1
|
Jiang Y, Ng ELL, Han DX, Yan Y, Chan SY, Wang J, Chan BQY. Self-Healing Polymeric Materials and Composites for Additive Manufacturing. Polymers (Basel) 2023; 15:4206. [PMID: 37959886 PMCID: PMC10649664 DOI: 10.3390/polym15214206] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/17/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Self-healing polymers have received widespread attention due to their ability to repair damage autonomously and increase material stability, reliability, and economy. However, the processability of self-healing materials has yet to be studied, limiting the application of rich self-healing mechanisms. Additive manufacturing effectively improves the shortcomings of conventional processing while increasing production speed, accuracy, and complexity, offering great promise for self-healing polymer applications. This article summarizes the current self-healing mechanisms of self-healing polymers and their corresponding additive manufacturing methods, and provides an outlook on future developments in the field.
Collapse
Affiliation(s)
- Yixue Jiang
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
- Department of Materials Science and Engineering, College of Design and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
| | - Evelyn Ling Ling Ng
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
| | - Danielle Xinyun Han
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
| | - Yinjia Yan
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi’an Institute of Flexible Electronics (IFE), Xi’an Institute of Biomedical Materials and Engineering (IBME), and Ningbo Institute, Northwestern Polytechnical University, 127 West Youyi Road, Xi’an 710072, China
| | - Siew Yin Chan
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
| | - John Wang
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
- Department of Materials Science and Engineering, College of Design and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
| | - Benjamin Qi Yu Chan
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Singapore
| |
Collapse
|
2
|
Suzuki M, Hayashi T, Hikino T, Kishi M, Matsuno T, Wada H, Kuroda K, Shimojima A. Integrated Extrinsic and Intrinsic Self-Healing of Polysiloxane Materials by Cleavable Molecular Cages Encapsulating Fluoride Ions. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303655. [PMID: 37505433 PMCID: PMC10520642 DOI: 10.1002/advs.202303655] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/07/2023] [Indexed: 07/29/2023]
Abstract
Self-healing ability is crucial to increasing the lifetime and reliability of materials. In this study, spatiotemporal control of the healing of a polysiloxane material is achieved using a cleavable cage compound encapsulating a fluoride ion (F- ), which triggeres the dynamic rearrangement of the siloxane (Si-O-Si) networks. A self-healing siloxane-based elastomer is prepared by cross-linking polydimethylsiloxane (PDMS) with a F- -encapsulating cage-type germoxane (Ge-O-Ge) compound. This material can self-heal repeatedly under humid conditions. The F- released by hydrolytic cleavage of the cage framework contributes to rejoining of the cut pieces by promoting the local rearrangement of the siloxane networks. The use of a molecular cage encapsulating a catalyst for dynamic bond rearrangement provides a new concept for designing self-healing polysiloxane materials based on integrated extrinsic and intrinsic mechanisms.
