1
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Cuminet F, Caillol S, Dantras É, Leclerc É, Ladmiral V. Neighboring Group Participation and Internal Catalysis Effects on Exchangeable Covalent Bonds: Application to the Thriving Field of Vitrimer Chemistry. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02706] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | | | - Éric Dantras
- CIRIMAT Physique des Polymères, Université de Toulouse, CNRS, Université Toulouse 3 - Paul Sabatier, 118 Route de Narbonne, 31062 Toulouse, France
| | - Éric Leclerc
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France
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2
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Stretchable, robust and reprocessable poly(siloxane-urethanes) elastomers based on exchangeable aromatic disulfides. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123588] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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3
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Preparation of mechanically robust and autonomous self-healable elastomer based on multiple dynamic interactions. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110257] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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4
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5
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Tran TN, Di Mauro C, Malburet S, Graillot A, Mija A. Dual Cross-linking of Epoxidized Linseed Oil with Combined Aliphatic/Aromatic Diacids Containing Dynamic S-S Bonds Generating Recyclable Thermosets. ACS APPLIED BIO MATERIALS 2020; 3:7550-7561. [PMID: 35019496 DOI: 10.1021/acsabm.0c00788] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The end-of-life of thermoset materials is a real issue that confronts our society, and the strategy of introducing dynamic reversible bonds can be a sustainable solution to overcome this problem. This study shows an efficient way to produce biobased and recyclable thermosets, for a circular use. To reduce the production costs linked to energy and duration, an improved curing process is proposed by combining aromatic and aliphatic diacid hardeners containing dynamic S-S bonds. The work demonstrates the increased reactivity of epoxidized vegetable oil reacted with the two diacids. The structural evolutions during the exchange reactions that allow the recyclability were followed by Fourier transformed-infrared and nuclear magnetic resonance spectroscopies, high-performance liquid chromatography, and mass spectroscopy. The curing process was studied by differential scanning calorimetry and kinetic study.
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Affiliation(s)
- Thi-Nguyet Tran
- Université Côte d'Azur, Institut de Chimie de Nice, UMR 7272-CNRS, 28 Avenue Valrose, 06108 Nice Cedex 2, France
| | - Chiara Di Mauro
- Université Côte d'Azur, Institut de Chimie de Nice, UMR 7272-CNRS, 28 Avenue Valrose, 06108 Nice Cedex 2, France
| | - Samuel Malburet
- Specific Polymers, 150 Avenue des Cocardières, Zac Via Domitia, 34160 Castries, France
| | - Alain Graillot
- Specific Polymers, 150 Avenue des Cocardières, Zac Via Domitia, 34160 Castries, France
| | - Alice Mija
- Université Côte d'Azur, Institut de Chimie de Nice, UMR 7272-CNRS, 28 Avenue Valrose, 06108 Nice Cedex 2, France
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6
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Tran TN, Mauro CD, Graillot A, Mija A. Monitoring the structure–reactivity relationship in epoxidized perilla and safflower oil thermosetting resins. Polym Chem 2020. [DOI: 10.1039/d0py00688b] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The reactivity of epoxidized perilla oil and epoxidized safflower oil with two aromatic dicarboxylic acids was studied. The presence of S–S bonding at the β position of the carboxylic group increases the reactivity of the acidic proton toward epoxy ring opening.
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Affiliation(s)
- Thi-Nguyet Tran
- Université Côte d'Azur
- Institut de Chimie de Nice
- 06108 Nice Cedex 2
- France
| | - Chiara Di Mauro
- Université Côte d'Azur
- Institut de Chimie de Nice
- 06108 Nice Cedex 2
- France
| | | | - Alice Mija
- Université Côte d'Azur
- Institut de Chimie de Nice
- 06108 Nice Cedex 2
- France
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7
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Li T, Zheng T, Han J, Liu Z, Guo ZX, Zhuang Z, Xu J, Guo ABH. Effects of Diisocyanate Structure and Disulfide Chain Extender on Hard Segmental Packing and Self-Healing Property of Polyurea Elastomers. Polymers (Basel) 2019; 11:polym11050838. [PMID: 31072032 PMCID: PMC6572514 DOI: 10.3390/polym11050838] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/01/2019] [Accepted: 05/04/2019] [Indexed: 11/30/2022] Open
Abstract
Four linear polyurea elastomers synthesized from two different diisocyanates, two different chain extenders and a common aliphatic amine-terminated polyether were used as models to investigate the effects of both diisocyanate structure and aromatic disulfide chain extender on hard segmental packing and self-healing ability. Both direct investigation on hard segments and indirect investigation on chain mobility and soft segmental dynamics were carried out to compare the levels of hard segmental packing, leading to agreed conclusions that correlated well with the self-healing abilities of the polyureas. Both diisocyanate structure and disulfide bonds had significant effects on hard segmental packing and self-healing property. Diisocyanate structure had more pronounced effect than disulfide bonds. Bulky alicyclic isophorone diisocyanate (IPDI) resulted in looser hard segmental packing than linear aliphatic hexamethylene diisocyanate (HDI), whereas a disulfide chain extender also promoted self-healing ability through loosening of hard segmental packing compared to its C-C counterpart. The polyurea synthesized from IPDI and the disulfide chain extender exhibited the best self-healing ability among the four polyureas because it had the highest chain mobility ascribed to the loosest hard segmental packing. Therefore, a combination of bulky alicyclic diisocyanate and disulfide chain extender is recommended for the design of self-healing polyurea elastomers.
