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Issue 3, 2014
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Introduction of self-healing properties into covalent polymer networks via the photodissociation of alkoxyamine junctions

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Abstract

Poly(n-butyl acrylate) networks were prepared by conducting click chemistry between dialkyne alkoxyamines and azide functionalized star-like oligomers synthesized by ATRP. The dissociation of alkoxyamines under UV irradiation was exploited to cleave the junctions between the network of star-like precursors. The efficiency of the cleavage, generating dangling nitroxides and increased mobility of poly(n-butyl acrylate) segments, was examined by ESR monitoring. The network progressively reformed after irradiation via the recombination of radical species. These reactions resulted in self-healing behavior, which was observed by AFM.

Graphical abstract: Introduction of self-healing properties into covalent polymer networks via the photodissociation of alkoxyamine junctions

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Publication details

The article was received on 28 Aug 2013, accepted on 26 Sep 2013 and first published on 26 Sep 2013


Article type: Paper
DOI: 10.1039/C3PY01162C
Citation: Polym. Chem., 2014,5, 921-930
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    Introduction of self-healing properties into covalent polymer networks via the photodissociation of alkoxyamine junctions

    S. Telitel, Y. Amamoto, J. Poly, F. Morlet-Savary, O. Soppera, J. Lalevée and K. Matyjaszewski, Polym. Chem., 2014, 5, 921
    DOI: 10.1039/C3PY01162C

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