Collapse
Affiliation(s)
- Mai Suzuki
- Department of Applied ChemistryFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
| | - Taiki Hayashi
- Department of Applied ChemistryFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
| | - Takuya Hikino
- Department of Advanced Science and EngineeringFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
| | - Masafumi Kishi
- Department of Applied ChemistryFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
| | - Takamichi Matsuno
- Department of Applied ChemistryFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
- Kagami Memorial Research Institute for Materials Science and TechnologyWaseda University2‐8‐26 Nishiwaseda, Shinjuku‐kuTokyo169‐0051Japan
| | - Hiroaki Wada
- Department of Applied ChemistryFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
- Kagami Memorial Research Institute for Materials Science and TechnologyWaseda University2‐8‐26 Nishiwaseda, Shinjuku‐kuTokyo169‐0051Japan
| | - Kazuyuki Kuroda
- Department of Applied ChemistryFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
- Kagami Memorial Research Institute for Materials Science and TechnologyWaseda University2‐8‐26 Nishiwaseda, Shinjuku‐kuTokyo169‐0051Japan
| | - Atsushi Shimojima
- Department of Applied ChemistryFaculty of Science and EngineeringWaseda University3‐4‐1 Okubo, Shinjuku‐kuTokyo169‐8555Japan
- Kagami Memorial Research Institute for Materials Science and TechnologyWaseda University2‐8‐26 Nishiwaseda, Shinjuku‐kuTokyo169‐0051Japan
| |
Collapse
|
3
|
Li C, Shi Y, Su H, Yang Y, Li W, Zhang T, Chen W, Lin R, Li Y, Liao L. Mechanically Robust and Recyclable Siloxane Elastomers Enabled by Adjustable Dynamic Polymer Networks for Electronic Skin. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
|
4
|
Optimization and Characterization of the F-LSR Manufacturing Process Using Quaternary Ammonium Silanolate as an Initiator for Synthesizing Fluorosilicone. Polymers (Basel) 2022; 14:polym14245502. [PMID: 36559868 PMCID: PMC9784997 DOI: 10.3390/polym14245502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/04/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Due to the growing demand for versatile hybrid materials that can withstand harsh conditions (below -40 °C), fluorosilicone copolymers are becoming promising materials that can overcome the limited operating temperature of conventional rubber. In order to synthesize a fluorosilicone copolymer, a potent initiator capable of simultaneously initiating various siloxane monomers in anionic ring-opening polymerization (AROP) is required. In this study, tetramethyl ammonium silanolate (TMAS), a quaternary ammonium (QA) anion, was employed as an initiator for AROP, thereby fluoro-methyl-vinyl-silicone (FVMQ) and fluoro-hydrido-methyl-silicone (FHMQ) were successfully synthesized under optimized conditions. FT-IR, NMR, and GPC analyses confirmed that the chain length and functional group content of FVMQ and FHMQ are controlled by changing the ratio of the components. Moreover, fluorine-involved liquid silicone rubber (F-LSR) was prepared with FVMQ as the main chain and FHMQ as a crosslinker. The tensile strength, elongation, and hardness of each F-LSR sample were measured. Finally, it was confirmed through TGA, DSC, TR-test, and embrittlement testing that elastic retention at low temperatures improved even though the heat resistance slightly decreased as the trifluoropropyl group increased in F-LSR. We anticipate that the optimization of fluorosilicone synthesis initiated by QA and the comprehensive characterization of F-LSRs with different fluorine content and chain lengths will be pivotal to academia and industry.
Collapse
|
5
|
Fabrication of chitosan-based interpenetrating network hydrogel via sequential amino-maleimide click reaction and photopolymerization in water. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04553-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
6
|
Cazacu M, Dascalu M, Stiubianu GT, Bele A, Tugui C, Racles C. From passive to emerging smart silicones. REV CHEM ENG 2022. [DOI: 10.1515/revce-2021-0089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Amassing remarkable properties, silicones are practically indispensable in our everyday life. In most classic applications, they play a passive role in that they cover, seal, insulate, lubricate, water-proof, weather-proof etc. However, silicone science and engineering are highly innovative, seeking to develop new compounds and materials that meet market demands. Thus, the unusual properties of silicones, coupled with chemical group functionalization, has allowed silicones to gradually evolve from passive materials to active ones, meeting the concept of “smart materials”, which are able to respond to external stimuli. In such cases, the intrinsic properties of polysiloxanes are augmented by various chemical modifications aiming to attach reactive or functional groups, and/or by engineering through proper cross-linking pattern or loading with suitable fillers (ceramic, magnetic, highly dielectric or electrically conductive materials, biologically active, etc.), to add new capabilities and develop high value materials. The literature and own data reflecting the state-of-the art in the field of smart silicones, such as thermoplasticity, self-healing ability, surface activity, electromechanical activity and magnetostriction, thermo-, photo-, and piezoresponsivity are reviewed.
