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Jackson GL, Dennis JM, Dolinski ND, van der Naald M, Kim H, Eom C, Rowan SJ, Jaeger HM. Designing Stress-Adaptive Dense Suspensions Using Dynamic Covalent Chemistry. Macromolecules 2022; 55:6453-6461. [PMID: 35966116 PMCID: PMC9367004 DOI: 10.1021/acs.macromol.2c00603] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/06/2022] [Indexed: 11/29/2022]
Abstract
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The non-Newtonian behaviors of dense suspensions are
central to
their use in technological and industrial applications and arise from
a network of particle–particle contacts that dynamically adapt
to imposed shear. Reported herein are studies aimed at exploring how
dynamic covalent chemistry between particles and the polymeric solvent
can be used to tailor such stress-adaptive contact networks, leading
to their unusual rheological behaviors. Specifically, a room temperature
dynamic thia-Michael bond is employed to rationally tune the equilibrium
constant (Keq) of the polymeric solvent
to the particle interface. It is demonstrated that low Keq leads to shear thinning, while high Keq produces antithixotropy, a rare phenomenon where the
viscosity increases with shearing time. It is proposed that an increase
in Keq increases the polymer graft density
at the particle surface and that antithixotropy primarily arises from
partial debonding of the polymeric graft/solvent from the particle
surface and the formation of polymer bridges between particles. Thus,
the implementation of dynamic covalent chemistry provides a new molecular
handle with which to tailor the macroscopic rheology of suspensions
by introducing programmable time dependence. These studies open the
door to energy-absorbing materials that not only sense mechanical
inputs and adjust their dissipation as a function of time or shear
rate but also can switch between these two modalities on demand.
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Affiliation(s)
- Grayson L. Jackson
- James Franck Institute, University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Joseph M. Dennis
- Combat Capabilities and Development Command, Army Research Laboratory, Aberdeen Proving Ground, Maryland 21005, United States
| | - Neil D. Dolinski
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Michael van der Naald
- James Franck Institute, University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
- Department of Physics, University of Chicago, 5720 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Hojin Kim
- James Franck Institute, University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Christopher Eom
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Stuart J. Rowan
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
- Department of Chemistry, University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, United States
- Chemical and Engineering Sciences Division, Argonne National Laboratory, 9700 Cass Avenue, Lemont, Illinois 60439, United States
| | - Heinrich M. Jaeger
- James Franck Institute, University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
- Department of Physics, University of Chicago, 5720 South Ellis Avenue, Chicago, Illinois 60637, United States
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Mashkoor F, Lee SJ, Yi H, Noh SM, Jeong C. Self-Healing Materials for Electronics Applications. Int J Mol Sci 2022; 23:622. [PMID: 35054803 PMCID: PMC8775691 DOI: 10.3390/ijms23020622] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/30/2021] [Accepted: 01/03/2022] [Indexed: 12/22/2022] Open
Abstract
Self-healing materials have been attracting the attention of the scientists over the past few decades because of their effectiveness in detecting damage and their autonomic healing response. Self-healing materials are an evolving and intriguing field of study that could lead to a substantial increase in the lifespan of materials, improve the reliability of materials, increase product safety, and lower product replacement costs. Within the past few years, various autonomic and non-autonomic self-healing systems have been developed using various approaches for a variety of applications. The inclusion of appropriate functionalities into these materials by various chemistries has enhanced their repair mechanisms activated by crack formation. This review article summarizes various self-healing techniques that are currently being explored and the associated chemistries that are involved in the preparation of self-healing composite materials. This paper further surveys the electronic applications of self-healing materials in the fields of energy harvesting devices, energy storage devices, and sensors. We expect this article to provide the reader with a far deeper understanding of self-healing materials and their healing mechanisms in various electronics applications.
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Affiliation(s)
- Fouzia Mashkoor
- School of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Korea;
| | - Sun Jin Lee
- Research Center for Green Fine Chemicals, Korea Research Institute of Chemical Technology, Ulsan 44412, Korea;
| | - Hoon Yi
- Mechanical Technology Group, Global Manufacturing Center, Samsung Electro-Mechanics, 150 Maeyeong-ro, Yeongtong-gu, Suwon 16674, Korea;
| | - Seung Man Noh
- Research Center for Green Fine Chemicals, Korea Research Institute of Chemical Technology, Ulsan 44412, Korea;
| | - Changyoon Jeong
- School of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Korea;
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Abstract
Skin-like electronics are developing rapidly to realize a variety of applications such as wearable sensing and soft robotics. Hydrogels, as soft biomaterials, have been studied intensively for skin-like electronic utilities due to their unique features such as softness, wetness, biocompatibility and ionic sensing capability. These features could potentially blur the gap between soft biological systems and hard artificial machines. However, the development of skin-like hydrogel devices is still in its infancy and faces challenges including limited functionality, low ambient stability, poor surface adhesion, and relatively high power consumption (as ionic sensors). This review aims to summarize current development of skin-inspired hydrogel devices to address these challenges. We first conduct an overview of hydrogels and existing strategies to increase their toughness and conductivity. Next, we describe current approaches to leverage hydrogel devices with advanced merits including anti-dehydration, anti-freezing, and adhesion. Thereafter, we highlight state-of-the-art skin-like hydrogel devices for applications including wearable electronics, soft robotics, and energy harvesting. Finally, we conclude and outline the future trends.
