1
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Elizalde F, Pertici V, Aguirresarobe R, Ximenis M, Vozzolo G, Lezama L, Ruipérez F, Gigmes D, Sardon H. Tuning Reprocessing Temperature of Aliphatic Polyurethane Networks by Alkoxyamine Selection. ACS APPLIED POLYMER MATERIALS 2024; 6:7057-7065. [PMID: 38961862 PMCID: PMC11217918 DOI: 10.1021/acsapm.4c00840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/24/2024] [Accepted: 05/29/2024] [Indexed: 07/05/2024]
Abstract
Recent studies have shown that the largest employed thermoset family, polyurethanes (PUs), has great potential to be reprocessed due to the dynamic behavior of carbamate linkage. However, it requires high temperatures, especially in the case of aliphatic PUs, which causes side reactions besides the desired exchange reaction. To facilitate the reprocessing of aliphatic PUs, in this work, we have explored the dynamic potential of alkoxyamine bonds in PU networks to facilitate the reprocessing under mild conditions considering their fast recombination ability. Taking advantage of the structural effect of the nitroxide and alkyl radicals on the dissociation energy, two different alkoxyamine-based diols have been designed and synthesized to generate PU networks. Our study shows that replacing 50 mol % of a nondynamic diol chain extender with these dynamic blocks boosts the relaxation times of the networks, enabling reprocessing at temperatures as low as 80 °C.
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Affiliation(s)
- Fermin Elizalde
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa
72, 20018 Donostia-San
Sebastian, Spain
| | - Vincent Pertici
- Aix
Marseille Univ, CNRS, ICR UMR 7273, 13397 Marseille, France
| | - Robert Aguirresarobe
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa
72, 20018 Donostia-San
Sebastian, Spain
| | - Marta Ximenis
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa
72, 20018 Donostia-San
Sebastian, Spain
| | - Giulia Vozzolo
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa
72, 20018 Donostia-San
Sebastian, Spain
| | - Luis Lezama
- Department
of Inorganic Chemistry and BC Materials, University of the Basque Country UPV/EHU, E-48080 Bilbao, Spain
| | - Fernando Ruipérez
- POLYMAT
and Physical Chemistry Department, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006 Vitoria-Gasteiz, Spain
| | - Didier Gigmes
- Aix
Marseille Univ, CNRS, ICR UMR 7273, 13397 Marseille, France
| | - Haritz Sardon
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa
72, 20018 Donostia-San
Sebastian, Spain
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2
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Liu J, Urban MW. Dynamic Interfaces in Self-Healable Polymers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:7268-7285. [PMID: 38395626 DOI: 10.1021/acs.langmuir.3c03696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
It is well-established that interfaces play critical roles in biological and synthetic processes. Aside from significant practical applications, the most accessible and measurable quantity is interfacial tension, which represents a measure of the energy required to create or rejoin two surfaces. Owing to the fact that interfacial processes are critical in polymeric materials, this review outlines recent advances in dynamic interfacial processes involving physics and chemistry targeting self-healing. Entropic interfacial energies stored during damage participate in the recovery, and self-healing depends upon copolymer composition and monomer sequence, monomer molar ratios, molecular weight, and polymer dispersity. These properties ultimately impact chain flexibility, shape-memory recovery, and interfacial interactions. Self-healing is a localized process with global implications on mechanical and other properties. Selected examples driven by interfacial flow and shape memory effects are discussed in the context of covalent and supramolecular rebonding targeting self-healable materials development.
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Affiliation(s)
- Jiahui Liu
- Department of Materials Science and Engineering Clemson University, Clemson, South Carolina 29634, United States
| | - Marek W Urban
- Department of Materials Science and Engineering Clemson University, Clemson, South Carolina 29634, United States
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3
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Pal TS, Mondal P, Kundu N, Chakraborty S, Ganguly D, Singha NK. Supramolecular Polymer Network based on Electrophilic Substitution (ES) Adduct of Furan-Triazolinedione. Chemistry 2024; 30:e202303367. [PMID: 38010810 DOI: 10.1002/chem.202303367] [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: 10/17/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 11/29/2023]
Abstract
Polymers with furan functionality have been the subject of extensive research on developing sustainable materials applying a limited number of dynamic covalent approaches. Herein, we introduce a facile, dynamic non-covalent approach to make a furan polymer readily accessible for self-healing applications based on its electrophilic substitution (ES) with a commercially available 1,2,4-triazoline-3,5-dione (TAD) derivative, 4-phenyl-TAD (PTAD). A tailor-made furan polymer, poly(furfuryl methacrylate) (PFMA), considering it an initial illustrative example, was rapidly ES modified with PTAD to produce furfuryl-tagged triazolidine that subsequently associated via inter-molecular hydrogen (H-) bonding to produce a thermally reversible supramolecular polymer network under ambient conditions. The H-bonded network was experimentally quantified via ATR-IR analysis and theoretically rationalized via the density functional theory (DFT) study using smaller organic model compounds analogous to the macromolecular system. Thermoreversible feature of the H-bonded triazolidine-derived supramolecular polymer network enabled the solution reprocessing and self-healing of the polymer material.
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Affiliation(s)
- Tuhin Subhra Pal
- Rubber Technology Center, Indian Institute of Technology, Kharagpur, 721302, India
| | - Prantik Mondal
- Rubber Technology Center, Indian Institute of Technology, Kharagpur, 721302, India
- Present address, Department of Chemistry and Biochemistry, University of California, La Jolla, San Diego, California, 92093, USA
| | - Niloy Kundu
- Environment Research Group, Research and Development, Tata Steel Ltd., Jamshedpur, 831017, India
| | - Swadhin Chakraborty
- Rubber Technology Center, Indian Institute of Technology, Kharagpur, 721302, India
| | - Debabrata Ganguly
- Rubber Technology Center, Indian Institute of Technology, Kharagpur, 721302, India
| | - Nikhil K Singha
- Rubber Technology Center, Indian Institute of Technology, Kharagpur, 721302, India
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4
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Roppolo I, Caprioli M, Pirri CF, Magdassi S. 3D Printing of Self-Healing Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2305537. [PMID: 37877817 DOI: 10.1002/adma.202305537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/11/2023] [Indexed: 10/26/2023]
Abstract
This review article presents a comprehensive overview of the latest advances in the field of 3D printable structures with self-healing properties. Three-dimensional printing (3DP) is a versatile technology that enables the rapid manufacturing of complex geometric structures with precision and functionality not previously attainable. However, the application of 3DP technology is still limited by the availability of materials with customizable properties specifically designed for additive manufacturing. The addition of self-healing properties within 3D printed objects is of high interest as it can improve the performance and lifespan of structural components, and even enable the mimicking of living tissues for biomedical applications, such as organs printing. The review will discuss and analyze the most relevant results reported in recent years in the development of self-healing polymeric materials that can be processed via 3D printing. After introducing the chemical and physical self-healing mechanism that can be exploited, the literature review here reported will focus in particular on printability and repairing performances. At last, actual perspective and possible development field will be critically discussed.
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Affiliation(s)
- Ignazio Roppolo
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, Turin, 10129, Italy
- Istituto Italiano di Tecnologia, Center for Sustainable Futures @Polito, Via Livorno 60, Turin, 10144, Italy
| | - Matteo Caprioli
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, Turin, 10129, Italy
- Casali Center for Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem, 9090145, Israel
| | - Candido F Pirri
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, Turin, 10129, Italy
- Istituto Italiano di Tecnologia, Center for Sustainable Futures @Polito, Via Livorno 60, Turin, 10144, Italy
| | - Shlomo Magdassi
- Casali Center for Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem, 9090145, Israel
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Zhang T, Li CH, Li W, Wang Z, Gu Z, Li J, Yuan J, Ou-Yang J, Yang X, Zhu B. A Self-Healing Optoacoustic Patch with High Damage Threshold and Conversion Efficiency for Biomedical Applications. NANO-MICRO LETTERS 2024; 16:122. [PMID: 38372850 PMCID: PMC10876513 DOI: 10.1007/s40820-024-01346-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/29/2023] [Indexed: 02/20/2024]
Abstract
Compared with traditional piezoelectric ultrasonic devices, optoacoustic devices have unique advantages such as a simple preparation process, anti-electromagnetic interference, and wireless long-distance power supply. However, current optoacoustic devices remain limited due to a low damage threshold and energy conversion efficiency, which seriously hinder their widespread applications. In this study, using a self-healing polydimethylsiloxane (PDMS, Fe-Hpdca-PDMS) and carbon nanotube composite, a flexible optoacoustic patch is developed, which possesses the self-healing capability at room temperature, and can even recover from damage induced by cutting or laser irradiation. Moreover, this patch can generate high-intensity ultrasound (> 25 MPa) without the focusing structure. The laser damage threshold is greater than 183.44 mJ cm-2, and the optoacoustic energy conversion efficiency reaches a major achievement at 10.66 × 10-3, compared with other carbon-based nanomaterials and PDMS composites. This patch is also been successfully examined in the application of acoustic flow, thrombolysis, and wireless energy harvesting. All findings in this study provides new insight into designing and fabricating of novel ultrasound devices for biomedical applications.