Collapse
Affiliation(s)
- Maria Cazacu
- Department of Inorganic Polymers , “Petru Poni” Institute of Macromolecular Chemistry , Aleea Gr. Ghica Voda 41A , 700487 Iasi , Romania
| | - Mihaela Dascalu
- Department of Inorganic Polymers , “Petru Poni” Institute of Macromolecular Chemistry , Aleea Gr. Ghica Voda 41A , 700487 Iasi , Romania
| | - George-Theodor Stiubianu
- Department of Inorganic Polymers , “Petru Poni” Institute of Macromolecular Chemistry , Aleea Gr. Ghica Voda 41A , 700487 Iasi , Romania
| | - Adrian Bele
- Department of Inorganic Polymers , “Petru Poni” Institute of Macromolecular Chemistry , Aleea Gr. Ghica Voda 41A , 700487 Iasi , Romania
| | - Codrin Tugui
- Department of Inorganic Polymers , “Petru Poni” Institute of Macromolecular Chemistry , Aleea Gr. Ghica Voda 41A , 700487 Iasi , Romania
| | - Carmen Racles
- Department of Inorganic Polymers , “Petru Poni” Institute of Macromolecular Chemistry , Aleea Gr. Ghica Voda 41A , 700487 Iasi , Romania
| |
Collapse
|
7
|
Bezlepkina KA, Milenin SA, Vasilenko NG, Muzafarov AM. Ring-Opening Polymerization (ROP) and Catalytic Rearrangement as a Way to Obtain Siloxane Mono- and Telechelics, as Well as Well-Organized Branching Centers: History and Prospects. Polymers (Basel) 2022; 14:polym14122408. [PMID: 35745987 PMCID: PMC9229176 DOI: 10.3390/polym14122408] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/07/2022] [Accepted: 06/10/2022] [Indexed: 01/01/2023] Open
Abstract
PDMS telechelics are important both in industry and in academic research. They are used both in the free state and as part of copolymers and cross-linked materials. At present, the most important, practically used, and well-studied method for the preparation of such PDMS is diorganosiloxane ring-opening polymerization (ROP) in the presence of nucleophilic or electrophilic initiators. In our brief review, we reviewed the current advances in the field of obtaining polydiorganosiloxane telechelics and monofunctional PDMS, as well as well-organized branching centers by the ROP mechanism and catalytic rearrangement, one of the first and most important reactions in the polymer chemistry of silicones, which remains so at the present time.
Collapse
|
8
|
Juan Chen, Zhang X, Chen Y, Lin X, Jiang Y, Zhang H, Liu H. Synthesis and Characterization of Ethylene Glycol-Polydimethylsiloxane-Polybutyl Methacrylate Copolymer. POLYMER SCIENCE SERIES B 2022. [DOI: 10.1134/s1560090422700142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
9
|
Kowalczyk S, Dębowski M, Iuliano A, Brzeski S, Plichta A. Synthesis of (Hyper)Branched Monohydroxyl Alkoxysilane Oligomers toward Silanized Urethane Prepolymers. Molecules 2022; 27:molecules27092790. [PMID: 35566135 PMCID: PMC9105832 DOI: 10.3390/molecules27092790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/20/2022] [Accepted: 04/25/2022] [Indexed: 12/10/2022] Open
Abstract
The aim of this work was the synthesis of (hyper)branched oligomers based on trialkoxysilane in various conditions and further application of them in order to modify the urethane prepolymers. Hydroxyl-terminated trialkoxysilane was used as a monomer for homo-condensation. It was obtained by reaction of 3-aminopropyl trialkoxysilane (APTES) with ethylene carbonate (EC). The reaction was based on the attack of amine at the carbonyl carbon atom followed by ring opening of the carbonate to give a urethane (carbamate) product. The next step was the condensation via substitution of ethoxy groups on silicon atom with the terminal hydroxyalkyl groups present in the primary product with the evolution of ethanol. Accordingly, the impact of temperature and type of catalyst on process efficiency was investigated. A quantitative analysis of reaction progress and products of the conversion of EC together with ethanol evolution was conducted by means of gas chromatography, which allowed us to determine the formation of monomeric product and, indirectly, of oligomeric products. It was found that at room temperature after 24 h, the majority of the monomeric product was isolated, whereas at elevated temperature in the presence of Ti-based catalyst, further condensation of the monomer into branched oligomers was preferred, and, moreover, the application of vacuum intensified that process. The obtained products were structurally characterized by 1H and 29Si NMR, MALDI-ToF and Gel Permeation Chromatography. Finally, two different alkoxysilane products, monomeric and oligomeric, were applied for modification of urethane prepolymer, forming silanized one (SPUR). The influence of the silanizing agent on the mechanical and thermal properties of the moisture-cured products was shown before and after additional conditioning in water.
