Hafnocene Catalyst Compounds and Process for Use Thereof

This invention relates to hafnium metallocene compounds having a group substituted (preferably at the 3 position) on at least one cyclopentadienyl ring represented by the formula -R20-SiR′3 or -R20-CR′3 where R20 is a C1 to C4 hydrocarbyl (preferably methyl) and R′ is a C1 to C20 substituted or unsu...

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Bibliographic Details
Main Author McCullough, Laughlin G
Format Patent
LanguageEnglish
Published 23.08.2018
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:This invention relates to hafnium metallocene compounds having a group substituted (preferably at the 3 position) on at least one cyclopentadienyl ring represented by the formula -R20-SiR′3 or -R20-CR′3 where R20 is a C1 to C4 hydrocarbyl (preferably methyl) and R′ is a C1 to C20 substituted or unsubstituted hydrocarbyl.
Bibliography:Application Number: US201715852553