C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/419, 402/431
C08F 10/00 (2006.01) C08F 2/00 (2006.01) C08F 4/66 (1985.01)
Patent
CA 1190349
ABSTRACT OF THE DISCLOSURE: A novel process is disclosed for polymerizing alpha olefins, ethylene included, and copolymerizing alpha-olefins with one or more conjugated diolefins, and more particularly for copolymeriziny ethylene with l,3-butadiene, based on the use of a plural-component catalyst system, one of said components being a novel complex which contains titanium and magnesium. The process according to the invention gives, along with yields higher than 200,000 grams of polymer per g of elemental Ti, ethylene butadiene copolymers having a distribution of the monomeric unit characterized by a particular novel 13C-NMR spectrum, a high apparent specific gravity and such a grit size as to impart flowability of the dry product, and a distribution in the presence of sulphur and accelerators such as to acquire a gel contents (fraction insoluble in boiling xylenes) over 50%.
407655
Carbonaro Antonio
Corbellini Margherita
Ferrero Cesare
Agip Petroli S.p.a.
Robic Robic & Associes/associates
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