Collapse
|
10
|
Zhou X, Gong Z, Fan J, Chen Y. Self-healable, recyclable, mechanically tough transparent polysiloxane elastomers based on dynamic microphase separation for flexible sensor. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|
11
|
Cai Y, Li C, Yang Y, Li H, Wang Y, Zhang Q. Self-Healable and Reprocessable Cross-Linked Poly(urea-urethane) Elastomers with High Mechanical Performance Based on Dynamic Oxime–Carbamate Bonds. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yingchao Cai
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Beilin District, 127 West Youyi Road, Xi’an 710072, Shaanxi, China
| | - Chunmei Li
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Beilin District, 127 West Youyi Road, Xi’an 710072, Shaanxi, China
| | - Yumin Yang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Beilin District, 127 West Youyi Road, Xi’an 710072, Shaanxi, China
| | - Haonan Li
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Beilin District, 127 West Youyi Road, Xi’an 710072, Shaanxi, China
| | - Yuhang Wang
- School of Chemistry and Chemical Engineering, Shaanxi Xueqian Normal University, Xi’an 710100, People’s Republic of China
| | - Qiuyu Zhang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Beilin District, 127 West Youyi Road, Xi’an 710072, Shaanxi, China
| |
Collapse
|
12
|
Fan P, Xue C, Zhou X, Yang Z, Ji H. Dynamic Covalent Bonds of Si-OR and Si-OSi Enabled A Stiff Polymer to Heal and Recycle at Room Temperature. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2680. [PMID: 34065375 PMCID: PMC8160654 DOI: 10.3390/ma14102680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/06/2021] [Accepted: 05/17/2021] [Indexed: 11/16/2022]
Abstract
As stiff polymers are difficult to self-heal, the balance between polymers' self-healing ability and mechanical properties is always a big challenge. Herein, we have developed a novel healable stiff polymer based on the Si-OR and Si-OSi dynamic covalent bonds. The self-healing mechanism was tested and proved by the small molecule model experiments and the contrast experiments of polymers. This polymer possesses excellent tensile, bending properties as well as room temperature self-healing abilities. Moreover, due to the sticky and shapeable properties under wetting conditions, the polymer could be used as an adhesive. Besides, even after four cycles of recycling, the polymer maintains its original properties, which meets the requirements of recyclable materials. It was demonstrated that the polymer exhibits potential application in some fields, such as recyclable materials and healable adhesives.
Collapse
Affiliation(s)
- Ping Fan
- Fine Chemical Industry Research Institute, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China;
| | - Can Xue
- Fine Chemical Industry Research Institute, School of Chemical Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China; (X.Z.); (Z.Y.)
| | - Xiantai Zhou
- Fine Chemical Industry Research Institute, School of Chemical Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China; (X.Z.); (Z.Y.)
| | - Zujin Yang
- Fine Chemical Industry Research Institute, School of Chemical Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China; (X.Z.); (Z.Y.)
| | - Hongbing Ji
- Fine Chemical Industry Research Institute, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China;
- Fine Chemical Industry Research Institute, School of Chemical Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China; (X.Z.); (Z.Y.)
- Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming 525000, China
| |
Collapse
|
13
|
Milenin SA, Drozdov FV, Bezlepkina KA, Majorov VY, Muzafarov AM. Acid-Catalyzed Rearrangement of Azidopropyl-Siloxane Monomers for the Synthesis of Azidopropyl-Polydimethylsiloxane and Their Carboxylic Acid Derivatives. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02790] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sergey A. Milenin
- Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, 70 Profsouznaya St., Moscow 117393, Russia
| | - Fedor V. Drozdov
- Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, 70 Profsouznaya St., Moscow 117393, Russia
| | - Kseniya A. Bezlepkina
- Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, 70 Profsouznaya St., Moscow 117393, Russia
| | - Valeriy Yu. Majorov
- Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, 70 Profsouznaya St., Moscow 117393, Russia
| | - Aziz M. Muzafarov
- Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, 70 Profsouznaya St., Moscow 117393, Russia
| |
Collapse
|
14
|
Wang M, Yuan Y, Zhao C, Diao S, Duan B. Preparation of fluorosilicone rubber containing perfluorocyclobutyl aryl ether. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mingying Wang
- College of Chemistry and Chemical Engineering Yantai University Yantai China
| | - Yan Yuan
- College of Chemistry and Chemical Engineering Yantai University Yantai China
| | - Caide Zhao
- College of Chemistry and Chemical Engineering Yantai University Yantai China
| | - Shen Diao
- College of Chemistry and Chemical Engineering Yantai University Yantai China
| | - Baorong Duan
- College of Chemistry and Chemical Engineering Yantai University Yantai China
| |
Collapse
|
15
|
Thermodynamic Analysis of Trisiloxane Surfactant Adsorption and Aggregation Processes. Molecules 2020; 25:molecules25235669. [PMID: 33271846 PMCID: PMC7730224 DOI: 10.3390/molecules25235669] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 11/28/2020] [Accepted: 11/29/2020] [Indexed: 11/16/2022] Open
Abstract
The trisiloxane polyether surfactant (3-[3-(hydroxy)(polyethoxy)propyl]-1,1,1,3,5,5,5 -heptamethyltrisiloxane) (TS-EO12) was successfully synthesized by a hydrosilylation reaction in the presence of Karstedt catalyst. The structural analysis of the surfactant was done by 1H-NMR, 13C-NMR, 29Si-NMR and FT-IR analysis. In addition the thermal stability of TS-EO12 was studied by the thermogravimetric measurements. On the one hand the surface properties of TS-EO12 at the water-air interface were investigated by surfactant aqueous solutions surface tension measurements carried out at 293 K, 303 K and 313 K, and on the other the aggregation properties were analyzed based on the solubilization properties of TS-EO12 aggregates at different temperatures. On the basis of the obtained thermodynamic parameters of adsorption and micellization of studied surfactant the temperature impact on its surface and volume properties were deduced. It was proved that the tendency of the studied surfactant molecules to adsorb at the water-air interface and to form micelles weakens with decreasing temperature. It was also concluded that the structure of the adsorption layer changes with temperature. Optical microscopy measurements were used for the TS-EO12 micelle morphology determination.
Collapse
|
16
|
Bao H, Wu Y, Liu J, Hua X, Lai G, Yang X. Polyester-Polysiloxane Hyperbranched Block Polymers for Transparent Flexible Materials. ACS OMEGA 2020; 5:29513-29519. [PMID: 33225182 PMCID: PMC7675931 DOI: 10.1021/acsomega.0c04460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
Highly transparent flexible silicone elastomers are useful for certain stretchable electronics and various types of smart devices. Polyester-polysiloxane hyperbranched block copolymers are synthesized by ring-opening polymerization of octamethylcyclotetrasiloxane initiated by macromolecular lithium alkoxide. Treatment of these copolymers with tetraethoxysilane and dibutylin dilaurate at room temperature gives the corresponding transparent elastic materials. The transparency of the materials can reach 90% (700-800 nm), and the starting thermal decomposition temperatures of the materials are higher than 330 °C. Very interestingly, though the highest tensile strength of the material prepared is about 0.48 MPa, the elongation at break can reach 778-815%. The results will inspire us to develop highly transparent flexible silicone materials by designing copolymers of silicone materials and hyperbranched polymers.
