1
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Yang H, Du Y, Zhang G, Han L, Zhang L, Xu R. Main-Chain Benzoxazines Containing an Erythritol Acetal Structure: Thermal and Degradation Properties. Molecules 2023; 28:7234. [PMID: 37894713 PMCID: PMC10608865 DOI: 10.3390/molecules28207234] [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: 08/29/2023] [Revised: 10/16/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
In this paper, the bio-based raw material erythritol was used to introduce an acetal structure into the benzoxazine resins. The benzoxazine-based resins containing an erythritol acetal structure could be degraded in an acidic solution and were environmentally friendly thermosetting resins. Compounds and resins were characterized by 1H nuclear magnetic resonance (1H NMR) and Fourier-transform infrared (FT-IR) analyses, and melting points were studied by a differential scanning calorimeter (DSC); the molecular weight was analyzed by gel permeation chromatography (GPC). The dynamic mechanical properties and thermal stability of polybenzoxazine resins were studied by dynamic mechanical thermal analysis (DMTA) and a thermogravimetric analyzer (TGA), respectively. The thermal aging, wet-heat resistance, and degradation properties of polybenzoxazine resins were tested. The results showed that the polybenzoxazine resins synthesized in this paper had good thermal-oxidative aging, and wet-heat resistance and could be completely degraded in an acidic solution (55 °C DMF: water: 1 mol/L hydrochloric acid solution = 5:2:4 (v/v/v)).
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Affiliation(s)
- Huili Yang
- Key Laboratory of Carbon Fiber and Functional Polymers, Beijing University of Chemical Technology, Ministry of Education, Beijing 100029, China; (H.Y.); (Y.D.); (G.Z.)
| | - Yanqin Du
- Key Laboratory of Carbon Fiber and Functional Polymers, Beijing University of Chemical Technology, Ministry of Education, Beijing 100029, China; (H.Y.); (Y.D.); (G.Z.)
| | - Guangshe Zhang
- Key Laboratory of Carbon Fiber and Functional Polymers, Beijing University of Chemical Technology, Ministry of Education, Beijing 100029, China; (H.Y.); (Y.D.); (G.Z.)
| | - Ling Han
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., Beijing 100013, China;
| | - Longgui Zhang
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., Beijing 100013, China;
| | - Riwei Xu
- Key Laboratory of Carbon Fiber and Functional Polymers, Beijing University of Chemical Technology, Ministry of Education, Beijing 100029, China; (H.Y.); (Y.D.); (G.Z.)
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2
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Safaei A, Brancart J, Wang Z, Yazdani S, Vanderborght B, Van Assche G, Terryn S. Fast Self-Healing at Room Temperature in Diels-Alder Elastomers. Polymers (Basel) 2023; 15:3527. [PMID: 37688153 PMCID: PMC10490179 DOI: 10.3390/polym15173527] [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: 07/20/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 09/10/2023] Open
Abstract
Despite being primarily categorized as non-autonomous self-healing polymers, we demonstrate the ability of Diels-Alder polymers to heal macroscopic damages at room temperature, resulting in complete restoration of their mechanical properties within a few hours. Moreover, we observe immediate partial recovery, occurring mere minutes after reuniting the fractured surfaces. This fast room-temperature healing is accomplished by employing an off-stoichiometric maleimide-to-furan ratio in the polymer network. Through an extensive investigation of seven Diels-Alder polymers, the influence of crosslink density on self-healing, thermal, and (thermo-)mechanical performance was thoroughly examined. Crosslink density variations were achieved by adjusting the molecular weight of the monomers or utilizing the off-stoichiometric maleimide-to-furan ratio. Quasistatic tensile testing, dynamic mechanical analysis, dynamic rheometry, differential scanning calorimetry, and thermogravimetric analysis were employed to evaluate the individual effects of these parameters on material performance. While lowering the crosslink density in the polymer network via decreasing the off-stoichiometric ratio demonstrated the greatest acceleration of healing, it also led to a slight decrease in (dynamic) mechanical performance. On the other hand, reducing crosslink density using longer monomers resulted in faster healing, albeit to a lesser extent, while maintaining the (dynamic) mechanical performance.
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Affiliation(s)
- Ali Safaei
- Physical Chemistry and Polymer Science, Department of Materials and Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium; (A.S.); (J.B.); (S.Y.); (G.V.A.)
| | - Joost Brancart
- Physical Chemistry and Polymer Science, Department of Materials and Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium; (A.S.); (J.B.); (S.Y.); (G.V.A.)
- Brubotics, Vrije Universiteit Brussel and Imec, Pleinlaan 2, B-1050 Brussels, Belgium; (Z.W.); (B.V.)
| | - Zhanwei Wang
- Brubotics, Vrije Universiteit Brussel and Imec, Pleinlaan 2, B-1050 Brussels, Belgium; (Z.W.); (B.V.)
| | - Sogol Yazdani
- Physical Chemistry and Polymer Science, Department of Materials and Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium; (A.S.); (J.B.); (S.Y.); (G.V.A.)
| | - Bram Vanderborght
- Brubotics, Vrije Universiteit Brussel and Imec, Pleinlaan 2, B-1050 Brussels, Belgium; (Z.W.); (B.V.)
| | - Guy Van Assche
- Physical Chemistry and Polymer Science, Department of Materials and Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium; (A.S.); (J.B.); (S.Y.); (G.V.A.)
| | - Seppe Terryn
- Physical Chemistry and Polymer Science, Department of Materials and Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium; (A.S.); (J.B.); (S.Y.); (G.V.A.)
- Brubotics, Vrije Universiteit Brussel and Imec, Pleinlaan 2, B-1050 Brussels, Belgium; (Z.W.); (B.V.)
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3
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Slobodinyuk D, Slobodinyuk A, Strelnikov V, Kiselkov D. Simple and Efficient Synthesis of Oligoetherdiamines: Hardeners of Epoxyurethane Oligomers for Obtaining Coatings with Shape Memory Effect. Polymers (Basel) 2023; 15:polym15112450. [PMID: 37299247 DOI: 10.3390/polym15112450] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
In this work, new polymers with a shape memory effect for self-healing coatings based on oligomers with terminal epoxy groups, synthesized from oligotetramethylene oxide dioles of various molecular weights, were developed. For this purpose, a simple and efficient method for the synthesis of oligoetherdiamines with a high yield of the product, close to 94%, was developed. Oligodiol was treated with acrylic acid in the presence of a catalyst, followed by the reaction of the reaction product with aminoethylpiperazine. This synthetic route can easily be upscaled. The resulting products can be used as hardeners for oligomers with terminal epoxy groups synthesized from cyclic and cycloaliphatic diisocyanates. The effect of the molecular weight of newly synthesized diamines on the thermal and mechanical properties of urethane-containing polymers has been studied. Elastomers synthesized from isophorone diisocyanate showed excellent shape fixity and shape recovery ratios of >95% and >94%, respectively.
