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Li YM, Zhang ZP, Rong MZ, Zhang MQ. Sunlight Stimulated Photochemical Self-Healing Polymers Capable of Re-Bonding Damages up to a Centimeter Below the Surface Even Out of the Reach of the Illumination. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2211009. [PMID: 36660910 DOI: 10.1002/adma.202211009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/04/2023] [Indexed: 06/17/2023]
Abstract
The development of photochemical self-healing polymers faces the the following bottlenecks: i) only the surface cracks can be restored and ii) materials' mechanical properties are lower. To break these bottlenecks, cross-linked poly(urethane-dithiocarbamate)s carrying photo-reversible dithiocarbamate bonds covalently linked to indole chromophores and benzyl groups are designed. The conjugated structure of the chromophore and benzyl enhances the addition reactivity of thiocarbonyl moiety and facilitates photo-cleavage of CS bond, so that transfer of the created radicals among dithiocarbamate linkages is promoted. Accordingly, reshuffling of the reversibly cross-linked networks via dynamic exchange between the activated dithiocarbamates is enabled in both surface layer and the interior upon exposure to the low-intensity ultraviolet (UV) light from the sun. It is found that the damages up to a centimeter below the surface can be effectively recovered in the sunshine, which greatly exceeds the maximum penetration distance of UV light (hundreds of microns). Besides, tensile strength and failure strain of the poly(urethane-dithiocarbamate) are superior to the reported photo-reversible polymers, achieving the record-high 33.8 MPa and 782.0% owing to the wide selectivity of soft/hard blocks, multiple interactions, and appropriate cross-linking architecture. The present work provides a novel paradigm of photo self-healing polymers capable of re-bonding cracks even out of the reach of the illumination.
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Affiliation(s)
- Yan Mei Li
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Ze Ping Zhang
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Min Zhi Rong
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Ming Qiu Zhang
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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2
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Thermally Degradable Poly(n-butyl acrylate) Model Networks Prepared by PhotoATRP and Radical Trap-Assisted Atom Transfer Radical Coupling. Polymers (Basel) 2022; 14:polym14040713. [PMID: 35215627 PMCID: PMC8880605 DOI: 10.3390/polym14040713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 11/16/2022] Open
Abstract
Model poly(n-butyl acrylate) (PBA) networks were prepared by photoinduced atom transfer radical polymerization (photoATRP), followed by curing of polymer stars via atom transfer radical coupling (ATRC) with a nitrosobenzene radical trap. The resulting nitroxyl radical installed thermally labile alkoxyamine functional groups at the junctions of the network. The alkoxyamine crosslinks of the network were degraded back to star-like products upon exposure to temperatures above 135 °C. Characterization of the degraded products via gel permeation chromatography (GPC) confirmed the inversion of polymer topology after thermal treatment.
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3
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Matt Y, Wessely I, Gramespacher L, Tsotsalas M, Bräse S. Rigid Multidimensional Alkoxyamines: A Versatile Building Block Library. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001415] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yannick Matt
- Institute of Organic Chemistry – IOC Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
- 3DMM2O – Cluster of Excellence (EXC-2082/1-390761711) Karlsruhe Institute of Technology (KIT) Kaiserstraße 12 76131 Karlsruhe Germany
| | - Isabelle Wessely
- Institute of Organic Chemistry – IOC Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Lisa Gramespacher
- Institute of Organic Chemistry – IOC Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Manuel Tsotsalas
- Institute of Functional Interfaces – IFG Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Stefan Bräse
- Institute of Organic Chemistry – IOC Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
- 3DMM2O – Cluster of Excellence (EXC-2082/1-390761711) Karlsruhe Institute of Technology (KIT) Kaiserstraße 12 76131 Karlsruhe Germany
- Institute of Biological and Chemical Systems – IBCS-FMS Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
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4
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Corrigan N, Ciftci M, Jung K, Boyer C. Gesteuerte Reaktionsorthogonalität in der Polymer‐ und Materialwissenschaft. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201912001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Mustafa Ciftci
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
- Department of Chemistry Faculty of Engineering and Natural Science Bursa Technical University Bursa 16310 Turkey
| | - Kenward Jung
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
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5
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Corrigan N, Ciftci M, Jung K, Boyer C. Mediating Reaction Orthogonality in Polymer and Materials Science. Angew Chem Int Ed Engl 2020; 60:1748-1781. [DOI: 10.1002/anie.201912001] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Mustafa Ciftci
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
- Department of Chemistry Faculty of Engineering and Natural Science Bursa Technical University Bursa 16310 Turkey
| | - Kenward Jung
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
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6
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Jia Y, Matt Y, An Q, Wessely I, Mutlu H, Theato P, Bräse S, Llevot A, Tsotsalas M. Dynamic covalent polymer networks via combined nitroxide exchange reaction and nitroxide mediated polymerization. Polym Chem 2020. [DOI: 10.1039/c9py01878f] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study explores the combination of nitroxide exchange reaction (NER) and nitroxide mediated polymerization (NMP) to prepare structurally tailored and engineered macromolecular networks with dynamically tunable strand lengths.
