C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/432, 402/438
C08F 4/62 (2006.01) C08F 2/06 (2006.01) C08F 4/02 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1118947
Abstract of the Disclosure In a continuous process for producing a polymer or copolymer of an alpha-olefin in a hydrocarbon solvent the presence of a catalyst comprising a transition metal compound and an organoaluminum compound, the improvement wherein (1) polymerization or copolymerization is carried out in the presence of a catalyst composed of (A) a magnesium compound in the liquid state which is soluble in said hydrocarbon solvent and is free from an organoaluminum compound and a transition metal compound, said magnesium compound being obtained from specific re- actants. (B) a transition metal compound in the liquid state, and (C) an organoaluminum compound, and (II) said polymerization or copolymerization is carried out while feeding said compound (C) into a poly- merization or copolymerization zone separately from said other compounds (A) and (B), or while adding a part or the whole of said compound (C) to a liquid mixture of said other compounds (A) and (B) and feeding the resulting mixture into said zone, or while feeding a mixture of the compounds (A), (B) and (C) into said zone.
341447
Kashiwa Norio
Kioka Mamoru
Minami Syuji
Ueda Takashi
Mitsui Chemicals Incorporated
Smart & Biggar
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