Laser single pulse initiated RAFT polymerization for assessing chain-length dependent radical termination kinetics

Michael Buback, Thomas Junkers, Philipp Vana

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A novel method combining RAFT polymerization with pulsed-laser initiation for determining chain-length dependent termination rate coefficients, k t, is presented. Degenerative chain-transfer in RAFT enables single-pulse pulsed-laser polymerization (SP-PLP) traces to be measured on systems with a narrow radical distribution that remains essentially unchanged during the experiment. SP-PLP-RAFT experiments at different polymerization times allow for determining kt as a function of chain length via classical kinetics assuming chain-length independent kt.

Original languageEnglish
Pages (from-to)796-802
Number of pages7
JournalMacromolecular Rapid Communications
Issue number10
Publication statusPublished - 19 May 2005
Externally publishedYes


  • Chain-length dependent termination
  • Kinetics (polym.)
  • Living/controlled free-radical polymerization
  • Reversible addition fragmentation chain transfer (RAFT)
  • Single-pulse pulsed-laser polymerization (SP-PLP)

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