1
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Wang H, Wu Z, Tao J, Wang B, He C. Bamboo-Inspired Crack-Face Bridging Fiber Reinforced Composites Simultaneously Attain High Strength and Toughness. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308070. [PMID: 38155478 PMCID: PMC10933601 DOI: 10.1002/advs.202308070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/20/2023] [Indexed: 12/30/2023]
Abstract
Biological strong and tough materials have been providing original structural designs for developing bioinspired high-performance composites. However, new synergistic strengthening and toughening mechanisms from bioinspired structures remain yet to be explored and employed to upgrade current carbon material reinforced polymer composites, which are keystone to various modern industries. In this work, from bamboo, the featured cell face-bridging fibers, are abstracted and embedded in a cellular network structure, and develop an epoxy resin/carbon composite featuring biomimetic architecture through a fabrication approach integrating freeze casting, carbonization, and resin infusion with carbon fibers (CFs) and carbon nanotubes (CNTs). Results show that this bamboo-inspired crack-face bridging fiber reinforced composite simultaneously possesses a high strength (430.8 MPa) and an impressive toughness (8.3 MPa m1/2 ), which surpass those of most resin-based nanocomposites reported in the literature. Experiments and multiscale simulation models reveal novel synergistic strengthening and toughening mechanisms arising from the 2D faces that bridge the CFs: sustaining and transferring loads to enhance the overall load-bearing ability and furthermore, incorporating CNTs pullout that resembles the intrinsic toughening at the molecular to nanoscale and strain delocalization, crack branching, and crack deflection as the extrinsic toughening at the microscale. These constitute a new effective and efficient strategy to develop simultaneously strong and tough composites through abstracting and implenting novel bioinspired structures, which contributes to addressing the long-standingly challenging attainment of both high strength and toughness for advanced structural materials.
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Affiliation(s)
- Hao Wang
- Department of Materials Science and EngineeringNational University of SingaporeQueenstone117575Singapore
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
| | - Zhangyu Wu
- School of Materials Science and EngineeringSoutheast UniversityNanjing210096China
| | - Jie Tao
- School of Materials Science and TechnologyNanjing University of Aeronautics and AstronauticsNanjing210096China
| | - Bin Wang
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
| | - Chaobin He
- Department of Materials Science and EngineeringNational University of SingaporeQueenstone117575Singapore
- Institute of Materials Research and EngineeringAgency for Science Technology and Research (A*STAR)Fusionopolis WayInnovis138634Singapore
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2
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Li G, Wu W, Yu X, Zhang R, Sun R, Cao L, Zhu P. Effects of Block Copolymer Terminal Groups on Toughening Epoxy-Based Composites: Microstructures and Toughening Mechanisms. MICROMACHINES 2023; 14:2112. [PMID: 38004969 PMCID: PMC10672739 DOI: 10.3390/mi14112112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/09/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023]
Abstract
Despite the considerable research attention paid to block copolymer (BCP)-toughened epoxy resins, the effects of their terminal groups on their phase structure are not thoroughly understood. This study fills this gap by closely examining the effects of amino and carboxyl groups on the fracture toughness of epoxy resins at different temperatures. Through the combination of scanning electron microscopy and digital image correlation (DIC), it was found that the amino-terminated BCP was capable of forming a stress-distributing network in pure epoxy resin, resulting in better toughening effects at room temperature. In a 60 wt.% silica-filled epoxy composite system, the addition of a carboxyl-terminated BCP showed little toughening effect due to the weaker filler/matrix interface caused by the random dispersion of the microphase of BCPs and distributed silica. The fracture toughness of the epoxy system at high temperatures was not affected by the terminal groups, regardless of the addition of silica. Their dynamic mechanical properties and thermal expansion coefficients are also reported in this article.