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Affiliation(s)
- Tao Zhang
- School of Integrated Circuit, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Cheng-Hui Li
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, People's Republic of China
| | - Wenbo Li
- School of Integrated Circuit, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Zhen Wang
- National Institute of Dental and Craniofacial Research (NIDCR), National Institutes of Health (NIH), 35A Convent Drive, Bethesda, MD, 20892, USA
| | - Zhongya Gu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Jiapu Li
- School of Integrated Circuit, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Junru Yuan
- School of Integrated Circuit, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Jun Ou-Yang
- School of Integrated Circuit, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Xiaofei Yang
- School of Integrated Circuit, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Benpeng Zhu
- School of Integrated Circuit, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China.
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6
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Liu W, Sun Z, Ren H, Wen X, Wang W, Zhang T, Xiao L, Zhang G. Research Progress of Self-Healing Polymer for Ultraviolet-Curing Three-Dimensional Printing. Polymers (Basel) 2023; 15:4646. [PMID: 38139898 PMCID: PMC10748115 DOI: 10.3390/polym15244646] [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: 09/24/2023] [Revised: 11/27/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Ultraviolet (UV)-curing technology as a photopolymerization technology has received widespread attention due to its advantages of high efficiency, wide adaptability, and environmental friendliness. Ultraviolet-based 3D printing technology has been widely used in the printing of thermosetting materials, but the permanent covalent cross-linked networks of thermosetting materials which are used in this method make it hard to recover the damage caused by the printing process through reprocessing, which reduces the service life of the material. Therefore, introducing dynamic bonds into UV-curable polymer materials might be a brilliant choice which can enable the material to conduct self-healing, and thus meet the needs of practical applications. The present review first introduces photosensitive resins utilizing dynamic bonds, followed by a summary of various types of dynamic bonds approaches. We also analyze the advantages/disadvantages of diverse UV-curable self-healing polymers with different polymeric structures, and outline future development trends in this field.
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Affiliation(s)
- Wenhao Liu
- National Special Superfine Powder Engineering Research Center of China, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; (W.L.); (Z.S.); (H.R.); (L.X.)
| | - Zhe Sun
- National Special Superfine Powder Engineering Research Center of China, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; (W.L.); (Z.S.); (H.R.); (L.X.)
| | - Hao Ren
- National Special Superfine Powder Engineering Research Center of China, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; (W.L.); (Z.S.); (H.R.); (L.X.)
| | - Xiaomu Wen
- Science and Technology on Transient Impact Laboratory, No. 208 Research Institute of China Ordnance Industries, Beijing 102202, China;
| | - Wei Wang
- Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, 58 Qinghe Road, Xiangyang 441003, China; (W.W.); (T.Z.)
| | - Tianfu Zhang
- Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, 58 Qinghe Road, Xiangyang 441003, China; (W.W.); (T.Z.)
| | - Lei Xiao
- National Special Superfine Powder Engineering Research Center of China, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; (W.L.); (Z.S.); (H.R.); (L.X.)
| | - Guangpu Zhang
- National Special Superfine Powder Engineering Research Center of China, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; (W.L.); (Z.S.); (H.R.); (L.X.)
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7
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Cioc RC, Harsevoort E, Lutz M, Bruijnincx PCA. Efficient synthesis of fully renewable, furfural-derived building blocks via formal Diels-Alder cycloaddition of atypical addends. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2023; 25:9689-9694. [PMID: 38028818 PMCID: PMC10680129 DOI: 10.1039/d3gc02357e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/30/2023] [Indexed: 12/01/2023]
Abstract
Diels-Alder (DA) cycloaddition of furanics is emerging as a key transformation in circular chemistry, providing access to highly versatile, biobased platform molecules. Further development of this technology into viable industrial applications faces major challenges, a notorious one being the lack of reactivity of the most readily available furans, i.e. the furfural derivatives. Herein we describe the remarkably-facile intramolecular DA reaction of allyl acetals of different furfurals to efficiently afford formal DA adducts with the atypical, unreactive dienophile allyl alcohol. Our methodology gives access to unprecedented oxanorbornene derivatives in high chemo-, regio- and stereoselectivity, which can be readily diversified into valuable products. This offers the potential of scalable production of renewable chemical building blocks from cheap, bioderived platform molecules.
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Affiliation(s)
- Răzvan C Cioc
- Organic Chemistry and Catalysis, Institute for Sustainable and Circular Chemistry, Faculty of Science, Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Eva Harsevoort
- Organic Chemistry and Catalysis, Institute for Sustainable and Circular Chemistry, Faculty of Science, Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Martin Lutz
- Dr M. Lutz, Structural Biochemistry, Bijvoet Centre for Biomolecular Research, Faculty of Science, Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Pieter C A Bruijnincx
- Organic Chemistry and Catalysis, Institute for Sustainable and Circular Chemistry, Faculty of Science, Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
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8
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Choi K, Noh A, Kim J, Hong PH, Ko MJ, Hong SW. Properties and Applications of Self-Healing Polymeric Materials: A Review. Polymers (Basel) 2023; 15:4408. [PMID: 38006132 PMCID: PMC10674826 DOI: 10.3390/polym15224408] [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: 09/23/2023] [Revised: 10/29/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Self-healing polymeric materials, engineered to autonomously self-restore damages from external stimuli, are at the forefront of sustainable materials research. Their ability to maintain product quality and functionality and prolong product life plays a crucial role in mitigating the environmental burden of plastic waste. Historically, initial research on the development of self-healing materials has focused on extrinsic self-healing systems characterized by the integration of embedded healing agents. These studies have primarily focused on optimizing the release of healing agents and ensuring rapid self-healing capabilities. In contrast, recent advancements have shifted the focus towards intrinsic self-healing systems that utilize their inherent reactivity and interactions within the matrix. These systems offer the advantage of repeated self-healing over the same damaged zone, which is attributed to reversible chemical reactions and supramolecular interactions. This review offers a comprehensive perspective on extrinsic and intrinsic self-healing approaches and elucidates their unique properties and characteristics. Furthermore, various self-healing mechanisms are surveyed, and insights from cutting-edge studies are integrated.
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Affiliation(s)
- Kiwon Choi
- Department of Chemical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Ahyeon Noh
- Department of Chemical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Jinsil Kim
- Department of Chemical Engineering, University of Montreal, 2900 Edouard Montpeit Blvc, Montreal, QC H3T 1J4, Canada
| | - Pyong Hwa Hong
- Green and Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Chungcheongnam-do, Republic of Korea
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Min Jae Ko
- Department of Chemical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Sung Woo Hong
- Green and Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Chungcheongnam-do, Republic of Korea
- Convergence Research Center for Solutions to Electromagnetic Interference in Future-Mobility, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea
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9
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Koo B, Kim C. Synthesis of Stereocontrolled Degradable Polymer by Living Cascade Enyne Metathesis Polymerization. Angew Chem Int Ed Engl 2023; 62:e202312399. [PMID: 37737689 DOI: 10.1002/anie.202312399] [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: 08/23/2023] [Revised: 09/22/2023] [Accepted: 09/22/2023] [Indexed: 09/23/2023]
Abstract
A stereocontrolled degradable polymer was synthesized via living cascade enyne metathesis polymerization. Highly stereodefined N,O-acetal-containing enyne monomers were prepared using the Pd-catalyzed hydroamination of alkoxyallenes and ring-closing metathesis. The resulting chiral polymer exhibited a narrow dispersity window. Block copolymers were prepared not only by sequentially adding nondegradable and degradable monomers but also by using enantiomerically different monomers to produce stereocontrolled blocks. Owing to the hydrolyzable N,O-acetal moiety in the backbone structure, the resulting polymer could degrade under acidic conditions generated using various acid concentrations to control the degradation. Additionally, the aza-Diels-Alder reaction modified the polymer without losing the stereochemistry.
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Affiliation(s)
- Bonwoo Koo
- Department of Chemistry, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, 28644, Cheongju, Republic of Korea
| | - Cheoljae Kim
- Department of Chemistry, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, 28644, Cheongju, Republic of Korea
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10
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Anžlovar A, Pavlica DJ, Pahovnik D, Žagar E. Dynamic Properties of Di(cyclopentadienecarboxylic Acid) Dimethyl Esters. Int J Mol Sci 2023; 24:14980. [PMID: 37834428 PMCID: PMC10573197 DOI: 10.3390/ijms241914980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/02/2023] [Accepted: 10/05/2023] [Indexed: 10/15/2023] Open
Abstract
Di(cyclopentadienecarboxylic acid) dimethyl ester (DCPDME) is a potential dynamic covalent system. When such molecules are used as dynamic crosslinkers in polymers, understanding the reversibility of cyclopentadiene dimerization is crucial to determine optimal melt processing conditions. To this end, we synthesized DCPDME, which consists of three regioisomers with different physicochemical properties, which were investigated by isolating them and further characterizing them using 1H NMR, FTIR and DSC. There have been many attempts to improve the synthesis process to increase the reaction yield and purity of isomer 3, and this goal remains a challenge today. In this work, we show that pure isomers 1 and 2 irreversibly convert to the more stable DCPDME isomer 3 at temperatures between 120 and 140 °C in N2. This shows that isolation of the pure isomer 3 from the DCPDME isomer mixture is not necessary. The DCPDME isomer 3 is reversibly cleaved to the monomeric cyclopentadienecarboxylic acid methyl ester (CPME), as confirmed with GC-MS and the resulting mass spectrum. The conversion of DCPDME isomers 1 and 2 to isomer 3 was confirmed by heating the synthesized mixture of DCPDME isomers at 135 °C for 5 min in N2, producing an almost pure isomer 3 which increased its synthesis yield by 35%.