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Affiliation(s)
- Yixuan Jia
- Institute of Functional Interfaces (IFG)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - Yannick Matt
- Institute of Organic Chemistry (IOC)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
- 3DMM2O – Cluster of Excellence (EXC-2082/1-390761711)
| | - Qi An
- Institute of Functional Interfaces (IFG)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - Isabelle Wessely
- Institute of Organic Chemistry (IOC)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
- 3DMM2O – Cluster of Excellence (EXC-2082/1-390761711)
| | - Hatice Mutlu
- Soft Matter Synthesis Laboratory
- Institute of Biological Interfaces III (IBG-3)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - Patrick Theato
- Soft Matter Synthesis Laboratory
- Institute of Biological Interfaces III (IBG-3)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - Stefan Bräse
- Institute of Organic Chemistry (IOC)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
- 3DMM2O – Cluster of Excellence (EXC-2082/1-390761711)
| | - Audrey Llevot
- University of Bordeaux
- CNRS
- Bordeaux INP
- Laboratoire de Chimie des Polymères Organiques (LCPO)
- UMR 5629
| | - Manuel Tsotsalas
- Institute of Functional Interfaces (IFG)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
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7
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Zhang Z, Corrigan N, Bagheri A, Jin J, Boyer C. A Versatile 3D and 4D Printing System through Photocontrolled RAFT Polymerization. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201912608] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhiheng Zhang
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicineSchool of Chemical EngineeringUniversity of New South Wales Sydney NSW 2052 Australia
| | - Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicineSchool of Chemical EngineeringUniversity of New South Wales Sydney NSW 2052 Australia
| | - Ali Bagheri
- School of Chemical SciencesThe University of Auckland, and Dodd-Walls Centre for Quantum and Photonic Technologies Auckland 1010 New Zealand
| | - Jianyong Jin
- School of Chemical SciencesThe University of Auckland, and Dodd-Walls Centre for Quantum and Photonic Technologies Auckland 1010 New Zealand
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicineSchool of Chemical EngineeringUniversity of New South Wales Sydney NSW 2052 Australia
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8
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Zhang Z, Corrigan N, Bagheri A, Jin J, Boyer C. A Versatile 3D and 4D Printing System through Photocontrolled RAFT Polymerization. Angew Chem Int Ed Engl 2019; 58:17954-17963. [PMID: 31642580 DOI: 10.1002/anie.201912608] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Indexed: 11/07/2022]
Abstract
Reversible addition-fragmentation chain-transfer (RAFT) polymerization is a valuable tool for synthesizing macromolecules with controlled topologies and diverse chemical functionalities. However, the application of RAFT polymerization to additive-manufacturing processes has been prevented due to the slow polymerization rates of typical systems. In this work, we developed and optimized a rapid visible (green) light mediated RAFT polymerization process and applied it to an open-air 3D printing system. The reaction components are non-toxic, metal free and environmentally friendly, which tailors these systems toward biomaterial fabrication. The inclusion of RAFT agent in the photosensitive resin provided control over the mechanical properties of 3D printed materials and allowed these materials to be post-functionalized after 3D printing. Additionally, photoinduced spatiotemporal control of the network structure provided a one-pass approach to 4D printed materials. This RAFT-mediated 3D and 4D printing process should provide access to a range of new functional and stimuli-responsive materials.