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Affiliation(s)
- Gang Li
- System Packaging and Integration Research Center, Institute of Microelectronics of Chinese Academy of Sciences, Beijing 100029, China
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (W.W.); (X.Y.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenjie Wu
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (W.W.); (X.Y.)
| | - Xuecheng Yu
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (W.W.); (X.Y.)
| | - Ruoyu Zhang
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (W.W.); (X.Y.)
| | - Rong Sun
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (W.W.); (X.Y.)
| | - Liqiang Cao
- System Packaging and Integration Research Center, Institute of Microelectronics of Chinese Academy of Sciences, Beijing 100029, China
| | - Pengli Zhu
- University of Chinese Academy of Sciences, Beijing 100049, China
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3
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Baruel AF, Dutra RCL, Diniz MF, Azevedo MFP, Cassu SN. The role of organoclay in the diffusion of epoxy‐amine oligomers and in the cross‐linking density of the resulting network. J Appl Polym Sci 2022. [DOI: 10.1002/app.53571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Amanda F. Baruel
- Instituto Tecnológico de Aeronáutica (ITA) São José dos Campos SP Brazil
- Instituto de Aeronáutica e Espaço (IAE) São José dos Campos SP Brazil
| | - Rita C. L. Dutra
- Instituto Tecnológico de Aeronáutica (ITA) São José dos Campos SP Brazil
| | - Milton F. Diniz
- Instituto de Aeronáutica e Espaço (IAE) São José dos Campos SP Brazil
| | | | - Silvana N. Cassu
- Instituto Tecnológico de Aeronáutica (ITA) São José dos Campos SP Brazil
- Instituto de Aeronáutica e Espaço (IAE) São José dos Campos SP Brazil
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4
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Kanu NJ, Lal A. Nonlinear static analysis of CNT/nanoclay particles reinforced polymer matrix composite plate using secant function based shear deformation theory. SMART SCIENCE 2022. [DOI: 10.1080/23080477.2022.2066052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Nand Jee Kanu
- Department of Mechanical Engineering, S. V. National Institute of Technology, Surat, India
| | - Achchhe Lal
- Department of Mechanical Engineering, S. V. National Institute of Technology, Surat, India
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5
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Diouf PM, Thiandoume C, Abdulrahman ST, Ndour O, Jibin KP, Maria HJ, Thomas S, Tidjani A. Mechanical and rheological properties of recycled high‐density polyethylene and ronier palm leaf fiber based biocomposites. J Appl Polym Sci 2022. [DOI: 10.1002/app.51713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Papa Mbaye Diouf
- Laboratory of Natural and Artificial Radiations, Department of Physics University Cheikh Anta Diop Dakar Senegal
- Laboratory of Fluid Mechanics and Applications, Department of Physics University Cheikh Anta Diop Dakar Senegal
| | - Coumba Thiandoume
- Laboratory of Natural and Artificial Radiations, Department of Physics University Cheikh Anta Diop Dakar Senegal
| | - Sajith T. Abdulrahman
- International and Inter University Center of Nanoscience and Nanotechnology Mahatma Gandhi University Kottayam India
| | - Ousmane Ndour
- Laboratory of Natural and Artificial Radiations, Department of Physics University Cheikh Anta Diop Dakar Senegal
| | - K. P. Jibin
- International and Inter University Center of Nanoscience and Nanotechnology Mahatma Gandhi University Kottayam India
- School of Chemical Sciences Mahatma Gandhi University Kottayam India
| | - Hanna J. Maria
- School of Energy Materials Mahatma Gandhi University Kottayam India
| | - Sabu Thomas
- International and Inter University Center of Nanoscience and Nanotechnology Mahatma Gandhi University Kottayam India
- School of Chemical Sciences Mahatma Gandhi University Kottayam India
- School of Energy Materials Mahatma Gandhi University Kottayam India
| | - Adams Tidjani
- Laboratory of Natural and Artificial Radiations, Department of Physics University Cheikh Anta Diop Dakar Senegal
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6
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Basturk SB. Effect of methyl orange as the modifier on the mechanical, thermal, and thermo‐mechanical properties of clay/epoxy composites. J Appl Polym Sci 2022. [DOI: 10.1002/app.51638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Suat Bahar Basturk
- Department of Metallurgy and Materials Engineering Manisa Celal Bayar University Manisa Turkey
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7
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Fayaz I, Peerzada GM, Ganaie NB. Comparative Study of Different Methods of Synthesis and Their Effect on the Thermomechanical Properties of a Halogenated Epoxy-Based Flame-Retardant Resin. ACS OMEGA 2022; 7:1035-1047. [PMID: 35036767 PMCID: PMC8756803 DOI: 10.1021/acsomega.1c05626] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
The work presented in this paper deals with the comparative synthesis of diglycidyl ether-based tetrabromobisphenol-A(TBBPA) using both conventional and nonconventional methods in order to explore materials for better industrial applications with respect to effective yield, cost, and time consideration. The conventional method involved the polycondensation of TBBPA and epichlorohydrin in the presence of an alkali catalyst. The nonconventional routes adopted for the synthesis of the material involved ultrasonication, microwave irradiation, and UV light exposure. The Fourier transform infrared spectroscopy spectra of all the synthesized materials of the resin were found to be identical, and the X-ray diffraction analysis showed the material as amorphous. The mechanical studies of the resins revealed that all these resins synthesized by different methods are strong and possess high viscosity. Based on the overall thermal, rheological, and excellent hydrophobic properties, it can serve as an excellent flame retardant.
