Title:
INTERNAL AND EXTERNAL DONOR COMPOUNDS FOR OLEFIN POLYMERIZATION CATALYSTS II
Document Type and Number:
WIPO Patent Application WO/2011/106480
Kind Code:
A3
Abstract:
The present invention relates to catalyst systems containing solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound having at least one ether group and at least one ketone group; organoaluminum compounds and alkyl benzoate derivatives as external electron donors. The present invention also relates to methods of making the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
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Inventors:
CHANG MAIN (US)
Application Number:
PCT/US2011/025997
Publication Date:
January 19, 2012
Filing Date:
February 24, 2011
Export Citation:
Assignee:
BASF CORP
CHANG MAIN (US)
CHANG MAIN (US)
International Classes:
C08F4/654; C08F4/642; C08F210/00
Foreign References:
| US20090286672A1 | 2009-11-19 | |||
| US4952649A | 1990-08-28 | |||
| US6887817B2 | 2005-05-03 | |||
| US4530983A | 1985-07-23 |
Other References:
See also references of EP 2539375A4
Attorney, Agent or Firm:
BROWN, Melanie et al. (100 Campus DriveFlorham Park, NJ, US)
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