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Affiliation(s)
- Daria Slobodinyuk
- Institute of Technical Chemistry Ural Branch of the Russian Academy of Sciences, Academic Korolev 3, 614130 Perm, Russia
| | - Alexey Slobodinyuk
- Institute of Technical Chemistry Ural Branch of the Russian Academy of Sciences, Academic Korolev 3, 614130 Perm, Russia
- Department of Chemical Engineering, Perm National Research Polytechnic University, Komsomolsky Prospekt, 29, 614990 Perm, Russia
| | - Vladimir Strelnikov
- Institute of Technical Chemistry Ural Branch of the Russian Academy of Sciences, Academic Korolev 3, 614130 Perm, Russia
| | - Dmitriy Kiselkov
- Institute of Technical Chemistry Ural Branch of the Russian Academy of Sciences, Academic Korolev 3, 614130 Perm, Russia
- Department of Chemical Engineering, Perm National Research Polytechnic University, Komsomolsky Prospekt, 29, 614990 Perm, Russia
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4
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Study of Cytotoxicity and Internalization of Redox-Responsive Iron Oxide Nanoparticles on PC-3 and 4T1 Cancer Cell Lines. Pharmaceutics 2022; 15:pharmaceutics15010127. [PMID: 36678755 PMCID: PMC9864410 DOI: 10.3390/pharmaceutics15010127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/25/2022] [Accepted: 12/26/2022] [Indexed: 01/01/2023] Open
Abstract
Redox-responsive and magnetic nanomaterials are widely used in tumor treatment separately, and while the application of their combined functionalities is perspective, exactly how such synergistic effects can be implemented is still unclear. This report investigates the internalization dynamics of magnetic redox-responsive nanoparticles (MNP-SS) and their cytotoxicity toward PC-3 and 4T1 cell lines. It is shown that MNP-SS synthesized by covalent grafting of polyethylene glycol (PEG) on the magnetic nanoparticle (MNP) surface via SS-bonds lose their colloidal stability and aggregate fully in a solution containing DTT, and partially in conditioned media, whereas the PEGylated MNP (MNP-PEG) without S-S linker control remains stable under the same conditions. Internalized MNP-SS lose the PEG shell more quickly, causing enhanced magnetic core dissolution and thus increased toxicity. This was confirmed by fluorescence microscopy using MNP-SS dual-labeled by Cy3 via labile disulfide, and Cy5 via a rigid linker. The dyes demonstrated a significant difference in fluorescence dynamics and intensity. Additionally, MNP-SS demonstrate quicker cellular uptake compared to MNP-PEG, as confirmed by TEM analysis. The combination of disulfide bonds, leading to faster dissolution of the iron oxide core, and the high-oxidative potential Fe3+ ions can synergically enhance oxidative stress in comparison with more stable coating without SS-bonds in the case of MNP-PEG. It decreases the cancer cell viability, especially for the 4T1, which is known for being sensitive to ferroptosis-triggering factors. In this work, we have shown the effect of redox-responsive grafting of the MNP surface as a key factor affecting MNP-internalization rate and dissolution with the release of iron ions inside cancer cells. This kind of synergistic effect is described for the first time and can be used not only in combination with drug delivery, but also in treatment of tumors responsive to ferroptosis.
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5
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Kim G, Caglayan C, Yun GJ. Epoxy-Based Catalyst-Free Self-Healing Elastomers at Room Temperature Employing Aromatic Disulfide and Hydrogen Bonds. ACS OMEGA 2022; 7:44750-44761. [PMID: 36530289 PMCID: PMC9753497 DOI: 10.1021/acsomega.2c04559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 10/20/2022] [Indexed: 06/17/2023]
Abstract
In this paper, catalyst-free room-temperature healing epoxy vitrimer-like materials (S-vitrimer) are introduced. The S-vitrimer can be healed at room temperature without any external stimuli such as solvent, pressure, heat, and catalyst through an aromatic disulfide exchange reaction and a hydrogen bond because the glass transition temperature of the S-vitrimer is lower than room temperature. Self-healing materials are attracting widespread attention nowadays with their potential to increase the durability of the materials. However, there is still elevating need for research, considering the limitations of various self-healing methods. To the best of our knowledge, epoxy-based catalyst-free room-temperature healing materials have not been investigated until now, yet they are promising to make self-healing easier. Moreover, the S-vitrimer showed higher healing efficiency when healed for a longer time and at a higher temperature. Especially when healed at room temperature for 96 h, the S-vitrimer presented an 80% healing efficiency. The S-vitrimer also showed an 80% healing efficiency when healed at 60 °C for 48 h. To investigate the factors affecting self-healing behavior, three control experiments were carried out. Control experiments showed that the S-vitrimer is healed mainly due to a disulfide exchange reaction, but hydrogen bonds also contribute to self-healing behavior. Also, it was found that tightly packed segments can hinder self-healing through control experiments.
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Affiliation(s)
- Geonwoo Kim
- Department
of Aerospace Engineering, Seoul National
University, Seoul08826, South Korea
| | - Cigdem Caglayan
- Department
of Aerospace Engineering, Seoul National
University, Seoul08826, South Korea
| | - Gun Jin Yun
- Department
of Aerospace Engineering, Seoul National
University, Seoul08826, South Korea
- Institute
of Advanced Aerospace Engineering Technology, Seoul National University, Seoul08826, South Korea
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6
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Wen J, Wang L, Li R, Tang Q, Yan J, Song D. Design and properties of dynamic self‐healing polyurea molecule based on disulfide bonds. J Appl Polym Sci 2022. [DOI: 10.1002/app.53436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Jie Wen
- College of Chemistry and Materials Science Sichuan Normal University Chengdu China
| | - Lin Wang
- College of Chemistry and Materials Science Sichuan Normal University Chengdu China
| | - Rui Li
- College of Chemistry and Materials Science Sichuan Normal University Chengdu China
| | - Qin Tang
- College of Chemistry and Materials Science Sichuan Normal University Chengdu China
| | - Jinyuan Yan
- College of Chemistry and Materials Science Sichuan Normal University Chengdu China
| | - Dayu Song
- College of Chemistry and Materials Science Sichuan Normal University Chengdu China
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7
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Zhang Y, Yang H, Sun Y, Zheng X, Guo Y. A molecular dynamics simulation on tunable and self-healing epoxy-polyimine network based on imine bond exchange reactions. MOLECULAR SIMULATION 2022. [DOI: 10.1080/08927022.2022.2110601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Yongqin Zhang
- Department of Mechanics, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing, People’s Republic of China
| | - Hua Yang
- School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, People’s Republic of China
| | - Yaguang Sun
- Department of Mechanics, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing, People’s Republic of China
| | - Xiangrui Zheng
- Department of Mechanics, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing, People’s Republic of China
| | - Yafang Guo
- Department of Mechanics, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing, People’s Republic of China
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8
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Sriharshitha S, Krishnadevi K, Devaraju S, Prasanna D. Intrinsic approach of eco-friendly poly (benzoxazine-co-maleicanhydride) materials for self-healing applications. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03162-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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9
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Xu H, Tu J, Ji J, Liang L, Li H, Li P, Zhang X, Gong Q, Guo X. Ultra-High-Strength Self-healing Supramolecular Polyurethane Based on Successive Loose Hydrogen-Bonded Hard Segment Structures. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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Liu W, Ge W, Mei H, Hang G, Li L, Zheng S. Poly(hydroxyurethane‐
co
‐thiourethane)s cross‐linked with disulfide bonds: Synthesis via isocyanate‐free approach, thermomechanical and reprocessing properties. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Weiming Liu
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai PR China
| | - Wenming Ge
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai PR China
| | - Honggang Mei
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai PR China
| | - Guohua Hang
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai PR China
| | - Lei Li
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai PR China
| | - Sixun Zheng
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai PR China
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11
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Naskar S, Moi R, Das I, Biradha K. Halogen⋅⋅⋅Halogen and Halogen⋅⋅⋅π Interactions Enabled Reversible Photo-oligomerization of Conjugated Dienones: Visible Light Triggered Single-Crystal-to-Single-Crystal Transformation. Angew Chem Int Ed Engl 2022; 61:e202204141. [PMID: 35334146 DOI: 10.1002/anie.202204141] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Indexed: 11/08/2022]
Abstract
The synthesis of reversible oligomer/polymers is fascinating both from the perspective of the fundamental understanding as well as their applications, ranging from biomedical to self-healing smart materials. On the other hand, the reactions that occur in single-crystal-to-single-crystal (SCSC) fashion offer great details of the structure, geometry and stereochemistry of the product. However, SCSC [2+2] oligomerization is rather difficult and rare. Further, till date there are no reports for a reversible [2+2] oligomerization in SCSC fashion. In this work, four halogen-substituted acrylic dienone molecules were deliberately designed and their ability to participate in [2+2] cycloaddition reaction in solid state was studied under visible light. Despite of having the required alignment of double bonds of dienes in all four crystal structures, they were found to exhibit variable reactivities given the differences in their weak intermolecular interactions such as halogen⋅⋅⋅halogen, halogen⋅⋅⋅π and C-H⋅⋅⋅O interactions. Notably, one of these materials exhibits reversible oligomerization in a SCSC manner.
