BRIDGED METALLOCENE CATALYST HAVING SUBSTITUENT AT ALPHA POSITION

• Main Authors: LEE, BUN YEOL, OH, JAE SEUNG
• Format: Patent
• Language: English; Korean
• Published: 04.09.2003
• Edition: 7
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

PURPOSE: Provided is a bridged metallocene catalyst having a substituent at only alpha position. Also, provided are a synthesis method thereof and a polymerization method of olefin by using the same. CONSTITUTION: A metallocene compound is characterized by the formula(1), wherein M is transition metal of IVb group; Rs are the same or different hydrogen radicals, C1-20 alkyl radical, C1-20 alkenyl radical, C1-20 aryl radical, C1-20 alkyl aryl radical and C1-20 aryl alkyl radical; B is a bridge binding two of cyclopentadienyl ligands, each consisting of C1-4 alkylene radical, C1-C4 dialkyl silicone or germanium, C1-C4 alkylphosphine or amine; and Qs are the same or different halogen radical, C1-20 alkyl radical, C1-20 alkenyl radical, C1-20 aryl radical, C1-20 alkyl aryl radical, C1-20 aryl alkyl radical or C1-20 alkylidene radical.