Title:
【発明の名称】アルフア-オレフイン重合用触媒組成物
Document Type and Number:
Japanese Patent JP2557054
Kind Code:
B2
Abstract:
A catalyst composition for polymerizing alpha-olefins is prepared by reacting a transition metal compound, e.g., titanium, with trimethylaluminum catalyst activator. In a preferred embodiment, the catalyst is supported on a porous refractory support and is prepared by additionally reacting a magnesium compound or an organomagnesium composition with the support.Also disclosed is a process for polymerizing alpha-olefins in the presence of the catalyst of the invention. The polymer products have narrow molecular weight distribution, higher bulk density and produce films of greater strength than polymers prepared with similar catalysts utilizing different alkyl-aluminum activators, e.g., triethylaluminum and tri-isobutylaluminum.
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Inventors:
ROBAATO OORUZU HAGAATEI
RUAANE MARII AREN
RICHAADO OTSUTOO MOORINGU
RUAANE MARII AREN
RICHAADO OTSUTOO MOORINGU
Application Number:
JP1502087A
Publication Date:
November 27, 1996
Filing Date:
January 24, 1987
Export Citation:
Assignee:
MOBIL OIL
International Classes:
C08F4/60; C08F4/62; C08F4/638; C08F4/639; C08F4/64; C08F8/00; C08F10/00; C08F10/02; (IPC1-7): C08F4/638; C08F10/02
Domestic Patent References:
| JP5455092A | ||||
| JP5147990A | ||||
| JP5265791A | ||||
| JP58179209A | ||||
| JP61204A |
Other References:
【文献】米国特許3787384(US,A)
【文献】米国特許4212961(US,A)
【文献】米国特許4212961(US,A)
Attorney, Agent or Firm:
Kyozo Yuasa (5 people outside)