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..
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Artikel |
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Erscheinungsjahr: |
2022 |
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Erschienen: |
2022 |
Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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Enthalten in: |
Journal of polymers and the environment - 30(2022), 12 vom: 29. Sept., Seite 5252-5262 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Cheng, Bing-Xu [VerfasserIn] |
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Links: |
Volltext [lizenzpflichtig] |
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Themen: |
DA reaction |
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. |
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doi: |
10.1007/s10924-022-02586-z |
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funding: |
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PPN (Katalog-ID): |
OLC2079983040 |
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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. | ||
650 | 4 | |a Self-healing | |
650 | 4 | |a Waterborne polyurethane | |
650 | 4 | |a DA reaction | |
650 | 4 | |a Triboelectric nanogenerator | |
700 | 1 | |a Lu, Chen-Chen |4 aut | |
700 | 1 | |a Li, Qing |4 aut | |
700 | 1 | |a Zhao, Si-Qi |4 aut | |
700 | 1 | |a Bi, Chang-Shun |4 aut | |
700 | 1 | |a Wu, Wei |4 aut | |
700 | 1 | |a Huang, Chong-Xing |4 aut | |
700 | 1 | |a Zhao, Hui |0 (orcid)0000-0001-8554-9411 |4 aut | |
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