A self-healing elastomer with outstanding mechanical properties was designed based on urea bonds

Cao, Yanpeng; Yan, Rui; Wo, Xiaoye; Ma, Jinlong; Yu, Xiao; Li, Aijun; Huang, Jian; Li, Fenghua; Zhang, Qixian

doi:10.1039/d4tc01123f

J. Mater. Chem. C

2024

DOI: 10.1039/d4tc01123f

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A self-healing elastomer with outstanding mechanical properties was designed based on urea bonds

Yanpeng Cao,

Rui Yan,

Xiaoye Wo

et al.

Abstract: Dou to the demand of high sensitivity and lightweight for flexible electronic devices, people make efforts to the development of wearable devices by integrating flexible electronic devices onto flexible and...

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Cited by 3 publications

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Eu‐Doped Polyurethane with Efficient Multicolor Fluorescence, Self‐Healing, Stimuli‐Responsiveness and Its Diverse Applications

Wang,

Kong

et al. 2024

Adv Funct Materials

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Multicolor lanthanide‐doped polymers have found versatile applications in data encryption, sensing, and smart display. However, multiple components, sophisticated design, and complex preparation procedures are often required. In contrast, their intrinsic and multicolor fluorescence emission is been effectively used. Herein, Eu‐doped polyurethane (ETP@PU), integrating tunable multicolor emission, self‐healing, and multi‐responsiveness, is prepared through a facile route via step‐growth polymerization of PU using commercial Eu‐ligand (Eu(TTA)3Phen, ETP) as a fluorophore. FTIR and XPS analysis demonstrate the successful coordination of Eu3+ with carbamate groups of PU, which not only enhances the mechanical properties of PU but also bestows unique luminescent properties. With increasing ETP content, the intrinsic fluorescence of PU declines, while that of Eu displays a discernible enhancement, resulting in the tunable multicolor emission. The highest quantum yield of Eu‐related emission reaches 71.3% due to the robust coordination and efficient energy transfer between Eu3+ and PU. Moreover, the ETP@PU exhibits excellent self‐healing capacity and multi‐responsiveness, and their potential applications are also investigated in the field of light‐emitting diodes, data encryption, and self‐healing process monitoring. This work provides a facile and efficient strategy to develop multicolor lanthanide‐doped polymers promising for various applications.

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Eu‐Doped Polyurethane with Efficient Multicolor Fluorescence, Self‐Healing, Stimuli‐Responsiveness and Its Diverse Applications

Wang,

Kong

et al. 2024

Adv Funct Materials

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Dynamic polymers based on oxime-urethane chemistry: design, performances, and applications

Zhang,

Zhou,

Xiong

et al. 2024

Sci. China Chem.

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Phosphorus/boron-containing, flame-retardant polyurethane elastomers with great mechanical, shape-memory, and recycling performances

Zhang,

Huo,

et al. 2024

Polymer Degradation and Stability

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A self-healing elastomer with outstanding mechanical properties was designed based on urea bonds

Abstract: Dou to the demand of high sensitivity and lightweight for flexible electronic devices, people make efforts to the development of wearable devices by integrating flexible electronic devices onto flexible and...

Cited by 3 publications

References 53 publications

Eu‐Doped Polyurethane with Efficient Multicolor Fluorescence, Self‐Healing, Stimuli‐Responsiveness and Its Diverse Applications

Eu‐Doped Polyurethane with Efficient Multicolor Fluorescence, Self‐Healing, Stimuli‐Responsiveness and Its Diverse Applications

Dynamic polymers based on oxime-urethane chemistry: design, performances, and applications

Phosphorus/boron-containing, flame-retardant polyurethane elastomers with great mechanical, shape-memory, and recycling performances

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