Patent ID: 8367787
Filing Date: 2013-02-05
Classification: C08F,Y02P

Abstract:
1. A process for preparing a polyethylene copolymer, which comprises: supplying ethylene monomer; supplying hexene monomer; forming butene in situ and copolymerizing ethylene monomer, hexene monomer and the butene monomer formed in situ in the presence of a catalyst system comprising: having a mole ratio of meso to racemic forms of the metallocene of at least 1:3, wherein each Ind is the same or different, and is indenyl or substituted indenyl, wherein R″ is an ethylene bridge that is substituted or unsubstituted, and wherein the cyclopentadienyl ring of at least one of the indenyls is unsubstituted without regard to the bridge R″, wherein M is a Group IV metal or vanadium, and wherein each Q is a hydrocarbyl having 1 to 20 carbon atoms or a halogen, and wherein the process is a solution polymerization process or a slurry process; and recovering said polyethylene.