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Affiliation(s)
- Alojz Anžlovar
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
| | - Damjan Jan Pavlica
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
| | - David Pahovnik
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
| | - Ema Žagar
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
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11
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Alves TV, Fernández I. Understanding the reactivity and selectivity of Diels-Alder reactions involving furans. Org Biomol Chem 2023; 21:7767-7775. [PMID: 37698053 DOI: 10.1039/d3ob01343j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
The reactivity and endo/exo selectivity of the Diels-Alder cycloaddition reactions involving furan and substituted furans as dienes have been computationally explored. In comparison to cyclopentadiene, it is found that furan is comparatively less reactive and also less endo-selective in the reaction with maleic anhydride as the dienophile. Despite that, both the reactivity and the selectivity can be successfully modified by the presence of substituents at either 2- or 3-positions of the heterocycle. In this sense, it is found that the presence of strong electron-donor groups significantly increases the reactivity of the system while the opposite is found in the presence of electron-withdrawing groups. The observed trends in both the reactivity and selectivity are analyzed quantitatively in detail by means of the activation strain model of reactivity in combination with the energy decomposition analysis methods.
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Affiliation(s)
- Tiago Vinicius Alves
- Departamento de Físico-Química, Instituto de Química - Universidade Federal da Bahia, Salvador, 40170-115, Bahia, Brazil.
| | - Israel Fernández
- Departmento de Química Orgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria, 28040 Madrid, Spain.
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12
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Ding X, Fan L, Wang L, Zhou M, Wang Y, Zhao Y. Designing self-healing hydrogels for biomedical applications. MATERIALS HORIZONS 2023; 10:3929-3947. [PMID: 37577809 DOI: 10.1039/d3mh00891f] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Self-healing hydrogels have emerged as the most promising alternatives to conventional brittle hydrogels used in the biomedical field due to the features of long-term stability and durability. However, the incompatibility between the fast self-healing property and enough mechanical strength of hydrogels remains a challenge. Therefore, hydrogels that possess not only mechanical toughness but also autonomous self-healing capacity are sought after. This review presents a comprehensive summary of the latest self-healing mechanisms. Specifically, we review various systems based on dynamic bonds, ranging from dynamic covalent bonds to non-covalent bonds. Additionally, this review presents different characterization methods for self-healing hydrogels, and also highlights their potential applications in the biomedical field, such as tissue engineering, drug delivery, cell therapy, and wound dressing. Furthermore, this review aims to provide valuable guidance for constructing diverse self-healing hydrogels with tailored functions.
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Affiliation(s)
- Xiaoya Ding
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China.
| | - Lu Fan
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China.
| | - Li Wang
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China.
| | - Min Zhou
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Yongxiang Wang
- Department of Orthopedics, The Yangzhou Clinical Medical College of Xuzhou Medical University, Yangzhou, 225001, China.
| | - Yuanjin Zhao
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China.
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13
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Wang J, Li J, Zhang J, Liu S, Wan L, Liu Z, Huang F. High-Performance Reversible Furan-Maleimide Resins Based on Furfuryl Glycidyl Ether and Bismaleimides. Polymers (Basel) 2023; 15:3470. [PMID: 37631526 PMCID: PMC10459929 DOI: 10.3390/polym15163470] [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: 06/28/2023] [Revised: 08/12/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
Two reversible furan-maleimide resins, in which there are rigid -Ph-CH2-Ph- structures and flexible -(CH2)6- structures in bismaleimides, were synthesized from furfuryl glycidyl ethers (FGE), 4,4'-diaminodiphenyl ether (ODA), N,N'-4,4'-diphenylmethane-bismaleimide (DBMI), and N,N'-hexamethylene-bismaleimide (HBMI). The structures of the resins were confirmed using Fourier transform infrared analysis, and the thermoreversibility was evidenced using differential scanning calorimetry (DSC) analysis, as well as the sol-gel transformation process. Mechanical properties and recyclability of the resins were preliminarily evaluated using the flexural test. The results show the Diels-Alder (DA) reaction occurs at about 90 °C and the reversible DA reaction occurs at 130-140 °C for the furan-maleimide resin. Thermally reversible furan-maleimide resins have high mechanical properties. The flexural strength of cured FGE-ODA-HBMI resin arrives at 141 MPa. The resins have a repair efficiency of over 75%. After being hot-pressed three times, two resins display flexural strength higher than 80 MPa.
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Affiliation(s)
- Jiawen Wang
- Key Laboratory for Specially Functional Materials and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; (J.W.); (S.L.)
| | - Jixian Li
- Key Laboratory for Specially Functional Materials and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; (J.W.); (S.L.)
| | - Jun Zhang
- Key Laboratory for Specially Functional Materials and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; (J.W.); (S.L.)
| | - Shuyue Liu
- Key Laboratory for Specially Functional Materials and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; (J.W.); (S.L.)
| | - Liqiang Wan
- Key Laboratory for Specially Functional Materials and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; (J.W.); (S.L.)
| | - Zuozhen Liu
- Key Laboratory for Specially Functional Materials and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; (J.W.); (S.L.)
- Huachang Polymers Co., Ltd., East China University of Science and Technology, Shanghai 200241, China
| | - Farong Huang
- Key Laboratory for Specially Functional Materials and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; (J.W.); (S.L.)
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14
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Orfanidis S, Kosarli M, Karagianni M, Paipetis AS, Papavassiliou G, Fardis M. Structural integrity and healing efficiency study of micro-capsule based composite materials via 1H NMR relaxometry. Sci Rep 2023; 13:12189. [PMID: 37500804 PMCID: PMC10374639 DOI: 10.1038/s41598-023-39302-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 07/23/2023] [Indexed: 07/29/2023] Open
Abstract
In this work we present a novel approach utilizing nuclear magnetic resonance (NMR) relaxometry to assess the structural stability of microcapsules employed as self-healing agents in advanced aerospace composites both in ambient and harsh environmental conditions. We successfully correlate the amount of the encapsulated self-healing agent with the signal intensity and confirm non-destructively the quantity of the encapsulated self-healing agent mass for the first time in the literature using 1H NMR spin-spin relaxation techniques on urea-formaldehyde (UF) microcapsules of different diameters containing an epoxy healing agent. The amount of self-healing agent is shown to increase by reducing the capsule diameter; however, the reduced shell mass renders the capsules more fragile and prone to failure. Most notably, via NMR experiments conducted during thermal cycling simulating flight conditions, we demonstrate that the microcapsule integrity under thermal fatigue varies according to their size. Especially we experimentally verify that the microcapsules with the most sensitive shells are the 147 nm and 133 nm diameter microcapsules, which are the most commonly used in self-healing systems. Finally, we were able to retrieve the same results using a portable NMR spectrometer developed in-house for in situ microcapsule testing, thus demonstrating the potential of NMR relaxometry as a powerful non-destructive evaluation tool for the microcapsule production line.
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Affiliation(s)
- S Orfanidis
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, 15310 Aghia Paraskevi, Attiki, Greece
- Department of Materials Science and Engineering, University of Ioannina, 45110, Ioannina, Greece
| | - M Kosarli
- Department of Materials Science and Engineering, University of Ioannina, 45110, Ioannina, Greece
| | - M Karagianni
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, 15310 Aghia Paraskevi, Attiki, Greece
| | - A S Paipetis
- Department of Materials Science and Engineering, University of Ioannina, 45110, Ioannina, Greece
| | - G Papavassiliou
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, 15310 Aghia Paraskevi, Attiki, Greece
| | - M Fardis
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, 15310 Aghia Paraskevi, Attiki, Greece.
