Get access

Continuous Reversible Addition-Fragmentation Chain Transfer Polymerization in Miniemulsion Utilizing a Multi-Tube Reaction System

Authors

  • James P. Russum,

    1. School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, GA 30332, USA
    Search for more papers by this author
  • Christopher W. Jones,

    Corresponding author
    1. School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, GA 30332, USA
    • School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, GA 30332, USA. Fax: (+1) 404-894-2866
    Search for more papers by this author
  • F. Joseph Schork

    Corresponding author
    1. School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, GA 30332, USA
    • School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, GA 30332, USA. Fax: (+1) 404-894-2866
    Search for more papers by this author

Abstract

Summary: A unique, multi-tube, continuous reactor has been successfully designed and implemented for the study of reversible addition-fragmentation chain transfer (RAFT) in miniemulsions. Data collection is greatly enhanced by the ability to simultaneously collect samples at five different residence times. The results of a styrene homopolymerization show that kinetically, the reactor exhibits similar behavior to a batch reaction. Number-average molecular weights increased linearly with conversion, typical of living polymerizations.

original image

The number-average molecular weight of the polymers produced in the tubular reactor increased linearly with conversion, indicative of a controlled polymerization.

Ancillary