1
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Heinz S, Gemmer L, Janka O, Gallei M. Ferrocene-Modified Polyacrylonitrile-Containing Block Copolymers as Preceramic Materials. Polymers (Basel) 2024; 16:2142. [PMID: 39125169 PMCID: PMC11314306 DOI: 10.3390/polym16152142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2024] [Revised: 07/18/2024] [Accepted: 07/26/2024] [Indexed: 08/12/2024] Open
Abstract
In the pursuit of fabricating functional ceramic nanostructures, the design of preceramic functional polymers has garnered significant interest. With their easily adaptable chemical composition, molecular structure, and processing versatility, these polymers hold immense potential in this field. Our study succeeded in focusing on synthesizing ferrocene-containing block copolymers (BCPs) based on polyacrylonitrile (PAN). The synthesis is accomplished via different poly(acrylonitrile-block-methacrylate)s via atom transfer radical polymerization (ATRP) and activators regenerated by electron transfer ATRP (ARGET ATRP) for the PAN macroinitiators. The molecular weights of the BCPs range from 44 to 82 kDa with dispersities between 1.19 and 1.5 as determined by SEC measurements. The volume fraction of the PMMA block ranges from 0.16 to 0.75 as determined by NMR. The post-modification of the BCPs using 3-ferrocenyl propylamine has led to the creation of redox-responsive preceramic polymers. The thermal stabilization of the polymer film has resulted in stabilized morphologies based on the oxidative PAN chemistry. The final pyrolysis of the sacrificial block segment and conversion of the metallopolymer has led to the formation of a porous carbon network with an iron oxide functionalized surface, investigated by scanning electron microscopy (SEM), energy dispersive X-ray mapping (EDX), and powder X-ray diffraction (PXRD). These findings could have significant implications in various applications, demonstrating the practical value of our research in convenient ceramic material design.
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Affiliation(s)
- Sebastian Heinz
- Polymer Chemistry, Campus C4 2, Saarland University, 66123 Saarbrücken, Germany; (S.H.); (L.G.)
| | - Lea Gemmer
- Polymer Chemistry, Campus C4 2, Saarland University, 66123 Saarbrücken, Germany; (S.H.); (L.G.)
| | - Oliver Janka
- Inorganic Solid State Chemistry, Campus C4 1, Saarland University, 66123 Saarbrücken, Germany;
| | - Markus Gallei
- Polymer Chemistry, Campus C4 2, Saarland University, 66123 Saarbrücken, Germany; (S.H.); (L.G.)
- Saarene, Campus C4 2, Saarland Center for Energy Materials and Sustainability, 66123 Saarbrücken, Germany
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2
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Wojciechowski C, Wasyłeczko M, Lewińska D, Chwojnowski A. A Comprehensive Review of Hollow-Fiber Membrane Fabrication Methods across Biomedical, Biotechnological, and Environmental Domains. Molecules 2024; 29:2637. [PMID: 38893513 PMCID: PMC11174095 DOI: 10.3390/molecules29112637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
This work presents methods of obtaining polymeric hollow-fiber membranes produced via the dry-wet phase inversion method that were published in renowned specialized membrane publications in the years 2010-2020. Obtaining hollow-fiber membranes, unlike flat membranes, requires the use of a special installation for their production, the most important component of which is the hollow fiber forming spinneret. This method is most often used in obtaining membranes made of polysulfone, polyethersulfone, polyurethane, cellulose acetate, and its derivatives. Many factors affect the properties of the membranes obtained. By changing the parameters of the spinning process, we change the thickness of the membranes' walls and the diameter of the hollow fibers, which causes changes in the membranes' structure and, as a consequence, changes in their transport/separation parameters. The type of bore fluid affects the porosity of the inner epidermal layer or causes its atrophy. Porogenic compounds such as polyvinylpyrrolidones and polyethylene glycols and other substances that additionally increase the membrane porosity are often added to the polymer solution. Another example is a blend of two- or multi-component membranes and dual-layer membranes that are obtained using a three-nozzle spinneret. In dual-layer membranes, one layer is the membrane scaffolding, and the other is the separation layer. Also, the temperature during the process, the humidity, and the composition of the solution in the coagulating bath have impact on the parameters of the membranes obtained.