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Affiliation(s)
- Sandip Naskar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Rajib Moi
- Department of Chemistry, Indian Institute of Technology (IIT) Kharagpur, Kharagpur, West Bengal 721302, India
| | - Indrajit Das
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Kumar Biradha
- Department of Chemistry, Indian Institute of Technology (IIT) Kharagpur, Kharagpur, West Bengal 721302, India
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12
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Naskar S, Moi R, Das I, Biradha K. Halogen‐Halogen and Halogen‐π Interactions Enabled Reversible Photo‐oligomerization of Conjugated Dienones: Visible Light Triggered Single‐Crystal‐to‐Single‐Crystal Transformation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sandip Naskar
- IICB: Indian Institute of Chemical Biology CSIR Organic and Medicinal Chemistry Division INDIA
| | - Rajib Moi
- Indian Institute of Technology Kharagpur Chemistry INDIA
| | - Indrajit Das
- IICB: Indian Institute of Chemical Biology CSIR Organic and Medicinal Chemistry Division INDIA
| | - Kumar Biradha
- Indian Institute of Technology Chemistry Department of Chemistry 721320 Kharagpur INDIA
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13
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Zhang A, Li J, Fan H, Xiang J, Wang L, Yan J. Effect of mechanical properties on the self‐healing behavior of waterborne polyurethane coatings. J Appl Polym Sci 2022. [DOI: 10.1002/app.52364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Aiqin Zhang
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu China
| | - Jing Li
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu China
| | - Haojun Fan
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu China
| | - Jun Xiang
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu China
| | - Li Wang
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu China
| | - Jun Yan
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu China
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14
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Chen Y, Shi C, Zhang Z, Xu Q, Hu H, Wei Y. Preparation and properties of self-healing polyurethane without external stimulation. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04075-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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Wu X, Liu M, Zhong J, Zhong YT, Rong J, Gao F, Qiao Y, Shen L, He H. Self-healing dynamic bond-based robust polyurethane acrylate hybrid polymers. NEW J CHEM 2022. [DOI: 10.1039/d2nj01439d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, a self-healing hybrid polyurethane acrylate was prepared by solution polymerization of acrylic monomers (2-hydroxypropylmethacrylate/butyl acrylate mixture) in the presence of performed polyurethane chains containing aliphatic disulfide bonds with terminal...
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16
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Roels E, Terryn S, Iida F, Bosman AW, Norvez S, Clemens F, Van Assche G, Vanderborght B, Brancart J. Processing of Self-Healing Polymers for Soft Robotics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2104798. [PMID: 34610181 DOI: 10.1002/adma.202104798] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/27/2021] [Indexed: 06/13/2023]
Abstract
Soft robots are, due to their softness, inherently safe and adapt well to unstructured environments. However, they are prone to various damage types. Self-healing polymers address this vulnerability. Self-healing soft robots can recover completely from macroscopic damage, extending their lifetime. For developing healable soft robots, various formative and additive manufacturing methods have been exploited to shape self-healing polymers into complex structures. Additionally, several novel manufacturing techniques, noted as (re)assembly binding techniques that are specific to self-healing polymers, have been created. Herein, the wide variety of processing techniques of self-healing polymers for robotics available in the literature is reviewed, and limitations and opportunities discussed thoroughly. Based on defined requirements for soft robots, these techniques are critically compared and validated. A strong focus is drawn to the reversible covalent and (physico)chemical cross-links present in the self-healing polymers that do not only endow healability to the resulting soft robotic components, but are also beneficial in many manufacturing techniques. They solve current obstacles in soft robots, including the formation of robust multi-material parts, recyclability, and stress relaxation. This review bridges two promising research fields, and guides the reader toward selecting a suitable processing method based on a self-healing polymer and the intended soft robotics application.
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Affiliation(s)
- Ellen Roels
- Brubotics, Vrije Universiteit Brussel (VUB) and Imec, Pleinlaan 2, Brussels, 1050, Belgium
- Physical Chemistry and Polymer Science (FYSC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, Brussels, 1050, Belgium
| | - Seppe Terryn
- Brubotics, Vrije Universiteit Brussel (VUB) and Imec, Pleinlaan 2, Brussels, 1050, Belgium
- Physical Chemistry and Polymer Science (FYSC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, Brussels, 1050, Belgium
| | - Fumiya Iida
- Machine Intelligence Lab, University of Cambridge, Trumpington Street, Cambridge, CB2 1PZ, UK
| | - Anton W Bosman
- SupraPolix B. V., Horsten 1.29, Eindhoven, 5612 AX, The Netherlands
| | - Sophie Norvez
- Chimie Moléculaire, Macromoléculaire, Matériaux, École Supérieure de Physique et de Chimie (ESPCI), 10 Rue Vauquelin, Paris, 75005, France
| | - Frank Clemens
- Laboratory for High Performance Ceramics, Swiss Federal Laboratories for Materials Science and Technology (EMPA), Überlandstrasse 129, Dübendorf, 8600, Switzerland
| | - Guy Van Assche
- Physical Chemistry and Polymer Science (FYSC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, Brussels, 1050, Belgium
| | - Bram Vanderborght
- Brubotics, Vrije Universiteit Brussel (VUB) and Imec, Pleinlaan 2, Brussels, 1050, Belgium
| | - Joost Brancart
- Physical Chemistry and Polymer Science (FYSC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, Brussels, 1050, Belgium
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17
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Zhang H, An L, Wang X, Niu C, Hou X. A colorless, transparent and mechanically robust polyurethane elastomer: synthesis, chemical resistance and adhesive properties. NEW J CHEM 2022. [DOI: 10.1039/d1nj05874f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
In this work, a transparent, mechanically strong and chemically resistant XDI-PUE adhesive was fabricated, which exhibited a remarkable tensile stress of 21.0 MPa with a break strain of 1608%. XDI-PUE also showed good chemical resistance towards toluene and NaOH aqueous solution.
