Supported metallocene catalyst system for olefin polymerization, method for making and using the same

The present invention relates to a supported catalyst system for olefin polymerization which comprises at least one metallocene component and a support of an inorganic oxide of silica, aluminum or a polymer containing hydroxyl groups. The support is modified with an organogermane and/or organotin co...

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Main Author ATIQULLAH MUHAMMAD,MOMAN AKHLAQ,AKHTAR MUHAMMAD NASEEM,ABU-RAQABAH ATIEH,PALACKAL SYRIAC J.,AL-SALEH MUHAMMAD A.,RAHMAN FAIZUR,IBRAHIM MUHAMMAD,KHAN JAVAID H
Format Patent
LanguageEnglish
Published 19.07.2006
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Summary:The present invention relates to a supported catalyst system for olefin polymerization which comprises at least one metallocene component and a support of an inorganic oxide of silica, aluminum or a polymer containing hydroxyl groups. The support is modified with an organogermane and/or organotin compound. The inventive catalyst system produces minimal reactor fouling, has excellent productivity and good hydrogen responsiveness. The present invention also relates to a process for preparing the catalyst system and to the slurry/suspension or gas-phase polymerization of olefins using the catalytic system, optionally with a small amount of aluminoxane cocatalyst.
Bibliography:Application Number: CN200480016535