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Affiliation(s)
- Cezary Wojciechowski
- Nalecz Institute of Biocybernetic and Biomedical Engineering, Polish Academy of Sciences, Trojdena 4 Str., 02-109 Warsaw, Poland; (M.W.); (D.L.); (A.C.)
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3
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Ebrahim MZA, Rahmanian V, Abdelmigeed M, Pirzada T, Khan SA. Designing a MOF-functionalized Nanofibrous Aerogel via Vapor-Phase Synthesis. SMALL METHODS 2024:e2400596. [PMID: 38822424 DOI: 10.1002/smtd.202400596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Indexed: 06/03/2024]
Abstract
Designing 3D mechanically robust and high-surface-area substrates for uniform and high-density deposition of metal-organic frameworks (MOFs) provide a promising strategy to enhance surface accessibility and application of these highly functional materials. Nanofibrous aerogel (NFA) with its highly porous self-supported structure composed of interconnected nanofibrous network offers an ideal platform in this regard. Herein, a facile one-pot strategy is introduced, which utilizes direct deposition of MOF on the nanofibrous surface of the NFAs. NFAs are synthesized using electrospun polyacrylonitrile/polyvinylpyrrolidone (PAN/PVP) polymer nanofibers containing zinc acetate (Zn(Ac)2), which are subjected to freeze drying and thermal treatment. The latter converts Zn(Ac)2 to zinc oxide (ZnO), providing the sites for MOF growth while also adding mechanical integrity to the NFAs through cyclization of the PAN. Exposure of the NFA to the vapor-phase of organic ligand, 2-methylimidazole (2-MeIm) enables in situ growth of zeolitic imidazolate framework-8 (ZIF-8) MOF on the NFA. ZIF-8 loading on the NFAs is further improved by more than tenfold by synthesizing ZnO nanorods/protrusions on the nanofibers, which enables more sites for MOF growth. These findings underscore a significant advancement in designing MOF-based hybrid aerogels, offering a streamlined approach for their use in diverse applications, from catalysis to sensing and water purification.
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Affiliation(s)
| | - Vahid Rahmanian
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Mai Abdelmigeed
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Tahira Pirzada
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Saad A Khan
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
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4
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Rac-Rumijowska O, Teterycz H. Electrical Conductance Mechanism of Silver-Polyacrylonitrile Nanocomposite Fibers. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3085. [PMID: 37109921 PMCID: PMC10141952 DOI: 10.3390/ma16083085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/30/2023] [Accepted: 04/11/2023] [Indexed: 06/19/2023]
Abstract
This paper presents the mechanism of electrical conductivity in nanocomposite polyacrylonitrile (PAN) fibers modified with silver nanoparticles (AgNPs). Fibers were formed by the wet-spinning method. The nanoparticles were introduced into the polymer matrix as a result of direct synthesis in the spinning solution from which the fibers were obtained, thereby influencing the chemical and physical properties of the polymer matrix. The structure of the nanocomposite fibers was determined using SEM, TEM, and XRD, and the electrical properties were determined using the DC and AC methods. The conductivity of the fibers was electronic and based on the percolation theory with tunneling through the polymer phase. This article describes in detail the influence of individual fiber parameters on the final electrical conductivity of the PAN/AgNPs composite and presents the mechanism of conductivity.