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Affiliation(s)
- Binbin Ying
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, ON M5S 3G8, Canada
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke Street West, Montreal, QC H3A 0C3, Canada
| | - Xinyu Liu
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, ON M5S 3G8, Canada
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON M5S 3G9, Canada
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Novel Self-Healing Metallocopolymers with Pendent 4-Phenyl-2,2':6',2″-terpyridine Ligand: Kinetic Studies and Mechanical Properties. Polymers (Basel) 2021; 13:polym13111760. [PMID: 34072063 PMCID: PMC8199432 DOI: 10.3390/polym13111760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 12/18/2022] Open
Abstract
We report here our successful attempt to obtain self-healing supramolecular hydrogels with new metal-containing monomers (MCMs) with pendent 4-phenyl-2,2′:6′,2″-terpyridine metal complexes as reversible moieties by free radical copolymerization of MCMs with vinyl monomers, such as acrylic acid and acrylamide. The resulting metal-polymer hydrogels demonstrate a developed system of hydrogen, coordination and electron-complementary π–π stacking interactions, which play a critical role in achieving self-healing. Kinetic data show that the addition of a third metal-containing comonomer to the system decreases the initial polymerization rate, which is due to the specific effect of the metal group located in close proximity of the active center on the growth of radicals.
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Huang X, Wang X, Shi C, Liu Y, Wei Y. Research on synthesis and self-healing properties of interpenetrating network hydrogels based on reversible covalent and reversible non-covalent bonds. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-020-02155-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
AbstractFirst of all, we will provide a brief background on the self-healing hydrogels we produced which are suitable for the complex environment of nature. In this paper, disulfide bonds and acylhydrazone bonds can be combined in SH-WPU and hydrogen bonds existed in PAMAM. And the hydrogel can achieve self-healing under acid, alkaline, neutral or light environment.Self-healing for 1 h, 24 h and 48 h, the self-healing efficiency is 31.58%, 49.84% and 87.35% respectively. This effect achieved the desired effect and the repair effect is more obvious than previous research results. The hydrogels have potential applications in the field of biomaterials.
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Reversible Mechanochemistry Enabled Autonomous Sustaining of Robustness of Polymers—An Example of Next Generation Self-healing Strategy. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-021-2532-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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7
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Li CH, Zuo JL. Self-Healing Polymers Based on Coordination Bonds. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1903762. [PMID: 31599045 DOI: 10.1002/adma.201903762] [Citation(s) in RCA: 141] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/12/2019] [Indexed: 05/05/2023]
Abstract
Self-healing ability is an important survival feature in nature, with which living beings can spontaneously repair damage when wounded. Inspired by nature, people have designed and synthesized many self-healing materials by encapsulating healing agents or incorporating reversible covalent bonds or noncovalent interactions into a polymer matrix. Among the noncovalent interactions, the coordination bond is demonstrated to be effective for constructing highly efficient self-healing polymers. Moreover, with the presence of functional metal ions or ligands and dynamic metal-ligand bonds, self-healing polymers can show various functions such as dielectrics, luminescence, magnetism, catalysis, stimuli-responsiveness, and shape-memory behavior. Herein, the recent developments and achievements made in the field of self-healing polymers based on coordination bonds are presented. The advantages of coordination bonds in constructing self-healing polymers are highlighted, the various metal-ligand bonds being utilized in self-healing polymers are summarized, and examples of functional self-healing polymers originating from metal-ligand interactions are given. Finally, a perspective is included addressing the promises and challenges for the future development of self-healing polymers based on coordination bonds.
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Affiliation(s)
- Cheng-Hui Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, P. R. China
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, P. R. China
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8
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Yu W, Xue B, Zhu Z, Shen Z, Qin M, Wang W, Cao Y. Strong and Injectable Hydrogels Based on Multivalent Metal Ion-Peptide Cross-linking. Chem Res Chin Univ 2020. [DOI: 10.1007/s40242-020-9100-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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9
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Zeng L, Song M, Gu J, Xu Z, Xue B, Li Y, Cao Y. A Highly Stretchable, Tough, Fast Self-Healing Hydrogel Based on Peptide⁻Metal Ion Coordination. Biomimetics (Basel) 2019; 4:E36. [PMID: 31105221 PMCID: PMC6632049 DOI: 10.3390/biomimetics4020036] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/31/2019] [Accepted: 05/06/2019] [Indexed: 02/06/2023] Open
Abstract
Metal coordination bonds are widely used as the dynamic cross-linkers to construct self-healing hydrogels. However, it remains challenging to independently improve the toughness of metal coordinated hydrogels without affecting the stretchability and self-healing properties, as all these features are directly correlated with the dynamic properties of the same metal coordination bonds. In this work, using histidine-Zn2+ binding as an example, we show that the coordination number (the number of binding sites in each cross-linking ligand) is an important parameter for the mechanical strength of the hydrogels. By increasing the coordination number of the binding site, the mechanical strength of the hydrogels can be greatly improved without sacrificing the stretchability and self-healing properties. By adjusting the peptide and Zn2+ concentrations, the hydrogels can achieve a set of demanding mechanical features, including the Young's modulus of 7-123 kPa, fracture strain of 434-781%, toughness of 630-1350 kJ m-3, and self-healing time of ~1 h. We anticipate the engineered hydrogels can find broad applications in a variety of biomedical fields. Moreover, the concept of improving the mechanical strength of metal coordinated hydrogels by tuning the coordination number may inspire the design of other dynamically cross-linked hydrogels with further improved mechanical performance.