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Affiliation(s)
- Ting Li
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Tianze Zheng
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Jiarui Han
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Zhanli Liu
- Applied Mechanics Laboratory, School of Aerospace Engineering, Tsinghua University, Beijing 100084, China.
| | - Zhao-Xia Guo
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Zhuo Zhuang
- Applied Mechanics Laboratory, School of Aerospace Engineering, Tsinghua University, Beijing 100084, China.
| | - Jun Xu
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - And Bao-Hua Guo
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
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8
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Chemtob A, Feillée N, Vaulot C, Ley C, Le Nouen D. Self-Photopolymerization of Poly(disulfide) Oligomers. ACS OMEGA 2019; 4:5722-5730. [PMID: 31459725 PMCID: PMC6647947 DOI: 10.1021/acsomega.9b00021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 03/13/2019] [Indexed: 06/10/2023]
Abstract
Base catalyst and oxidant are usually necessary to promote the polymerization of poly(disulfide) oligomers through oxidative coupling of the terminal SH groups into S-S bonds. In this study, we prove that self-polymerization of bifunctional (disulfide) oligomer films can take place in a matter of minutes under UVC irradiation (254 nm, 10.5 mW cm-2). The resulting insoluble polymer is characterized using solid-state NMR, 1H T2 NMR relaxation measurements, thermal analysis, and Fourier-transform infrared spectroscopy and proves to have similar composition as a model poly(disulfide) prepared under oxidative conditions, but distinct physical properties. These differences are explained by a change in polymer architecture due to a higher ratio of cyclization relative to linear polymerization. Homolytic photocleavage of internal S-S bonds creates thiyl groups close to each other, driving an increased kinetic feasibility for the cyclization reaction by radical coupling. The subsequent formation of mechanically interlocked macrocycles (polycatenane network) is proposed to account for film properties analogous to those of a cross-linked polymer.
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Affiliation(s)
- Abraham Chemtob
- Université
de Haute-Alsace, CNRS, IS2M UMR7361, F-68100 Mulhouse, France
- Université
de Strasbourg, Strasbourg, France
| | - Noémi Feillée
- Université
de Strasbourg, Strasbourg, France
- Université
de Haute-Alsace, LPIM EA4567, F-68100 Mulhouse, France
| | - Cyril Vaulot
- Université
de Haute-Alsace, CNRS, IS2M UMR7361, F-68100 Mulhouse, France
- Université
de Strasbourg, Strasbourg, France
| | - Christian Ley
- Université
de Strasbourg, Strasbourg, France
- Université
de Haute-Alsace, LPIM EA4567, F-68100 Mulhouse, France
| | - Didier Le Nouen
- Université
de Haute-Alsace, Université de Strasbourg, CNRS, LIMA UMR7042, F-68100 Mulhouse, France
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9
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Nevejans S, Ballard N, Rivilla I, Fernández M, Santamaria A, Reck B, Asua JM. Synthesis of mechanically strong waterborne poly(urethane-urea)s capable of self-healing at elevated temperatures. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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10
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Nevejans S, Ballard N, Fernández M, Reck B, Asua JM. Flexible aromatic disulfide monomers for high-performance self-healable linear and cross-linked poly(urethane-urea) coatings. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.02.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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11
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Enhancement of the stimuli-responsiveness and photo-stability of dynamic diselenide bonds and diselenide-containing polymers by neighboring aromatic groups. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.09.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Li T, Xie Z, Xu J, Weng Y, Guo BH. Design of a self-healing cross-linked polyurea with dynamic cross-links based on disulfide bonds and hydrogen bonding. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.08.005] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Ruipérez F, Galdeano M, Gimenez E, Matxain JM. Sulfenamides as Building Blocks for Efficient Disulfide-Based Self-Healing Materials. A Quantum Chemical Study. ChemistryOpen 2018; 7:248-255. [PMID: 29531888 PMCID: PMC5838392 DOI: 10.1002/open.201800003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Indexed: 11/29/2022] Open
