Process for anionic polymerization in a continuous stirred tank

Details Process for anionic polymerization in a continuous stirred tank Process for anionic polymerization in a continuous stirred tank

1988-10-11

1989-08-22

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 77, 526173, 526346, C08F 206, C08F 446, C08F 1208

Patent

active

048597481

ABSTRACT:
Control of an anionic polymerization is obtained by monitoring an indicator of molecular weight of the polymer in the polymerizing mixture, measuring the molecular weight of the polymer produced therein and using this information to control the rate at which polymerization initiator is added to the polymerizing mixture in a continuous stirred tank reactor.

REFERENCES:
patent: 3743629 (1973-07-01), Fraga
patent: 4189555 (1980-02-01), Massoubre
Moore et al., "The Anionic Solution Poly'tion of Butadiene in a Stirred-Tank Reactor" in Polymerization Reactors and Processes, Henderson et al. (ed.) ACS Symposium Series 104, pp. 281-293 (1979).

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