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Affiliation(s)
- Liang Zeng
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Mingming Song
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China.
| | - Jie Gu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China.
| | - Zhengyu Xu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China.
| | - Bin Xue
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China.
| | - Ying Li
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Yi Cao
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China.
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10
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Liu J, Li D, Zhao X, Geng J, Hua J, Wang X. Buildup of Multi-Ionic Supramolecular Network Facilitated by In-Situ Intercalated Organic Montmorillonite in 1,2-Polybutadiene. Polymers (Basel) 2019; 11:E492. [PMID: 30960476 PMCID: PMC6473310 DOI: 10.3390/polym11030492] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 03/07/2019] [Accepted: 03/07/2019] [Indexed: 11/24/2022] Open
Abstract
The development of a sacrificial bond provided unique inspiration for the design of advanced elastomers with excellent mechanical properties, but it is still a huge challenge to construct a homogenous polar sacrificial network in a nonpolar elastomer. In this effort, we proposed a novel strategy to engineer a multi-ionic network into a covalently cross-linked 1,2-polybutadiene (1,2-PB) facilitated by in-situ intercalated organic montmorillonite (OMMT) without phase separation. XRD, SEM, and TEM analysis were carried out to characterize the microstructure of the resulting polymers. Crosslinking density, dielectric performance, and cyclic tensile tests were used to demonstrate the interaction of zinc methacrylate (ZDMA) and OMMT. The dynamic nature of ionic bonds allowed it to rupture and reform to dissipate energy efficiently. Stretching orientation brought parallelism between polymer chains and OMMT layers which was beneficial for the reconstruction of the ionic network, ultimately resulting in high strength and a low stress relaxation rate. Overall, our work presented the design of a uniform and strong sacrificial network in the nano-clay/elastomer nanocomposite with outstanding mechanical performances under both static and dynamic conditions.
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Affiliation(s)
- Jinhui Liu
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Di Li
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Xiangshuai Zhao
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Jieting Geng
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Jing Hua
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Xin Wang
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
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11
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Wittmer A, Wellen R, Saalwächter K, Koschek K. Moisture-mediated self-healing kinetics and molecular dynamics in modified polyurethane urea polymers. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.07.059] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Macdougall LJ, Pérez-Madrigal MM, Shaw JE, Inam M, Hoyland JA, O'Reilly R, Richardson SM, Dove AP. Self-healing, stretchable and robust interpenetrating network hydrogels. Biomater Sci 2018; 6:2932-2937. [DOI: 10.1039/c8bm00872h] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A self-healable, mechanically strong and stretchable hydrogel network that supports cell encapsulation is reported to be achieved by creation of an interpenetrating network approach between PEG and natural polymers.
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Affiliation(s)
| | | | - Joshua E. Shaw
- Division of Cell Matrix Biology and Regenerative Medicine
- School of Biological Sciences
- Faculty of Biology
- Medicine and Health
- Manchester Academic Health Science Centre
| | - Maria Inam
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | - Judith A. Hoyland
- Division of Cell Matrix Biology and Regenerative Medicine
- School of Biological Sciences
- Faculty of Biology
- Medicine and Health
- Manchester Academic Health Science Centre
| | | | - Stephen M. Richardson
- Division of Cell Matrix Biology and Regenerative Medicine
- School of Biological Sciences
- Faculty of Biology
- Medicine and Health
- Manchester Academic Health Science Centre
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Wu J, Cai LH, Weitz DA. Tough Self-Healing Elastomers by Molecular Enforced Integration of Covalent and Reversible Networks. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:10.1002/adma.201702616. [PMID: 28799236 PMCID: PMC5903875 DOI: 10.1002/adma.201702616] [Citation(s) in RCA: 178] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 07/01/2017] [Indexed: 05/19/2023]
Abstract
Self-healing polymers crosslinked by solely reversible bonds are intrinsically weaker than common covalently crosslinked networks. Introducing covalent crosslinks into a reversible network would improve mechanical strength. It is challenging, however, to apply this concept to "dry" elastomers, largely because reversible crosslinks such as hydrogen bonds are often polar motifs, whereas covalent crosslinks are nonpolar motifs. These two types of bonds are intrinsically immiscible without cosolvents. Here, we design and fabricate a hybrid polymer network by crosslinking randomly branched polymers carrying motifs that can form both reversible hydrogen bonds and permanent covalent crosslinks. The randomly branched polymer links such two types of bonds and forces them to mix on the molecular level without cosolvents. This enables a hybrid "dry" elastomer that is very tough with fracture energy 13500 Jm-2 comparable to that of natural rubber. Moreover, the elastomer can self-heal at room temperature with a recovered tensile strength 4 MPa, which is 30% of its original value, yet comparable to the pristine strength of existing self-healing polymers. The concept of forcing covalent and reversible bonds to mix at molecular scale to create a homogenous network is quite general and should enable development of tough, self-healing polymers of practical usage.