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Affiliation(s)
- Zhiheng Zhang
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Ali Bagheri
- School of Chemical Sciences, The University of Auckland, and Dodd-Walls Centre for Quantum and Photonic Technologies, Auckland, 1010, New Zealand
| | - Jianyong Jin
- School of Chemical Sciences, The University of Auckland, and Dodd-Walls Centre for Quantum and Photonic Technologies, Auckland, 1010, New Zealand
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
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9
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Handique J, Gogoi J, Dolui SK. Development of self‐healing star metallopolymers by metal–ligand crosslinking. J Appl Polym Sci 2019. [DOI: 10.1002/app.48527] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Junali Handique
- Department of Chemical SciencesTezpur University Tezpur Assam 784028 India
| | - Joly Gogoi
- Department of Chemical SciencesTezpur University Tezpur Assam 784028 India
| | - Swapan K. Dolui
- Department of Chemical SciencesTezpur University Tezpur Assam 784028 India
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10
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Liu HY, Qiao Z, Mao XX, Zha JC, Yin J. Phenylboronic Acid-Dopamine Dynamic Covalent Bond Involved Dual-Responsive Polymeric Complex: Construction and Anticancer Investigation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:11850-11858. [PMID: 31423793 DOI: 10.1021/acs.langmuir.9b02194] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In cancer treatment, prolonging the retention time of therapeutic agents in tumor tissues is a key point in enhancing the therapeutic efficacy. However, drug delivery by intravenous injection is always subjected to a "CAPIR" cascade, including circulation, accumulation, penetration, internalization, and release. Intratumoral administration has gradually emerged as an ideal alternative approach for nanomedicine because of its independence of blood constituents and minimal systemic toxicities. In this contribution, based on the dynamically reversible interaction between boronic acid (BA) and dopamine (DA), a thermo- and pH-responsive polymeric complex is rationally obtained by facile mixing of phenylboronic acid (PBA)- and tetraphenylethene (TPE)-modified poly(N-isopropylacrylamide)-b-poly(phenyl isocyanide)s block copolymers, PNIPAM-b-P(PBAPI-co-TPEPI), and tetra(ethylene glycol) methyl ether acrylate (OEGA)- and DA-containing hydrophilic P(DA-co-OEGA) copolymers. The resultant complex exhibited temperature- and pH-dependent size change as well as sustained nile red (NR) release profiles in a mimic tumor environment. Moreover, thanks to the opposite optical behavior of TPE and NR molecules, the complex could be served as a fluorescence ratiometric cell imaging agent, avoiding the interference of background fluorescence and improving correlated resolution. After encapsulation of camptothecin (anticancer drug), the efficient killing on HeLa cells was achieved in vitro, and the structural integrity of the complex endowed its extended retention time in tumor tissues. Considering these advantages, the reversible covalent interaction between PBA and diols can be used as an efficient driving force to form dynamic drug-delivery vectors, which are promising to be an effective nanoplatform for injectable medical treatments.
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Affiliation(s)
- Huan-Ying Liu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering , Hefei University of Technology and Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering and Biomedical and Environmental Interdisciplinary Research Centre , Hefei 230009 , P. R. China
| | - Zhu Qiao
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering , Hefei University of Technology and Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering and Biomedical and Environmental Interdisciplinary Research Centre , Hefei 230009 , P. R. China
| | - Xiao-Xu Mao
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering , Hefei University of Technology and Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering and Biomedical and Environmental Interdisciplinary Research Centre , Hefei 230009 , P. R. China
| | - Jie-Cheng Zha
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering , Hefei University of Technology and Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering and Biomedical and Environmental Interdisciplinary Research Centre , Hefei 230009 , P. R. China
| | - Jun Yin
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering , Hefei University of Technology and Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering and Biomedical and Environmental Interdisciplinary Research Centre , Hefei 230009 , P. R. China
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11
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Xu S, Sheng D, Liu X, Ji F, Zhou Y, Dong L, Wu H, Yang Y. A seawater‐assisted self‐healing metal–catechol polyurethane with tunable mechanical properties. POLYM INT 2019. [DOI: 10.1002/pi.5798] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Shaobin Xu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of China Hefei China
| | - Dekun Sheng
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
| | - Xiangdong Liu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
| | - Fance Ji
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
| | - Yan Zhou
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of China Hefei China
| | - Li Dong
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of China Hefei China
| | - Haohao Wu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of China Hefei China
| | - Yuming Yang
- CAS Key Laboratory of High‐Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of China Hefei China
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12
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An Q, Wessely ID, Matt Y, Hassan Z, Bräse S, Tsotsalas M. Recycling and self-healing of dynamic covalent polymer networks with a precisely tuneable crosslinking degree. Polym Chem 2019. [DOI: 10.1039/c8py01474d] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Dynamic covalent polymer networks combine intrinsic reversibility with the robustness of covalent bonds, creating chemically stable materials that are responsive to external stimuli.