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5
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Almafie M, Marlina L, Riyanto R, Jauhari J, Nawawi Z, Sriyanti I. Dielectric Properties and Flexibility of Polyacrylonitrile/Graphene Oxide Composite Nanofibers. ACS OMEGA 2022; 7:33087-33096. [PMID: 36157738 PMCID: PMC9494686 DOI: 10.1021/acsomega.2c03144] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/29/2022] [Indexed: 06/16/2023]
Abstract
Energy storage and modern electronics industries are in essential need of high dielectric and highly flexible materials. In this study, polyacrylonitrile and reduced graphene oxide (PAN/GO) were prepared by electrospinning. The composite morphology produced a homogeneous, smooth, and flexible surface with high tensile strength and durability. The diameter of the fibers in the composite mats ranged from 232 to 592 nm. The X-ray diffraction pattern recording displayed a sharp peak characteristic centered between 20 and 30° angles with a maximum degree of crystallinity of 86.23%. The evaluation of the Fourier-transform infrared spectrum indicated the interaction between GO and PAN through hydrogen bonds. The differential scanning calorimetry measurements confirmed that GO acted as a nucleating agent that improves the thermal stability of the composite. The dielectric properties exhibited the relative permittivity of the composite of 86.4 with a dielectric loss (tan δ) of 4.97 at 102 Hz, and the maximum conductivity was achieved at 34.9 × 10-6 Sm-1 at high frequencies.
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Affiliation(s)
- Muhammad
Rama Almafie
- Physics
Education, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
- Laboratory
of Instrumentation and Nanotechnology Applications, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
| | - Leni Marlina
- Physics
Education, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
| | - Riyanto Riyanto
- Biology
Education, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
| | - Jaidan Jauhari
- Department
of Computer Science, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
- Laboratory
of Instrumentation and Nanotechnology Applications, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
| | - Zainuddin Nawawi
- Department
of Electrical Engineering, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
| | - Ida Sriyanti
- Physics
Education, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
- Laboratory
of Instrumentation and Nanotechnology Applications, Universitas Sriwijaya, Palembang-Prabumulih Street KM.32, Indralaya 30662, ID, Indonesia
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6
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Xu J, Lan X, Cheng J, Zhou X. Facile synthesis of g-C 3N 4/Ag 2C 2O 4 heterojunction composite membrane with efficient visible light photocatalytic activity for water disinfection. CHEMOSPHERE 2022; 295:133841. [PMID: 35131277 DOI: 10.1016/j.chemosphere.2022.133841] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/30/2022] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Water pollution, deriving from the contamination of pathogenic bacteria, has posed a threat to human's survival and development. Photocatalytic disinfection is being widely studied in decentralized drink water safety, as traditional disinfection technologies are limited by harmful disinfection by-product and excessive energy consumption. Herein, a novel composite membrane (PN/Ag) with plasmonic heterojunction was synthesized for the efficient photocatalytic disinfection through the combination of polyacrylonitrile (PAN), N-doped carbon dots (NCDs)/g-C3N4 and Ag2C2O4 by electrospinning technique and successive ionic layer adsorption and reaction (SILAR) process. The surface plasmon resonance (SPR) effect of Ag nanoparticles and Schottky barrier formation between metal and semiconductor contributed to the efficient separation of electron-hole pairs and the generation of reactive species, resulting in outstanding photocatalytic disinfection of PN/Ag composite membranes (7.48 and 7.70 log inactivation of E. coli and S. aureus respectively in 80 min) and good reusability under visible light illumination. Moreover, the potential Z-scheme photocatalytic mechanisms were proposed for PN/Ag system according to the band structure and reactive species analysis. The as-proposed PN/Ag composite membranes may shed light on the design and application of materials in water purification.
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Affiliation(s)
- Jiaxin Xu
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, PR China
| | - Xiuquan Lan
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, PR China
| | - Jianhua Cheng
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, PR China; South China Institute of Collaborative Innovation, Dongguan, 523808, China.
| | - Xinhui Zhou
- South China Institute of Collaborative Innovation, Dongguan, 523808, China.
