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Zhan H, Wen B, Tian B, Zheng K, Li Q, Wu W. Printed Self-Healing Stretchable Electronics for Bio-signal Monitoring and Intelligent Packaging. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2400740. [PMID: 38693082 DOI: 10.1002/smll.202400740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/27/2024] [Indexed: 05/03/2024]
Abstract
Integrating self-healing capabilities into printed stretchable electronic devices is important for improving performance and extending device life. However, achieving printed self-healing stretchable electronic devices with excellent device-level healing ability and stretchability while maintaining outstanding electrical performance remains challenging. Herein, a series of printed device-level self-healing stretchable electronic devices is achieved by depositing liquid metal/silver fractal dendrites/polystyrene-block-polyisoprene-block-polystyrene (LM/Ag FDs/SIS) conductive inks onto a self-healing thermoplastic polyurethane (TPU) film via screen printing method. Owing to the fluidic properties of the LM and the interfacial hydrogen bonding and disulfide bonds of TPU, the as-obtained stretchable electronic devices maintain good electronic properties under strain and exhibit device-level self-healing properties without external stimulation. Printed self-healing stretchable electrodes possess high electrical conductivity (1.6 × 105 S m-1), excellent electromechanical properties, and dynamic stability, with only a 2.5-fold increase in resistance at 200% strain, even after a complete cut and re-healing treatment. The printed self-healing capacitive stretchable strain sensor shows good linearity (R2 ≈0.9994) in a wide sensing range (0%-200%) and is successfully applied to bio-signal detection. Furthermore, the printed self-healing electronic smart label is designed and can be used for real-time environmental monitoring, which exhibits promising potential for practical application in food preservation packaging.
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Affiliation(s)
- Haoye Zhan
- Laboratory of Printable Functional Materials and Printed Electronics, School of Physics and Technology, Wuhan University, Wuhan, 430072, P. R. China
| | - Bo Wen
- Laboratory of Printable Functional Materials and Printed Electronics, School of Physics and Technology, Wuhan University, Wuhan, 430072, P. R. China
| | - Bin Tian
- Laboratory of Printable Functional Materials and Printed Electronics, School of Physics and Technology, Wuhan University, Wuhan, 430072, P. R. China
| | - Ke Zheng
- Laboratory of Printable Functional Materials and Printed Electronics, School of Physics and Technology, Wuhan University, Wuhan, 430072, P. R. China
| | - Quancai Li
- Laboratory of Printable Functional Materials and Printed Electronics, School of Physics and Technology, Wuhan University, Wuhan, 430072, P. R. China
| | - Wei Wu
- Laboratory of Printable Functional Materials and Printed Electronics, School of Physics and Technology, Wuhan University, Wuhan, 430072, P. R. China
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Luo Y, Geng Z, Zhang W, He J, Yang R. Strategy for Constructing Phosphorus-Based Flame-Retarded Polyurethane Elastomers for Advanced Performance in Long-Term. Polymers (Basel) 2023; 15:3711. [PMID: 37765565 PMCID: PMC10537912 DOI: 10.3390/polym15183711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 08/30/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Polyurethane elastomer (PUE), which is widely used in coatings for construction, transportation, electronics, aerospace, and other fields, has excellent physical properties. However, polyurethane elastomers are flammable, which limits their daily use, so the flame retardancy of polyurethane elastomers is very important. Reactive flame retardants have the advantages of little influence on the physical properties of polymers and low tendency to migrate out. Due to the remarkable needs of non-halogenated flame retardants, phosphorus flame retardant has gradually stood out as the main alternative. In this review, we focus on the fire safety of PUE and provide a detailed overview of the current molecular design and mechanisms of reactive phosphorus-containing, as well as P-N synergistic, flame retardants in PUE. From the structural characteristics, several basic aspects of PUE are overviewed, including thermal performance, combustion performance, and mechanical properties. In addition, the perspectives on the future advancement of phosphorus-containing flame-retarded polyurethane elastomers (PUE) are also discussed. Based on the past research, this study provides prospects for the application of flame-retarded PUE in the fields of self-healing materials, bio-based materials, wearable electronic devices, and solid-state electrolytes.
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Affiliation(s)
| | - Zhishuai Geng
- National Engineering Technology Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Wenchao Zhang
- National Engineering Technology Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
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Mohd Sani NF, Yee HJ, Othman N, Talib AA, Shuib RK. Intrinsic self-healing rubber: A review and perspective of material and reinforcement. POLYMER TESTING 2022; 111:107598. [DOI: 10.1016/j.polymertesting.2022.107598] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Nellepalli P, Patel T, Oh JK. Dynamic Covalent Polyurethane Network Materials: Synthesis and Self-Healability. Macromol Rapid Commun 2021; 42:e2100391. [PMID: 34418209 DOI: 10.1002/marc.202100391] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/12/2021] [Indexed: 02/06/2023]
Abstract
Polyurethane (PU) has not only been widely used in the daily lives, but also extensively explored as an important class of the essential polymers for various applications. In recent years, significant efforts have been made on the development of self-healable PU materials that possess high performance, extended lifetime, great reliability, and recyclability. A promising approach is the incorporation of covalent dynamic bonds into the design of PU covalently crosslinked polymers and thermoplastic elastomers that can dissociate and reform indefinitely in response to external stimuli or autonomously. This review summarizes various strategies to synthesize self-healable, reprocessable, and recyclable PU materials integrated with dynamic (reversible) Diels-Alder cycloadduct, disulfide, diselenide, imine, boronic ester, and hindered urea bond. Furthermore, various approaches utilizing the combination of dynamic covalent chemistries with nanofiller surface chemistries are described for the fabrication of dynamic heterogeneous PU composites.
