852160-01-1Relevant articles and documents
PROCESS FOR PREPARING PROPYLENE COPOLYMERS COMPRISING C4-C12-ALPHA OLEFIN COMONOMER UNITS
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Page/Page column 55, (2020/01/10)
The present invention relates to a process for producing a copolymer of propylene, optionally ethylene, and at least one comonomer selected from alpha olefins having from 4 to 12 carbon atoms using a specific class of metallocene complexes in combination with a cocatalyst system comprising a boron containing cocatalyst and an aluminoxane cocatalyst, preferably in a multistage polymerization process including a gas phase polymerization step.
ORGANOMETALLIC TRANSITION METAL COMPOUND, BISCYCLOPENTADIENYL LIGAND SYSTEM, CATALYST SYSTEM AND PREPARATION OF POLYOLEFINS
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Page/Page column 40, (2010/02/12)
The present invention relates to organometallic transition metal compounds of the formula (I) where Mis an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides, the radicals X are identical or different and are each a