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Magnetic Self-Healing Composites: Synthesis and Applications. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123796. [PMID: 35744920 PMCID: PMC9228312 DOI: 10.3390/molecules27123796] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/25/2022] [Accepted: 06/04/2022] [Indexed: 12/17/2022]
Abstract
Magnetic composites and self-healing materials have been drawing much attention in their respective fields of application. Magnetic fillers enable changes in the material properties of objects, in the shapes and structures of objects, and ultimately in the motion and actuation of objects in response to the application of an external field. Self-healing materials possess the ability to repair incurred damage and consequently recover the functional properties during healing. The combination of these two unique features results in important advances in both fields. First, the self-healing ability enables the recovery of the magnetic properties of magnetic composites and structures to extend their service lifetimes in applications such as robotics and biomedicine. Second, magnetic (nano)particles offer many opportunities to improve the healing performance of the resulting self-healing magnetic composites. Magnetic fillers are used for the remote activation of thermal healing through inductive heating and for the closure of large damage by applying an alternating or constant external magnetic field, respectively. Furthermore, hard magnetic particles can be used to permanently magnetize self-healing composites to autonomously re-join severed parts. This paper reviews the synthesis, processing and manufacturing of magnetic self-healing composites for applications in health, robotic actuation, flexible electronics, and many more.
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Chen YH, Huang YT, Lee YH, Rwei SP. Synthesis and Characterization of Low-Melting-Point Polyamides with Trace Thermoreversible Cross-Linked Networks. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c03333] [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)
- Yu-Hao Chen
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei City 10608, Taiwan, ROC
| | - Ya-Ting Huang
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei City 10608, Taiwan, ROC
| | - Yi-Huan Lee
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei City 10608, Taiwan, ROC
| | - Syang-Peng Rwei
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei City 10608, Taiwan, ROC
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Li DQ, Wang SY, Meng YJ, Guo ZW, Cheng MM, Li J. Fabrication of self-healing pectin/chitosan hybrid hydrogel via Diels-Alder reactions for drug delivery with high swelling property, pH-responsiveness, and cytocompatibility. Carbohydr Polym 2021; 268:118244. [PMID: 34127224 DOI: 10.1016/j.carbpol.2021.118244] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 03/27/2021] [Accepted: 05/19/2021] [Indexed: 12/11/2022]
Abstract
Self-healing hydrogels with pH-responsiveness could protect loaded drugs from being destroyed till it arrives to the target. The pectin-based hydrogel is a candidate due to the health benefit, anti-inflammation, antineoplastic activity, nontoxicity, and biospecific degradation, et al. However, the abundant existence of water-soluble branched heteropolysaccharide chains influenced its performance resulting in limitation of the potential. In the present study, we prepared a series of self-healing pectin/chitosan hydrogels via the Diels-Alder reaction. Moreover, pectin/chitosan composite hydrogel was prepared as a contrast. By comparison, it can be seen that the Diels-Alder reaction greatly improved the cross-linking density of hydrogels. The self-healing experiments showed excellent self-healing performance. In different swelling mediums, significant transformation in the swelling ratio was shown, indicating well-swelling property, pH- and thermo-responsiveness. The drug loading and release studies presented high loading efficiency and sustained release performance. The cytotoxicity assay that showed a high cell proliferation ratio manifested great cytocompatibility.
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Affiliation(s)
- De-Qiang Li
- College of Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, Xinjiang, People's Republic of China; Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, People's Republic of China.
| | - Shu-Ya Wang
- College of Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, Xinjiang, People's Republic of China
| | - Yu-Jie Meng
- College of Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, Xinjiang, People's Republic of China
| | - Zong-Wei Guo
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, People's Republic of China
| | - Mei-Mei Cheng
- College of Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, Xinjiang, People's Republic of China
| | - Jun Li
- College of Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, Xinjiang, People's Republic of China.
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Advances in Methods for Recovery of Ferrous, Alumina, and Silica Nanoparticles from Fly Ash Waste. CERAMICS-SWITZERLAND 2020. [DOI: 10.3390/ceramics3030034] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Fly ash or coal fly ash causes major global pollution in the form of solid waste and is classified as a “hazardous waste”, which is a by-product of thermal power plants produced during electricity production. Si, Al, Fe Ca, and Mg alone form more than 85% of the chemical compounds and glasses of most fly ashes. Fly ash has a chemical composition of 70–90%, as well as glasses of ferrous, alumina, silica, and CaO. Therefore, fly ash could act as a reliable and alternative source for ferrous, alumina, and silica. The ferrous fractions can be recovered by a simple magnetic separation method, while alumina and silica can be extracted by chemical or biological approaches. Alumina extraction is possible using both alkali- and acid-based methods, while silica is extracted by strong alkali, such as NaOH. Chemical extraction has a higher yield than the biological approaches, but the bio-based approaches are more environmentally friendly. Fly ash can also be used for the synthesis of zeolites by NaOH treatment of variable types, as fly ash is rich in alumino-silicates. The present review work deals with the recent advances in the field of the recovery and synthesis of ferrous, alumina, and silica micro and nanoparticles from fly ash.