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7
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Kh. Kara G, Tadjarodi A, Kehtari M. Designing a novel 3D nanofibrous scaffold based on nanoalloy AuAg NPs (AuAg@ PAN NFs) for osteogenic differentiation of human adipose derived mesenchymal stem cells (hADMSCs). Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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8
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Comparative study for adsorption of congo red and methylene blue dye on chitosan modified hybrid nanocomposite. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.05.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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9
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Zhang G, Xiao Y, Yin Q, Yan J, Zang C, Zhang H. In Situ Synthesis of Silver Nanoparticles on Amino-Grafted Polyacrylonitrile Fiber and Its Antibacterial Activity. NANOSCALE RESEARCH LETTERS 2021; 16:36. [PMID: 33591425 PMCID: PMC7886948 DOI: 10.1186/s11671-021-03496-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 02/07/2021] [Indexed: 05/28/2023]
Abstract
In this study, amino hyperbranched polymers (HBP)-grafted polyacrylonitrile (PAN) fiber was prepared through an amidation reaction in an autoclave. The prepared PAN-G-HBP fiber can complex Ag+ through amino groups of amino HBP, and in a hot steaming condition, Ag+ can be converted to Ag0 through the reducibility of HBP. PAN-G-HBP and Ag nanoparticles (NPs)-coated fibers were then characterized through FTIR, UV-VIS DRS, FE-SEM, EDS, XPS and antibacterial measurement. FTIR results confirmed HBP was grafted on the surface of PAN fiber. FE-SEM showed that after grafting with HBP, the average diameter of PAN fibers was amplified. EDS, XPS, and UV-VIS DRS method indicated that under hot steaming condition and with the reducibility of HBP, Ag NPs uniform coating on the PAN-G-HBP. Ag NPs-coated fibers exhibits excellent antibacterial property against Escherichia coli and Staphylococcus aureus. Even under 20 times home washing conditions, the antibacterial reduction of Ag NPs-coated PAN fiber can achieved more than 98.94%.
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Affiliation(s)
- Guangyu Zhang
- National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, School of Textile and Clothing, Nantong University, Nantong, 226019 People’s Republic of China
| | - Yao Xiao
- National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, School of Textile and Clothing, Nantong University, Nantong, 226019 People’s Republic of China
| | - Qitao Yin
- National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, School of Textile and Clothing, Nantong University, Nantong, 226019 People’s Republic of China
| | - Jiawei Yan
- Faculty of Textile Science and Technology, Shinshu University, 3-15-1, Tokida, Ueda, Nagano, 386-8567 Japan
| | - Chuanfeng Zang
- National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, School of Textile and Clothing, Nantong University, Nantong, 226019 People’s Republic of China
| | - Huiyun Zhang
- Dongfang Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100078 People’s Republic of China
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10
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Liang X, Guo Z, Tian J, Yuan C. Development of modified polyacrylonitrile fibers for improving tribological performance characteristics of thermoplastic polyurethane material in water‐lubricated sliding bearings. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiang Liang
- School of Energy and Power Engineering Wuhan University of Technology Wuhan China
- Reliability Engineering Institute National Engineering Research Center for Water Transportation Safety Wuhan China
| | - Zhiwei Guo
- School of Energy and Power Engineering Wuhan University of Technology Wuhan China
- Reliability Engineering Institute National Engineering Research Center for Water Transportation Safety Wuhan China
| | - Jun Tian
- School of Energy and Power Engineering Wuhan University of Technology Wuhan China
- Reliability Engineering Institute National Engineering Research Center for Water Transportation Safety Wuhan China
| | - Chengqing Yuan
- School of Energy and Power Engineering Wuhan University of Technology Wuhan China
- Reliability Engineering Institute National Engineering Research Center for Water Transportation Safety Wuhan China
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11
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Xu D, Wang W, Zheng Y, Tian S, Chen Y, Lu Z, Wang Y, Liu K, Wang D. Graft Copolymer Elastomers with Polar Polyacrylonitrile as Semicrystalline Side Chains: Excellent Toughness and Healability. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01716] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Deli Xu
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Wenwen Wang
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China
| | - Yuzhu Zheng
- Institute of Science and Technology, Wuhan Textile University, Wuhan 430200, China
| | - Shiyou Tian
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Yuanli Chen
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Zhentan Lu
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China