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15
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Yeingst TJ, Arrizabalaga JH, Rawnaque FS, Stone LP, Yeware A, Helton AM, Dhawan A, Simon JC, Hayes DJ. Controlled Degradation of Polycaprolactone Polymers through Ultrasound Stimulation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:34607-34616. [PMID: 37432796 PMCID: PMC10496768 DOI: 10.1021/acsami.3c06873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
This study describes the development of an ultrasound-responsive polymer system that provides on-demand degradation when exposed to high-intensity focused ultrasound (HIFU). Diels-Alder cycloadducts were used to crosslink polycaprolactone (PCL) polymers and underwent a retro Diels-Alder reaction when stimulated with HIFU. Two Diels-Alder polymer compositions were explored to evaluate the link between reverse reaction energy barriers and polymer degradation rates. PCL crosslinked with isosorbide was also used as a non-Diels-Alder-based control polymer. An increase of HIFU exposure time and amplitude correlated with an increase of PCL degradation for Diels-Alder-based polymers. Ultrasound imaging during HIFU allowed for real-time visualization of the on-demand degradation through cavitation-based mechanisms. The temperature surrounding the sample was monitored with a thermocouple during HIFU stimulation; a minimal increase in temperature was observed. PCL polymers were characterized using Fourier transform infrared (FTIR) spectroscopy, nuclear magnetic resonance (NMR), differential scanning calorimetry (DSC), optical profilometry, and mechanical testing. PCL degradation byproducts were identified by mass spectrometry, and their cytocompatibility was evaluated in vitro. Overall, this study demonstrated that HIFU is an effective image-guided, external stimulus to control the degradation of Diels-Alder-based PCL polymers on-demand.
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Affiliation(s)
- Tyus J Yeingst
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Julien H Arrizabalaga
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Ferdousi S Rawnaque
- Graduate Program in Acoustics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Lindsay P Stone
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Amar Yeware
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Angelica M Helton
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Aman Dhawan
- Department of Orthopaedics and Rehabilitation, Penn State College of Medicine, Milton S. Hershey Medical Center, Hershey, Pennsylvania 17033, United States
| | - Julianna C Simon
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
- Graduate Program in Acoustics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Daniel J Hayes
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
- Materials Research Institute, Millennium Science Complex, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
- The Huck Institute of Life Sciences, Millennium Science Complex, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
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16
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Chang H, Chang DH, Stamoulis AG, Huber GW, Lynn DM, Palecek SP, Dumesic JA. Controlling the toxicity of biomass-derived difunctional molecules as potential pharmaceutical ingredients for specific activity toward microorganisms and mammalian cells. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2023; 25:5416-5427. [PMID: 38223356 PMCID: PMC10786631 DOI: 10.1039/d3gc00188a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
A biomass-derived difuran compound, denoted as HAH (HMF-Acetone-HMF), synthesized by aldol-condensation of 5-hydroxyfurfural (HMF) and acetone, can be partially hydrogenated to provide an electron-rich difuran compound (PHAH) for Diels-Alder reactions with maleimide derivatives. The nitrogen (N) site in the maleimide can be substituted by imidation with amine-containing compounds to control the hydrophobicity of the maleimide moiety in adducts of furans and maleimide by Diels-Alder reaction, denoted as norcantharimides (Diels-Alder adducts). The structural effects on the toxicity of various biomass-derived small molecules synthesized in this manner to regulate biological processes, defined as low molecular weight (≤ 1000 g/mol) organic compounds, were investigated against diverse microbial and mammalian cell types. The biological toxicity increased when hydrophobic N-substitutions and C=C bonds were introduced into the molecular structure. Among the synthesized norcantharamide derivatives, some compounds demonstrated pH-dependent toxicities against specific cell types. Reaction kinetics analyses of the norcantharimides in biological conditions suggest that this pH-dependent toxicity of norcantharimides could arise from retro Diels-Alder reactions in the presence of a Brϕnsted acid that catalyzes the release of an N-substituted maleimide, which has higher toxicity against fungal cells than the toxicity of the Diels-Alder adduct. These synthetic approaches can be used to design biologically-active small molecules that exhibit selective toxicity against various cell types (e.g., fungal, cancer cells) and provide a sustainable platform for production of prodrugs that could actively or passively affect the viability of infectious cells.
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Affiliation(s)
- Hochan Chang
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI, USA
| | - Douglas H. Chang
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI, USA
| | | | - George W. Huber
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI, USA
| | - David M. Lynn
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI, USA
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI, USA
| | - Sean P. Palecek
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI, USA
| | - James A. Dumesic
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI, USA
- DOE Great Lakes Bioenergy Research Center, University of Wisconsin–Madison, Madison, WI, USA
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17
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Rybak D, Su YC, Li Y, Ding B, Lv X, Li Z, Yeh YC, Nakielski P, Rinoldi C, Pierini F, Dodda JM. Evolution of nanostructured skin patches towards multifunctional wearable platforms for biomedical applications. NANOSCALE 2023; 15:8044-8083. [PMID: 37070933 DOI: 10.1039/d3nr00807j] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Recent advances in the field of skin patches have promoted the development of wearable and implantable bioelectronics for long-term, continuous healthcare management and targeted therapy. However, the design of electronic skin (e-skin) patches with stretchable components is still challenging and requires an in-depth understanding of the skin-attachable substrate layer, functional biomaterials and advanced self-powered electronics. In this comprehensive review, we present the evolution of skin patches from functional nanostructured materials to multi-functional and stimuli-responsive patches towards flexible substrates and emerging biomaterials for e-skin patches, including the material selection, structure design and promising applications. Stretchable sensors and self-powered e-skin patches are also discussed, ranging from electrical stimulation for clinical procedures to continuous health monitoring and integrated systems for comprehensive healthcare management. Moreover, an integrated energy harvester with bioelectronics enables the fabrication of self-powered electronic skin patches, which can effectively solve the energy supply and overcome the drawbacks induced by bulky battery-driven devices. However, to realize the full potential offered by these advancements, several challenges must be addressed for next-generation e-skin patches. Finally, future opportunities and positive outlooks are presented on the future directions of bioelectronics. It is believed that innovative material design, structure engineering, and in-depth study of fundamental principles can foster the rapid evolution of electronic skin patches, and eventually enable self-powered close-looped bioelectronic systems to benefit mankind.
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Affiliation(s)
- Daniel Rybak
- Institute of Fundamental Technological Research, Polish Academy of Science, 02-106 Warsaw, Poland.
| | - Yu-Chia Su
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan
| | - Yang Li
- College of Electronic and Optical Engineering & College of Microelectronics, Institute of Flexible Electronics (Future Technology), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing, 210023, China
| | - Bin Ding
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China.
| | - Xiaoshuang Lv
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
| | - Zhaoling Li
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
| | - Yi-Cheun Yeh
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan
| | - Pawel Nakielski
- Institute of Fundamental Technological Research, Polish Academy of Science, 02-106 Warsaw, Poland.
| | - Chiara Rinoldi
- Institute of Fundamental Technological Research, Polish Academy of Science, 02-106 Warsaw, Poland.
| | - Filippo Pierini
- Institute of Fundamental Technological Research, Polish Academy of Science, 02-106 Warsaw, Poland.
| | - Jagan Mohan Dodda
- New Technologies - Research Centre (NTC), University of West Bohemia, Univerzitní 8, 301 00 Pilsen, Czech Republic.
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18
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Khan NI, Halder S, Goyat MS, Borah LN, Das S. Repetitive self-healing of Diels-Alder grafted graphene nanoplatelet reinforced carbon fiber reinforced polymer composites with outstanding mechanical properties. SOFT MATTER 2023; 19:3121-3135. [PMID: 37039535 DOI: 10.1039/d2sm01558g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The concept of using bio-inspired healing mechanisms in fiber-reinforced polymer (FRP)-based laminated composites is one of the trending areas of research for lightweight high-performance materials. To introduce self-healing in laminated composites, we developed Diels-Alder (DA) grafted graphene nanoplatelets (GNPs) and introduced them into carbon-fiber-reinforced polymer (CFRP) composites. The DA-grafted GNPs provided dual benefits, such as repetitive self-healing along with an increased mechanical performance of the modified CFRP. The GNPs were functionalized with DA adducts, i.e., bismaleimide and furfurylamine via a facile functionalization approach. The highest healing efficiency evaluated using double cantilever beam (DCB) tests was observed as ∼87% with more than 10 times repeated healing cycles. The innovative concept and strategy proposed in this work could be a gateway to a new area of research to upscale for industrialization of DA-based repetitive self-healable and durable CFRP-based composites.
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Affiliation(s)
- Nazrul Islam Khan
- Department of Mechanical Engineering, Netaji Subhas University of Technology, Delhi 110078, India
| | - Sudipta Halder
- Department of Mechanical Engineering, National Institute of Technology, Silchar 788010, India.
| | - M S Goyat
- Department of Applied Science, School of Engineering, University of Petroleum and Energy Studies, Dehradun 248007, India.
| | - Lakshi Nandan Borah
- Department of Mechanical Engineering, National Institute of Technology, Silchar 788010, India.
| | - Subhankar Das
- Department of Mechanical Engineering, School of Engineering, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, 248007, India
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19
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Wan X, Mu T, Yin G. Intrinsic Self-Healing Chemistry for Next-Generation Flexible Energy Storage Devices. NANO-MICRO LETTERS 2023; 15:99. [PMID: 37037957 PMCID: PMC10086096 DOI: 10.1007/s40820-023-01075-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 03/14/2023] [Indexed: 06/19/2023]
Abstract
The booming wearable/portable electronic devices industry has stimulated the progress of supporting flexible energy storage devices. Excellent performance of flexible devices not only requires the component units of each device to maintain the original performance under external forces, but also demands the overall device to be flexible in response to external fields. However, flexible energy storage devices inevitably occur mechanical damages (extrusion, impact, vibration)/electrical damages (overcharge, over-discharge, external short circuit) during long-term complex deformation conditions, causing serious performance degradation and safety risks. Inspired by the healing phenomenon of nature, endowing energy storage devices with self-healing capability has become a promising strategy to effectively improve the durability and functionality of devices. Herein, this review systematically summarizes the latest progress in intrinsic self-healing chemistry for energy storage devices. Firstly, the main intrinsic self-healing mechanism is introduced. Then, the research situation of electrodes, electrolytes, artificial interface layers and integrated devices based on intrinsic self-healing and advanced characterization technology is reviewed. Finally, the current challenges and perspective are provided. We believe this critical review will contribute to the development of intrinsic self-healing chemistry in the flexible energy storage field.
