| 摘要 |
Olefine was polymerized or copolymerized by using solid component, comprising Ti or V compd., and organic aluminium or organic zinc compd. mixt. as catalyst. The solid component was prepd. by crushing the mixt. which was composed of (1) magnesium halide or manganese halide, (2) aluminium oxyhalide, and (3) Ti or V compd.
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