| | - Yuedan Wang
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China
| | - Ke Liu
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China
| | - Dong Wang
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China
- Institute of Science and Technology, Wuhan Textile University, Wuhan 430200, China
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
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12
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Avilova MM, Mar’eva EA, Popova OV, Finochenko TA. Pollutant Gases Adsorption on the Surface of Iron-Containing Polyacrylonitrile. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2020. [DOI: 10.1134/s0036024420060047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Al Faruque MA, Remadevi R, Razal JM, Naebe M. Impact of the wet spinning parameters on the alpaca‐based polyacrylonitrile composite fibers: Morphology and enhanced mechanical properties study. J Appl Polym Sci 2020. [DOI: 10.1002/app.49264] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
| | - Rechana Remadevi
- Deakin University, Institute for Frontier Materials (IFM) Geelong Victoria Australia
| | - Joselito M. Razal
- Deakin University, Institute for Frontier Materials (IFM) Geelong Victoria Australia
| | - Maryam Naebe
- Deakin University, Institute for Frontier Materials (IFM) Geelong Victoria Australia
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14
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Dugger TW, Sarkar S, Correa-Garhwal SM, Zhernenkov M, Zhang Y, Kolhatkar G, Mohan R, Cruz L, Lubio AD, Ruediger A, Hayashi CY, Uhrich KE, Kisailus DJ. Ultrastructures and Mechanics of Annealed Nephila clavipes Major Ampullate Silk. Biomacromolecules 2020; 21:1186-1194. [PMID: 32003982 DOI: 10.1021/acs.biomac.9b01615] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The semicrystalline protein structure and impressive mechanical properties of major ampullate (MA) spider silk make it a promising natural alternative to polyacrylonitrile (PAN) fibers for carbon fiber manufacture. However, when annealed using a similar procedure to carbon fiber production, the tensile strength and Young's modulus of MA silk decrease. Despite this, MA silk fibers annealed at 600 °C remain stronger and tougher than similarly annealed PAN but have a lower Young's modulus. Although MA silk and PAN graphitize to similar extents, annealing disrupts the hydrogen bonding that controls crystal alignment within MA silk. Consequently, unaligned graphite crystals form in annealed MA silk, causing it to weaken, while graphite crystals in PAN maintain alignment along the fiber axis, strengthening the fibers. These shortcomings of spider silk when annealed provide insights into the selection and design of future alternative carbon fiber precursors.
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Affiliation(s)
- Thomas W Dugger
- Materials Science and Engineering Program, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States
| | - Sourangsu Sarkar
- Department of Chemical and Environmental Engineering, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States
| | - Sandra M Correa-Garhwal
- Department of Evolution, Ecology, and Organismal Biology, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States
| | - Mikhail Zhernenkov
- National Synchrotron Light Source II, Brookhaven National Laboratory, 743 Brookhaven Avenue, Upton, New York 11973-5000, United States
| | - Yugang Zhang
- National Synchrotron Light Source II, Brookhaven National Laboratory, 743 Brookhaven Avenue, Upton, New York 11973-5000, United States
| | - Gitanjali Kolhatkar
- Nanoelectronics-Nanophotonics, Institut National de la Recherche Scientifique, Université du Québec, 1650, Boul. Lionel-Boulet, Varennes J3X1S2, Québec, Canada
| | - Ramya Mohan
- Materials Science and Engineering Program, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States
| | - Luz Cruz
- Materials Science and Engineering Program, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States
| | - Aura D Lubio
- Nanoelectronics-Nanophotonics, Institut National de la Recherche Scientifique, Université du Québec, 1650, Boul. Lionel-Boulet, Varennes J3X1S2, Québec, Canada
| | - Andreas Ruediger
- Nanoelectronics-Nanophotonics, Institut National de la Recherche Scientifique, Université du Québec, 1650, Boul. Lionel-Boulet, Varennes J3X1S2, Québec, Canada
| | - Cheryl Y Hayashi
- Materials Science and Engineering Program, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States.,Department of Evolution, Ecology, and Organismal Biology, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States.,Division of Invertebrate Zoology and Sackler Institute for Comparative Genomics, American Museum of Natural History, Central Park West at 79th Street, New York, New York 10024-5192, United States
| | - Kathryn E Uhrich
- Materials Science and Engineering Program, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States.,Department of Chemistry, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States
| | - David J Kisailus
- Materials Science and Engineering Program, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States.,Department of Chemical and Environmental Engineering, University of California, Riverside, 900 University Ave, Riverside, California 92521, United States
