The melt strength and the melt index ratio of ethylene-based polyolefins are controlled by the lower alkyl substitution pattern of the bridged cyclopentadienyl ligands of metallocene polymerization catalyst precursor compounds.

 
Web www.patentalert.com

< "Constrained geometry" metallocenes, method for the production thereof and use of the same for the polymerisation of olefins

< Olefin polymerization catalysts containing a pyrrole bisimine ligand

> Catalyst composition and process for producing copolymer

> Method for the production of poly(3-hydroxyalkanoates) in the presence of a nucleophile

~ 00217