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Affiliation(s)
- Qi An
- Institute of Functional Interfaces (IFG)
- Karlsruhe Institute of Technology (KIT)
- D-76344 Eggenstein-Leopoldshafen
- Germany
| | - Isabelle D. Wessely
- Institute of Organic Chemistry (IOC)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
| | - Yannick Matt
- Institute of Organic Chemistry (IOC)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
| | - Zahid Hassan
- Institute of Functional Interfaces (IFG)
- Karlsruhe Institute of Technology (KIT)
- D-76344 Eggenstein-Leopoldshafen
- Germany
| | - Stefan Bräse
- Institute of Organic Chemistry (IOC)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
- Institute of Toxicology and Genetics (ITG)
| | - Manuel Tsotsalas
- Institute of Functional Interfaces (IFG)
- Karlsruhe Institute of Technology (KIT)
- D-76344 Eggenstein-Leopoldshafen
- Germany
- Institute of Organic Chemistry (IOC)
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13
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Woehlk H, Lauer A, Trouillet V, Welle A, Barner L, Blinco JP, Fairfull-Smith KE, Barner-Kowollik C. Dynamic Nitroxide Functional Materials. Chemistry 2018; 24:18873-18879. [PMID: 30329188 DOI: 10.1002/chem.201804602] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Indexed: 11/11/2022]
Abstract
A substrate-independent and versatile coating platform for (spatially resolved) surface functionalization, based on nitroxide radical coupling (NRC) reactions and the formation of thermo-labile alkoxyamine functional groups, was introduced. Nitroxide-decorated poly(glycidyl methacrylate) (PGMA) microspheres, obtained through bioinspired copolymer surface deposition using dopamine and a nitroxide functional dopamine derivative as monomers, were conjugated with small functional groups in a rewritable process. Reversible coding of the nitroxide functional microspheres by NRC and decoding through thermal alkoxyamine fission were monitored and characterized by electron paramagnetic resonance (EPR) spectroscopy and X-ray photoelectron spectroscopy (XPS). In addition, this nitroxide coating system was exploited in "grafting-to" polymer surface ligations of poly(methyl methacrylate) (PMMA) and poly(2,2,2-trifluoroethyl methacrylate) (PTFEMA) in spatially confined areas. Polymer strands terminated with an Irgacure 2959 (2-hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone) photoinitiator were obtained through chain-transfer polymerization, and subsequently coupled to nitroxide-immobilized poly(dopamine) (PDA)-coated silicon substrates by using rapid photoclick NRC reactions. Light-driven polymer surface coding was visualized by time-of-flight secondary ion mass spectrometry (ToF-SIMS) and XPS imaging.
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Affiliation(s)
- Hendrik Woehlk
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George Street, QLD, 4000, Brisbane, Australia.,Macromolecular Architectures, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128, Karlsruhe, Germany
| | - Andrea Lauer
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George Street, QLD, 4000, Brisbane, Australia.,Macromolecular Architectures, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128, Karlsruhe, Germany
| | - Vanessa Trouillet
- Institute for Applied Materials (IAM-ESS), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany.,Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Alexander Welle
- Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany.,Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Leonie Barner
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George Street, QLD, 4000, Brisbane, Australia.,Institute for Future Environments, Queensland University of Technology (QUT), 2 George Street, QLD, 4000, Brisbane, Australia
| | - James P Blinco
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George Street, QLD, 4000, Brisbane, Australia.,Macromolecular Architectures, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128, Karlsruhe, Germany
| | - Kathryn E Fairfull-Smith
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George Street, QLD, 4000, Brisbane, Australia
| | - Christopher Barner-Kowollik
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George Street, QLD, 4000, Brisbane, Australia.,Macromolecular Architectures, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128, Karlsruhe, Germany
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14
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Polymer engineering based on reversible covalent chemistry: A promising innovative pathway towards new materials and new functionalities. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2018.03.002] [Citation(s) in RCA: 307] [Impact Index Per Article: 51.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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15
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Naveed KUR, Wang L, Yu H, Ullah RS, Haroon M, Fahad S, Li J, Elshaarani T, Khan RU, Nazir A. Recent progress in the electron paramagnetic resonance study of polymers. Polym Chem 2018. [DOI: 10.1039/c8py00689j] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This review article provides an overview of the contemporary research based on a tailor-made technique to understand the paramagnetic behavior of different polymer classes.