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Affiliation(s)
- Jinrong Wu
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
| | - Li-Heng Cai
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
| | - David A. Weitz
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
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Affiliation(s)
- Yun Jung Yang
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Angela L. Holmberg
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Bradley D. Olsen
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
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15
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He YJ, Tu TH, Su MK, Yang CW, Kong KV, Chan YT. Facile Construction of Metallo-supramolecular Poly(3-hexylthiophene)-block-Poly(ethylene oxide) Diblock Copolymers via Complementary Coordination and Their Self-Assembled Nanostructures. J Am Chem Soc 2017; 139:4218-4224. [DOI: 10.1021/jacs.7b01010] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yun-Jui He
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Tsung-Han Tu
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Ming-Kun Su
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Chia-Wei Yang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Kien Voon Kong
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Yi-Tsu Chan
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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16
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Tardy A, Nicolas J, Gigmes D, Lefay C, Guillaneuf Y. Radical Ring-Opening Polymerization: Scope, Limitations, and Application to (Bio)Degradable Materials. Chem Rev 2017; 117:1319-1406. [DOI: 10.1021/acs.chemrev.6b00319] [Citation(s) in RCA: 173] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Antoine Tardy
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire
UMR 7273, campus Saint Jérôme,
Avenue Escadrille Normandie-Niemen, Case 542, 13397 Marseille Cedex 20, France
| | - Julien Nicolas
- Institut Galien Paris-Sud, UMR CNRS 8612, Univ Paris-Sud, Faculté
de Pharmacie, 5 rue Jean-Baptiste Clément, F-92296 Châtenay-Malabry Cedex, France
| | - Didier Gigmes
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire
UMR 7273, campus Saint Jérôme,
Avenue Escadrille Normandie-Niemen, Case 542, 13397 Marseille Cedex 20, France
| | - Catherine Lefay
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire
UMR 7273, campus Saint Jérôme,
Avenue Escadrille Normandie-Niemen, Case 542, 13397 Marseille Cedex 20, France
| | - Yohann Guillaneuf
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire
UMR 7273, campus Saint Jérôme,
Avenue Escadrille Normandie-Niemen, Case 542, 13397 Marseille Cedex 20, France
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Shangguan Y, Yang J, Zheng Q. Rheology of nitrile rubber with hybrid crosslinked network composed of covalent bonding and hydrogen bonding. RSC Adv 2017. [DOI: 10.1039/c7ra01106g] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
A hybrid crosslinked network composed of covalent bonding and non-covalent bonding was constructed in nitrile rubber (NBR) by using a compound crosslinking agents dicumyl peroxide (DCP) and N,N-methylenebis acrylamide (MBA).
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Affiliation(s)
- Yonggang Shangguan
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Jie Yang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Qiang Zheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
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18
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Häring M, Díaz DD. Supramolecular metallogels with bulk self-healing properties prepared by in situ metal complexation. Chem Commun (Camb) 2016; 52:13068-13081. [PMID: 27711325 DOI: 10.1039/c6cc06533c] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this feature article, we discuss a series of contributions dealing with the in situ fabrication of supramolecular metallogels (i.e. using low molecular weight ligands and metal ions) that show self-healing properties of the bulk gel phase after complete physical segregation. Most of the advances in this area have taken place during the last three years and are mainly represented by organogels, whereas examples of hydrogels and organic-aqueous gels are still a minority. In situ gelation via metal-coordination of low molecular weight compounds is conceptually different from the use of premade (e.g. in solution) coordination polymers and polymeric structures as gelators and ligands, respectively. In the case of in situ gelation, the cooperative effects of all components of the mixture (i.e. ligand, metal ion, counterions and solvent molecules) in an appropriate ratio under well-defined experimental conditions play a crucial role in the gelation phenomenon and self-healing properties of the material.
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Affiliation(s)
- Marleen Häring
- Institute of Organic Chemistry, University of Regensburg, Universitätstr. 31, Regensburg 93053, Germany.
