Method for continuously producing low molecular weight...

Details Method for continuously producing low molecular weight... Method for continuously producing low molecular weight...

C - Chemistry, Metallurgy

08

F

402/422

C08F 36/04 (2006.01) C08F 4/46 (2006.01)

Patent

CA 1307371

ABSTRACT OF THE DISCLOSURE A method for continuously producing a liquid low molecular weight polymer of conjugated diolefin having a number average molecular weight of 300 to 10000. The method comprises the step of continuously polymerizing or copolyme- rizing conjugated diolefin in an inert hydrocarbon solvent at a temperature of 40 to 70°C with maintaining the quantity of dissolved oxygen in the reaction system at 1 ppm or below and in the presence of a polymerization catalyst of an organic sodium compound and a chain transfer agent of an alkylaryl compound.

581805

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