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Title: Metallocene catalyst containing bulky organic group

An ionic metallocene catalyst for olefin polymerization which comprises: (1) a cyclopentadienyl-type ligand, a Group IVB transition metal, and alkyl, aryl, or hydride substituents, as a cation, and (2) a weakly coordinating anion comprising boron substituted with halogenated, such as tetrafluoro-aryl substituents preferably containing silylalkyl substitution, such as para-silyl t-butyldimethyl.
Inventors:
; ;
Issue Date:
OSTI Identifier:
212597
Assignee:
Northwestern Univ., Evanston, IL (United States) PTO; SCA: 400201; PA: EDB-96:066497; SN: 96001565477
Patent Number(s):
US 5,502,017/A/
Application Number:
PAN: 8-209,669
Contract Number:
FG02-86ER13511
Resource Relation:
Other Information: PBD: 26 Mar 1996
Research Org:
Northwestern University
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; ALKENES; POLYMERIZATION; CATALYSTS; CHEMICAL COMPOSITION; TRANSITION ELEMENT COMPOUNDS; ORGANIC HALOGEN COMPOUNDS