201
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Rana S, Döhler D, Nia AS, Nasir M, Beiner M, Binder WH. “Click”-Triggered Self-Healing Graphene Nanocomposites. Macromol Rapid Commun 2016; 37:1715-1722. [DOI: 10.1002/marc.201600466] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 08/22/2016] [Indexed: 02/06/2023]
Affiliation(s)
- Sravendra Rana
- Faculty of Natural Sciences II (Chemistry, Physics and Mathematics); Institute of Chemistry; Chair of Macromolecular Chemistry; Martin Luther University Halle-Wittenberg; von-Danckelmann-Platz 4 Halle 06120 Germany
| | - Diana Döhler
- Faculty of Natural Sciences II (Chemistry, Physics and Mathematics); Institute of Chemistry; Chair of Macromolecular Chemistry; Martin Luther University Halle-Wittenberg; von-Danckelmann-Platz 4 Halle 06120 Germany
| | - Ali Shaygan Nia
- Faculty of Natural Sciences II (Chemistry, Physics and Mathematics); Institute of Chemistry; Chair of Macromolecular Chemistry; Martin Luther University Halle-Wittenberg; von-Danckelmann-Platz 4 Halle 06120 Germany
| | - Mahmood Nasir
- Faculty of Natural Sciences II (Chemistry, Physics and Mathematics); Institute of Physics; Martin Luther University Halle-Wittenberg; Kurt-Mothes-Straße 2 Halle 06120 Germany
| | - Mario Beiner
- Faculty of Natural Sciences II (Chemistry, Physics and Mathematics); Institute of Physics; Martin Luther University Halle-Wittenberg; Kurt-Mothes-Straße 2 Halle 06120 Germany
| | - Wolfgang H. Binder
- Faculty of Natural Sciences II (Chemistry, Physics and Mathematics); Institute of Chemistry; Chair of Macromolecular Chemistry; Martin Luther University Halle-Wittenberg; von-Danckelmann-Platz 4 Halle 06120 Germany
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202
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Abstract
A facile solvent-less approach to toughen epoxy thermosets by means of a bio-based resin, that is, poly(furfuryl alcohol) (PFA; furan resin) is reported. The bio-resin PFA was firstly synthesized through polycondensation reaction of furfuryl alcohol as a bio-monomer and maleic anhydride as a catalyst. Different amounts of PFA were blended with diglycidyl ether of bisphenol A epoxy resin and cured by diethylenetriamine as a hardener, which simultaneously cross-linked both of the epoxy and PFA resins. The curing process was studied by Furrier transform infrared spectroscopy and differential scanning calorimetry. Scanning electron microscopy of the chemically cured blends revealed no phase separation. It was found remarkable increase in flexural modulus and strength of the neat and modified epoxies with increasing PFA content up to around 15%. Moreover, in comparison with neat epoxy, the epoxy-PFA thermosets showed 60% increase in critical stress intensity factor and 123% increase in critical strain energy release rate. In fact, chemical reaction of PFA-incorporated epoxy could toughen the epoxy matrix without sacrificing the flexural strength and modulus. Toughening was obtained through cross-link density reduction. As exhibited by dynamic mechanical thermal analysis, Tan δ and magnitude of β-relaxation were also increased for the epoxy-PFA alloys. Overall, this green, simple, concise and cost-effective approach was suggested for being considered to produce toughened epoxy thermosets in industrial scale.
