NON-CYCLOPENTADIENYL-BASED CHROMIUM CATALYSTS FOR OLEFIN POLYMERIZATION

• Main Authors: PATTON, JASSON T, ROMER, DUANE R, THERIAULT, CURT N, FROESE, ROBERT D, DE VRIES, TIMOTHY S, SZUROMI, ENDRE, MORAN, PAUL H, ROOF, GORDON R, CHRISTIANSON, MATTHEW D, WELSH, DEAN M, OBER, MATTHIAS S, SUN, LIXIN, WENZEL, TIMOTHY T
• Format: Patent
• Language: English; French
• Published: 15.11.2012
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

Provided is a non-cyclopentadienyl-based chromium-ligand complex, preferably a chromium-ligand complex of formula (J): LCr(RA)m(D)k (J), wherein L is a non-Cp monoanionic ligand; Cr (chromium) is in a formal oxidation state of +3 or +2; when Cr formally is Cr+3, either m is 1 and RA is hydrocarbylen...