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

doi:10.1002/marc.200700820

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

Research output: Contribution to journal › Article › Research › peer-review

9 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	503-510
Number of pages	8
Journal	Macromolecular Rapid Communications
Volume	29
Issue number	6
DOIs	https://doi.org/10.1002/marc.200700820
Publication status	Published - 19 Mar 2008
Externally published	Yes

Keywords

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

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10.1002/marc.200700820

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AU - Junkers, Thomas

AU - Wong, Edgar H.H.

AU - Szablan, Zachary

AU - Davis, Thomas P.

AU - Stenzel, Martina H.

AU - Barner-Kowollik, Christopher

PY - 2008/3/19

Y1 - 2008/3/19

N2 - 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.

AB - 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.

KW - Electrospray ionization mass spectrometry

KW - Propagation rate coefficient

KW - Pulsed laser polymerization

KW - Radical spin traps (polym.)

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JO - Macromolecular Rapid Communications

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SN - 1022-1336

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Laser induced marking of polymer chains with radical spin traps

Abstract

Keywords

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