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Affiliation(s)
- Iram Fayaz
- Department
of Chemistry, University of Kashmir, Srinagar 190006, India
| | | | - Nadeem Bashir Ganaie
- Department
of Chemistry, Govt. College for Women, Nawakadal, Srinagar 190002, India
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8
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Yan X, Yang L, Wang J, Jiang L, Xu Y, Huang Y, Chang G. Enhanced mechanical and photocatalytic performances of epoxy nanocomposites filled with potassium‐modified graphitic carbon nitride nanosheets. J Appl Polym Sci 2021. [DOI: 10.1002/app.51328] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xin Yan
- State Key Laboratory of Environment‐friendly Energy Materials, School of Material Science and Engineering Southwest University of Science and Technology Mianyang China
| | - Li Yang
- State Key Laboratory of Environment‐friendly Energy Materials, School of Material Science and Engineering Southwest University of Science and Technology Mianyang China
| | - Jun Wang
- State Key Laboratory of Environment‐friendly Energy Materials, School of Material Science and Engineering Southwest University of Science and Technology Mianyang China
| | - Lei Jiang
- State Key Laboratory of Environment‐friendly Energy Materials, School of Material Science and Engineering Southwest University of Science and Technology Mianyang China
| | - Yewei Xu
- State Key Laboratory of Environment‐friendly Energy Materials, School of Material Science and Engineering Southwest University of Science and Technology Mianyang China
| | - Ying Huang
- State Key Laboratory of Environment‐friendly Energy Materials, School of Material Science and Engineering Southwest University of Science and Technology Mianyang China
| | - Guanjun Chang
- State Key Laboratory of Environment‐friendly Energy Materials, School of Material Science and Engineering Southwest University of Science and Technology Mianyang China
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9
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Simplified Testing of the Bond Strength of Adhesives Used for Bonded Anchors. MATERIALS 2021; 14:ma14123298. [PMID: 34203620 PMCID: PMC8232176 DOI: 10.3390/ma14123298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 12/01/2022]
Abstract
The analysis presented in this paper is focused on problems of bond strength as an overall bond quality parameter of industrial adhesives for structural anchoring. In the first part, the problem of bond strength as the most important parameter influencing the final anchor resistance to tension load is described. Further in the text, a new methodology of simplified testing of the strength parameters of adhesives is described. Special test specimens made from steel are repeatedly used in this methodology. Additionally, results of these tests on some new recipes for adhesive are presented. Especially, epoxy resins with special fillers, such as carbon fibres, carbon nanotubes or graphene, were tested. The use of these adhesives in temperatures close to zero degrees Celsius was also tested.
