Process for the polymerization or copolymerization of butadiene

Details Process for the polymerization or copolymerization of butadiene Process for the polymerization or copolymerization of butadiene

1986-05-02

1987-12-01

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 73, 526143, C08F 452

Patent

active

047105534

ABSTRACT:
This invention concerns the production of 1,4-cis polybutadiene or copolymers of butadiene with other related diolefins through the catalytic polymerization or copolymerization of butadiene monomer by a continuous or discontinuous process carried out in the absence or substantial absence of solvents or diluents, operating in two successive phases (the first at a T<30.degree. C. and the second at a T=or>30.degree. C.) by control of the molecular weights.

REFERENCES:
patent: 4242232 (1980-12-01), Sylvester
patent: 4525549 (1985-06-01), Carbonaro
patent: 4575538 (1986-03-01), Hsieh

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