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15
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Al Faruque MA, Remadevi R, Razal J, Wang X, Naebe M. Investigation on structure and characteristics of alpaca‐based wet‐spun polyacrylonitrile composite fibers by utilizing natural textile waste. J Appl Polym Sci 2019. [DOI: 10.1002/app.48370] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Md Abdullah Al Faruque
- Deakin University Institute for Frontier Materials (IFM) Geelong Victoria 3216 Australia
| | - Rechana Remadevi
- Deakin University Institute for Frontier Materials (IFM) Geelong Victoria 3216 Australia
| | - Joselito Razal
- Deakin University Institute for Frontier Materials (IFM) Geelong Victoria 3216 Australia
| | - Xungai Wang
- Deakin University Institute for Frontier Materials (IFM) Geelong Victoria 3216 Australia
| | - Maryam Naebe
- Deakin University Institute for Frontier Materials (IFM) Geelong Victoria 3216 Australia
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16
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Zhang S, Hao A, Liu Z, Park JG, Liang R. A Highly Stretchable Polyacrylonitrile Elastomer with Nanoreservoirs of Lubricant Using Cyano-Silver Complexes. NANO LETTERS 2019; 19:3871-3877. [PMID: 31091875 DOI: 10.1021/acs.nanolett.9b01055] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Stretchable materials are indispensable for applications such as deformable devices, wearable electronics, and future robotics. However, designs for new elastomers with high stretchability have undergone only limited research. Here we have fabricated highly stretchable Ag+/polyacrylonitrile elastomer with nanoreservoirs of lubricant using cyano-silver complexes. The prepared products feature nanoconfinement structures of lubricant surrounded by polymer chains with coordination bond through chelates of cyano-silver, resulting in an enhanced stretchability of more than 600% from 2%. The elastomeric properties were investigated, and a mechanical response model was proposed, which explained the structural evolution including the polymer chain fluidity under external deformation. Also, the easy breakage and dynamic reformation of cyano-silver coordination complexes promises a strain recovery under various stretching conditions. This elastomer itself can directly work as sensors and open paths to alternative substrates for soft electronics development.
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Affiliation(s)
- Songlin Zhang
- High-Performance Materials Institute, Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering , Florida State University , 2005 Levy Avenue , Tallahassee , Florida 32310 , United States
| | - Ayou Hao
- High-Performance Materials Institute, Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering , Florida State University , 2005 Levy Avenue , Tallahassee , Florida 32310 , United States
| | - Zhe Liu
- High-Performance Materials Institute, Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering , Florida State University , 2005 Levy Avenue , Tallahassee , Florida 32310 , United States
| | - Jin Gyu Park
- High-Performance Materials Institute, Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering , Florida State University , 2005 Levy Avenue , Tallahassee , Florida 32310 , United States
| | - Richard Liang
- High-Performance Materials Institute, Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering , Florida State University , 2005 Levy Avenue , Tallahassee , Florida 32310 , United States
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17
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Karbownik I, Rac-Rumijowska O, Fiedot-Toboła M, Rybicki T, Teterycz H. The Preparation and Characterization of Polyacrylonitrile-Polyaniline (PAN/PANI) Fibers. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E664. [PMID: 30813349 PMCID: PMC6416742 DOI: 10.3390/ma12040664] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 02/11/2019] [Accepted: 02/18/2019] [Indexed: 11/18/2022]
Abstract
The paper presents a method of modifying polyacrylonitrile (PAN) fibers using polyaniline (PANI). The PAN fibers were doped with polyaniline that was obtained in two different ways. The first consisted of doping a spinning solution with polyaniline that was synthesized in an aqueous solution (PAN/PANI blended), and the second involved the synthesis of polyaniline directly in the spinning solution (PAN/PANI in situ). The obtained fibers were characterized by the methods: X-ray powder diffraction (XRD), scanning electron microscope (SEM), fourier-transform infrared spectroscopy (FTIR), thermogravimetry (TG) and differential scanning calorimetry (DSC). Analysis of the results showed strong interactions between the nitrile groups of polyacrylonitrile and polyaniline in the PAN/PANI in situ fibers. The results of mechanical strength tests indicated that the performance of the PAN/PANI mixture significantly improved the mechanical parameters of polyaniline, although these fibers had a weaker strength than the unmodified PAN fibers. The fibers obtained as a result of the addition of PANI to PAN were dielectric, whereas the PANI-synthesized in situ were characterized by a mass-specific resistance of 5.47 kΩg/cm².