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Affiliation(s)
- Huijuan Zhang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Li An
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Xue Wang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Chao Niu
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Xinjuan Hou
- CAS Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100090, China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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18
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Zhang C, Lu X, Wang Z, Xia H. Progress in Utilizing Dynamic Bonds to Fabricate Structurally Adaptive Self-Healing, Shape Memory, and Liquid Crystal Polymers. Macromol Rapid Commun 2021; 43:e2100768. [PMID: 34964192 DOI: 10.1002/marc.202100768] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/15/2021] [Indexed: 11/09/2022]
Abstract
Stimuli-responsive structurally dynamic polymers are capable of mimicking the biological systems to adapt themselves to the surrounding environmental changes and subsequently exhibiting a wide range of responses ranging from self-healing to complex shape-morphing. Dynamic self-healing polymers (SHPs), shape-memory polymers (SMPs) and liquid crystal elastomers (LCEs), which are three representative examples of stimuli-responsive structurally dynamic polymers, have been attracting broad and growing interest in recent years because of their potential applications in the fields of electronic skin, sensors, soft robots, artificial muscles, and so on. We review recent advances and challenges in the developments towards dynamic SHPs, SMPs and LCEs, focusing on the chemistry strategies and the dynamic reaction mechanisms that enhance the performances of the materials including self-healing, reprocessing and reprogramming. We compare and discuss the different dynamic chemistries and their mechanisms on the enhanced functions of the materials, where three summary tables are presented: a library of dynamic bonds and the resulting characteristics of the materials. Finally, we provide a critical outline of the unresolved issues and future perspectives on the emerging developments. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Chun Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
| | - Xili Lu
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
| | - Zhanhua Wang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
| | - Hesheng Xia
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
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19
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Wang Y, Li Y, He M, Bai J, Liu B, Li Z. Effect of chain extender on microphase structure and performance of self‐healing polyurethane and poly(urethane‐urea). J Appl Polym Sci 2021. [DOI: 10.1002/app.51371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yulong Wang
- Department of Materials Engineering Taiyuan Institute of Technology Taiyuan China
| | - Yaqiong Li
- Department of Materials Engineering Taiyuan Institute of Technology Taiyuan China
| | - Maoyong He
- Department of Materials Engineering Taiyuan Institute of Technology Taiyuan China
| | - Jingjing Bai
- Department of Materials Engineering Taiyuan Institute of Technology Taiyuan China
| | - Bingxiao Liu
- Department of Materials Engineering Taiyuan Institute of Technology Taiyuan China
| | - Zhenzhong Li
- Department of Materials Engineering Taiyuan Institute of Technology Taiyuan China
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20
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Qu Q, He J, Da Y, Zhu M, Liu Y, Li X, Tian X, Wang H. High Toughness Polyurethane toward Artificial Muscles, Tuned by Mixing Dynamic Hard Domains. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01098] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Qiqi Qu
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- University of Science and Technology of China, Hefei 230026, P. R. China
| | - Jing He
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- University of Science and Technology of China, Hefei 230026, P. R. China
| | - Yunsheng Da
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- University of Science and Technology of China, Hefei 230026, P. R. China
| | - Menghan Zhu
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- University of Science and Technology of China, Hefei 230026, P. R. China
| | - Yanyan Liu
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
| | - Xiaoxiao Li
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
| | - Xingyou Tian
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
| | - Hua Wang
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
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21
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Yang L, Lou J, Yuan J, Deng J. A review of shape memory polymers based on the intrinsic structures of their responsive switches. RSC Adv 2021; 11:28838-28850. [PMID: 35478574 PMCID: PMC9038180 DOI: 10.1039/d1ra04434f] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/23/2021] [Indexed: 12/30/2022] Open
Abstract
Shape memory polymers (SMPs), as stimuli-responsive materials, have attracted worldwide attention. Based on the history and development of SMPs, a variety of reports about SMPs in recent years are summarized in this paper. The responsive switches are analyzed and divided into two kinds according to their intrinsic structures: physical switch and chemical one. Then, detailed classification and comprehensive discussion of SMPs are further elaborated, based on the intrinsic structures of responsive switches and stimulation types. Finally, the development and prospect of SMPs are objectively predicted and forecasted.
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Affiliation(s)
- Lide Yang
- College of Materials Science and Engineering, Hunan University Changsha 410082 P. R. China
| | - Jiankun Lou
- College of Materials Science and Engineering, Hunan University Changsha 410082 P. R. China
| | - Jianmin Yuan
- College of Materials Science and Engineering, Hunan University Changsha 410082 P. R. China
| | - Jianru Deng
- College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China
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22
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Qu Q, Wang H, He J, Da Y, Zhu M, Liu Y, Tian X. Synthesis and properties of responsive self-healing polyurethane containing dynamic disulfide bonds. HIGH PERFORM POLYM 2021. [DOI: 10.1177/09540083211022818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The polymers with pH responsiveness and temperature sensitivity exhibit important applications in many fields. To endow the responsive polymers with self-healing is meaningful work, which contributes to increase their service life and reduce waste of resources significantly. In this research, a series of pH-responsive polyurethanes containing dynamic disulfide bonds and carboxylic acid functional groups were prepared by mixing polycaprolactone diol (PCL), hexamethylene diisocyanate (HDI), 2,2-dimethylolbutyric acid, and bis(2-hydroxyethyl) disulfide. The structure of the polymer was confirmed by some characterization methods such as infrared absorption spectroscopy, Raman scattering spectroscopy, X-ray diffraction, and differential scanning calorimetry. Many performances of the polymer such as the contact angle, thermal stability, mechanics, and self-healing properties can be adjusted by changing the functional units of polyurethanes. The dynamic disulfide bonds in the main chain were observed no harm to the pH response performance, instead which were beneficial to the promotion of heat resistance, tensile properties, and self-healing performance of polyurethane. The elongation at break and the tensile strength are increased by 85.3% and 54.9%, respectively. All the polyurethane exhibited considerable self-healing effects at 110°C, with the highest healing efficiency reaching 93.7%, as a result of the dissociation of hydrogen bonds and the exchange reaction of disulfide bonds.
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Affiliation(s)
- Qiqi Qu
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
- University of Science and Technology of China, Hefei, China
| | - Hua Wang
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
| | - Jing He
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
- University of Science and Technology of China, Hefei, China
| | - Yunsheng Da
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
- University of Science and Technology of China, Hefei, China
| | - Menghan Zhu
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
- University of Science and Technology of China, Hefei, China
| | - Yanyan Liu
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
| | - Xingyou Tian
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
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23
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Beaupre DM, Weiss RG. Thiol- and Disulfide-Based Stimulus-Responsive Soft Materials and Self-Assembling Systems. Molecules 2021; 26:3332. [PMID: 34206043 PMCID: PMC8199128 DOI: 10.3390/molecules26113332] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 11/17/2022] Open
Abstract
Properties and applications of synthetic thiol- and disulfide-based materials, principally polymers, are reviewed. Emphasis is placed on soft and self-assembling materials in which interconversion of the thiol and disulfide groups initiates stimulus-responses and/or self-healing for biomedical and non-biomedical applications.
