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Title:
CATALYST SYSTEM FOR ETHYLENE POLYMERIZATION OR COPOLYMERIZATION, MANUFACTURE, ETHYLENE POLYMERIZATION OR COPOLYMERIZATION AND PRODUCTS THEREFROM
Document Type and Number:
Japanese Patent JPS63304007
Kind Code:
A
Abstract:
Catalyst system, suitable for the (co)polymerization of ethylene and optionally minor amounts of 1-alkenes and/or dienes at a temperature of at least 180 &loz& C, to be prepared by combining at least two components A and B, which components comprise: A : one or more titanium compounds, one or more vanadium compounds, one or more aluminium compounds, one or more magnesium compounds and optionally one or more halogen compounds, in such amounts that the atomic ratio of magnesium to the sum of titanium and vanadium is between 0 and 10, the atomic ratio of aluminium to the sum of titanium and vanadium is at least 3, the atomic ratio of aluminium to magnesium is at least 1, and the atomic ratio of halogen to magnesium is at least 2, B : one or more organoaluminium compounds, which two components are, separately or in combination, supplied direct to the polymerization vessel.

Inventors:
RUUKU MARIA KONSUTANTO KOOZENM
YOHANESU BURENKAASU
YAKOBUSU ANTONIUSU ROONTOIENSU
Application Number:
JP3070588A
Publication Date:
December 12, 1988
Filing Date:
February 12, 1988
Export Citation:
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Assignee:
STAMICARBON
International Classes:
C08F4/60; C08F4/62; C08F4/64; C08F4/685; C08F10/02; (IPC1-7): C08F4/64; C08F10/02