Abstract

AbstractPrevious publications have demonstrated that when “living” anionic polymerizations are carried out in continuous reactors under forced periodic operation of the feed flows then: (a) In the absence of impurities and within certain limitations, it is possible to produce polymers with any prespecified values of the number‐average chain length, the polydispersity and the polymer production; and (b) even small concentrations of impurities in the monomer feed, drastically inhibit such a possibility. In this work, the optimal periodic control problem has been reformulated, including the presence of impurities. In all cases, the flexibility of the control is reduced with respect to the impurities‐free case.

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