Catalytic chain transfer in continuous emulsion polymerization

N.M.B. Smeets, T.G.T. Jansen, J.P.A. Heuts, A.M. Herk, van, J. Meuldijk

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Abstract

It is demonstrated that CCT-mediated emulsion polymerization can successfully be carried out in a PSPC. Proper molecular weight control is achieved with only minor quantities of a cobalt(II) complex, illustrating the robustness and scalability of CCT. Despite the successful implementation of CCT in the PSPC, differences in the course of the polymerization and the final latex properties (in terms of the PSD/MWD) for batchwise and PSPC operation are observed. Backmixing occurs to some extend in the PSPC, which increases the steady state CCTA concentration in the column. Consequently, a higher chain transfer activity is observed than expected based on the corresponding batch experiments, which affects the course of the polymerization and the final latex properties.
Original languageEnglish
Pages (from-to)110-118
Number of pages9
JournalMacromolecular Reaction Engineering
Volume6
Issue number2-3
DOIs
Publication statusPublished - 2012

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