Process for nonaqueous dispersion polymerization of butadiene

Details Process for nonaqueous dispersion polymerization of butadiene Process for nonaqueous dispersion polymerization of butadiene

1982-12-09

1984-01-03

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 208

Patent

active

044243243

ABSTRACT:
This invention discloses a process for the nonaqueous dispersion polymerization of butadiene monomer in a reaction mixture containing a liquid nonaqueous dispersion medium, a catalyst system, butadiene monomer, and at least one polymeric dispersing agent, the improvement which comprises carrying out the polymerization of the butadiene monomer in the presence of the reaction product of (1) an alkylbenzene sulfonic acid wherein said alkyl moiety contains from 6 to 20 carbon atoms and (2) a polyalkylene amine that contains from 6 to 20 carbon atoms and 2 to 8 amine moieties. The presence of a small amount of this reaction product very substantially reduces the amount of polymeric dispersing agent needed in such a polymerization.

REFERENCES:
patent: 4098980 (1978-07-01), Markle

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