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Mozhdehi D, Neal JA, Grindy SC, Cordeau Y, Ayala S, Holten-Andersen N, Guan Z. Tuning Dynamic Mechanical Response in Metallopolymer Networks through Simultaneous Control of Structural and Temporal Properties of the Networks. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01626] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Davoud Mozhdehi
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - James A. Neal
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Scott C. Grindy
- Department
of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Yves Cordeau
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Sergio Ayala
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Niels Holten-Andersen
- Department
of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Zhibin Guan
- Department
of Chemistry, University of California, Irvine, Irvine, California 92697, United States
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20
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Radl S, Kreimer M, Griesser T, Oesterreicher A, Moser A, Kern W, Schlögl S. New strategies towards reversible and mendable epoxy based materials employing [4πs+4πs] photocycloaddition and thermal cycloreversion of pendant anthracene groups. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.10.043] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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22
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23
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Lane DD, Kaur S, Weerasakare GM, Stewart RJ. Toughened hydrogels inspired by aquatic caddisworm silk. SOFT MATTER 2015; 11:6981-6990. [PMID: 26234366 DOI: 10.1039/c5sm01297j] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Aquatic caddisworm silk is a tough adhesive fiber. Part of the toughening mechanism resides in serial, Ca(2+)-phosphate crosslinked nano-domains that comprise H-fibroin, the major structural protein. To mimic the toughening mechanism, a synthetic phosphate-graft-methacrylate prepolymer, as a simple H-fibroin analog, was copolymerized within a covalent elastic network of polyacrylamide. Above a critical phosphate sidechain density, hydrogels equilibrated with Ca(2+) or Zn(2+) ions displayed greatly increased initial stiffness, strain-rate dependent yield behavior, and required 100 times more work to fracture than hydrogels equilibrated with Mg(2+) or Na(+) ions. Conceptually, the enhanced toughness is attributed to energy-dissipating, viscous unfolding of clustered phosphate-metal ion crosslinks at a critical stress. The toughness of the bioinspired hydrogels exceeds the toughness of cartilage and meniscus suggesting potential application as prosthetic biomaterials. The tough hydrogels also provide a simplified model to test hypotheses about caddisworm silk architecture, phosphate metal ion interactions, and mechanochemical toughening mechanisms.
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Affiliation(s)
- Dwight D Lane
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA.
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24
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Chung K, Lee S, Park M, Yoo P, Hong Y. Preparation and characterization of microcapsule-containing self-healing asphalt. J IND ENG CHEM 2015. [DOI: 10.1016/j.jiec.2015.04.011] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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25
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Degtyar E, Mlynarczyk B, Fratzl P, Harrington MJ. Recombinant engineering of reversible cross-links into a resilient biopolymer. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.03.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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26
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Polyether-maleimide-based crosslinked self-healing polyurethane with Diels-Alder bonds. J Appl Polym Sci 2015. [DOI: 10.1002/app.41944] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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27
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Duerrbeck A, Gorelik S, Hobley J, Wu J, Hor A, Long N. Highly emissive, solution-processable and dynamic Eu(iii)-containing coordination polymers. Chem Commun (Camb) 2015; 51:8656-9. [DOI: 10.1039/c5cc01793a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Preparation of new soluble dynamic coordination networks based on Eu(iii) and a new, rigid ditopic pybox-related ligand.
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Affiliation(s)
- Andre Duerrbeck
- Department of Chemistry
- National University of Singapore
- Singapore 117543
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
| | - Sergey Gorelik
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
- Technology & Research
- Singapore 117602
| | - Jonathan Hobley
- Department of Chemistry
- University Brunei Darussalam
- Gadong BE 1410
- Brunei
| | - Ji'En Wu
- Department of Chemistry
- National University of Singapore
- Singapore 117543
| | - Andy Hor
- Department of Chemistry
- National University of Singapore
- Singapore 117543
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
| | - Nicholas Long
- Department of Chemistry
- Imperial College London
- London
- UK
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29
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Bai J, Li H, Shi Z, Tian M, Yin J. Dynamic crosslinked poly(styrene-block-butadiene-block-styrene) via Diels–Alder chemistry: an ideal method to improve solvent resistance and mechanical properties without losing its thermal plastic behavior. RSC Adv 2015. [DOI: 10.1039/c5ra08719h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Poly(styrene-block-butadiene-block-styrene) (SBS) is a typical example of thermal plastic elastomers (TPE).
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Affiliation(s)
- Jing Bai
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials
- Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
| | - Hui Li
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials
- Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
| | - Zixing Shi
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials
- Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
| | - Ming Tian
- State Key Lab of Organic–Inorganic Composites
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jie Yin
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials
- Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
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30
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Zhang W, Duchet J, Gérard J. Self-healable interfaces based on thermo-reversible Diels–Alder reactions in carbon fiber reinforced composites. J Colloid Interface Sci 2014; 430:61-8. [DOI: 10.1016/j.jcis.2014.05.007] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 05/06/2014] [Accepted: 05/09/2014] [Indexed: 11/30/2022]
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31
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Li D, Ji B. Predicted rupture force of a single molecular bond becomes rate independent at ultralow loading rates. PHYSICAL REVIEW LETTERS 2014; 112:078302. [PMID: 24579639 DOI: 10.1103/physrevlett.112.078302] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2013] [Indexed: 05/15/2023]
Abstract
We present for the first time a theoretical model of studying the saturation of the rupture force of a single molecular bond that causes the rupture force to be rate independent under an ultralow loading rate. This saturation will obviously bring challenges to understanding the rupture behavior of the molecular bond using conventional methods. This intriguing feature implies that the molecular bond has a nonzero strength at a vanishing loading rate. We find that the saturation behavior is caused by bond rebinding when the loading rate is lower than a limiting value depending on the loading stiffness.
