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Issue 44, 2015
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Correlation between scratch healing and rheological behavior for terpyridine complex based metallopolymers

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Abstract

Certain metallopolymers possess the ability to close scratches by a simple thermal treatment. The present study comprehensively explores the structure–property relationship of these materials by variation of the corresponding metal salts. The scratch-healing properties are studied in detail and correlated to the rheological behavior. Rheological measurements are utilized to determine the supramolecular bond life time (τb). A crossover of G′ and G′′ is found for the scratch healing metallopolymers, whereas this is absent in materials displaying no healing under the investigated conditions. Thus, this study provides a first step for the fundamental understanding of the dynamic behavior of metallopolymers and the impact on the self-healing properties. Furthermore, the effect of the chosen cation and anion on the self-healing behavior is illustrated and studied in detail.

Graphical abstract: Correlation between scratch healing and rheological behavior for terpyridine complex based metallopolymers

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Publication details

The article was received on 20 Jul 2015, accepted on 07 Sep 2015 and first published on 07 Sep 2015


Article type: Paper
DOI: 10.1039/C5TA05545H
J. Mater. Chem. A, 2015,3, 22145-22153

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    Correlation between scratch healing and rheological behavior for terpyridine complex based metallopolymers

    S. Bode, M. Enke, R. K. Bose, F. H. Schacher, S. J. Garcia, S. van der Zwaag, M. D. Hager and U. S. Schubert, J. Mater. Chem. A, 2015, 3, 22145
    DOI: 10.1039/C5TA05545H

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