Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1983-10-07
1985-02-26
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
525246, 525247, 525313, 526 92, 526 93, 526 94, 526138, 526140, 526335, C08L 6100
Patent
active
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.
Ashitaka Hidetomo
Nakajima Koichi
Ueno Haruo
Babajko S.
Ube Industries Ltd.
Wong, Jr. Harry
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