Modeling the kinetics of monolith formation by RAFT copolymerization of styrene and divinylbenzene

Porfirio López-Domínguez, Julio César Hernández-Ortiz, Kristine J. Barlow, Eduardo Vivaldo-Lima, Graeme Moad

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14 Citations (Scopus)

Abstract

The synthesis of monoliths by reversible addition-fragmentation chain transfer (RAFT) copolymerization of styrene and divinylbenzene (DVB) at high-crosslinker content is studied using the recently reported multifunctional polymer molecule approach. The agreement between model predictions, incorporating diffusion-control, and experimental data from CSIRO is good for all cases analyzed. This includes examples with high-crosslinker concentrations, which cause deviation from some of the simplifying assumptions imposed in the model. The production of RAFT-based poly(styrene-co-divinylbenzene) monoliths is successfully modeled using a multifunctional polymer molecule approach. The inclusion of diffusion-controlled effects can produce feasible simulations, but non-isothermal effects in the reacting tubes may have to be taken into account in further refinements to the model.

Original languageEnglish
Pages (from-to)706-722
Number of pages17
JournalMacromolecular Reaction Engineering
Volume8
Issue number10
DOIs
Publication statusPublished - Oct 2014
Externally publishedYes

Keywords

  • Copolymerization
  • Crosslinking
  • Monoliths
  • Polymer networks
  • RAFT polymerization

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