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Macromolecular Additives to Turn a Thermoplastic Elastomer into a Self-Healing Material

Abstract : Self-healing allows increasing the service life of materials by overcoming some issues caused by mechanical failures. We propose a new concept to bring room temperature selfhealing properties to thermoplastic elastomers. A macromolecular additive whose interacting units can interfere with the hard segments of the thermoplastic elastomer accelerates chain dynamics and brings self-healing properties to the composite material with a limited detrimental effect on mechanical properties. By applying this concept to silicone-based elastomers, we have obtained an autonomously self-healing material with a relatively high elastic modulus for this type of elastomers.
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https://hal.archives-ouvertes.fr/hal-03142921
Contributor : Laurent Bouteiller <>
Submitted on : Tuesday, February 16, 2021 - 1:52:58 PM
Last modification on : Thursday, July 1, 2021 - 5:33:11 PM
Long-term archiving on: : Monday, May 17, 2021 - 7:12:59 PM

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Léo Simonin, Guillaume Falco, Sandrine Pensec, Florent Dalmas, Jean-Marc Chenal, et al.. Macromolecular Additives to Turn a Thermoplastic Elastomer into a Self-Healing Material. Macromolecules, American Chemical Society, 2021, 54 (2), pp.888-895. ⟨10.1021/acs.macromol.0c02352⟩. ⟨hal-03142921⟩

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