Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 105: Issue 3
Self-healing property characterization of reversible thermoset coatings
Authors: G. Scheltjens 1 , J. Brancart 1 , I. De Graeve 2 , B. Van Mele 1 , H. Terryn 2 , and G. Van Assche 1
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  • 1 Physical Chemistry and Polymer Science (FYSC), Vrije Universiteit Brussel, Pleinlaan 2, B-1050, Brussels, Belgium
  • 2 Electrochemical and Surface Engineering (SURF), Vrije Universiteit Brussel, Pleinlaan 2, B-1050, Brussels, Belgium
DOI:
https://doi.org/10.1007/s10973-011-1381-4
Page Count:
805–809
Publication Date:
01 Sep 2011
Online Publication Date:
17 Feb 2011
Article Category:
Research Article
Restricted access

Abstract

A self-healing material for coating applications was synthesized using the Diels–Alder (DA) reaction as cross-linking reaction. The built-in reversibility allows local mobility and rearrangements in the polymeric network, which is composed of a furan functionalized epoxy-amine and a bismaleimide. The self-healing material was characterized by physical–chemical means using Fourier Transform Infrared spectroscopy, thermogravimetric analysis (TG) and rapid heat-cool differential scanning calorimetry. It has been shown that the reversibility, as a result of a change in DA/retro-DA equilibrium, occurs in a temperature window ranging from ca. 80 to 150 °C. The repeatability of the non-autonomous healing was checked by TG, showing no evaporation or degradation of the components involved in the temperature window of interest.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943
Keywords:
Self-healing; Reversible network; Thermoset coating; Diels–Alder

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