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Affiliation(s)
- Dechang Li
- Biomechanics and Biomaterials Laboratory, Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081, China
| | - Baohua Ji
- Biomechanics and Biomaterials Laboratory, Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081, China
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32
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Zhao X. Multi-scale multi-mechanism design of tough hydrogels: building dissipation into stretchy networks. SOFT MATTER 2014; 10:672-87. [PMID: 24834901 PMCID: PMC4040255 DOI: 10.1039/c3sm52272e] [Citation(s) in RCA: 605] [Impact Index Per Article: 60.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
As swollen polymer networks in water, hydrogels are usually brittle. However, hydrogels with high toughness play critical roles in many plant and animal tissues as well as in diverse engineering applications. Here we review the intrinsic mechanisms of a wide variety of tough hydrogels developed over the past few decades. We show that tough hydrogels generally possess mechanisms to dissipate substantial mechanical energy but still maintain high elasticity under deformation. The integrations and interactions of different mechanisms for dissipating energy and maintaining elasticity are essential to the design of tough hydrogels. A matrix that combines various mechanisms is constructed for the first time to guide the design of next-generation tough hydrogels. We further highlight that a particularly promising strategy for the design is to implement multiple mechanisms across multiple length scales into nano-, micro-, meso-, and macro-structures of hydrogels.
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Affiliation(s)
- Xuanhe Zhao
- Soft Active Materials Laboratory, Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, USA.
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33
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Finelli I, Chiessi E, Oddo L, Galesso D, Renier D, Paradossi G. Collective Dynamics and Transient Behavior of Partially Hydrophobic Hyaluronic Acid Chains. MACROMOL CHEM PHYS 2013. [DOI: 10.1002/macp.201300503] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ivana Finelli
- Dipartimento di Scienze e Tecnologie Chimiche; Università di Roma Tor Vergata; 00133 Rome Italy
| | - Ester Chiessi
- Dipartimento di Scienze e Tecnologie Chimiche; Università di Roma Tor Vergata; 00133 Rome Italy
| | - Letizia Oddo
- Dipartimento di Scienze e Tecnologie Chimiche; Università di Roma Tor Vergata; 00133 Rome Italy
| | - Devis Galesso
- FIDIA Farmaceutici S.p.A; Via Ponte della Fabbrica 3/A, Abano Terme (PD) 35031 Italy
| | - Davide Renier
- FIDIA Farmaceutici S.p.A; Via Ponte della Fabbrica 3/A, Abano Terme (PD) 35031 Italy
| | - Gaio Paradossi
- Dipartimento di Scienze e Tecnologie Chimiche; Università di Roma Tor Vergata; 00133 Rome Italy
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34
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Stukalin EB, Cai LH, Kumar NA, Leibler L, Rubinstein M. Self-Healing of Unentangled Polymer Networks with Reversible Bonds. Macromolecules 2013; 46:10.1021/ma401111n. [PMID: 24347684 PMCID: PMC3857756 DOI: 10.1021/ma401111n] [Citation(s) in RCA: 211] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Self-healing polymeric materials are systems that after damage can revert to their original state with full or partial recovery of mechanical strength. Using scaling theory we study a simple model of autonomic self-healing of unentangled polymer networks. In this model one of the two end monomers of each polymer chain is fixed in space mimicking dangling chains attachment to a polymer network, while the sticky monomer at the other end of each chain can form pairwise reversible bond with the sticky end of another chain. We study the reaction kinetics of reversible bonds in this simple model and analyze the different stages in the self-repair process. The formation of bridges and the recovery of the material strength across the fractured interface during the healing period occur appreciably faster after shorter waiting time, during which the fractured surfaces are kept apart. We observe the slowest formation of bridges for self-adhesion after bringing into contact two bare surfaces with equilibrium (very low) density of open stickers in comparison with self-healing. The primary role of anomalous diffusion in material self-repair for short waiting times is established, while at long waiting times the recovery of bonds across fractured interface is due to hopping diffusion of stickers between different bonded partners. Acceleration in bridge formation for self-healing compared to self-adhesion is due to excess non-equilibrium concentration of open stickers. Full recovery of reversible bonds across fractured interface (formation of bridges) occurs after appreciably longer time than the equilibration time of the concentration of reversible bonds in the bulk.
