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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 tetra fluoro, aryl substituents preferably containing silylalkyl substitution, such as para-silyl t-butyldimethyl.
Inventors:
 [1];  [2];  [1]
  1. (Evanston, IL)
  2. (Chicago, IL)
Issue Date:
OSTI Identifier:
870353
Assignee:
Northwestern University (Evanston, IL) CHO
Patent Number(s):
US 5502017
Application Number:
08/209,669
Contract Number:
FG02-86ER13511
Research Org:
Northwestern University
Country of Publication:
United States
Language:
English
Subject:
metallocene; catalyst; containing; bulky; organic; ionic; olefin; polymerization; comprises; cyclopentadienyl-type; ligand; ivb; transition; metal; alkyl; aryl; hydride; substituents; cation; weakly; coordinating; anion; comprising; boron; substituted; halogenated; tetra; fluoro; preferably; silylalkyl; substitution; para-silyl; t-butyldimethyl; comprising boron; preferably contain; olefin polymerization; transition metal; catalyst containing; metallocene catalyst; weakly coordinating; preferably containing; olefin polymer; coordinating anion; /502/

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