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Affiliation(s)
| | - Richard G. Weiss
- Department of Chemistry, Georgetown University, Washington, DC 20057, USA;
- Institute for Soft Matter Synthesis and Metrology, Georgetown University, Washington, DC 20057, USA
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24
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Affiliation(s)
- Subrata Mondal
- Department of Mechanical Engineering, National Institute of Technical Teachers’ Training and Research (NITTTR) Kolkata, Kolkata, India
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25
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Rong J, Zhong J, Yan W, Liu M, Zhang Y, Qiao Y, Fu C, Gao F, Shen L, He H. Study on waterborne self-healing polyurethane with dual dynamic units of quadruple hydrogen bonding and disulfide bonds. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123625] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Xiang Z, Chu C, Xie H, Xiang T, Zhou S. Multifunctional Thermoplastic Polyurea Based on the Synergy of Dynamic Disulfide Bonds and Hydrogen Bond Cross-Links. ACS APPLIED MATERIALS & INTERFACES 2021; 13:1463-1473. [PMID: 33382585 DOI: 10.1021/acsami.0c18396] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Integrating the self-healing property with the shape-memory effect is a strategy that extends the service lifetime of shape-memory materials. However, this strategy is inadequate to reshape and recycle through the self-healing property or liquid-state remoldability. For more types of damage, solid-state plasticity is needed as a complementary mechanism to broaden the reprocessing channels of smart materials. In this study, multifunctional thermoplastic polyureas cross-linked by urea hydrogen bonds are prepared, which possess the multipathway remodeling property. The shape transition can be triggered after heating above 65 °C. The synergistic effect of dynamic disulfide bonds and hydrogen bonds causes the thermoplastic polyureas to possess characteristics similar to those of associative covalent adaptable networks. Thus, the polyureas can repair the damage or reconfigure the shape at 75 °C in 15 min by solid-state plasticity, instead of going into a viscous flow state. Soft grippers with various shapes are prepared by integration of solid-state plasticity, and the structure and function of the grippers can be repaired. The integration of solid-state plasticity and the self-healing property broadens the paths of shape-memory polymers in recyclability and reshapability.
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Affiliation(s)
- Zhen Xiang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Chengzhen Chu
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Hui Xie
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Tao Xiang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Shaobing Zhou
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
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27
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Zheng X, Yang H, Sun Y, Zhang Y, Guo Y. A molecular dynamics simulation on self-healing behavior based on disulfide bond exchange reactions. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123111] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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28
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Sriharshitha S, Krishnadevi K, Devaraju S, Srinivasadesikan V, Lee SL. Eco-Friendly Sustainable Poly(benzoxazine- co-urethane) with Room-Temperature-Assisted Self-Healing Based on Supramolecular Interactions. ACS OMEGA 2020; 5:33178-33185. [PMID: 33403279 PMCID: PMC7774256 DOI: 10.1021/acsomega.0c04840] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
This work is an attempt to develop bio-based eco-friendly poly(benzoxazine-co-urethane) [poly(U-co-CDL-aee)] materials using cardanol-based benzoxazines (CDL) and hexamethylene diisocyanate (HMDI) to check their self-healing ability and thermal properties. CDL monomers were synthesized using cardanol, amino ethoxyethanol (aee) or 3-aminopropanol (3-ap), and paraformaldehyde through the Mannich reaction. Later, CDL-aee or CDL-3-ap monomers were copolymerized with a urethane precursor (HMDI), followed by ring-opening polymerization through thermal curing. The thermal properties of poly(U-co-CDL) were evaluated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The self-healing behavior of the bio-based poly(U-co-CDL) was checked by applying a mild external pressure. The results revealed that the developed poly(U-co-CDL) showed repeatable self-healing ability due to supramolecular hydrogen-bonding interactions. Further, the self-healing ability of poly(U-co-CDL) was studied using density functional theory (DFT). From the above results, the developed material with superior self-healing ability can be used in the form of self-healing coatings and composites for various applications with extended shelf-life and reliability.
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Affiliation(s)
- Salendra Sriharshitha
- Polymer
Composites Lab, Division of Chemistry, Department of Sciences &
Humanities, Vignan’s Foundation for
Science, Technology and Research (Deemed to be University), Vadlamudi, 522 213 Guntur, India
| | - Krishnamoorthy Krishnadevi
- Polymer
Composites Lab, Division of Chemistry, Department of Sciences &
Humanities, Vignan’s Foundation for
Science, Technology and Research (Deemed to be University), Vadlamudi, 522 213 Guntur, India
| | - Subramani Devaraju
- Polymer
Composites Lab, Division of Chemistry, Department of Sciences &
Humanities, Vignan’s Foundation for
Science, Technology and Research (Deemed to be University), Vadlamudi, 522 213 Guntur, India
| | - Venkatesan Srinivasadesikan
- Division
of Chemistry, Department of Sciences and Humanities, Vignan’s Foundation for Science, Technology and Research (Deemed
to be University), Vadlamudi, 522 213 Guntur, India
| | - Shyi-Long Lee
- Department
of Chemistry and Biochemistry, National
Chung Cheng University, Chia-yi 621, Taiwan
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29
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A highly stretchable and self-healing hydroxy-terminated polybutadiene elastomer. JOURNAL OF SAUDI CHEMICAL SOCIETY 2020. [DOI: 10.1016/j.jscs.2020.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Dzhardimalieva GI, Yadav BC, Kudaibergenov SE, Uflyand IE. Basic Approaches to the Design of Intrinsic Self-Healing Polymers for Triboelectric Nanogenerators. Polymers (Basel) 2020; 12:E2594. [PMID: 33158271 PMCID: PMC7694280 DOI: 10.3390/polym12112594] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 10/26/2020] [Accepted: 11/02/2020] [Indexed: 12/13/2022] Open
Abstract
Triboelectric nanogenerators (TENGs) as a revolutionary system for harvesting mechanical energy have demonstrated high vitality and great advantage, which open up great prospects for their application in various areas of the society of the future. The past few years have seen exponential growth in many new classes of self-healing polymers (SHPs) for TENGs. This review presents and evaluates the SHP range for TENGs, and also attempts to assess the impact of modern polymer chemistry on the development of advanced materials for TENGs. Among the most widely used SHPs for TENGs, the analysis of non-covalent (hydrogen bond, metal-ligand bond), covalent (imine bond, disulfide bond, borate bond) and multiple bond-based SHPs in TENGs has been performed. Particular attention is paid to the use of SHPs with shape memory as components of TENGs. Finally, the problems and prospects for the development of SHPs for TENGs are outlined.
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Affiliation(s)
- Gulzhian I. Dzhardimalieva
- Laboratory of Metallopolymers, The Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Moscow Region, Russia;
- Moscow Aviation Institute (National Research University), 125993 Moscow, Russia
| | - Bal C. Yadav
- Nanomaterials and Sensors Research Laboratory, Department of Physics, Babasaheb Bhimrao Ambedkar University, Lucknow 226025, India;
| | - Sarkyt E. Kudaibergenov
- Institute of Polymer Materials and Technology, Almaty 050019, Kazakhstan;
- Laboratory of Engineering Profile, Satbayev University, Almaty 050013, Kazakhstan
| | - Igor E. Uflyand
- Department of Chemistry, Southern Federal University, 344006 Rostov-on-Don, Russia
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31
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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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32
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Qu Q, Wang H, He J, Qin T, Da Y, Tian X. Analysis of the microphase structure and performance of self-healing polyurethanes containing dynamic disulfide bonds. SOFT MATTER 2020; 16:9128-9139. [PMID: 32926046 DOI: 10.1039/d0sm01072c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Self-healable polyurethanes can be used in various fields for extended service life and reduced maintenance costs. It is generally believed that the shape memory effect is helpful for achieving a high healing efficiency. The morphological features were focused on in this study as microphase separation is one of the main factors affecting various performances of polyurethanes, including their shape memory behavior and mechanical properties. Microphase separation can be regulated by changing the content and types of the hard segments. With this in mind, polyurethanes from polycaprolactone diol, hexamethylene diisocyanate, and different chain extenders were synthesized, characterized, and designed as promising self-healing polymers. All the polyurethane specimens were equipped with a similar content of hard segments but diverse types, such as aliphatic, aromatic, and disulfide-bonded. Differential scanning calorimetry, thermogravimetric analysis, X-ray diffractometry, infrared spectroscopy, and atomic force microscopy were used to describe the microstructures of the polyurethanes, including the crystalline regions. The relationship between the microphase separation structures and material properties was focused on in this examination. Various properties, including the thermal stability, mechanical behavior, hydrophobicity, and self-healing efficiency showed significant differences due to the change in the hard segments' structure and multiphase distribution. The aliphatic disulfide stimulated the conformation of a proper microphase separation structure (the large heterogeneous structure at physical length scales as well as a more sufficient combination of soft and hard phases), which helped to improve the healing effect as much as possible by effective wound closure and the exchange reactions of disulfide bonds.