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10
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Effect of organoclays on mechanical properties of glass fiber-reinforced epoxy nanocomposite. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03759-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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11
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Xue X, Xiao T, Liu Y, Ran Q. Time–temperature–transformation (TTT) and TTT–viscosity diagrams of a typical benzoxazine resin. J Appl Polym Sci 2020. [DOI: 10.1002/app.49737] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Xuan Xue
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China
| | - Tianming Xiao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China
| | - Yu Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China
| | - Qichao Ran
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China
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12
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Tao L, Sun Z, Min W, Ou H, Qi L, Yu M. Improving the toughness of thermosetting epoxy resins via blending triblock copolymers. RSC Adv 2020; 10:1603-1612. [PMID: 35494674 PMCID: PMC9048288 DOI: 10.1039/c9ra09183a] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 12/16/2019] [Indexed: 11/23/2022] Open
Abstract
In this study, the triblock copolymer poly(methyl methacrylate)-b-poly(butyl acrylate)-b-poly(methyl methacrylate) (MAM) was used to modify bisphenol A epoxy resin to improve its toughness. The effects of MAM on the curing behaviors, mechanical properties, fracture morphology and thermal properties of epoxy were carefully studied. The results of dissolution experiments show that MAM has good compatibility with epoxy resin under certain conditions. FT-IR and DSC analyses show that adding MAM to epoxy hinders the curing reaction of epoxy resin, without participating in the curing reaction and changing the curing mechanism. The mechanical properties indicated by KIC and impact strength with an MAM content of 10 phr for the toughened system increase by 91.5% and 83.5%, respectively, compared to the situation without MAM, which may ascribed to the nanoparticles formed during the process of MAM/epoxy blending. In the curing process of an epoxy resin, the typical phase structure that occurs through the self-assembly process can be clearly observed in the MAM/epoxy blends. As the MAM content increases, the amount of nanoparticles gradually increases. This work further confirms that the toughness of the composite material was enhanced to a large extent without significantly decreasing the glass transition temperature of the blends. In this study, the triblock copolymer poly(methyl methacrylate)-b-poly(butyl acrylate)-b-poly(methyl methacrylate) (MAM) was used to modify bisphenol A epoxy resin to improve its toughness.![]()
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Affiliation(s)
- Lei Tao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University Shanghai 201620 China +86-139-0715-9052.,Center for Civil Aviation Composites, Donghua University Shanghai 201620 China
| | - Zeyu Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University Shanghai 201620 China +86-139-0715-9052.,Shanghai Key Laboratory of Lightweight Structural Composites, Donghua University Shanghai 201620 China.,Center for Civil Aviation Composites, Donghua University Shanghai 201620 China
| | - Wei Min
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University Shanghai 201620 China +86-139-0715-9052.,Center for Civil Aviation Composites, Donghua University Shanghai 201620 China
| | - Hanwen Ou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University Shanghai 201620 China +86-139-0715-9052.,Center for Civil Aviation Composites, Donghua University Shanghai 201620 China
| | - Liangliang Qi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University Shanghai 201620 China +86-139-0715-9052.,Center for Civil Aviation Composites, 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 +86-139-0715-9052.,Shanghai Key Laboratory of Lightweight Structural Composites, Donghua University Shanghai 201620 China.,Center for Civil Aviation Composites, Donghua University Shanghai 201620 China
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13
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Peng WL, You Y, Xie P, Rong MZ, Zhang MQ. Adaptable Interlocking Macromolecular Networks with Homogeneous Architecture Made from Immiscible Single Networks. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02307] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Wei Li Peng
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Yang You
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Pu Xie
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Min Zhi Rong
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Ming Qiu Zhang
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GD HPPC Lab, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
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14
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Ji J, Zhao J, Ke Y. Synthesis and characterization of poly(AM-SSS-AMPS)/ O-MMT nanocomposite microspheres with tailored nanomechanical properties. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.124022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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15
