Title:
【発明の名称】ブロー成形用ポリエチレンの製造
Document Type and Number:
Japanese Patent JP2001510503
Kind Code:
A
Abstract:
A process for producing high density polyethylene suitable for blow moulding and having high environmental stress cracking resistance and rigidity copolymerising ethylene and an alpha-olefinic comonomer comprising from 3 to 10 carbon atoms, in the presence of a chromium-based catalyst, having an alumina-containing support, and an organoboron compound, wherein the atomic ratio of boron in the organoboron compound to the chromium in the chromium-based catalyst is from around 0.2 to around 0.4.
Inventors:
Debra, Gi
Bodall, Philip
Bodall, Philip
Application Number:
JP53377698A
Publication Date:
July 31, 2001
Filing Date:
February 09, 1998
Export Citation:
Assignee:
FINA RESEARCH SOCIETE ANONYME
International Classes:
C08F4/24; C08F4/69; C08F10/00; B29C49/00; C08F10/02; C08F210/16; (IPC1-7): C08F4/69; C08F10/02
Attorney, Agent or Firm:
Heiyoshi Odashima (1 person outside)