Title:
【発明の名称】オレフィン重合用修飾担持触媒
Document Type and Number:
Japanese Patent JP2003511493
Kind Code:
A
Abstract:
A modified supported olefin polymerization catalyst modified by prepolymerization with an olefin or an olefin mixture different from the olefin or olefin mixture of the subsequent olefin polymerization. The polymerization catalyst is a metallocene, and the melting or softening point of the polyolefin made using the catalyst is at least 20° C. lower than that of the prepolymerized polyolefin.
Inventors:
Ernst, Eberhard
Roy Schner, Jans
Lottery, Pell, Tolstein
Sori, Kale-Arne
Roy Schner, Jans
Lottery, Pell, Tolstein
Sori, Kale-Arne
Application Number:
JP2001528461A
Publication Date:
March 25, 2003
Filing Date:
October 02, 2000
Export Citation:
Assignee:
Borealis Technology Oy
International Classes:
C08F2/00; C08F4/652; C08F4/6592; C08F10/00; C08F4/659; C08F110/02; C08F110/06; C08F210/06; (IPC1-7): C08F4/652; C08F10/06
Attorney, Agent or Firm:
Mitsuo Matsui