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Irzhak VI, Dzhardimalieva GI, Uflyand IE. Structure and properties of epoxy polymer nanocomposites reinforced with carbon nanotubes. JOURNAL OF POLYMER RESEARCH 2019. [DOI: 10.1007/s10965-019-1896-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Huang C, Peng J, Wan S, Du Y, Dou S, Wagner HD, Tomsia AP, Jiang L, Cheng Q. Ultra‐Tough Inverse Artificial Nacre Based on Epoxy‐Graphene by Freeze‐Casting. Angew Chem Int Ed Engl 2019; 58:7636-7640. [DOI: 10.1002/anie.201902410] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 03/21/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Chuanjin Huang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100191 P. R. China
| | - Jingsong Peng
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100191 P. R. China
| | - Sijie Wan
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100191 P. R. China
| | - Yi Du
- Institute for Superconducting and Electronic MaterialsAustralian Institute for Innovative MaterialsUniversity of Wollongong Wollongong New South Wales 2500 Australia
- BUAA-UOW Joint Research CentreBeihang University Beijing 100191 P. R. China
| | - Shixue Dou
- Institute for Superconducting and Electronic MaterialsAustralian Institute for Innovative MaterialsUniversity of Wollongong Wollongong New South Wales 2500 Australia
- BUAA-UOW Joint Research CentreBeihang University Beijing 100191 P. R. China
| | - Hanoch Daniel Wagner
- Department of Materials & InterfacesWeizmann Institute of Science Rehovot 76100 Israel
| | - Antoni P. Tomsia
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100191 P. R. China
| | - Lei Jiang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100191 P. R. China
- BUAA-UOW Joint Research CentreBeihang University Beijing 100191 P. R. China
| | - Qunfeng Cheng
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100191 P. R. China
- BUAA-UOW Joint Research CentreBeihang University Beijing 100191 P. R. China
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17
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Xie Y, Liu W, Liu C, He S, Zhang F, Shi H, Yang M, Wang Z. Investigation of covalently grafted polyacrylate chains onto graphene oxide for epoxy composites with reinforced mechanical performance. J Appl Polym Sci 2019. [DOI: 10.1002/app.47842] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Yankun Xie
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
- University of Chinese Academy of Sciences Beijing 101408 China
| | - Weiqu Liu
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
| | - Chunhua Liu
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
- University of Chinese Academy of Sciences Beijing 101408 China
| | - Sha He
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
- University of Chinese Academy of Sciences Beijing 101408 China
| | - Fengyuan Zhang
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
- University of Chinese Academy of Sciences Beijing 101408 China
| | - Hongyi Shi
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
- University of Chinese Academy of Sciences Beijing 101408 China
| | - Maiping Yang
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
- University of Chinese Academy of Sciences Beijing 101408 China
| | - Zhengfang Wang
- Guangzhou Institute of ChemistryChinese Academy of Sciences Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics ChemistryChinese Academy of Sciences Guangzhou 510650 China
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18
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Ultra‐Tough Inverse Artificial Nacre Based on Epoxy‐Graphene by Freeze‐Casting. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902410] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Rohini R, Verma K, Bose S. Interfacial Architecture Constructed Using Functionalized MWNT Resulting in Enhanced EMI Shielding in Epoxy/Carbon Fiber Composites. ACS OMEGA 2018; 3:3974-3982. [PMID: 31458635 PMCID: PMC6641593 DOI: 10.1021/acsomega.8b00218] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 04/02/2018] [Indexed: 05/31/2023]
Abstract
In this work, we have attempted to improve electromagnetic interference (EMI) shielding and mechanical behavior of epoxy/carbon fiber (CF) composite, simultaneously, in the presence of functionalized carbon nanotubes. It is well understood that properties of composite depend on the interface between the filler and matrix. Considering this basic understanding, functionalized carbon nanotubes/epoxy nanocomposites were impregnated into a bidirectional carbon fiber (CF) mat and, further, various mechanical and EMI shielding behaviors were studied. Multiwalled carbon nanotubes were functionalized with branched poly(ethyleneimine) (b-MWNT) to tailor the interface of epoxy/CF composites. Laminates with two layers of CF were fabricated with functional MWNT modified epoxy. Scanning electron microscopy was used to analyze the microstructure of epoxy/CF laminates. Lap shear test was performed to analyze adhesion between the modified epoxy and carbon fiber. Further dynamic mechanical analysis in the temperature range of 30-160 °C was performed. Thermal degradation of composites was studied using a thermogravimetric analyzer. Electrical conductivity of laminates was measured using a four-point method on an Agilent probe station. EMI shielding effectiveness (SE) was measured for 0.5 mm-thin laminates in the Ku band. The b-MWNT modified epoxy/CF composites showed excellent SET of ca. -60 dB and SEA of ca. -50 dB, which are of commercial importance. Compared to unmodified epoxy/CF, b-MWNTs/epoxy/CF exhibited 200% increment in EMI SET and 35% enhancement in storage modulus due to the improved interface between the epoxy matrix and carbon fiber.