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Affiliation(s)
- Pothanagandhi Nellepalli
- Department of Chemistry and Biochemistry, Concordia University, Montreal, Quebec, H4B 1R6, Canada
| | - Twinkal Patel
- Department of Chemistry and Biochemistry, Concordia University, Montreal, Quebec, H4B 1R6, Canada
| | - Jung Kwon Oh
- Department of Chemistry and Biochemistry, Concordia University, Montreal, Quebec, H4B 1R6, Canada
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Jing X, Ma Z, Antwi-Afari MF, Wang L, Li H, Mi HY, Feng PY, Liu Y. Synthesis and Fabrication of Supramolecular Polydimethylsiloxane-Based Nanocomposite Elastomer for Versatile and Intelligent Sensing. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c01575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xin Jing
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
| | - Zhenping Ma
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
| | - Maxwell Fordjour Antwi-Afari
- Department of Civil Engineering, College of Engineering and Physical Sciences, Aston University, Birmingham B4 7ET, U.K
| | - Lin Wang
- National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450000, China
| | - Heng Li
- Department of Building and Real Estate, Hong Kong Polytechnic University, Hong Kong 518000, China
| | - Hao-Yang Mi
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
- National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450000, China
| | - Pei-Yong Feng
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
| | - Yuejun Liu
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
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Li S, Zhou X, Dong Y, Li J. Flexible Self-Repairing Materials for Wearable Sensing Applications: Elastomers and Hydrogels. Macromol Rapid Commun 2020; 41:e2000444. [PMID: 32996221 DOI: 10.1002/marc.202000444] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/06/2020] [Indexed: 12/14/2022]
Abstract
Flexible pressure and strain sensors have great potential for applications in wearable and implantable devices, soft robots, and artificial skin. The introduction of self-healing performance has made a positive contribution to the lifetime and stability of flexible sensors. At present, many self-healing flexible sensors with high sensitivity have been developed to detect the signal of organism activity. The sensitivity, reliability, and stability of self-healing flexible sensors depend on the conductive network and mechanical properties of flexible materials. This review focuses on the latest research progress of self-healing flexible sensors. First, various repair mechanisms of self-healing flexible materials are reviewed because these mechanisms contribute to the development of self-healing flexible materials. Then, self-healing elastomer flexible sensor and self-healing hydrogel flexible sensor are introduced and discussed respectively. The research status and problems to be solved of these two types of flexible sensors are discussed in detail. Finally, this rapidly developing and promising field of self-healing flexible sensors and devices is prospected.
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Affiliation(s)
- Shaonan Li
- School of Chemistry and life sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Xing Zhou
- School of Chemistry and life sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Yanmao Dong
- School of Chemistry and life sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Jihang Li
- School of Chemistry and life sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
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Karatepe A, Akgöl O, Abdulkarim YI, Dalgac Ş, Muhammadsharif FF, Awl HN, Deng L, Ünal E, Karaaslan M, Heng L, Huang S. Multipurpose chemical liquid sensing applications by microwave approach. PLoS One 2020; 15:e0232460. [PMID: 32392253 PMCID: PMC7213732 DOI: 10.1371/journal.pone.0232460] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 04/15/2020] [Indexed: 11/18/2022] Open
Abstract
In this work, a novel sensor based on printed circuit board (PCB) microstrip rectangular patch antenna is proposed to detect different ratios of ethanol alcohol in wines and isopropyl alcohol in disinfectants. The proposed sensor was designed by finite integration technique (FIT) based high-frequency electromagnetic solver (CST) and was fabricated by Proto Mat E33 machine. To implement the numerical investigations, dielectric properties of the samples were first measured by a dielectric probe kit then uploaded into the simulation program. Results showed a linear shifting in the resonant frequency of the sensor when the dielectric constant of the samples were changed due to different concentrations of ethanol alcohol and isopropyl alcohol. A good agreement was observed between the calculated and measured results, emphasizing the usability of dielectric behavior as an input sensing agent. It was concluded that the proposed sensor is viable for multipurpose chemical sensing applications.
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Affiliation(s)
- Ayşegül Karatepe
- Department of Electrical and Electronics, Iskenderun Technical University, Hatay, Turkey
| | - Oğuzhan Akgöl
- Department of Electrical and Electronics, Iskenderun Technical University, Hatay, Turkey
| | - Yadgar I Abdulkarim
- School of Physics and Electronics, Central South University, Changsha, Hunan, China.,Physics Department, College of Science, University of Sulaimani, Sulaimani, Iraq
| | - Şekip Dalgac
- Department of Electrical and Electronics, Iskenderun Technical University, Hatay, Turkey
| | | | - Halgurd N Awl
- Department of Communication, Engineering College, Sulaimani Polytechnic University, Sulaimani, Iraq
| | - Lianwen Deng
- School of Physics and Electronics, Central South University, Changsha, Hunan, China
| | - Emin Ünal
- Department of Electrical and Electronics, Iskenderun Technical University, Hatay, Turkey
| | - Muharrem Karaaslan
- Department of Electrical and Electronics, Iskenderun Technical University, Hatay, Turkey
| | - Luo Heng
- School of Physics and Electronics, Central South University, Changsha, Hunan, China
| | - Shengxiang Huang
- School of Physics and Electronics, Central South University, Changsha, Hunan, China
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Wu X, Huang J, Yu S, Ruan P, Sun R, Wong CP. Thermally Self-Healable Titanium Dioxide/Polyurethane Nanocomposites with Recoverable Mechanical and Dielectric Properties. Macromol Res 2019. [DOI: 10.1007/s13233-020-8049-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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