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Affiliation(s)
- Xin Wan
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, People's Republic of China
| | - Tiansheng Mu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, People's Republic of China.
| | - Geping Yin
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, People's Republic of China.
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20
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Liang H, Wei Y, Ji Y. Magnetic-responsive Covalent Adaptable Networks. Chem Asian J 2023; 18:e202201177. [PMID: 36645376 DOI: 10.1002/asia.202201177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/07/2023] [Accepted: 01/16/2023] [Indexed: 01/17/2023]
Abstract
Covalent adaptable networks (CANs) are reprocessable polymers whose structural arrangement is based on the recombination of dynamic covalent bonds. Composite materials prepared by incorporating magnetic particles into CANs attract much attention due to their remote and precise control, fast response speed, high biological safety and strong penetration of magnetic stimuli. These properties often involve magnetothermal effect and direct magnetic-field guidance. Besides, some of them can also respond to light, electricity or pH values. Thus, they are favorable for soft actuators since various functions are achieved such as magnetic-assisted self-healing (heating or at ambient temperature), welding (on land or under water), shape-morphing, and so on. Although magnetic CANs just start to be studied in recent two years, their advances are promised to expand the practical applications in both cutting-edge academic and engineering fields. This review aims to summarize recent progress in magnetic-responsive CANs, including their design, synthesis and application.
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Affiliation(s)
- Huan Liang
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Yen Wei
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.,Department of Chemistry, Center for Nanotechnology and Institute of Biomedical Technology, Chung-Yuan Christian University Chung-Li, 32023, Taiwan, P. R. China
| | - Yan Ji
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
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21
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Nguyen LMT, Nguyen NKH, Dang HH, Nguyen ADS, Truong TT, Nguyen HT, Nguyen TQ, Cu ST, Le NN, Doan TCD, Nguyen LTT. Synthesis and thermal-responsive behavior of a polysiloxane-based material by combined click chemistries. POLYMER 2023. [DOI: 10.1016/j.polymer.2023.125813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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22
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Tzoumani I, Iatridi Z, Fidelli AM, Krassa P, Kallitsis JK, Bokias G. Room-Temperature Self-Healable Blends of Waterborne Polyurethanes with 2-Hydroxyethyl Methacrylate-Based Polymers. Int J Mol Sci 2023; 24:ijms24032575. [PMID: 36768898 PMCID: PMC9916575 DOI: 10.3390/ijms24032575] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/16/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
The design of self-healing agents is a topic of important scientific interest for the development of high-performance materials for coating applications. Herein, two series of copolymers of 2-hydroxyethyl methacrylate (HEMA) with either the hydrophilic N,N-dimethylacrylamide (DMAM) or the epoxy group-bearing hydrophobic glycidyl methacrylate were synthesized and studied as potential self-healing agents of waterborne polyurethanes (WPU). The molar percentage of DMAM or GMA units in the P(HEMA-co-DMAMy) and P(HEMA-co-GMAy) copolymers varies from 0% up to 80%. WPU/polymer composites with a 10% w/w or 20% w/w copolymer content were prepared with the facile method of solution mixing. Thanks to the presence of P(HEMA-co-DMAMy) copolymers, WPU/P(HEMA-co-DMAMy) composite films exhibited surface hydrophilicity (water contact angle studies), and tendency for water uptake (water sorption kinetics studies). In contrast, the surfaces of the WPU/P(HEMA-co-GMAy) composites were less hydrophilic compared with the WPU/P(HEMA-co-DMAMy) ones. The room-temperature, water-mediated self-healing ability of these composites was investigated through addition of water drops on the damaged area. Both copolymer series exhibited healing abilities, with the hydrophilic P(HEMA-co-DMAMy) copolymers being more promising. This green healing procedure, in combination with the simple film fabrication process and simple healing triggering, makes these materials attractive for practical applications.
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Affiliation(s)
- Ioanna Tzoumani
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece
| | | | - Athena M. Fidelli
- Megara Resins Anastassios Fanis S.A., Vathi Avlidas, GR-34100 Evia, Greece
| | - Poppy Krassa
- Megara Resins Anastassios Fanis S.A., Vathi Avlidas, GR-34100 Evia, Greece
| | | | - Georgios Bokias
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece
- Correspondence:
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23
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Wang C, Guo Z, Wang C, Liu W, Yang X, Huo H, Cai Y, Geng Z, Su Z. High-performance self-healing composite ultrafiltration membrane based on multiple molecular dynamic interactions. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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24
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Dynamic Chemistry: The Next Generation Platform for Various Elastomers and Their Mechanical Properties with Self-Healing Performance. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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25
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Caglayan C, Kim G, Yun GJ. CNT-Reinforced Self-Healable Epoxy Dynamic Networks Based on Disulfide Bond Exchange. ACS OMEGA 2022; 7:43480-43491. [PMID: 36506194 PMCID: PMC9730311 DOI: 10.1021/acsomega.2c03910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 11/15/2022] [Indexed: 06/17/2023]
Abstract
The design and utilization of polymers with healing capability have drawn increasing attention owing to their enhanced chain mobility and opportunity to heal minor cracks in composites. Rehealable thermoset polymers promise reduction in the maintenance cost and thus prolonged lifetime, reshaping, and recyclability. Introducing reversible covalent bonds is the mainstay strategy to achieve such plasticity in crosslinked polymers. Herein, we report a dynamic epoxy, which includes associative covalent adaptive networks (CANs) based on disulfide exchange bonds. Epoxy resin is chosen to study rehealing, as it is one of the most critical thermosetting polymers for various industries from aerospace to soft robotics. This study enlightens us about not only the consequences of CANs in the epoxy but also various factors such as soft segments and carbon nanotubes (CNTs). Epoxy dynamic networks are investigated in an attempt to explore the synergistic effect of the soft-segmented resins and CNTs on the healing and reshaping characteristics of epoxy networks along with varying stiffness. This research discusses epoxy dynamic networks in three main aspects: crosslink density, CAN density, and CNTs. Introducing soft segments into the epoxy network enhances the healing efficiency due to the increased chain mobility. A higher CAN density accelerates network rearrangement, improving the healing efficiency. It should also be noted that even with a low weight fraction of nanotubes, CNT-reinforced samples restored their initial strength more than neat samples after healing. The tensile strength of dynamic networks is at least 50 MPa, which is significant for their utility in primary or secondary structural components.
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Affiliation(s)
- Cigdem Caglayan
- Department
of Aerospace Engineering, Seoul National
University, Seoul08826, South Korea
| | - Geonwoo Kim
- 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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26
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Aiswarya S, Awasthi P, Banerjee SS. Self-healing thermoplastic elastomeric materials: Challenges, opportunities and new approaches. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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27
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Ahn C, Hong PH, Lee J, Kim J, Moon G, Lee S, Park I, Han H, Hong SW. Highly Self-Healable Polymeric Coating Materials with Enhanced Mechanical Properties Based on the Charge Transfer Complex. Polymers (Basel) 2022; 14:polym14235181. [PMID: 36501576 PMCID: PMC9738447 DOI: 10.3390/polym14235181] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/19/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022] Open
Abstract
Polymeric coating materials (PCMs) are promising candidates for developing next-generation flexible displays. However, PCMs are frequently subjected to external stimuli, making them highly susceptible to repeated damage. Therefore, in this study, a highly self-healing PCM based on a charge transfer complex (CTC) was developed, and its thermal, self-healing, and mechanical properties were examined. The self-healing material demonstrated improved thermal stability, fast self-healing kinetics (1 min), and a high self-healing efficiency (98.1%) via CTC-induced multiple interactions between the polymeric chains. In addition, it eliminated the trade-off between the mechanical strength and self-healing capability that is experienced by typical self-healing materials. The developed PCM achieved excellent self-healing and superior bulk (in-plane) and surface (out-of-plane) mechanical strengths compared to those of conventional engineering plastics such as polyether ether ketone (PEEK), polysulfone (PSU), and polyethersulfone (PES). These remarkable properties are attributed to the unique intermolecular structure resulting from strong CTC interactions. A mechanism for the improved self-healing and mechanical properties was also proposed by comparing the CTC-based self-healing PCMs with a non-CTC-based PCM.