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Affiliation(s)
| | - Li Wang
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Haojie Yu
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Raja Summe Ullah
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Muhammad Haroon
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Shah Fahad
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Jiyang Li
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Tarig Elshaarani
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Rizwan Ullah Khan
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
| | - Ahsan Nazir
- College of Chemical and Biological Engineering
- Zhejiang University
- Zhejiang
- China
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16
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Honda S, Tanaka N, Toyota T. Synthesis of star-shaped poly(n
-butyl acrylate) oligomers with coumarin end groups and their networks for a UV-tunable viscoelastic material. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28777] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Satoshi Honda
- Department of Basic Science, Graduate School of Arts and Sciences; The University of Tokyo, 3-8-1 Komaba; Meguro Tokyo 153-8902 Japan
| | - Nobuaki Tanaka
- Department of Basic Science, Graduate School of Arts and Sciences; The University of Tokyo, 3-8-1 Komaba; Meguro Tokyo 153-8902 Japan
| | - Taro Toyota
- Department of Basic Science, Graduate School of Arts and Sciences; The University of Tokyo, 3-8-1 Komaba; Meguro Tokyo 153-8902 Japan
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17
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Honda S, Toyota T. Photo-triggered solvent-free metamorphosis of polymeric materials. Nat Commun 2017; 8:502. [PMID: 28894097 PMCID: PMC5593861 DOI: 10.1038/s41467-017-00679-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 07/16/2017] [Indexed: 01/06/2023] Open
Abstract
Liquefaction and solidification of materials are the most fundamental changes observed during thermal phase transitions, yet the design of organic and polymeric soft materials showing isothermal reversible liquid-nonliquid conversion remains challenging. Here, we demonstrate that solvent-free repeatable molecular architectural transformation between liquid-star and nonliquid-network polymers that relies on cleavage and reformation of a covalent bond in hexaarylbiimidazole. Liquid four-armed star-shaped poly(n-butyl acrylate) and poly(dimethyl siloxane) with 2,4,5-triphenylimidazole end groups were first synthesized. Subsequent oxidation of the 2,4,5-triphenylimidazoles into 2,4,5-triphenylimidazoryl radicals and their coupling with these liquid star polymers to form hexaarylbiimidazoles afforded the corresponding nonliquid network polymers. The resulting nonliquid network polymers liquefied upon UV irradiation and produced liquid star-shaped polymers with 2,4,5-triphenylimidazoryl radical end groups that reverted to nonliquid network polymers again by recoupling of the generated 2,4,5-triphenylimidazoryl radicals immediately after terminating UV irradiation.The design of organic and polymeric soft materials showing isothermal reversible liquid-nonliquid conversion is challenging. Here, the authors show solvent-free repeatable molecular architectural transformation between liquid-star and non-liquid-network polymers by the cleavage and reformation of covalent bonds in the polymer chain.
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Affiliation(s)
- Satoshi Honda
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan.
| | - Taro Toyota
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan.
