Details der Publikation - Preparation and Properties of Self-healing Triboelectric Nanogenerator Based on Waterborne Polyurethane Containing Diels

Preparation and Properties of Self-healing Triboelectric Nanogenerator Based on Waterborne Polyurethane Containing Diels–Alder Bonds

Abstract A type of waterborne polyurethane (WPU) with excellent self-healing and recyclable properties was successfully prepared by introducing Diels–Alder (DA) reaction groups into it. FT-IR was used to verify the successful synthesis of samples and the retro-DA reaction in the WPU-DA films. It was found that the self-healing efficiency of the WPU-DA-4/4 films was 72.8%. After four cycle times, the self-healing efficiency could still achieve 49.7%. Moreover, the WPU-DA film could be applied as the positive friction layer to prepare a triboelectric nanogenerator (TENG). Working in contact-separation mode, the electrical outputs with 2 × 2 $ cm^{2} $ area can reach 58 V, 3.2 µA, 17.6 nC, respectively. It is also interesting to find that the electrical output properties of the TENG after damage-healed can be restored to more than 90% of the original one. The cross-linked WPU had good reprocessability and had great potential application prospects in intelligent materials..

Medienart:	E-Artikel

Erscheinungsjahr:	2022
Erschienen:	2022

Enthalten in:	Zur Gesamtaufnahme - volume:30
Enthalten in:	Journal of polymers and the environment - 30(2022), 12 vom: 29. Sept., Seite 5252-5262

Sprache:	Englisch

Beteiligte Personen:	Cheng, Bing-Xu [VerfasserIn] Lu, Chen-Chen [VerfasserIn] Li, Qing [VerfasserIn] Zhao, Si-Qi [VerfasserIn] Bi, Chang-Shun [VerfasserIn] Wu, Wei [VerfasserIn] Huang, Chong-Xing [VerfasserIn] Zhao, Hui [VerfasserIn]

Links:	Volltext [lizenzpflichtig]

Themen:	DA reaction Self-healing Triboelectric nanogenerator Waterborne polyurethane

Anmerkungen:	© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

doi:	10.1007/s10924-022-02586-z

funding:
Förderinstitution / Projekttitel:

PPN (Katalog-ID):	OLC2132738955

Internformat


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520			\|a Abstract A type of waterborne polyurethane (WPU) with excellent self-healing and recyclable properties was successfully prepared by introducing Diels–Alder (DA) reaction groups into it. FT-IR was used to verify the successful synthesis of samples and the retro-DA reaction in the WPU-DA films. It was found that the self-healing efficiency of the WPU-DA-4/4 films was 72.8%. After four cycle times, the self-healing efficiency could still achieve 49.7%. Moreover, the WPU-DA film could be applied as the positive friction layer to prepare a triboelectric nanogenerator (TENG). Working in contact-separation mode, the electrical outputs with 2 × 2 $ cm^{2} $ area can reach 58 V, 3.2 µA, 17.6 nC, respectively. It is also interesting to find that the electrical output properties of the TENG after damage-healed can be restored to more than 90% of the original one. The cross-linked WPU had good reprocessability and had great potential application prospects in intelligent materials.
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Preparation and Properties of Self-healing Triboelectric Nanogenerator Based on Waterborne Polyurethane Containing Diels–Alder Bonds

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