Process for polymerizing butene-1

Details Process for polymerizing butene-1 Process for polymerizing butene-1

C - Chemistry, Metallurgy

08

F

252/107

C08F 4/16 (2006.01)

Patent

CA 1279308

61815-3227 ABSTRACT OF THE INVENTION A catalyst system for polymerizing butene-l comprising: a compo- nent (A) consisting of one or more dialkylaluminum hydride compounds having a total molar amount greater than 75 moles of said dialkylaluminum compound per mole of titanium; a component (B) consisting of an alkylaluminum halide having a total molar amount greater than 25 moles of said alkylaluminum halide per mole of titanium, and which, at least in part, has been premixed with component (D); a component (C) consisting of a selectivity control agent consisting of one or more aromatic esters in a total molar amount greater than 50 moles of ester per mole of titanium; and a component (D) consisting of a titanium halide and an electron donor on a support comprised of a magnesium halide.

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