Method for producing a polybutadiene material

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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525246, 525247, 525313, 526 92, 526 93, 526 94, 526138, 526140, 526335, C08L 6100

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045018677

ABSTRACT:
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 isothiocyanate and in the presence or absence of a cis-1,4-polymerization product of 1,3-butadiene.

REFERENCES:
patent: 3448095 (1969-06-01), Dawans et al.

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