group 4 transition metal, and a halide; B) one or more α-amino-substituted- or α-imino- substituted- 2-alkylpyridine compounds; C) one or more organoaluminum cocatalyst compounds; D) optionally one or more internal electron donors; and E) optionally one or more selectivity control agents, a method of preparation and a method of use in polymerizing olefins is disclosed.