C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/444, 402/471
C08F 4/70 (2006.01) C08F 2/06 (2006.01) C08F 136/06 (2006.01)
Patent
CA 1210197
METHOD FOR PRODUCING A POLYBUTADIENE MATERIAL ABSTRACT OF THE DISCLOSURE A 1,2-polymerization of 1,3-butadiene is carried out in a polymerization solvent in the presence of a 1,2-polymerization catalyst consisting essentially of a cobalt compound soluble in the polymerization solvent, an organic aluminum halide, an organic magnesium compound, and carbon disulfide and/or phenyl isothio- cyanate and in the presence or absence of a cis-1,4- -polymerization product of 1,3-butadiene.
438453
Ashitaka Hidetomo
Nakajima Koichi
Ueno Haruo
Johnson & Hicks
Ube Industries Ltd.
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