Collapse
Affiliation(s)
- Haoyuan Bao
- Key Laboratory of Organosilicon
Chemistry and Material Technology of Education Ministry, College of
Material, Chemistry, and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Yufei Wu
- Key Laboratory of Organosilicon
Chemistry and Material Technology of Education Ministry, College of
Material, Chemistry, and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Jiangling Liu
- Key Laboratory of Organosilicon
Chemistry and Material Technology of Education Ministry, College of
Material, Chemistry, and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Xilin Hua
- Key Laboratory of Organosilicon
Chemistry and Material Technology of Education Ministry, College of
Material, Chemistry, and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Guoqiao Lai
- Key Laboratory of Organosilicon
Chemistry and Material Technology of Education Ministry, College of
Material, Chemistry, and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Xiongfa Yang
- Key Laboratory of Organosilicon
Chemistry and Material Technology of Education Ministry, College of
Material, Chemistry, and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| |
Collapse
|
17
|
Reaction of “unreactive” silicone: synthesis of long-chain alkyl fluorosilicone via a simple siloxane equilibration process. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-019-02883-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
18
|
Chakma P, Konkolewicz D. Dynamic Covalent Bonds in Polymeric Materials. Angew Chem Int Ed Engl 2019; 58:9682-9695. [PMID: 30624845 DOI: 10.1002/anie.201813525] [Citation(s) in RCA: 361] [Impact Index Per Article: 72.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Indexed: 12/20/2022]
Abstract
Dynamic covalent bonds (DCBs) have received significant attention over the past decade. These are covalent bonds that are capable of exchanging or switching between several molecules. Particular focus has recently been on utilizing these DCBs in polymeric materials. Introduction of DCBs into a polymer material provides it with powerful properties including self-healing, shape-memory properties, increased toughness, and ability to relax stresses as well as to change from one macromolecular architecture to another. This Minireview summarizes commonly used powerful DCBs formed by simple, often "click" reactions, and highlights the powerful materials that can result. Challenges and potential future developments are also discussed.
Collapse
Affiliation(s)
- Progyateg Chakma
- Department of Chemistry and Biochemistry, Miami University, 651 East High Street, Oxford, OH, 45056, USA
| | - Dominik Konkolewicz
- Department of Chemistry and Biochemistry, Miami University, 651 East High Street, Oxford, OH, 45056, USA
| |
Collapse
|
19
|
Affiliation(s)
- Progyateg Chakma
- Department of Chemistry and BiochemistryMiami University 651 East High Street Oxford OH 45056 USA
| | - Dominik Konkolewicz
- Department of Chemistry and BiochemistryMiami University 651 East High Street Oxford OH 45056 USA
| |
Collapse
|
20
|
Li Z, Wang J, Hu R, Lv C, Zheng J. A Highly Ionic Conductive, Healable, and Adhesive Polysiloxane‐Supported Ionogel. Macromol Rapid Commun 2019; 40:e1800776. [DOI: 10.1002/marc.201800776] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/20/2018] [Indexed: 01/18/2023]
Affiliation(s)
- Zhongxiao Li
- Tianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin University Tianjin 300072 P. R. China
| | - Jinke Wang
- Tianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin University Tianjin 300072 P. R. China
| | - Ruofei Hu
- Tianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin University Tianjin 300072 P. R. China
| | - Chi Lv
- Tianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin University Tianjin 300072 P. R. China
| | - Junping Zheng
- Tianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin University Tianjin 300072 P. R. China
| |
Collapse
|