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Affiliation(s)
- Chanjae Ahn
- Organic Materials LAB, Samsung Advanced Institute of Technology, 129 Samsung-ro, Yeongtong-gu, Suwon-si 16677, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Pyong Hwa Hong
- Intelligent Sustainable Materials R&D Group, Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Republic of Korea
| | - Juhen Lee
- Organic Materials LAB, Samsung Advanced Institute of Technology, 129 Samsung-ro, Yeongtong-gu, Suwon-si 16677, Republic of Korea
| | - Jinsil Kim
- Intelligent Sustainable Materials R&D Group, Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Republic of Korea
- Department of Chemical Engineering, University of Montreal, 2900 Edouard Montpetit Blvd, Montreal, QC H3T 1J4, Canada
| | - Gyeongmin Moon
- Intelligent Sustainable Materials R&D Group, Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Republic of Korea
- Current Address: MS Development Team, PI Advanced Materials, 27 Godeung 1-gil, Iwol-myeon, Jincheon-gun, Chungcheongbuk-do 27818, Republic of Korea
| | - Sungkoo Lee
- Intelligent Sustainable Materials R&D Group, Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Republic of Korea
| | - In Park
- Intelligent Sustainable Materials R&D Group, Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Republic of Korea
| | - Haksoo Han
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
- Correspondence: (H.H.); (S.W.H.); Tel.: +82-2-2123-2764 (H.H.); +82-41-589-8675 (S.W.H.)
| | - Sung Woo Hong
- Intelligent Sustainable Materials R&D Group, Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si 31056, Republic of Korea
- Convergence Research Center for Solutions to Electromagnetic Interference in Future-Mobility, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Correspondence: (H.H.); (S.W.H.); Tel.: +82-2-2123-2764 (H.H.); +82-41-589-8675 (S.W.H.)
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Xu R, Cañón Bermúdez GS, Pylypovskyi OV, Volkov OM, Oliveros Mata ES, Zabila Y, Illing R, Makushko P, Milkin P, Ionov L, Fassbender J, Makarov D. Self-healable printed magnetic field sensors using alternating magnetic fields. Nat Commun 2022; 13:6587. [PMID: 36329023 PMCID: PMC9631606 DOI: 10.1038/s41467-022-34235-3] [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: 03/15/2022] [Accepted: 10/13/2022] [Indexed: 11/05/2022] Open
Abstract
We employ alternating magnetic fields (AMF) to drive magnetic fillers actively and guide the formation and self-healing of percolation networks. Relying on AMF, we fabricate printable magnetoresistive sensors revealing an enhancement in sensitivity and figure of merit of more than one and two orders of magnitude relative to previous reports. These sensors display low noise, high resolution, and are readily processable using various printing techniques that can be applied to different substrates. The AMF-mediated self-healing has six characteristics: 100% performance recovery; repeatable healing over multiple cycles; room-temperature operation; healing in seconds; no need for manual reassembly; humidity insensitivity. It is found that the above advantages arise from the AMF-induced attraction of magnetic microparticles and the determinative oscillation that work synergistically to improve the quantity and quality of filler contacts. By virtue of these advantages, the AMF-mediated sensors are used in safety application, medical therapy, and human-machine interfaces for augmented reality.
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Affiliation(s)
- Rui Xu
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Gilbert Santiago Cañón Bermúdez
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Oleksandr V. Pylypovskyi
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany ,grid.510453.6Kyiv Academic University, Kyiv, 03142 Ukraine
| | - Oleksii M. Volkov
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Eduardo Sergio Oliveros Mata
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Yevhen Zabila
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Rico Illing
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Pavlo Makushko
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Pavel Milkin
- grid.7384.80000 0004 0467 6972Bavarian Polymer Institute, University of Bayreuth, Ludwig Thoma Str 36a, 95447 Bayreuth, Germany
| | - Leonid Ionov
- grid.7384.80000 0004 0467 6972Bavarian Polymer Institute, University of Bayreuth, Ludwig Thoma Str 36a, 95447 Bayreuth, Germany
| | - Jürgen Fassbender
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Denys Makarov
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
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Preparation and properties of self-healing tung oil-based polymer networks driven by thermo-reversible Diels–Alder reaction. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03303-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
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30
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Katoh M, Shibata M. Effect of monomer composition on thermal, mechanical, and self-healing properties of thermosets containing Diels-Alder adduct moieties and disulfide bonds. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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31
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Abstract
Magnetically responsive elastomers, consisting of elastomer embedded with magnetic particles, can produce fast and reversible actuation when subjected to a magnetic field. They have been extensively explored to construct versatile remotely controllable soft robots. Nevertheless, the magnetically induced actuation strain in elastomers is typically small, which limits its broad applications. Recently, magnetic particles have been mixed with viscous fluids to enable giant magnetically induced deformations. However, their response speed is slow and the actuation is usually irreversible. In this work, we have developed a magnetic vitrimer (MV), with magnetic particles mixed with the polymer network containing abundant dynamic covalent bonds. At room temperature, the MV behaves like a regular magnetically responsive elastomer. When the temperature is elevated to the exchange reaction temperature of the dynamic covalent bonds, the material behaves like a viscous magnetically responsive fluid, which can produce large deformations. The embedded magnetic particles and the vitrimer matrix also make the material self-healable without requiring any direct touch. We have demonstrated that with the guidance of an externally applied magnetic field, a MV-based soft robot can pass through a confined space, dramatically change its configuration, self-heal without any contact, catch, secure and release a fast-moving object, and move along a planned path.
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Affiliation(s)
- Gaoweiang Dong
- Department of Mechanical and Aerospace Engineering, University of California, San Diego, La Jolla, CA 92093, USA.
| | - Qiguang He
- Mechanical Engineering and Applied Mechanics Department, University of Pennsylvania, Philadelphia, 19104, USA
| | - Shengqiang Cai
- Department of Mechanical and Aerospace Engineering, University of California, San Diego, La Jolla, CA 92093, USA.
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32
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Self-healing high-performance thermosets utilizing furan/maleimide Diels–Alder, epoxy/amine nucleophilic ring-opening, and maleimide/amine Michael reactions. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03912-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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33
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Synthesis and Properties of Thermally Self-Healing PET Based Linear Polyurethane Containing Diels–Alder Bonds. Polymers (Basel) 2022; 14:polym14163334. [PMID: 36015589 PMCID: PMC9414639 DOI: 10.3390/polym14163334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/10/2022] [Accepted: 08/13/2022] [Indexed: 11/28/2022] Open
Abstract
A Diels–Alder (DA) bond containing poly(tetrahydrofuran)-co-(ethyleneoxide) (PET) based linear polyurethane (PET-DA-PU) was synthesized via a prepolymer process using PET as raw material, DA diol as chain extender agent, and toluene-2,4-diisocyanate (TDI) as coupling agent. The structure of PET-DA-PU was characterized by attenuated total reflectance-Fourier transform-infrared spectroscopy (ATR-FTIR), proton nuclear magnetic resonance spectrometry (1H NMR) and carbon nuclear magnetic resonance spectrometry (13C NMR). The thermal performance and self-healing behavior of PET-DA-PU were investigated by differential scanning calorimetry (DSC), polarized optical microscope, universal testing machine, scanning electron microscopy (SEM) and NMR, respectively. The glass transition temperature of PET-DA-PU was found to be −59 °C. Under the heat treatment at 100 °C, the crack on PET-DA-PU film completely disappeared in 9 min, and the self-healing efficiency that was determined by the recovery of the largest tensile strength after being damaged and healed at 100 °C for 20 min can reach 89.1%. SEM images revealed the micro-cracks along with the blocky aggregated hard segments which were the important reasons for fracture. NMR spectroscopy indicated that the efficiency of retro DA reaction of PET-DA-PU was 70% after 20 min heating treatment at 100 °C. Moreover, the PET-DA-PU/Al/Na2SO4 composite was also prepared to simulate propellant formulation and investigated by universal testing machine and SEM; its healing efficiency was up to 87.8% under the same heat treatment process and exhibits good self-healing ability. Therefore, PET-DA-PU may serve as a promising thermally self-healing polymeric binder for future propellant formulations.
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34
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Mechanically robust and flame-retarded EPDM composites with high loading of Mg(OH)2 based on reversible crosslinking network from Diels-Alder reactions. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.110029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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Tzoumani I, Soto Beobide A, Iatridi Z, Voyiatzis GA, Bokias G, Kallitsis JK. Glycidyl Methacrylate-Based Copolymers as Healing Agents of Waterborne Polyurethanes. Int J Mol Sci 2022; 23:ijms23158118. [PMID: 35897694 PMCID: PMC9332020 DOI: 10.3390/ijms23158118] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/15/2022] [Accepted: 07/21/2022] [Indexed: 11/22/2022] Open
Abstract
Self-healing materials and self-healing mechanisms are two topics that have attracted huge scientific interest in recent decades. Macromolecular chemistry can provide appropriately tailored functional polymers with desired healing properties. Herein, we report the incorporation of glycidyl methacrylate-based (GMA) copolymers in waterborne polyurethanes (WPUs) and the study of their potential healing ability. Two types of copolymers were synthesized, namely the hydrophobic P(BA-co-GMAy) copolymers of GMA with n-butyl acrylate (BA) and the amphiphilic copolymers P(PEGMA-co-GMAy) of GMA with a poly(ethylene glycol) methyl ether methacrylate (PEGMA) macromonomer. We demonstrate that the blending of these types of copolymers with two WPUs leads to homogenous composites. While the addition of P(BA-co-GMAy) in the WPUs leads to amorphous materials, the addition of P(PEGMA-co-GMAy) copolymers leads to hybrid composite systems varying from amorphous to semi-crystalline, depending on copolymer or blend composition. The healing efficiency of these copolymers was explored upon application of two external triggers (addition of water or heating). Promising healing results were exhibited by the final composites when water was used as a healing trigger.