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Affiliation(s)
- Qiqi Qu
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China. and University of Science and Technology of China, Hefei 230026, P. R. China
| | - Hua Wang
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China. and Hefei Institute of Technology Innovation, Chinese Academy of Sciences, Hefei 230031, P. R. China
| | - Jing He
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China. and University of Science and Technology of China, Hefei 230026, P. R. China
| | - Tengfei Qin
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China. and University of Science and Technology of China, Hefei 230026, P. R. China
| | - Yunsheng Da
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China. and University of Science and Technology of China, Hefei 230026, P. R. China
| | - Xingyou Tian
- Key Lab of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
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33
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Curnutt A, Smith K, Darrow E, Walters KB. Chemical and Microstructural Characterization of pH and [Ca 2+] Dependent Sol-Gel Transitions in Mucin Biopolymer. Sci Rep 2020; 10:8760. [PMID: 32472040 PMCID: PMC7260187 DOI: 10.1038/s41598-020-65392-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 04/29/2020] [Indexed: 12/22/2022] Open
Abstract
Mucus is responsible for controlling transport and barrier function in biological systems, and its properties can be significantly affected by compositional and environmental changes. In this study, the impacts of pH and CaCl2 were examined on the solution-to-gel transition of mucin, the primary structural component of mucus. Microscale structural changes were correlated with macroscale viscoelastic behavior as a function of pH and calcium addition using rheology, dynamic light scattering, zeta potential, surface tension, and FTIR spectroscopic characterization. Mucin solutions transitioned from solution to gel behavior between pH 4–5 and correspondingly displayed a more than ten-fold increase in viscoelastic moduli. Addition of CaCl2 increased the sol-gel transition pH value to ca. 6, with a twofold increase in loss moduli at low frequencies and ten-fold increase in storage modulus. Changing the ionic conditions—specifically [H+] and [Ca2+] —modulated the sol-gel transition pH, isoelectric point, and viscoelastic properties due to reversible conformational changes with mucin forming a network structure via non-covalent cross-links between mucin chains.
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Affiliation(s)
- Austin Curnutt
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Kaylee Smith
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Emily Darrow
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Keisha B Walters
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA.
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34
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Zhang L, Qiu T, Sun X, Guo L, He L, Ye J, Li X. Achievement of Both Mechanical Properties and Intrinsic Self-Healing under Body Temperature in Polyurethane Elastomers: A Synthesis Strategy from Waterborne Polymers. Polymers (Basel) 2020; 12:E989. [PMID: 32344576 PMCID: PMC7240400 DOI: 10.3390/polym12040989] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 04/18/2020] [Accepted: 04/23/2020] [Indexed: 12/24/2022] Open
Abstract
Inspired by the growing demand for smart and environmentally friendly polymer materials, we employed 2,2'-disulfanediyldianiline (22DTDA) as a chain extender to synthesize a waterborne polyurethane (WPUR). Due to the ortho-substituted structure of the aromatic disulfide, the urea moieties formed a unique microphase structure in the WPUR, its mechanical strength was enhanced more 180 times relative to that of the material prepared without 22DTDA, and excellent self-healing abilities at body temperature in air or under ultrasound in water were obtained. If the self-healing process was carried out at 37 °C, 50 °C or under ultrasound, the ultimate tensile strength and elongation at break of the healed film could reach 13.8 MPa and 1150%, 15.4 MPa and 1215%, or 16 MPa and 1056%, respectively. Moreover, the WPUR films could be re-healed at the same fracture location over three cutting-healing cycles, and the recovery rates of the tensile strength and elongation at break remained almost constant throughout these cycles.
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Affiliation(s)
- Liangdong Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China; (L.Z.); (T.Q.); (X.S.)
| | - Teng Qiu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China; (L.Z.); (T.Q.); (X.S.)
- Beijing Engineering Research Center of Synthesis and Application of Waterborne Polymer, Beijing University of Chemical Technology, Beijing 100029, China; (L.H.); (J.Y.)
| | - Xiting Sun
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China; (L.Z.); (T.Q.); (X.S.)
| | - Longhai Guo
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China; (L.Z.); (T.Q.); (X.S.)
- Beijing Engineering Research Center of Synthesis and Application of Waterborne Polymer, Beijing University of Chemical Technology, Beijing 100029, China; (L.H.); (J.Y.)
| | - Lifan He
- Beijing Engineering Research Center of Synthesis and Application of Waterborne Polymer, Beijing University of Chemical Technology, Beijing 100029, China; (L.H.); (J.Y.)
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jun Ye
- Beijing Engineering Research Center of Synthesis and Application of Waterborne Polymer, Beijing University of Chemical Technology, Beijing 100029, China; (L.H.); (J.Y.)
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiaoyu Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China; (L.Z.); (T.Q.); (X.S.)
- Beijing Engineering Research Center of Synthesis and Application of Waterborne Polymer, Beijing University of Chemical Technology, Beijing 100029, China; (L.H.); (J.Y.)
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China
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Self-Healable and Remoldable Transparent Polyurethane Film with High Dielectric Constant from the Synergistic Effect between Lithium Salt and Ionic Liquid. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06977] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Lee WJ, Cha SH. Improvement of Mechanical and Self-Healing Properties for Polymethacrylate Derivatives Containing Maleimide Modified Graphene Oxide. Polymers (Basel) 2020; 12:E603. [PMID: 32155854 PMCID: PMC7182887 DOI: 10.3390/polym12030603] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/28/2020] [Accepted: 03/03/2020] [Indexed: 01/19/2023] Open
Abstract
In this paper, a self-healable nanocomposite based on the Diels-Alder reaction is developed. A graphene-based nanofiller is introduced to improve the self-healing efficiency, as well as the mechanical properties of the nanocomposite. Graphene oxide (GO) is modified with maleimide functional groups, and the maleimide-modified GO (mGO) enhanced the compatibility of the polymer matrix and nanofiller. The tensile strength of the nanocomposite containing 0.030 wt% mGO is improved by 172%, compared to that of a polymer film incorporating both furan-functionalized polymer and bismaleimide without any nanofiller. Moreover, maleimide groups of the surface on mGO participate in the Diels-Alder reaction, which improves the self-healing efficiency. The mechanical and self-healing properties are significantly improved by using a small amount of mGO.