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18
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Shanmugam S, Xu J, Boyer C. Photocontrolled Living Polymerization Systems with Reversible Deactivations through Electron and Energy Transfer. Macromol Rapid Commun 2017; 38. [DOI: 10.1002/marc.201700143] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/10/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Sivaprakash Shanmugam
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine School of Chemical Engineering The University of New South Wales Sydney NSW 2052 Australia
| | - Jiangtao Xu
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine School of Chemical Engineering The University of New South Wales Sydney NSW 2052 Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine School of Chemical Engineering The University of New South Wales Sydney NSW 2052 Australia
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19
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Zhang J, Shen H, Song W, Wang G. Synthesis and Characterization of Novel Copolymers with Different Topological Structures and TEMPO Radical Distributions. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00159] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jiaxing Zhang
- State
Key Laboratory of Molecular Engineering of Polymers, Collaborative
Innovation Center of Polymers and Polymer Composite Materials, Department
of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Hongying Shen
- State
Key Laboratory of Molecular Engineering of Polymers, Collaborative
Innovation Center of Polymers and Polymer Composite Materials, Department
of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Wenguang Song
- State
Key Laboratory of Molecular Engineering of Polymers, Collaborative
Innovation Center of Polymers and Polymer Composite Materials, Department
of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Guowei Wang
- State
Key Laboratory of Molecular Engineering of Polymers, Collaborative
Innovation Center of Polymers and Polymer Composite Materials, Department
of Macromolecular Science, Fudan University, Shanghai 200433, China
- Joint
Laboratory for Adsorption and Separation Materials of Zhejiang University-Zhejiang
Tobacco Industry Co. Ltd., Zhejiang University, Hangzhou 310027, China
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20
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Wang J, Wu Z, Shen H, Wang G. Synthesis, characterization and the paramagnetic properties of bottle-brush copolymers with shielding TEMPO radicals. Polym Chem 2017. [DOI: 10.1039/c7py01683b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Bottle-brush copolymers PHEMA-g-[(PAA-g-TEMPO)-b-PMA] and PHEMA-g-(PAA-g-TEMPO) with shielding TEMPO radicals were synthesized. The paramagnetic properties in bulk and solution were studied, and the results confirmed that the presence of the outer segment played an important role on the EPR spectra of copolymers.
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Affiliation(s)
- Jian Wang
- School of Science
- North University of China
- Taiyuan 030006
- China
- State Key Laboratory of Molecular Engineering of Polymers
| | - Zhigang Wu
- School of Science
- North University of China
- Taiyuan 030006
- China
| | - Hongying Shen
- State Key Laboratory of Molecular Engineering of Polymers
- Collaborative Innovation Centre of Polymers and Polymer Composite Materials
- Department of Macromolecular Science
- Fudan University
- Shanghai 200433
| | - Guowei Wang
- State Key Laboratory of Molecular Engineering of Polymers
- Collaborative Innovation Centre of Polymers and Polymer Composite Materials
- Department of Macromolecular Science
- Fudan University
- Shanghai 200433
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21
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Pan X, Tasdelen MA, Laun J, Junkers T, Yagci Y, Matyjaszewski K. Photomediated controlled radical polymerization. Prog Polym Sci 2016. [DOI: 10.1016/j.progpolymsci.2016.06.005] [Citation(s) in RCA: 352] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Griebel JJ, Glass RS, Char K, Pyun J. Polymerizations with elemental sulfur: A novel route to high sulfur content polymers for sustainability, energy and defense. Prog Polym Sci 2016. [DOI: 10.1016/j.progpolymsci.2016.04.003] [Citation(s) in RCA: 241] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Ren JM, McKenzie TG, Fu Q, Wong EHH, Xu J, An Z, Shanmugam S, Davis TP, Boyer C, Qiao GG. Star Polymers. Chem Rev 2016; 116:6743-836. [PMID: 27299693 DOI: 10.1021/acs.chemrev.6b00008] [Citation(s) in RCA: 515] [Impact Index Per Article: 64.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Recent advances in controlled/living polymerization techniques and highly efficient coupling chemistries have enabled the facile synthesis of complex polymer architectures with controlled dimensions and functionality. As an example, star polymers consist of many linear polymers fused at a central point with a large number of chain end functionalities. Owing to this exclusive structure, star polymers exhibit some remarkable characteristics and properties unattainable by simple linear polymers. Hence, they constitute a unique class of technologically important nanomaterials that have been utilized or are currently under audition for many applications in life sciences and nanotechnologies. This article first provides a comprehensive summary of synthetic strategies towards star polymers, then reviews the latest developments in the synthesis and characterization methods of star macromolecules, and lastly outlines emerging applications and current commercial use of star-shaped polymers. The aim of this work is to promote star polymer research, generate new avenues of scientific investigation, and provide contemporary perspectives on chemical innovation that may expedite the commercialization of new star nanomaterials. We envision in the not-too-distant future star polymers will play an increasingly important role in materials science and nanotechnology in both academic and industrial settings.