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Affiliation(s)
- Evgeny B. Stukalin
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
| | - Li-Heng Cai
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
- Curriculum in Applied Sciences and Engineering, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
| | - N. Arun Kumar
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
| | - Ludwik Leibler
- Matière Molle et Chimie (UMR 7167 ESPCI/CNRS), ESPCI, 10 rue Vauquelin, 75005 Paris, France
| | - Michael Rubinstein
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
- Curriculum in Applied Sciences and Engineering, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
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36
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Chirila TV, Lee HH, Oddon M, Nieuwenhuizen MML, Blakey I, Nicholson TM. Hydrogen-bonded supramolecular polymers as self-healing hydrogels: Effect of a bulky adamantyl substituent in the ureido-pyrimidinone monomer. J Appl Polym Sci 2013. [DOI: 10.1002/app.39932] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Traian V. Chirila
- Queensland Eye Institute; South Brisbane Queensland 4101 Australia
- Queensland University of Technology; Faculty of Science and Engineering; Brisbane Queensland 4001 Australia
- The University of Queensland; Australian Institute for Bioengineering and Nanotechnology (AIBN); St Lucia Queensland 4072 Australia
- The University of Queensland; Faculty of Health Sciences; Herston Queensland 4006 Australia
| | - Hui Hui Lee
- Queensland Eye Institute; South Brisbane Queensland 4101 Australia
- The University of Queensland; Australian Institute for Bioengineering and Nanotechnology (AIBN); St Lucia Queensland 4072 Australia
| | - Mathieu Oddon
- Queensland Eye Institute; South Brisbane Queensland 4101 Australia
- École Supérieure d'Ingénieurs de Luminy (ESIL); Polytech Marseille, Aix-Marseille Université; 13288 Marseille Cedex 09 France
| | - Marko M. L. Nieuwenhuizen
- Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry; Eindhoven University of Technology; 5600 M B Eindhoven The Netherlands
| | - Idriss Blakey
- The University of Queensland; Australian Institute for Bioengineering and Nanotechnology (AIBN); St Lucia Queensland 4072 Australia
- Centre for Advanced Imaging (CAI); The University of Queensland; St Lucia Queensland 4072 Australia
| | - Timothy M. Nicholson
- School of Chemical Engineering; The University of Queensland; St Lucia Queensland 4072 Australia
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37
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Affiliation(s)
- Prashant Tyagi
- IEM (Institut Européen des Membranes), UMR 5635 (CNRS‐ENSCM‐UM2), Universite Montpellier 2, Place E. Bataillon, F‐34095 Montpellier (France)
| | - André Deratani
- IEM (Institut Européen des Membranes), UMR 5635 (CNRS‐ENSCM‐UM2), Universite Montpellier 2, Place E. Bataillon, F‐34095 Montpellier (France)
| | - Damien Quemener
- IEM (Institut Européen des Membranes), UMR 5635 (CNRS‐ENSCM‐UM2), Universite Montpellier 2, Place E. Bataillon, F‐34095 Montpellier (France)
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38
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Fullenkamp DE, He L, Barrett DG, Burghardt WR, Messersmith PB. Mussel-inspired histidine-based transient network metal coordination hydrogels. Macromolecules 2013; 46:1167-1174. [PMID: 23441102 PMCID: PMC3579674 DOI: 10.1021/ma301791n] [Citation(s) in RCA: 188] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Transient network hydrogels cross-linked through histidine-divalent cation coordination bonds were studied by conventional rheologic methods using histidine-modified star poly(ethylene glycol) (PEG) polymers. These materials were inspired by the mussel, which is thought to use histidine-metal coordination bonds to impart self-healing properties in the mussel byssal thread. Hydrogel viscoelastic mechanical properties were studied as a function of metal, pH, concentration, and ionic strength. The equilibrium metal-binding constants were determined by dilute solution potentiometric titration of monofunctional histidine-modified methoxy-PEG and were found to be consistent with binding constants of small molecule analogs previously studied. pH-dependent speciation curves were then calculated using the equilibrium constants determined by potentiometric titration, providing insight into the pH dependence of histidine-metal ion coordination and guiding the design of metal coordination hydrogels. Gel relaxation dynamics were found to be uncorrelated with the equilibrium constants measured, but were correlated to the expected coordination bond dissociation rate constants.