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20
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Jasna VC, Anilkumar T, Ramesan MT. Nanocomposite materials based on zinc sulfide nanoparticles reinforced chlorinated styrene butadiene rubber. J Appl Polym Sci 2018. [DOI: 10.1002/app.46538] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- V. C. Jasna
- Department of Chemistry; University of Calicut, Calicut University P.O.; Malappuram 673 635 Kerala India
| | - T. Anilkumar
- Department of Chemistry; University of Calicut, Calicut University P.O.; Malappuram 673 635 Kerala India
| | - M. T. Ramesan
- Department of Chemistry; University of Calicut, Calicut University P.O.; Malappuram 673 635 Kerala India
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Shuai C, Shuai C, Feng P, Gao C, Peng S, Yang Y. Antibacterial Capability, Physicochemical Properties, and Biocompatibility of nTiO₂ Incorporated Polymeric Scaffolds. Polymers (Basel) 2018; 10:E328. [PMID: 30966363 PMCID: PMC6415147 DOI: 10.3390/polym10030328] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 03/12/2018] [Accepted: 03/13/2018] [Indexed: 12/30/2022] Open
Abstract
Postoperative infection is a common risk which brings about failure in bone transplantation. In this study, nano titanium dioxide (nTiO₂) was incorporated into Polyetheretherketone/polyglycolicacid (PEEK/PGA) blends to construct antibacterial scaffolds via selective laser sintering. Antibacterial capability was assessed using Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The results demonstrated that the scaffolds with nTiO₂ presented an effective antibacterial activity, which might be attributed to that nTiO₂ would do the mechanical and oxidative damage to bacteria by occurring contact actions and generating reactive oxygen species (ROS), and thus killed bacteria from structure and function. Moreover, nTiO₂ could enhance the tensile strength and modulus of scaffolds due to the reinforcing effect and its uniform disperse. And the cell culture experiments showed that nTiO₂ stimulated cellular attachment and proliferation. Besides, it also elevated the hydrophily and thermal stability of scaffolds. These results suggested that the polymeric scaffolds incorporated nTiO₂ had potential application in bone tissue engineering.
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Affiliation(s)
- Cijun Shuai
- Jiangxi University of Science and Technology, Ganzhou 341000, China.
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha 410008, China.
| | - Chenying Shuai
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Pei Feng
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Chengde Gao
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Shuping Peng
- The Key Laboratory of Carcinogenesis of the Chinese Ministry of Health, Xiangya Hospital, Cancer Research Institute, Central South University, Changsha 410008, China.
| | - Youwen Yang
- Jiangxi University of Science and Technology, Ganzhou 341000, China.
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
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Ismail NH, Mustapha M. A review of thermoplastic elastomeric nanocomposites for high voltage insulation applications. POLYM ENG SCI 2018. [DOI: 10.1002/pen.24822] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Nurul Hidayah Ismail
- School of Materials and Mineral Resources Engineering, Engineering Campus; Universiti Sains Malaysia; Nibong Tebal Pulau Pinang 14300 Malaysia
| | - Mariatti Mustapha
- School of Materials and Mineral Resources Engineering, Engineering Campus; Universiti Sains Malaysia; Nibong Tebal Pulau Pinang 14300 Malaysia
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24
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Wang M, Xue H, Feng Z, Cheng B, Yang H. Increase of tensile strength and toughness of bio-based diglycidyl ether of bisphenol A with chitin nanowhiskers. PLoS One 2017; 12:e0177673. [PMID: 28604774 PMCID: PMC5467804 DOI: 10.1371/journal.pone.0177673] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Accepted: 05/01/2017] [Indexed: 11/22/2022] Open
Abstract
It is challenging to reinforce and toughen thermoset epoxy resins. We describe a slurry-compounding technique to transfer a uniform dispersion of chitin nanowhiskers (CW) in ethanol into an epoxy matrix. The incorporation of the hydrophilic CW reinforces the oil-soluble diglycidyl ether of bisphenol A (DGEBA). The resultant CW/epoxy bionanocomposites were transparent and showed considerably enhanced thermal and mechanical properties with tensile strength, modulus, toughness, and elongation at break being increased by 49%, 16%, 457%, and 250%, with only 2.5 wt.% CW. This improvement in strength and toughness is rare for thermoset epoxy/rigid nanofiller systems. We hypothesize that CW with many free amine groups could function not only as a nanofiller but also as a macromolecular polyamine hardener that participates in epoxy curing. The strong covalent interaction between the filler and the matrix allowed for efficient load transfer across the interfaces, which accounted for the greater strength and toughness.