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Affiliation(s)
- Jing M Ren
- Polymer Science Group, Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Thomas G McKenzie
- Polymer Science Group, Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Qiang Fu
- Polymer Science Group, Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Edgar H H Wong
- Polymer Science Group, Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Jiangtao Xu
- Centre for Advanced Macromolecular Design (CAMD) and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia , Sydney, New South Wales 2052, Australia
| | - Zesheng An
- Institute of Nanochemistry and Nanobiology, College of Environmental and Chemical Engineering, Shanghai University , Shanghai 2000444, People's Republic of China
| | - Sivaprakash Shanmugam
- Centre for Advanced Macromolecular Design (CAMD) and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia , Sydney, New South Wales 2052, Australia
| | - Thomas P Davis
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology, Monash Institute of Pharmaceutical Sciences, Monash University , Parkville, Victoria 3052, Australia.,Department of Chemistry, University of Warwick , Coventry CV4 7AL, United Kingdom
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design (CAMD) and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia , Sydney, New South Wales 2052, Australia
| | - Greg G Qiao
- Polymer Science Group, Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
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24
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Aiba M, Higashihara T, Ashizawa M, Otsuka H, Matsumoto H. Triggered Structural Control of Dynamic Covalent Aromatic Polyamides: Effects of Thermal Reorganization Behavior in Solution and Solid States. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b01778] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Motohiro Aiba
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama,
Meguro-ku, Tokyo 152-8552, Japan
| | - Tomoya Higashihara
- Department
of Polymer Science and Engineering, Faculty of Engineering, Yamagata University,
4-3-16 Jonan, Yonezawa City, Yamagata 992-8510, Japan
| | - Minoru Ashizawa
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama,
Meguro-ku, Tokyo 152-8552, Japan
| | - Hideyuki Otsuka
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama,
Meguro-ku, Tokyo 152-8552, Japan
| | - Hidetoshi Matsumoto
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama,
Meguro-ku, Tokyo 152-8552, Japan
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25
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Demongeot A, Mougnier SJ, Okada S, Soulié-Ziakovic C, Tournilhac F. Coordination and catalysis of Zn2+ in epoxy-based vitrimers. Polym Chem 2016. [DOI: 10.1039/c6py00752j] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Network-coordinated Zn2+ ions activate carbonyls, promote alkoxides and hold reactants close to each other for transesterification.
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Affiliation(s)
- A. Demongeot
- Laboratoire Matière Molle et Chimie
- UMR7167 CNRS-ESPCI Paris
- PSL Research University
- 75005 Paris
- France
| | - S. J. Mougnier
- Laboratoire Matière Molle et Chimie
- UMR7167 CNRS-ESPCI Paris
- PSL Research University
- 75005 Paris
- France
| | - S. Okada
- Department of Chemistry
- University of Tokyo
- Tokyo 113-0033
- Japan
| | - C. Soulié-Ziakovic
- Laboratoire Matière Molle et Chimie
- UMR7167 CNRS-ESPCI Paris
- PSL Research University
- 75005 Paris
- France
| | - F. Tournilhac
- Laboratoire Matière Molle et Chimie
- UMR7167 CNRS-ESPCI Paris
- PSL Research University
- 75005 Paris
- France
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26
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Pahnke K, Haworth NL, Brandt J, Paulmann U, Richter C, Schmidt FG, Lederer A, Coote ML, Barner-Kowollik C. A mild, efficient and catalyst-free thermoreversible ligation system based on dithiooxalates. Polym Chem 2016. [DOI: 10.1039/c6py00470a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
We introduce dithiooxalates as efficient and catalyst-free thermoreversible hetero Diels–Alder linkers for applications in self-healing materials, organic sheets, mild ligation or complex architecture design.
