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A Self-Healing and Shape Memory Polymer that Functions at Body Temperature
Open AccessArticle

Detailed Analysis of the Influencing Parameters on the Self-Healing Behavior of Dynamic Urea-Crosslinked Poly(methacrylate)s

1
Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
2
Jena Center of Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
*
Author to whom correspondence should be addressed.
Molecules 2019, 24(19), 3597; https://doi.org/10.3390/molecules24193597
Received: 13 September 2019 / Revised: 28 September 2019 / Accepted: 29 September 2019 / Published: 6 October 2019
(This article belongs to the Special Issue Self-Healing Materials)
For this paper, the self-healing ability of poly(methacrylate)s crosslinked via reversible urea bonds was studied in detail. In this context, the effects of healing time and temperature on the healing process were investigated. Furthermore, the impact of the size of the damage (i.e., area of the scratch) was monitored. Aging processes, counteracting the self-healing process, result in a decrease in the mechanical performance. This effect diminishes the healing ability. Consequently, the current study is a first approach towards a detailed analysis of self-healing polymers regarding the influencing parameters of the healing process, considering also possible aging processes for thermo-reversible polymer networks. View Full-Text
Keywords: self-healing polymers; dynamic covalent bonds; characterization of self-healing; poly(methacrylate)s self-healing polymers; dynamic covalent bonds; characterization of self-healing; poly(methacrylate)s
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Abend, M.; Zechel, S.; Schubert, U.S.; Hager, M.D. Detailed Analysis of the Influencing Parameters on the Self-Healing Behavior of Dynamic Urea-Crosslinked Poly(methacrylate)s. Molecules 2019, 24, 3597.

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