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Affiliation(s)
- Mian Wang
- School of Life Science and Technology, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, China
| | - Han Xue
- School of Life Science and Technology, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, China
| | - Zhiwei Feng
- School of Life Science and Technology, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, China
| | - Binfeng Cheng
- School of Life Science and Technology, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, China
- * E-mail: (HY); (BC)
| | - Haijie Yang
- School of Life Science and Technology, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, China
- * E-mail: (HY); (BC)
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Askar S, Li L, Torkelson JM. Polystyrene-Grafted Silica Nanoparticles: Investigating the Molecular Weight Dependence of Glass Transition and Fragility Behavior. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00079] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Shadid Askar
- Department of Chemical and Biological Engineering and ‡Department of
Materials Science
and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Lingqiao Li
- Department of Chemical and Biological Engineering and ‡Department of
Materials Science
and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - John M. Torkelson
- Department of Chemical and Biological Engineering and ‡Department of
Materials Science
and Engineering, Northwestern University, Evanston, Illinois 60208, United States
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Fish DNA-modified clays: Towards highly flame retardant polymer nanocomposite with improved interfacial and mechanical performance. Sci Rep 2016; 6:38194. [PMID: 27917901 PMCID: PMC5137040 DOI: 10.1038/srep38194] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 11/04/2016] [Indexed: 11/24/2022] Open
Abstract
Deoxyribonucleic Acid (DNA) has been recently found to be an efficient renewable and environmentally-friendly flame retardant. In this work, for the first time, we have used waste DNA from fishing industry to modify clay structure in order to increase the clay interactions with epoxy resin and take benefit of its additional thermal property effect on thermo-physical properties of epoxy-clay nanocomposites. Intercalation of DNA within the clay layers was accomplished in a one-step approach confirmed by FT-IR, XPS, TGA, and XRD analyses, indicating that d-space of clay layers was expanded from ~1.2 nm for pristine clay to ~1.9 nm for clay modified with DNA (d-clay). Compared to epoxy nanocomposite containing 2.5%wt of Nanomer I.28E organoclay (m-clay), it was found that at 2.5%wt d-clay loading, significant enhancements of ~14%, ~6% and ~26% in tensile strength, tensile modulus, and fracture toughness of epoxy nanocomposite can be achieved, respectively. Effect of DNA as clay modifier on thermal performance of epoxy nanocomposite containing 2.5%wt d-clay was evaluated using TGA and cone calorimetry analysis, revealing significant decreases of ~4000 kJ/m2 and ~78 kW/m2 in total heat release and peak of heat release rate, respectively, in comparison to that containing 2.5%wt of m-clay.
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28
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He R, Zhan X, Zhang Q, Zhang G, Chen F. Control of inclusion size and toughness by reactivity of multiblock copolymer in epoxy composites. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.04.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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29
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Giraldo LF, Camilo P, Kyu T. Incorporation of silver in montmorillonite-type phyllosilicates as potential antibacterial material. Curr Opin Chem Eng 2016. [DOI: 10.1016/j.coche.2015.11.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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30
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Li J, Peng C, Li Z, Wu Z, Li S. The improvement in cryogenic mechanical properties of nano-ZrO2/epoxy composites via surface modification of nano-ZrO2. RSC Adv 2016. [DOI: 10.1039/c6ra08047b] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This study investigated the cryogenic mechanical properties of modified nano-ZrO2 reinforced epoxy composites.
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Affiliation(s)
- Jialiang Li
- School of Aeronautics and Astronautics
- Faculty of Vehicle Engineering and Mechanics
- State Key Laboratory of Structural Analysis for Industrial Equipment
- Dalian University of Technology
- Dalian 116024
| | - Cong Peng
- School of Materials Science and Engineering
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Zhiwei Li
- School of Aeronautics and Astronautics
- Faculty of Vehicle Engineering and Mechanics
- State Key Laboratory of Structural Analysis for Industrial Equipment
- Dalian University of Technology
- Dalian 116024
| | - Zhanjun Wu
- School of Aeronautics and Astronautics
- Faculty of Vehicle Engineering and Mechanics
- State Key Laboratory of Structural Analysis for Industrial Equipment
- Dalian University of Technology
- Dalian 116024
| | - Shichao Li
- School of Aeronautics and Astronautics
- Faculty of Vehicle Engineering and Mechanics
- State Key Laboratory of Structural Analysis for Industrial Equipment
- Dalian University of Technology
- Dalian 116024
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31
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Zhang H, Wang L, Zhou A, Shen C, Dai Y, Liu F, Chen J, Li P, Hu Q. Effects of 2-D transition metal carbide Ti2CTxon properties of epoxy composites. RSC Adv 2016. [DOI: 10.1039/c6ra14560d] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
By means ofin situintercalation polymerization Ti2CTx/EP nanocomposites were prepared, which possessed excellent mechanical and tribological properties.
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Affiliation(s)
- Heng Zhang
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Libo Wang
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Aiguo Zhou
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Changjie Shen
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Yahui Dai
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Fanfan Liu
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Jinfeng Chen
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Ping Li
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
| | - Qianku Hu
- School of Materials Science and Engineering
- Henan Polytechnic University
- Jiaozuo
- China
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