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A Qualitative and Quantitative Post-Mortem Analysis: Studying Free-Radical Initiation Processes via Soft Ionization Mass Spectrometry

Identifieur interne : 000A31 ( Main/Exploration ); précédent : 000A30; suivant : 000A32

A Qualitative and Quantitative Post-Mortem Analysis: Studying Free-Radical Initiation Processes via Soft Ionization Mass Spectrometry

Auteurs : Dominik Voll [Allemagne] ; Thomas Junkers [Belgique] ; Christopher Barner-Kowollik [Allemagne]

Source :

Journal of polymer science. Part A. Polymer chemistry [ 0887-624X ] ; 2012.

RBID : Pascal:12-0268727

Descripteurs français

Pascal (Inist)
- Polymérisation photochimique, Polymérisation radicalaire, Amorçage, Mécanisme réaction, Activité amorceur, Amorceur radicalaire, Photoamorceur, Méthode étude, Spectrométrie masse, Electrospray, Méthode couplée, Chromatographie gel, Etat actuel.

English descriptors

KwdEn :
- Breakdown initiation, Coupled method, Electrospray, Free radical polymerization, Gel permeation chromatography, Investigation method, Mass spectrometry, Photoinitiator, Photopolymerization, Priming activity, Radical catalyst, Reaction mechanism, State of the art.

Abstract

The current article contains a review of the electrospray ionization-mass spectrometry characterization of polymers prepared via thermal- and photoinitiation processes. The used analysis method permits direct access to detailed endgroup information. For a qualitative and quantitative endgroup analysis, sophisticated methods have been developed which provide a detailed image of the incorporation propensity of thermally as well as photolytically generated radicals at the polymer chain termini. Such a post-mortem analysis of polymeric materials specifically allows for the quantification of the ability of radical fragments to initiate polymerization processes. Herein, the most recent progress in the field of mass spectrometric radical reactivity mapping is outlined and open questions as well as future directions are discussed.

Affiliations:

Links toward previous steps (curation, corpus...)

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Le document en format XML

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A Qualitative and Quantitative Post-Mortem Analysis: Studying Free-Radical Initiation Processes via Soft Ionization Mass Spectrometry

A Qualitative and Quantitative Post-Mortem Analysis: Studying Free-Radical Initiation Processes via Soft Ionization Mass Spectrometry

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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