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Affiliation(s)
| | - Lihong He
- Biomedical Engineering Department
- Chemistry of Life Processes Institute
| | - Devin G. Barrett
- Biomedical Engineering Department
- Chemistry of Life Processes Institute
- Institute for Bionanotechnology in Medicine
| | | | - Phillip B. Messersmith
- Biomedical Engineering Department
- Chemistry of Life Processes Institute
- Institute for Bionanotechnology in Medicine
- Chemical and Biological Engineering Department
- Robert H. Lurie Comprehensive Cancer Center
- Materials Science and Engineering Department
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39
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Herbst F, Döhler D, Michael P, Binder WH. Self-Healing Polymers via Supramolecular Forces. Macromol Rapid Commun 2013; 34:203-20. [DOI: 10.1002/marc.201200675] [Citation(s) in RCA: 452] [Impact Index Per Article: 41.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Revised: 11/11/2012] [Indexed: 11/09/2022]
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40
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Baruah PK, Khan S. Self-complementary quadruple hydrogen bonding motifs: from design to function. RSC Adv 2013. [DOI: 10.1039/c3ra43814g] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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41
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Affiliation(s)
- Ying Yang
- Department of Materials Science and Engineering and Center for Optical Materials Science and Engineering Technologies (COMSET), Clemson University, Clemson, SC 29634, USA
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42
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Brassinne J, Fustin CA, Gohy JF. Polymer Gels Constructed Through Metal–Ligand Coordination. J Inorg Organomet Polym Mater 2012. [DOI: 10.1007/s10904-012-9757-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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43
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44
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Interpreting the widespread nonlinear force spectra of intermolecular bonds. Proc Natl Acad Sci U S A 2012; 109:13573-8. [PMID: 22869712 DOI: 10.1073/pnas.1202946109] [Citation(s) in RCA: 205] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Single molecule force spectroscopy probes the strength, lifetime, and energetic details of intermolecular interactions in a simple experiment. A growing number of these studies have reported distinctly nonlinear trends in rupture force with loading rate that are typically explained in conventional models by invoking complex escape pathways. Recent analyses suggested that these trends should be expected even for simple barriers based on the basic assumptions of bond rupture dynamics and thus may represent the norm rather than the exception. Here we explore how these nonlinear trends reflect the two fundamental regimes of bond rupture: (i) a near-equilibrium regime, produced either by bond reforming in the case of a single bond or by asynchronized rupture of multiple individual bonds, and (ii) a kinetic regime produced by fast, non-equilibrium bond rupture. We analyze both single- and multi-bonded cases, describe the full evolution of the system as it transitions between near- and far-from-equilibrium loading regimes, and show that both interpretations produce essentially identical force spectra. Data from 10 different molecular systems show that this model provides a comprehensive description of force spectra for a diverse suite of bonds over experimentally relevant loading rates, removes the inconsistencies of previous interpretations of transition state distances, and gives ready access to both kinetic and thermodynamic information about the interaction. These results imply that single-molecule binding free energies for a vast number of bonds have already been measured.
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45
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Kumpfer JR, Rowan SJ. Directed Self-Assembly of Metallosupramolecular Polymers at the Polymer-Polymer Interface. ACS Macro Lett 2012; 1:882-887. [PMID: 35607137 DOI: 10.1021/mz300224x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Directed self-assembly of a metallosupramolecular polymer is achieved at the interface between two polymer films by simple melt pressing. Blends of a 2,6-bis(N-methylbenzimidazolyl)pyridine (MeBip) side-chain functionalized polystyrene in a polystyrene matrix and Zn(NTf2)2 in a poly(methyl methacrylate) matrix were pressed together above the Tg of the matrix polymers resulting in diffusion of the components and subsequent self-assembly of the metallosupramolecular polymer at the polymer-polymer interface. The formation of the metallosupramolecular polymer was monitored by spectroscopy and microscopy and it was found that the interfacial self-assembly occurs at the processing temperatures (ca. 210 °C) within 5 min. It was further shown that this materials system resulted in robust films that exhibited a new emergent property, namely, phosphorescence, which is not exhibited by any of the individual components nor the metallosupramolecular polymer itself.
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Affiliation(s)
- Justin R. Kumpfer
- Department of Macromolecular Science and Engineering, Case Western Reserve University, 2100 Adelbert Road, Cleveland, Ohio 44106-7202, United States
| | - Stuart J. Rowan
- Department of Macromolecular Science and Engineering, Case Western Reserve University, 2100 Adelbert Road, Cleveland, Ohio 44106-7202, United States
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46
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47
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Appel EA, del Barrio J, Loh XJ, Scherman OA. Supramolecular polymeric hydrogels. Chem Soc Rev 2012; 41:6195-214. [DOI: 10.1039/c2cs35264h] [Citation(s) in RCA: 865] [Impact Index Per Article: 72.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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48
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Seiffert S, Sprakel J. Physical chemistry of supramolecular polymer networks. Chem Soc Rev 2012; 41:909-30. [DOI: 10.1039/c1cs15191f] [Citation(s) in RCA: 401] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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49
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Yoon JA, Kamada J, Koynov K, Mohin J, Nicolaÿ R, Zhang Y, Balazs AC, Kowalewski T, Matyjaszewski K. Self-Healing Polymer Films Based on Thiol–Disulfide Exchange Reactions and Self-Healing Kinetics Measured Using Atomic Force Microscopy. Macromolecules 2011. [DOI: 10.1021/ma2015134] [Citation(s) in RCA: 361] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jeong Ae Yoon
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
| | - Jun Kamada
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
- Material Science Laboratory, Mitsui Chemicals, Inc., 580-32 Nagaura, Sodegaura,
Chiba 299-0265, Japan
| | - Kaloian Koynov
- Max Planck Institutes for Polymer Research, Ackermannweg 10, Mainz 55128,
Germany
| | - Jake Mohin
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
| | - Renaud Nicolaÿ
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
| | - Yaozhong Zhang
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
| | - Anna C. Balazs
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania
15213, United States
| | - Tomasz Kowalewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
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50
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Guimard NK, Oehlenschlaeger KK, Zhou J, Hilf S, Schmidt FG, Barner-Kowollik C. Current Trends in the Field of Self-Healing Materials. MACROMOL CHEM PHYS 2011. [DOI: 10.1002/macp.201100442] [Citation(s) in RCA: 231] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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