C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/626
C08F 10/00 (2006.01) C08F 2/00 (2006.01) C08F 4/62 (2006.01)
Patent
CA 1185747
ABSTRACT OF THE DISCLOSURE A process for the homopolymerization or copolymerization of olefins is disclosed, which is carried out in the presence of an improved catalyst comprising a solid catalyst component and an organometal compound, said solid catalyst component being obtained by the reaction of: (1) a magnesium halide, (2) a compound represented by the formula: Me(OR)nXz-n where Me is any of the Group I-VIII elements of the Periodic Table, excluding Si, Ti and V, R is a hydrocarbon residual group having 1 - 24 carbon atoms, X is a halogen atom, z represents the valence of Me and n is 0 < n ? z, and (3) a compound represented by the formula: R'mSi(OR")nX4-m-n where R' is a hydrocarbon residual groups having 1 - 20 carbon atoms, X is a halogen atom, and m and n are 0 < m < 4, 0 < n < 4, and 0 < n+m ? 4 and (4) a titanium compound and/or a vanadium compound. The resulting polymers are charac- terized by a large bulk density, a narrow range of molecular weight distribution, and small amounts of hexane extraction.
406851
Kuroda Nobuyuki
Matsuura Kazuo
Miyoshi Mitsuji
Nakamura Toru
Shikatani Yutaka
Gowling Lafleur Henderson Llp
Nippon Oil Co. Ltd.
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