Process for preparing polyolefins
AssigneeNippon Oil Co., Ltd.
InventorsNobuyuki Kuroda, Takeichi Shiraishi, Akio Itoh, Kazuo Matsuura, Mituji Miyoshi
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Abstract
According to the present invention, there is provided a process for preparing polyolefins which comprises polymerizing or copolymerizing olefins using as catalyst a solid component containing a titanium compound and/or a vanadium compound, and an organoaluminum compound and/or an organozinc compound, said solid component being obtained by copulverizing (1) a magnesium halide and/or a manganese halide, (2) an aluminum oxyhalide and (3) a titanium compound and/or a vanadium compound.
Claims10
A process for preparing polyolefins which comprises polymerizing or copolymerizing olefins using as catalyst a solid carrier component containing a titanium compound and/or a vanadium compound, and an organoaluminum compound and/or an organozinc compound, said solid component being obtained by copulverizing (1) a magnesium dihalide and/or a mangenese dihalide, (2) an aluminum oxyhalide and (3) a titanium compound and/or a vanadium compound.
Dependencies are inferred from the claim text.