Abstract
The theoretical self-healing capacity of new sulfenamide-based disulfides is estimated by using theoretical methods of quantum chemistry. Starting from previously studied aromatic disulfides, the influence of inserting a NH group between the disulfide and the phenyl ring (forming the sulfenamide), as well as the role of the phenyl ring in the self-healing process is analyzed. Three parameters are used in the evaluation of the self-healing capacity: i) the probability to generate sulfenyl radicals, which is the first step of the process; ii) the effect of the hydrogen bonding, which affects the mobility of the chains; and iii) the height of the exchange reaction barrier. The insertion of the NH group notably decreases the bond dissociation energy and, therefore, increases the probability to produce sulfenyl radicals and helps the approach of these radicals to neighboring disulfides, favoring the self-healing process. The role of the phenyl rings is clearly observed in the reaction barriers, where the π-π stacking interactions notably stabilize the transition states, resulting in larger rate constants. Nevertheless, this stabilization is somewhat reduced in the aromatic sulfenamides, owing to a less effective π-π interaction. Therefore, the sulfenamide-based aromatic disulfides may be considered as promising candidates for the design of efficient self-healing materials.
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Affiliation(s)
- Fernando Ruipérez
- POLYMATUniversity of the Basque Country UPV/EHUJoxe Mari Korta Center, Avda. Tolosa 7220018Donostia-San SebastiánSpain
| | - Maialen Galdeano
- Kimika FakultateaEuskal Herriko Unibertsitatea UPV/EHU, and Donostia International Physics Center (DIPC), P.K. 107220080Donostia, EuskadiSpain
| | - Ekiñe Gimenez
- Kimika FakultateaEuskal Herriko Unibertsitatea UPV/EHU, and Donostia International Physics Center (DIPC), P.K. 107220080Donostia, EuskadiSpain
| | - Jon M. Matxain
- Kimika FakultateaEuskal Herriko Unibertsitatea UPV/EHU, and Donostia International Physics Center (DIPC), P.K. 107220080Donostia, EuskadiSpain
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14
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Yarmohammadi M, Shahidzadeh M. Evaluation of disulfide chain extender effect on the mechanical properties of unsaturated polyurethane-urea networks. J Appl Polym Sci 2018. [DOI: 10.1002/app.46309] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Masoud Yarmohammadi
- Department of Chemistry, Faculty of Chemistry and Chemical Engineering; Malek-Ashtar University of Technology (MUT), P.O. Box 16765-3454; Lavizan Tehran Iran
| | - Mansour Shahidzadeh
- Department of Chemistry, Faculty of Chemistry and Chemical Engineering; Malek-Ashtar University of Technology (MUT), P.O. Box 16765-3454; Lavizan Tehran Iran
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15
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Nevejans S, Ballard N, Miranda JI, Reck B, Asua JM. The underlying mechanisms for self-healing of poly(disulfide)s. Phys Chem Chem Phys 2018; 18:27577-27583. [PMID: 27722578 DOI: 10.1039/c6cp04028d] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Recently, self-healing polymers based on disulfide compounds have gained attention due to the versatile chemistry of disulfide bonds and easy implementation into polymeric materials. However, the underlying mechanisms of disulfide exchange which induce the self-healing effect in poly(disulfide)s remain unclear. In this work, we elucidate the process of disulfide exchange using a variety of spectroscopic techniques. Comparing a model exchange reaction of 4-aminophenyl disulfide and diphenyl disulfide with modified reactions in the presence of additional radical traps or radical sources confirmed that the exchange reaction between disulfide compounds occurred via a radical-mediated mechanism. Furthermore, when investigating the effect of catalysts on the model exchange reaction, it could be concluded that catalysts enhance the disulfide exchange reaction through the formation of S-based anions in addition to the radical-mediated mechanism.
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Affiliation(s)
- Sil Nevejans
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastián, Spain.
| | - Nicholas Ballard
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastián, Spain.
| | - José I Miranda
- SGIker, NMR Facility, University of the Basque Country UPV/EHU, Spain
| | - Bernd Reck
- Dispersions and Colloidal Materials, BASF SE, 67056 Ludwigshafen, Germany
| | - José M Asua
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastián, Spain.