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Affiliation(s)
| | - Sang-Ho Cha
- Department of Chemical Engineering Kyonggi University, 154-42, Gwanggyosan-ro, Yeongtong-gu, Suwon, Gyeonggi 16227, Korea;
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37
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Fan W, Jin Y, Shi L, Du W, Zhou R. Transparent, eco-friendly, super-tough “living” supramolecular polymers with fast room-temperature self-healability and reprocessability under visible light. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122199] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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38
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Liang F, Wang T, Fan H, Xiang J, Chen Y. A leather coating with self-healing characteristics. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2020. [DOI: 10.1186/s42825-020-0018-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
AbstractGenuine leather is often coated before making daily necessities such as shoes, clothing, bags, sofas, car seats, etc., so as to impart leather products various colours, higher wear resistance and water resistance and so on. However, the coating of these products is often damaged in daily use which will decrease its aesthetic effect and practicability. Therefore, how to improve the scratch resistance of leather coatings has been puzzling people all the time. It is a common knowledge that animals and plants can repair the injured biological tissues by himself. According to this principle, here, we prepared a type of self-healing water-borne polyurethane with disulfide bond in the main chain by using HEDS as chain extender, and the self-healing system was triggered by the disulfide bonds with the help of shape memory function of waterborne Polyurethane, self-healing experiments how that the damaged of leather coating can be repaired fully at 60 °C for 12 h.
Graphical abstract
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39
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Ellingford C, Zhang R, Wemyss AM, Zhang Y, Brown OB, Zhou H, Keogh P, Bowen C, Wan C. Self-Healing Dielectric Elastomers for Damage-Tolerant Actuation and Energy Harvesting. ACS APPLIED MATERIALS & INTERFACES 2020; 12:7595-7604. [PMID: 31944651 DOI: 10.1021/acsami.9b21957] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The actuation and energy-harvesting performance of dielectric elastomers are strongly related to their intrinsic electrical and mechanical properties. For future resilient smart transducers, a fast actuation response, efficient energy-harvesting performance, and mechanical robustness are key requirements. In this work, we demonstrate that poly(styrene-butadiene-styrene) (SBS) can be converted into a self-healing dielectric elastomer with high permittivity and low dielectric loss, which can be deformed to large mechanical strains; these are key requirements for actuation and energy-harvesting applications. Using a one-step click reaction at room temperature for 20 min, methyl-3-mercaptopropionate (M3M) was grafted to SBS and reached 95.2% of grafting ratios. The resultant M3M-SBS can be deformed to a high mechanical strain of 1000%, with a relative permittivity of εr = 7.5 and a low tan δ = 0.03. When used in a dielectric actuator, it can provide 9.2% strain at an electric field of 39.5 MV m-1 and can also generate an energy density of 11 mJ g-1 from energy harvesting. After being subjected to mechanical damage, the self-healed elastomer can recover 44% of its breakdown strength during energy harvesting. This work demonstrates a facile route to produce self-healing, high permittivity, and low dielectric loss elastomers for both actuation and energy harvesting, which is applicable to a wide range of diene elastomer systems.
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Affiliation(s)
- Christopher Ellingford
- International Institute for Nanocomposites Manufacturing (IINM), WMG , University of Warwick , Coventry CV4 7AL , U.K
| | - Runan Zhang
- Department of Mechanical Engineering , University of Bath , Bath BA2 7AY , U.K
| | - Alan M Wemyss
- International Institute for Nanocomposites Manufacturing (IINM), WMG , University of Warwick , Coventry CV4 7AL , U.K
| | - Yan Zhang
- Department of Mechanical Engineering , University of Bath , Bath BA2 7AY , U.K
| | - Oliver B Brown
- International Institute for Nanocomposites Manufacturing (IINM), WMG , University of Warwick , Coventry CV4 7AL , U.K
| | - Hongzhao Zhou
- Department of Mechanical Engineering , University of Bath , Bath BA2 7AY , U.K
| | - Patrick Keogh
- Department of Mechanical Engineering , University of Bath , Bath BA2 7AY , U.K
| | - Christopher Bowen
- Department of Mechanical Engineering , University of Bath , Bath BA2 7AY , U.K
| | - Chaoying Wan
- International Institute for Nanocomposites Manufacturing (IINM), WMG , University of Warwick , Coventry CV4 7AL , U.K
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40
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Fan W, Jin Y, Shi L, Du W, Zhou R, Lai S, Shen Y, Li Y. Achieving Fast Self-Healing and Reprocessing of Supertough Water-Dispersed "Living" Supramolecular Polymers Containing Dynamic Ditelluride Bonds under Visible Light. ACS APPLIED MATERIALS & INTERFACES 2020; 12:6383-6395. [PMID: 31903744 DOI: 10.1021/acsami.9b18985] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
It is very challenging to achieve polymers that are mechanically robust and fast self-healable at ambient conditions, which are highly desirable for smart materials of the next-generation. Herein, combining dynamic ditelluride bonds and 2-ureido-4[1H]-pyrimidinone (UPy) moieties in the main chains, a novel type of visible-light-induced self-healing water-dispersed supramolecular polymers (DTe-WSPs) with outstanding healing properties were developed. The prepared DTe-WSPs emulsions showed excellent emulsion stability, and highly transparent DTe-WSPs films obtained from these emulsions exhibited much improved mechanical properties and fast recoverability after the incorporation of UPy groups, owing to the physical cross-links formed by quadruple hydrogen-bonded UPy moieties. Supertoughness (105.2 MJ m-3) and fast self-healability under visible light (healing efficiency of 85.6% within 10 min) could be achieved simultaneously with the adjustment of the ditelluride content and the UPy content, and the toughness of our polymers is higher than those of the reported ambient temperature self-healable polymers. The visible-light-induced ditelluride metathesis is a predominant factor in the healing process of DTe-WSPs, and the ditelluride metathesis triggered by photothermy and hydrogen bonding could also afford the ultimate healing result. Meanwhile, DTe-WSPs can be reprocessed using visible light, providing a facile way to process polymers at mild conditions. To our surprise, the "living" DTe-WSPs exhibited the ability to initiate the polymerization of vinyl monomers under visible light, which is first reported for water-dispersed self-healing polymers. We considered the elaborated design philosophy, based on the readily available, clean, safe, and easily manipulated visible light, which can not only provide inspiration for preparing fast ambient temperature self-healing and reprocessing polymer materials with robust mechanical properties but also develop a new macroinitiator to initiate the ambient temperature polymerization of vinyl monomers.
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Affiliation(s)
- Wuhou Fan
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of High-Tech Organic Fibers of Sichuan Province , Sichuan Textile Scientific Research Institute , No. 2, Twelve Bridge Road , Chengdu 610072 , China
| | - Yong Jin
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
| | - Liangjie Shi
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
| | - Weining Du
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
| | - Rong Zhou
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
| | - Shuanquan Lai
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
| | - Yichao Shen
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
| | - Yupeng Li
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , No. 24 South Section 1, Yihuan Road , Chengdu 610065 , China
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Abdallh M, He P, Hearn MTW, Simon GP, Saito K. Light-Switchable Self-Healing Dynamic Linear Polymers: Reversible Cycloaddition Reactions of Thymine-Containing Units. Chempluschem 2020; 84:333-337. [PMID: 31939219 DOI: 10.1002/cplu.201900079] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/17/2019] [Indexed: 11/09/2022]
Abstract
A dynamic linear polymer was formed by the [2π+2π] reversible cycloaddition reaction of a thymine-based monomer under topochemical conditions and was used in self-healing applications. The reversible polymerisation of the thymine monomer was confirmed by UV and GPC analysis. Irradiation at 302 nm resulted in polymerisation of the monomer, and irradiation with wavelengths lower than 240 nm resulted in depolymerisation and the production of oligomeric units. This leads to a reduction in the glass transition temperature, and promoted healing of surface scratches due to the increased chain mobility. The self-healing ability of scratched samples was assessed based on the visual disappearance of the damage. In addition, the mechanical properties of the polymer before and after healing were found to be similar.
