C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/105, 402/431
C08F 4/64 (2006.01) C08F 4/02 (2006.01) C08F 10/00 (2006.01) C08F 32/00 (2006.01) C08F 36/00 (2006.01)
Patent
CA 1043942
A B S T R A C T A process for preparing a highly crystalline olefin polymer or copolymer, which comprises polymerizing or copolymerizing an olefin containing at least 3 carbon atoms in the presence of a catalyst comprising (a) a solid titanium catalyst component obtained by roacting a solid magnesium component with a titanium compound in the absence of a free organometallic compound of a metal of Groups I and III of the periodic table and separating the solid component of the resulting reaction product, said solid magnesium component being obtained by separating a solid from a suspension of a reaction product derived from (i) a magnesium halide, (ii) an active hydrogen-containing or- gainic compound, (iii) an orgainc acid ester and (iv) an organometallic com- pound of a metal of Groups I to III of the periodic table, and (b) an organo- metallic compound of a metal of Groups I to III of the periodic table.
234560
Kashiwa Norio
Odawara Kiyoshi
Toyota Akinori
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