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Lee WJ, Cha SH. Improvement of Mechanical and Self-Healing Properties for Polymethacrylate Derivatives Containing Maleimide Modified Graphene Oxide. Polymers (Basel) 2020; 12:E603. [PMID: 32155854 PMCID: PMC7182887 DOI: 10.3390/polym12030603] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/28/2020] [Accepted: 03/03/2020] [Indexed: 01/19/2023] Open
Abstract
In this paper, a self-healable nanocomposite based on the Diels-Alder reaction is developed. A graphene-based nanofiller is introduced to improve the self-healing efficiency, as well as the mechanical properties of the nanocomposite. Graphene oxide (GO) is modified with maleimide functional groups, and the maleimide-modified GO (mGO) enhanced the compatibility of the polymer matrix and nanofiller. The tensile strength of the nanocomposite containing 0.030 wt% mGO is improved by 172%, compared to that of a polymer film incorporating both furan-functionalized polymer and bismaleimide without any nanofiller. Moreover, maleimide groups of the surface on mGO participate in the Diels-Alder reaction, which improves the self-healing efficiency. The mechanical and self-healing properties are significantly improved by using a small amount of mGO.
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Affiliation(s)
| | - Sang-Ho Cha
- Department of Chemical Engineering Kyonggi University, 154-42, Gwanggyosan-ro, Yeongtong-gu, Suwon, Gyeonggi 16227, Korea;
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Lee YH, Ko WC, Zhuang YN, Wang LY, Yu TW, Lee SY, Way TF, Rwei SP. Development of Self-Healable Organic/Inorganic Hybrid Materials Containing a Biobased Copolymer via Diels-Alder Chemistry and Their Application in Electromagnetic Interference Shielding. Polymers (Basel) 2019; 11:polym11111755. [PMID: 31731476 PMCID: PMC6918365 DOI: 10.3390/polym11111755] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/12/2019] [Accepted: 10/23/2019] [Indexed: 11/16/2022] Open
Abstract
In this study, a novel biobased poly(ethylene brassylate)-poly(furfuryl glycidyl ether) copolymer (PEBF) copolymer was synthesized and applied as a structure-directing template to incorporate graphene and 1,1'-(methylenedi-4,1-phenylene)bismaleimide (BMI) to fabricate a series of self-healing organic/inorganic hybrid materials. This ternary material system provided different types of diene/dienophile pairs from the furan/maleimide, graphene/furan, and graphene/maleimide combinations to build a crosslinked network via multiple Diels-Alder (DA) reactions and synergistically co-assembled graphene sheets into the polymeric matrix with a uniform dispersibility. The PEBF/graphene/BMI hybrid system possessed an efficient self-repairability for healing structural defects and an electromagnetic interference shielding ability in the Ku-band frequency range. We believe that the development of the biobased self-healing hybrid system provides a promising direction for the creation of a new class of materials with the advantages of environmental friendliness as well as durability, and shows potential for use in advanced electromagnetic applications.
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Affiliation(s)
- Yi-Huan Lee
- Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 10608, Taiwan; (W.-C.K.); (Y.-N.Z.); (L.-Y.W.); (S.-P.R.)
- Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
- Research and Development Center for Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan;
- Correspondence: ; Tel.: +1-886-2-27712171 (ext. 2410)
| | - Wen-Chi Ko
- Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 10608, Taiwan; (W.-C.K.); (Y.-N.Z.); (L.-Y.W.); (S.-P.R.)
| | - Yan-Nian Zhuang
- Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 10608, Taiwan; (W.-C.K.); (Y.-N.Z.); (L.-Y.W.); (S.-P.R.)
- Research and Development Center for Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan;
| | - Lu-Ying Wang
- Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 10608, Taiwan; (W.-C.K.); (Y.-N.Z.); (L.-Y.W.); (S.-P.R.)
| | - Tao-Wei Yu
- Taiwan Graphene Co. Ltd., Taipei 11493, Taiwan; (T.-W.Y.); (S.-Y.L.)
| | - Shaio-Yen Lee
- Taiwan Graphene Co. Ltd., Taipei 11493, Taiwan; (T.-W.Y.); (S.-Y.L.)
| | - Tun-Fun Way
- Research and Development Center for Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan;
| | - Syang-Peng Rwei
- Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 10608, Taiwan; (W.-C.K.); (Y.-N.Z.); (L.-Y.W.); (S.-P.R.)
- Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
- Research and Development Center for Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan;
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