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Affiliation(s)
- Mustafa Abdallh
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Peter He
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Milton T W Hearn
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - George P Simon
- Department of Materials Science and Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Kei Saito
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
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43
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Dzhardimalieva GI, Yadav BC, Singh S, Uflyand IE. Self-healing and shape memory metallopolymers: state-of-the-art and future perspectives. Dalton Trans 2020; 49:3042-3087. [DOI: 10.1039/c9dt04360h] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Recent achievements and problems associated with the use of metallopolymers as self-healing and shape memory materials are presented and evaluated.
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Affiliation(s)
- Gulzhian I. Dzhardimalieva
- Laboratory of Metallopolymers
- The Institute of Problems of Chemical Physics RAS
- Chernogolovka
- 142432 Russian Federation
| | - Bal C. Yadav
- Nanomaterials and Sensors Research Laboratory
- Department of Physics
- Babasaheb Bhimrao Ambedkar University
- Lucknow-226025
- India
| | - Shakti Singh
- Nanomaterials and Sensors Research Laboratory
- Department of Physics
- Babasaheb Bhimrao Ambedkar University
- Lucknow-226025
- India
| | - Igor E. Uflyand
- Department of Chemistry
- Southern Federal University
- Rostov-on-Don
- 344006 Russian Federation
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44
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Wang X, Zhang H, Yang B, Wang L, Sun H. A colorless, transparent and self-healing polyurethane elastomer modulated by dynamic disulfide and hydrogen bonds. NEW J CHEM 2020. [DOI: 10.1039/c9nj06457e] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A self-healing PU elastomer modulated by disulfide and hydrogen bonding with high transparency of 97% was reported.
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Affiliation(s)
- Xue Wang
- School of Materials Science and Mechanical Engineering
- Beijing Technology and Business University
- Beijing 100048
- People's Republic of China
| | - Huijuan Zhang
- School of Materials Science and Mechanical Engineering
- Beijing Technology and Business University
- Beijing 100048
- People's Republic of China
| | - Biao Yang
- School of Materials Science and Mechanical Engineering
- Beijing Technology and Business University
- Beijing 100048
- People's Republic of China
| | - Liguo Wang
- Key Laboratory for Green Process and Engineering
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process and Engineering
- Chinese Academy of Sciences
- Beijing 100190
| | - Hui Sun
- School of Materials Science and Mechanical Engineering
- Beijing Technology and Business University
- Beijing 100048
- People's Republic of China
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45
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Choi EY, Shin JC, Lee JY, Kim MH, Kim CK. Accelerated Life Testing of Thermoplastic Polyurethane Encapsulants Used in Underwater Acoustic Sensor. Macromol Res 2019. [DOI: 10.1007/s13233-020-8066-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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46
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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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47
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Ha YM, Seo HC, Kim YO, Khil MS, Cho JW, Lee JS, Jung YC. Effects of Hard Segment of Polyurethane with Disulfide Bonds on Shape Memory and Self-Healing Ability. Macromol Res 2019. [DOI: 10.1007/s13233-020-8027-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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48
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Liang JY, Shin SR, Lee SH, Lee DS. Characteristics of Self-Healable Copolymers of Styrene and Eugenol Terminated Polyurethane Prepolymer. Polymers (Basel) 2019; 11:E1674. [PMID: 31615025 PMCID: PMC6835734 DOI: 10.3390/polym11101674] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 09/29/2019] [Accepted: 10/11/2019] [Indexed: 01/21/2023] Open
Abstract
With limited biomass that can be currently utilized as a renewable resource, it is important to develop a method to convert biomass into materials that can replace fossil fuel product. In this paper, eugenol, a bio-based allyl chain-substituted guaiacol, was used to synthesize self-healable copolymers. Eugenol terminated polyurethane prepolymer (ETPU) was synthesized from eugenol and polyurethane prepolymers terminated with isocyanate groups. ETPU contained two allyl groups. Self-healing copolymer networks were obtained by copolymerization of ETPU and styrene monomer via free radical polymerization. Effects of ETPU content on the properties of copolymers were then studied. These copolymers containing ETPU exhibited good thermal stability and mechanical properties. These copolymers showed higher tensile strength and elongation at break than PS. Their maximum tensile strength reached 19 MPa. In addition, these copolymers showed self-healing property at elevated temperature due to the reversible nature of urethane units in ETPU.
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Affiliation(s)
- Jing-Yu Liang
- Department of Semiconductor and Chemical Engineering, Chonbuk National University, 567 Baekje-daero, Deokjini-gu, Jeonju 54896, Korea.
| | - Se-Ra Shin
- Department of Semiconductor and Chemical Engineering, Chonbuk National University, 567 Baekje-daero, Deokjini-gu, Jeonju 54896, Korea.
| | - Soo-Hyoung Lee
- Department of Semiconductor and Chemical Engineering, Chonbuk National University, 567 Baekje-daero, Deokjini-gu, Jeonju 54896, Korea.
| | - Dai-Soo Lee
- Research Institute of Future Energy, Chonbuk National University, 567 Baekje-daero, Deokjini-gu, Jeonju 54896, Korea.
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Ha YM, Kim YO, Ahn S, Lee SK, Lee JS, Park M, Chung JW, Jung YC. Robust and stretchable self-healing polyurethane based on polycarbonate diol with different soft-segment molecular weight for flexible devices. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.05.031] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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50
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Niu X, Wang F, Kui X, Zhang R, Wang X, Li X, Chen T, Sun P, Shi A. Dual Cross‐linked Vinyl Vitrimer with Efficient Self‐Catalysis Achieving Triple‐Shape‐Memory Properties. Macromol Rapid Commun 2019; 40:e1900313. [DOI: 10.1002/marc.201900313] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Xiling Niu
- Key Laboratory of Functional Polymer Materials of the Ministry of Education and College of ChemistryNankai University Tianjin 300071 P. R. China
| | - Fenfen Wang
- Key Laboratory of Functional Polymer Materials of the Ministry of Education and College of ChemistryNankai University Tianjin 300071 P. R. China
| | - Xing Kui
- Department of Polymer Science and EngineeringNanjing University Nanjing 210093 P. R. China
| | - Rongchun Zhang
- South China Advanced Institute for Soft Matter Science and Technology (AISMST)South China University of Technology Guangzhou 510640 P. R. China
| | - Xiaoliang Wang
- Department of Polymer Science and EngineeringNanjing University Nanjing 210093 P. R. China
| | - Xiaohui Li
- School of Materials Science and Engineering, and Tianjin Key Laboratory of Composite and Functional MaterialsTianjin University Tianjin 300072 P. R. China
| | - Tiehong Chen
- Institute of New Catalytic Materials ScienceSchool of Materials Science and EngineeringKey Laboratory of Advanced Energy Materials Chemistry (MOE)Nankai University Tianjin 300350 P. R. China
| | - Pingchuan Sun
- Key Laboratory of Functional Polymer Materials of the Ministry of Education and College of ChemistryNankai University Tianjin 300071 P. R. China
| | - An‐Chang Shi
- Department of Physics and AstronomyMcMaster University Hamilton Ontario L8S 4M1 Canada
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