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Affiliation(s)
- Ioanna Tzoumani
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece; (I.T.); (A.S.B.); (G.B.); (J.K.K.)
| | - Amaia Soto Beobide
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece; (I.T.); (A.S.B.); (G.B.); (J.K.K.)
- FORTH/ICE-HT, Stadiou Street, P.O. Box 1414, GR-26504 Patras, Greece;
| | - Zacharoula Iatridi
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece; (I.T.); (A.S.B.); (G.B.); (J.K.K.)
- Correspondence:
| | | | - Georgios Bokias
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece; (I.T.); (A.S.B.); (G.B.); (J.K.K.)
| | - Joannis K. Kallitsis
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece; (I.T.); (A.S.B.); (G.B.); (J.K.K.)
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36
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Marotta A, Salzano de Luna M, D'Avino A, Fornaro M, Filippone G, Ambrogi V. Mechanical properties and reprocessability of
Diels‐Alder
‐based reversible networks from furan‐modified resins. J Appl Polym Sci 2022. [DOI: 10.1002/app.52796] [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)
- Angela Marotta
- Department of Chemical, Materials, and Production Engineering (INSTM Consortium−UdR Naples) University of Naples Federico II Naples Italy
| | - Martina Salzano de Luna
- Department of Chemical, Materials, and Production Engineering (INSTM Consortium−UdR Naples) University of Naples Federico II Naples Italy
| | - Amalia D'Avino
- Department of Chemical, Materials, and Production Engineering (INSTM Consortium−UdR Naples) University of Naples Federico II Naples Italy
| | - Mattia Fornaro
- Department of Chemical, Materials, and Production Engineering (INSTM Consortium−UdR Naples) University of Naples Federico II Naples Italy
| | - Giovanni Filippone
- Department of Chemical, Materials, and Production Engineering (INSTM Consortium−UdR Naples) University of Naples Federico II Naples Italy
| | - Veronica Ambrogi
- Department of Chemical, Materials, and Production Engineering (INSTM Consortium−UdR Naples) University of Naples Federico II Naples Italy
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37
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Dhas A, Ghosh K, Banerjee S. Self‐Healing of HTPB based Polyurethane Binder via Ring Opening Metathesis Polymerization. PROPELLANTS EXPLOSIVES PYROTECHNICS 2022. [DOI: 10.1002/prep.202100383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Akash Dhas
- Defence Institute of Advanced Technology INDIA
| | - Kavita Ghosh
- DRDO High Energy Materials Research Laboratory INDIA
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38
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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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39
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Flame retardancy of linear polyurethane with Diels–Alder adducts. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04229-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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40
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Rashid MA, Liu W, Wei Y, Jiang Q. Review on intrinsically recyclable flame retardant thermosets enabled through covalent bonds. J Appl Polym Sci 2022. [DOI: 10.1002/app.52493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Muhammad Abdur Rashid
- Center for Civil Aviation Composites Donghua University, 2999 North Renmin Road Shanghai, 201620 China
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University, 2999 North Renmin Road Shanghai, 201620 China
- Dhaka University of Engineering & Technology Gazipur‐1707 Bangladesh
| | - Wanshuang Liu
- Center for Civil Aviation Composites Donghua University, 2999 North Renmin Road Shanghai, 201620 China
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University, 2999 North Renmin Road Shanghai, 201620 China
| | - Yi Wei
- Center for Civil Aviation Composites Donghua University, 2999 North Renmin Road Shanghai, 201620 China
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University, 2999 North Renmin Road Shanghai, 201620 China
| | - Qiuran Jiang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University, 2999 North Renmin Road Shanghai, 201620 China
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41
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Nowacka M, Kowalewska A. Self-Healing Silsesquioxane-Based Materials. Polymers (Basel) 2022; 14:polym14091869. [PMID: 35567038 PMCID: PMC9099987 DOI: 10.3390/polym14091869] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/24/2022] [Accepted: 04/27/2022] [Indexed: 02/06/2023] Open
Abstract
This review is devoted to self-healing materials (SHM) containing polyhedral oligomeric silsesquioxanes (POSS) as building blocks. The synthetic approach can vary depending on the role POSS are expected to play in a given system. POSS (especially double-decker silsesquioxanes) can be grafted in side chains of a polymer backbone or used as segments of the main chain. Appropriate functionalization allows the formation of dynamic bonds with POSS molecules and makes them an active component of SHM, both as crosslinking agents and as factors that enhance the dynamics of macromolecules in the polymer matrix. The latter effect can be achieved by reversible release of bulky POSS cages or by the formation of separated inclusions in the polymer matrix through hydrophobic interactions and POSS aggregation. The unique properties of POSS-based self-healing systems make them interesting and versatile materials for various applications (e.g., repairable coatings, sealants, sensors, soft materials for tissue engineering, drug delivery, and wound healing).
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42
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Gao M, Meng Y, Shen C, Pei Q. Stiffness Variable Polymers Comprising Phase-Changing Side-Chains: Material Syntheses and Application Explorations. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109798. [PMID: 35119148 DOI: 10.1002/adma.202109798] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/28/2022] [Indexed: 06/14/2023]
Abstract
Stiffness variable materials have been applied in a variety of engineering fields that require adaptation, automatic modulation, and morphing because of their unique property to switch between a rigid, load-bearing state and a soft, compliant state. Stiffness variable polymers comprising phase-changing side-chains (s-SVPs) have densely grafted, highly crystallizable long alkyl side-chains in a crosslinked network. Such a bottlebrush network-like structure gives rise to rigidity modulation as a result of the reversible crystallization and melting of the side chains. The corresponding modulus changes can be more than 1000-fold within a narrow temperature span, from ≈102 MPa to ≈102 kPa or lower. Other important properties of the s-SVP, such as stretchability, optical transmittance, and adhesion, can also be altered. This work reviews the underlying molecular mechanisms in the s-SVP's, discusses the material's structure-property relationship, and summarizes important applications explored so far, including reversible shape transformation, bistable electromechanical transduction, optical modulation, and reversible adhesion.
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Affiliation(s)
- Meng Gao
- Soft Materials Research Laboratory, Department of Materials Science and Engineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, CA, 90095, USA
- College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Yuan Meng
- Soft Materials Research Laboratory, Department of Materials Science and Engineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, CA, 90095, USA
| | - Claire Shen
- Soft Materials Research Laboratory, Department of Materials Science and Engineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, CA, 90095, USA
| | - Qibing Pei
- Soft Materials Research Laboratory, Department of Materials Science and Engineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, CA, 90095, USA
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43
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Yanada K, Aoki D, Otsuka H. Mechanochromic elastomers with different thermo- and mechano-responsive radical-type mechanophores. SOFT MATTER 2022; 18:3218-3225. [PMID: 35383787 DOI: 10.1039/d1sm01786a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
To design tough soft materials, the introduction of sacrificial bonds into their skeleton is a useful method. The introduction of radical-type mechanophores (RMs), which generate coloured radicals in response to mechanical stimuli, as sacrificial bonds into the cross-linking points of elastomers is expected to be a powerful tool to elucidate the fracture mechanisms as well as the toughening of materials, given that the radicals generated from the RMs are coloured and can be quantitatively evaluated using electron paramagnetic resonance (EPR) measurements. In this study, to investigate the effect of the dynamic nature, i.e., the reactivity, of RMs introduced at the cross-linking points of polymer networks on their macroscopic mechanical properties, polymer networks cross-linked by two different RMs, a symmetric radical-type mechanophore (DFSN) and a non-symmetric radical-type mechanophore (CF/ABF), were synthesized and characterized. Compared to the polymer network cross-linked by DFSN, the network with CF/ABF exhibited higher thermal and mechanical responses, in other words much more sensitive to heat and mechanical force, resulting in better stress relaxation and energy-dissipation properties. These results demonstrate that the reactivity of the radical mechanophore at the cross-linking point is an important factor for designing polymer networks.