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16
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Akiyama T, Ushio A, Itoh Y, Kawaguchi Y, Matsumoto K, Jikei M. Synthesis and healing properties of poly(arylether sulfone)-poly(alkylthioether) multiblock copolymers containing disulfide bonds. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28736] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Takayoshi Akiyama
- Department of Materials Science; Graduate School of Engineering Science, Akita University; 1-1, Tegatagakuen-machi, Akita-shi Akita 010-8502 Japan
| | - Akira Ushio
- Department of Materials Science; Graduate School of Engineering Science, Akita University; 1-1, Tegatagakuen-machi, Akita-shi Akita 010-8502 Japan
| | - Yoshitaka Itoh
- Department of Materials Science; Graduate School of Engineering Science, Akita University; 1-1, Tegatagakuen-machi, Akita-shi Akita 010-8502 Japan
| | - Yuya Kawaguchi
- Department of Materials Science; Graduate School of Engineering Science, Akita University; 1-1, Tegatagakuen-machi, Akita-shi Akita 010-8502 Japan
| | - Kazuya Matsumoto
- Department of Materials Science; Graduate School of Engineering Science, Akita University; 1-1, Tegatagakuen-machi, Akita-shi Akita 010-8502 Japan
| | - Mitsutoshi Jikei
- Department of Materials Science; Graduate School of Engineering Science, Akita University; 1-1, Tegatagakuen-machi, Akita-shi Akita 010-8502 Japan
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17
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Azcune I, Odriozola I. Aromatic disulfide crosslinks in polymer systems: Self-healing, reprocessability, recyclability and more. Eur Polym J 2016. [DOI: 10.1016/j.eurpolymj.2016.09.023] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Yoneyama R, Sato T, Imato K, Kosuge T, Ohishi T, Higaki Y, Takahara A, Otsuka H. Autonomously Substitutable Organosilane Thin Films Based on Dynamic Covalent Diarylbibenzofuranone Units. CHEM LETT 2016. [DOI: 10.1246/cl.150917] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | - Tomoya Sato
- Graduate School of Engineering, Kyushu University
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
| | - Keiichi Imato
- Graduate School of Engineering, Kyushu University
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
| | - Takahiro Kosuge
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
| | - Tomoyuki Ohishi
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
- Institute for Materials Chemistry and Engineering, Kyushu University
| | - Yuji Higaki
- Graduate School of Engineering, Kyushu University
- Institute for Materials Chemistry and Engineering, Kyushu University
| | - Atsushi Takahara
- Graduate School of Engineering, Kyushu University
- Institute for Materials Chemistry and Engineering, Kyushu University
| | - Hideyuki Otsuka
- Graduate School of Engineering, Kyushu University
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
- Institute for Materials Chemistry and Engineering, Kyushu University
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19
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Nakai Y, Takahashi A, Goseki R, Otsuka H. Facile modification and fixation of diaryl disulphide-containing dynamic covalent polyesters by iodine-catalysed insertion-like addition reactions of styrene derivatives to disulphide units. Polym Chem 2016. [DOI: 10.1039/c6py00963h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Insertion-like addition of disulphide-containing polyesters to styrene derivatives is reported, enabling facile control of various properties including dynamic covalent characteristics.
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Affiliation(s)
- Yukako Nakai
- Department of Organic and Polymeric Materials
- Tokyo Institute of Technology
- Tokyo
- Japan
| | - Akira Takahashi
- Department of Organic and Polymeric Materials
- Tokyo Institute of Technology
- Tokyo
- Japan
| | - Raita Goseki
- Department of Organic and Polymeric Materials
- Tokyo Institute of Technology
- Tokyo
- Japan
- Department of Chemical Science and Engineering
| | - Hideyuki Otsuka
- Department of Organic and Polymeric Materials
- Tokyo Institute of Technology
- Tokyo
- Japan
- Department of Chemical Science and Engineering
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20
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Takahashi A, Ohishi T, Goseki R, Otsuka H. Degradable epoxy resins prepared from diepoxide monomer with dynamic covalent disulfide linkage. POLYMER 2016. [DOI: 10.1016/j.polymer.2015.11.057] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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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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22
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Ji S, Cao W, Yu Y, Xu H. Dynamic Diselenide Bonds: Exchange Reaction Induced by Visible Light without Catalysis. Angew Chem Int Ed Engl 2014; 53:6781-5. [DOI: 10.1002/anie.201403442] [Citation(s) in RCA: 201] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 04/18/2014] [Indexed: 11/07/2022]
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23
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Ji S, Cao W, Yu Y, Xu H. Dynamic Diselenide Bonds: Exchange Reaction Induced by Visible Light without Catalysis. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201403442] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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