Title:
OLEFIN POLYMERIZATION CATALYST AND METHOD FOR POLYMERIZING OLEFIN USING THE SAME
Document Type and Number:
Japanese Patent JP2002256017
Kind Code:
A
Abstract:
To provide an olefin polymerization catalyst which has industrially sufficient activity, and, controls the production of an oligomer and a swell ratio of a produce polyolefin.
The electron density of a chromium atom which is contained in an chromium oxide catalyst supported on a fireproof compound and activated by a heat treatment in a nonreducing atmosphere is controlled.
Inventors:
Hasebe, Koichi
Nozaki, Takashi
Nozaki, Takashi
Application Number:
JP2001000399481
Publication Date:
September 11, 2002
Filing Date:
December 28, 2001
Export Citation:
Assignee:
ASAHI KASEI CORP
International Classes:
C08F4/69; C08F10/00; C08F4/00; C08F10/00; (IPC1-7): C08F4/69; C08F10/00
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