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Affiliation(s)
- Kosaku Yanada
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Daisuke Aoki
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Hideyuki Otsuka
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
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44
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Cioc RC, Crockatt M, van der Waal JC, Bruijnincx PCA. The Interplay between Kinetics and Thermodynamics in Furan Diels-Alder Chemistry for Sustainable Chemicals Production. Angew Chem Int Ed Engl 2022; 61:e202114720. [PMID: 35014138 PMCID: PMC9304315 DOI: 10.1002/anie.202114720] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Indexed: 01/21/2023]
Abstract
Biomass‐derived furanic platform molecules have emerged as promising building blocks for renewable chemicals and functional materials. To this aim, the Diels–Alder (DA) cycloaddition stands out as a versatile strategy to convert these renewable resources in highly atom‐efficient ways. Despite nearly a century worth of examples of furan DA chemistry, clear structure–reactivity–stability relationships are still to be established. Detailed understanding of the intricate interplay between kinetics and thermodynamics in these very particular [4+2] cycloadditions is essential to push further development and truly expand the scope beyond the ubiquitous addend combinations of electron‐rich furans and electron‐deficient olefins. Herein, we provide pertinent examples of DA chemistry, taken from various fields, to highlight trends, establish correlations and answer open questions in the field with the aim to support future efforts in the sustainable chemicals and materials production.
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Affiliation(s)
- Răzvan C Cioc
- Organic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Marc Crockatt
- Department of Sustainable Process and Energy Systems, TNO, Leeghwaterstraat 44, 2628, CA, Delft, The Netherlands
| | - Jan C van der Waal
- Department of Sustainable Process and Energy Systems, TNO, Leeghwaterstraat 44, 2628, CA, Delft, The Netherlands
| | - Pieter C A Bruijnincx
- Organic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
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Wang Y, Zhou Z, Chen J, Li S, Zheng H, Lu J, Wang S, Zhang J, Lin K, Wang K, Wang Y. Self-Healing Silver Nanowires and Reduced Graphene Oxide/Polyurethane Composite Film Based on the Diels–Alder Reaction under Infrared Radiation. MEMBRANES 2022; 12:membranes12040405. [PMID: 35448375 PMCID: PMC9030009 DOI: 10.3390/membranes12040405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/29/2022] [Accepted: 04/01/2022] [Indexed: 02/04/2023]
Abstract
The hybrid composite of silver nanowires (AgNWs) and reduced graphene oxide (RGO) was synthesized in situ by an improved polyol–thermal method. The AgNWs-RGO with mass contents of 5–37 wt% was added into the thermo-reversible Diels–Alder reaction polyurethane (DA-PU) matrix with the AgNWs as the main conductor and the RGO as the auxiliary conductor to prepare self-healing composite conductive films. Further, the electrical conductivity, thermal conductivity, mechanical properties, infrared thermal response, and self-healing property of the composite film under infrared light irradiation were studied. The experimental results demonstrate that the AgNWs-RGO endows the composite film with good electrical and thermal conductivity and infrared thermal response ability, while the mechanical properties of the composite film decrease as the AgNWs-RGO mass content increases. The self-healing efficiency of the composite film is higher than that of the pure DA-PU under infrared light irradiation due to the good infrared photothermal response ability of the AgNWs-RGO. When the mass content of AgNWs-RGO in the composite film was 25 wt%, the AgNWs-RGO showed good dispersion in composite films, and the resistivity, thermal conductivity, and tensile strength of the composite film were 0.544 Ω·m, 0.3039 W·m−1·K−1, and 9.05 MPa, respectively. The infrared photothermal conversion temperature of the composite film is 158.5 °C (3450 lux for 1 min), and the infrared photothermal self-healing efficiency is 118% (3450 lux for 600 s). The AgNWs-RGO also improves the multiple self-healing ability of the composite film. The use of a high mass content of AgNWs-RGO in the composite film is beneficial in obtaining high multiple self-healing efficiencies. The first and the fifth infrared thermal self-healing efficiencies of the composite film with AgNWs-RGO of 35 wt% are 105% and 86%, respectively, and the resistivity of the composite film changes little and still maintains good conductivity.
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Chen S, Feng Y, Zhang Z, Li X, Zhang J, Zhao J. Catalyzed Michael addition, polycondensation, and the related performance of Diels–Alder self‐healing crosslinked polyamides. POLYM ENG SCI 2022. [DOI: 10.1002/pen.25924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Shuo Chen
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education; College of Materials Science and Engineering Beijing University of Chemical Technology Beijing China
| | - Yu Feng
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education; College of Materials Science and Engineering Beijing University of Chemical Technology Beijing China
| | - Zhi‐Yuan Zhang
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education; College of Materials Science and Engineering Beijing University of Chemical Technology Beijing China
| | - Xiang‐Yuan Li
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education; College of Materials Science and Engineering Beijing University of Chemical Technology Beijing China
| | - Jun‐Ying Zhang
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education; College of Materials Science and Engineering Beijing University of Chemical Technology Beijing China
| | - Jing‐Bo Zhao
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education; College of Materials Science and Engineering Beijing University of Chemical Technology Beijing China
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Pal S, Mandal A, Hong L, Ortuso RD, Petri-Fink A, Salentinig S, Kilbinger AFM. Native Chemical Ligation: Ultrafast Synthesis of Block Copolymers. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00154] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Subhajit Pal
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Ankita Mandal
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Linda Hong
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Roberto D. Ortuso
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700 Fribourg, Switzerland
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700 Fribourg, Switzerland
| | - Stefan Salentinig
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Andreas F. M. Kilbinger
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
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Hamzehlou S, Ruipérez F. Computational study of the transamination reaction in vinylogous acyls: Paving the way to design vitrimers with controlled exchange kinetics. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Shaghayegh Hamzehlou
- Polymat and Kimika Aplikatua Saila, Kimika Fakultatea University of the Basque Country UPV/EHU Donostia‐San Sebastián Spain
| | - Fernando Ruipérez
- Polymat and Physical Chemistry Department, Faculty of Pharmacy University of the Basque Country UPV/EHU Vitoria‐Gasteiz Spain
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Sun W, Luo N, Liu Y, Li H, Wang D. A New Self-Healing Triboelectric Nanogenerator Based on Polyurethane Coating and Its Application for Self-Powered Cathodic Protection. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10498-10507. [PMID: 35179862 DOI: 10.1021/acsami.2c00881] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
With the increasing demand for carbon neutrality, the development of renewable and recycle green energy has attracted wide attention from researchers. A novel self-healing triboelectric nanogenerator (TENG) was constructed by applying a linear silicone-modified polyurethane (PU) coating as a triboelectric layer, which was obtained by reacting hydroxypropyl silicone oil and hexamethylene diisocyanate under the catalysis of Sn. The linear self-healing coating as the friction electrode could effectively alleviate the damages of TENG devices during long-term energy harvesting. When the triboelectric layer of the TENG device shows abrasion, the broken silicone-modified polyurethane polymer chains would gradually be cross-linked again through hydrogen bonding to achieve a self-healing effect. The entire self-healing process of the friction coating could be completed in 30 min at room temperature. The PU-based self-healing TENG exhibits an evident and stable output performance with a short-circuit current of 31.9 μA and output voltage of 517.5 V after multiple cutting-healing cycles, which could light 480 commercial LEDs. Besides, a self-powered cathodic protection system supplied by the self-healing TENG was constructed, which could transfer negative triboelectric charges to the protected metal surface to achieve an anti-corrosion effect by harvesting mechanical energy. Due to the self-healing characteristics of the TENG device as the power supply part, this intelligent system possesses great application potential in the long-term corrosion protection of multiple metal application industries, such as the marine industry.
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Affiliation(s)
- Weixiang Sun
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Ning Luo
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Qingdao Center of Resource Chemistry and New Materials, Qingdao 266100, China
| | - Yubo Liu
- Qingdao Center of Resource Chemistry and New Materials, Qingdao 266100, China
| | - Hao Li
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Daoai Wang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Qingdao Center of Resource Chemistry and New Materials, Qingdao 266100, China
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Xie J, Yu P, Wang Z, Li J. Recent Advances of Self-Healing Polymer Materials via Supramolecular Forces for Biomedical Applications. Biomacromolecules 2022; 23:641-660. [PMID: 35199999 DOI: 10.1021/acs.biomac.1c01647] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Noncovalent interactions can maintain the three-dimensional structures of biomacromolecules (e.g., polysaccharides and proteins) and control specific recognition in biological systems. Supramolecular chemistry was gradually developed as a result, and this led to design and application of self-healing materials. Self-healing materials have attracted attention in many fields, such as coatings, bionic materials, elastomers, and flexible electronic devices. Nevertheless, self-healing materials for biomedical applications have not been comprehensively summarized, even though many reports have been focused on specific areas. In this Review, we first introduce the different categories of supramolecular forces used in preparing self-healing materials and then describe biological applications developed in the last 5 years, including antibiofouling, smart drug/protein delivery, wound healing, electronic skin, cartilage lubrication protection, and tissue engineering scaffolds. Finally, the limitations of current biomedical applications are indicated, key design points are offered for new biological self-healing materials, and potential directions for biological applications are highlighted.
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Affiliation(s)
- Jing Xie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Peng Yu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Zhanhua Wang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, P.R. China
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