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Affiliation(s)
- Kai Pahnke
- Preparative Macromolecular Chemistry
- Institut für Technische Chemie und Polymerchemie
- Karlsruhe Institute of Technology (KIT)
- 76131 Karlsruhe
- Germany
| | - Naomi L. Haworth
- ARC Centre of Excellence for Electromaterials Science
- Research School of Chemistry
- Australian National University
- Canberra
- Australia
| | - Josef Brandt
- Leibniz-Institut für Polymerforschung Dresden
- 01069 Dresden
- Germany
- Technische Universität Dresden
- 01062 Dresden
| | | | | | | | - Albena Lederer
- Leibniz-Institut für Polymerforschung Dresden
- 01069 Dresden
- Germany
- Technische Universität Dresden
- 01062 Dresden
| | - Michelle L. Coote
- ARC Centre of Excellence for Electromaterials Science
- Research School of Chemistry
- Australian National University
- Canberra
- Australia
| | - Christopher Barner-Kowollik
- Preparative Macromolecular Chemistry
- Institut für Technische Chemie und Polymerchemie
- Karlsruhe Institute of Technology (KIT)
- 76131 Karlsruhe
- Germany
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27
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Ji S, Cao W, Yu Y, Xu H. Visible-Light-Induced Self-Healing Diselenide-Containing Polyurethane Elastomer. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:7740-7745. [PMID: 26484966 DOI: 10.1002/adma.201503661] [Citation(s) in RCA: 181] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 08/30/2015] [Indexed: 06/05/2023]
Abstract
Visible light is an easily achievable and mild trigger for self-healing materials. By incorporating dynamic diselenide bonds into polyurethane, visible-light-induced self-healing materials can be fabricated. Besides mild visible light, the healing process can also be realized using directional laser irradiation, which makes the system a remotely controllable self-healing system.
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Affiliation(s)
- Shaobo Ji
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Wei Cao
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Ying Yu
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Huaping Xu
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
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28
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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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29
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30
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Imato K, Takahara A, Otsuka H. Self-Healing of a Cross-Linked Polymer with Dynamic Covalent Linkages at Mild Temperature and Evaluation at Macroscopic and Molecular Levels. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b00809] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Keiichi Imato
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama,
Meguro-ku, Tokyo 152-8550, Japan
| | | | - Hideyuki Otsuka
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama,
Meguro-ku, Tokyo 152-8550, Japan
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31
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32
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33
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Cash JJ, Kubo T, Bapat AP, Sumerlin BS. Room-Temperature Self-Healing Polymers Based on Dynamic-Covalent Boronic Esters. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b00210] [Citation(s) in RCA: 428] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jessica J. Cash
- George & Josephine Butler Polymer Research Laboratory, Center for Macromolecular Science & Engineering, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Tomohiro Kubo
- George & Josephine Butler Polymer Research Laboratory, Center for Macromolecular Science & Engineering, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Abhijeet P. Bapat
- George & Josephine Butler Polymer Research Laboratory, Center for Macromolecular Science & Engineering, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Brent S. Sumerlin
- George & Josephine Butler Polymer Research Laboratory, Center for Macromolecular Science & Engineering, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
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34
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Kuhl N, Bode S, Hager MD, Schubert US. Self-Healing Polymers Based on Reversible Covalent Bonds. SELF-HEALING MATERIALS 2015. [DOI: 10.1007/12_2015_336] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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35
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SATO T, AKAMINE K, TAKAHARA A, OTSUKA H. Macromolecular Design of Alkoxyamine-Containing Radically Reactive Polymers Based on Dynamic Covalent Chemistry. KOBUNSHI RONBUNSHU 2015. [DOI: 10.1295/koron.2015-0006] [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)
- Tomoya SATO
- Graduate School of Engineering, Kyushu University
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
| | | | - Atsushi TAKAHARA
- Institute for Materials Chemistry and Engineering, Kyushu University
- Graduate School of Engineering, Kyushu University
| | - Hideyuki OTSUKA
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
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36
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Sato T, Amamoto Y, Ohishi T, Higaki Y, Takahara A, Otsuka H. Radical crossover reactions of a dynamic covalent polymer brush for reversible hydrophilicity control. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.07.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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37
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Effect of molecular weight of PEG soft segments on photo-stimulated self-healing performance of coumarin functionalized polyurethanes. CHINESE JOURNAL OF POLYMER SCIENCE 2014. [DOI: 10.1007/s10118-014-1522-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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38
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