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Affiliation(s)
- Iwona Karbownik
- Faculty of Electrical, Electronic, Computer and Control Engineering, Technical University of Łódź, Żeromskiego 116, 90-924 Łódź, Poland.
| | - Olga Rac-Rumijowska
- Faculty of Microsystem Electronics and Photonics, Wrocław University of Science and Technology, Janiszewskiego 11/17, 50-372 Wroclaw, Poland.
| | - Marta Fiedot-Toboła
- Polish Centre for Technology Development PORT, Stabłowicka 147, 54-066 Wroclaw, Poland.
| | - Tomasz Rybicki
- Faculty of Electrical, Electronic, Computer and Control Engineering, Technical University of Łódź, Żeromskiego 116, 90-924 Łódź, Poland.
| | - Helena Teterycz
- Faculty of Microsystem Electronics and Photonics, Wrocław University of Science and Technology, Janiszewskiego 11/17, 50-372 Wroclaw, Poland.
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18
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Elagib TH, Hassan EA, Fan C, Han K, Yu M. Single and hybrid electromagnetic absorbing coatings on polyacrylonitrile precursor to motivate the microwave pre-oxidation. Polym Degrad Stab 2018. [DOI: 10.1016/j.polymdegradstab.2018.10.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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19
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Elagib THH, Hassan EAM, Fan C, Han K, Yu M. Microwave pre-oxidation for polyacrylonitrile precursor coated with nano-carbon black. POLYM ENG SCI 2018. [DOI: 10.1002/pen.24943] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tienah H. H. Elagib
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering; Donghua University; Shanghai, 201620 China
| | - Elwathig A. M. Hassan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering; Donghua University; Shanghai, 201620 China
| | - Cheng Fan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering; Donghua University; Shanghai, 201620 China
| | - Keqing Han
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering; Donghua University; Shanghai, 201620 China
| | - Muhuo Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering; Donghua University; Shanghai, 201620 China
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20
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The cyclization index and toughness of gel spun polyacrylonitrile (PAN) proportionality with its heat of stabilization. IRANIAN POLYMER JOURNAL 2018. [DOI: 10.1007/s13726-018-0617-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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21
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22
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Ahmad R, Hasan I. Optimization of the adsorption of Pb (II) from aqueous solution onto PAB nanocomposite using response surface methodology. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.enmm.2016.09.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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23
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Lei S, Cao W, Fu Z, Xu L. The conjugated plane formed in polyacrylonitrile during thermal stabilization. J Appl Polym Sci 2016. [DOI: 10.1002/app.43890] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shuai Lei
- Key Laboratory of Carbon Fiber and Functional Polymer; Ministry of Education; College of Materials Science and Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Weiyu Cao
- Key Laboratory of Carbon Fiber and Functional Polymer; Ministry of Education; College of Materials Science and Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Zeyu Fu
- Key Laboratory of Carbon Fiber and Functional Polymer; Ministry of Education; College of Materials Science and Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Lianghua Xu
- Key Laboratory of Carbon Fiber and Functional Polymer; Ministry of Education; College of Materials Science and Engineering, Beijing University of Chemical Technology; Beijing 100029 China
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