C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/626, 402/651
C08F 4/60 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1293588
ABSTRACT OF THE DISCLOSURE Polymers of alpha-olefins of formula R-CH=CH2 wherein R = alkyl of from 1 to 6 C atoms, or of their mixtu= res with minor amounts of ethylene are obtained by adopting catalysts comprising: (A) a solid component obtained by treating an emulsion (a) in a perfluoropolyether liquid of a liquid compound of magnesium, of titanium or of another transition metal, either liquid or in solution, with possibly using an electron-donor compound, with (b) a reducing and/or halogenating agent capable of forming an insoluble solid product, after which, if such a product is a pre= cursor of the catalytic component, it is treated with a tetravalent-titanium halide, or with a halide of another transition metal; (B) an aluminum alkyl compound; (C) an outer electron-donor compound (c).
543304
Marks & Clerk
Montedison S.p.a.
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