Laser induced marking of polymer chains with radical spin traps

Thomas Junkers, Edgar H.H. Wong, Zachary Szablan, Thomas P. Davis, Martina H. Stenzel, Christopher Barner-Kowollik

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9 Citations (Scopus)


A pathway for marking of polymer chains with radical spin traps during pulsed laser polymerization in free radical polymerization is presented. By introducing a so-called marker that forms a non-propagating radical at (or shortly after) the incidence of a laser pulse, a polymer subdistribution is generated by specifically terminating propagating radicals via combination with such a marker radical. The generated polymer subdistribution can subsequently be imaged by modern softionization mass spectrometry. Herein, the general methodology of the method in which such marker is generated via reaction of an initiating radical with a nitrone is demonstrated on the examples of BA and VAc.

Original languageEnglish
Pages (from-to)503-510
Number of pages8
JournalMacromolecular Rapid Communications
Issue number6
Publication statusPublished - 19 Mar 2008
Externally publishedYes


  • Electrospray ionization mass spectrometry
  • Propagation rate coefficient
  • Pulsed laser polymerization
  • Radical spin traps (polym.)

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