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203
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Bio-based tough hyperbranched epoxy/graphene oxide nanocomposite with enhanced biodegradability attribute. Polym Degrad Stab 2016. [DOI: 10.1016/j.polymdegradstab.2016.03.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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204
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Chhetri S, Samanta P, Murmu NC, Srivastava SK, Kuila T. Effect of Dodecyal Amine Functionalized Graphene on the Mechanical and Thermal Properties of Epoxy-Based Composites. POLYM ENG SCI 2016. [DOI: 10.1002/pen.24355] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Suman Chhetri
- Surface Engineering and Tribology Division; Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute; Durgapur West Bengal 713209 India
- CSIR-CMERI, Campus; Academy of Scientific and Innovative Research (AcSIR); Durgapur West Bengal 713209 India
| | - Pranab Samanta
- Surface Engineering and Tribology Division; Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute; Durgapur West Bengal 713209 India
- CSIR-CMERI, Campus; Academy of Scientific and Innovative Research (AcSIR); Durgapur West Bengal 713209 India
| | - Naresh Chandra Murmu
- Surface Engineering and Tribology Division; Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute; Durgapur West Bengal 713209 India
- CSIR-CMERI, Campus; Academy of Scientific and Innovative Research (AcSIR); Durgapur West Bengal 713209 India
| | | | - Tapas Kuila
- Surface Engineering and Tribology Division; Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute; Durgapur West Bengal 713209 India
- CSIR-CMERI, Campus; Academy of Scientific and Innovative Research (AcSIR); Durgapur West Bengal 713209 India
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205
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Levchenko I, Ostrikov KK, Zheng J, Li X, Keidar M, B K Teo K. Scalable graphene production: perspectives and challenges of plasma applications. NANOSCALE 2016; 8:10511-10527. [PMID: 26837802 DOI: 10.1039/c5nr06537b] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Graphene, a newly discovered and extensively investigated material, has many unique and extraordinary properties which promise major technological advances in fields ranging from electronics to mechanical engineering and food production. Unfortunately, complex techniques and high production costs hinder commonplace applications. Scaling of existing graphene production techniques to the industrial level without compromising its properties is a current challenge. This article focuses on the perspectives and challenges of scalability, equipment, and technological perspectives of the plasma-based techniques which offer many unique possibilities for the synthesis of graphene and graphene-containing products. The plasma-based processes are amenable for scaling and could also be useful to enhance the controllability of the conventional chemical vapour deposition method and some other techniques, and to ensure a good quality of the produced graphene. We examine the unique features of the plasma-enhanced graphene production approaches, including the techniques based on inductively-coupled and arc discharges, in the context of their potential scaling to mass production following the generic scaling approaches applicable to the existing processes and systems. This work analyses a large amount of the recent literature on graphene production by various techniques and summarizes the results in a tabular form to provide a simple and convenient comparison of several available techniques. Our analysis reveals a significant potential of scalability for plasma-based technologies, based on the scaling-related process characteristics. Among other processes, a greater yield of 1 g × h(-1) m(-2) was reached for the arc discharge technology, whereas the other plasma-based techniques show process yields comparable to the neutral-gas based methods. Selected plasma-based techniques show lower energy consumption than in thermal CVD processes, and the ability to produce graphene flakes of various sizes reaching hundreds of square millimetres, and the thickness varying from a monolayer to 10-20 layers. Additional factors such as electrical voltage and current, not available in thermal CVD processes could potentially lead to better scalability, flexibility and control of the plasma-based processes. Advantages and disadvantages of various systems are also considered.
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Affiliation(s)
- Igor Levchenko
- School of Chemistry, Physics, and Mechanical Engineering, Queensland University of Technology (QUT), Brisbane, Queensland 4000, Australia.
| | - Kostya Ken Ostrikov
- School of Chemistry, Physics, and Mechanical Engineering, Queensland University of Technology (QUT), Brisbane, Queensland 4000, Australia. and Joint CSIRO - QUT Sustainable Materials and Devices Laboratory, Commonwealth Scientific and Industrial Research Organisation, P.O. Box 218, Lindfield, New South Wales 2070, Australia. and Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Jie Zheng
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Xingguo Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Michael Keidar
- School of Engineering and Applied Science, George Washington University, Washington, DC 20052, USA
| | - Kenneth B K Teo
- AIXTRON Nanoinstruments, Buckingway Business Park, Swavesey, Cambridge CB24 4FQ, UK
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206
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Parameswaranpillai J, Joseph G, Sidhardhan SK, Jose S, Hameed N. Miscibility, UV resistance, thermal degradation, and mechanical properties of PMMA/SAN blends and their composites with MWCNTs. J Appl Polym Sci 2016. [DOI: 10.1002/app.43628] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jyotishkumar Parameswaranpillai
- Department of Polymer Science and Rubber Technology; Cochin University of Science and Technology; Cochin Kerala 682022 India
| | - George Joseph
- Department of Polymer Science and Rubber Technology; Cochin University of Science and Technology; Cochin Kerala 682022 India
| | - Sisanth Krishnan Sidhardhan
- Department of Polymer Science and Rubber Technology; Cochin University of Science and Technology; Cochin Kerala 682022 India
| | - Seno Jose
- Department of Chemistry; Government College; Kottayam Kerala 686013 India
| | - Nishar Hameed
- Carbon Nexus, Institute for Frontier Materials, Deakin University, Waurn Ponds Campus; Geelong VIC 3220 Australia
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207
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Nikolic M, Nguyen HD, Daugaard AE, Löf D, Mortensen K, Barsberg S, Sanadi AR. Influence of surface modified nano silica on alkyd binder before and after accelerated weathering. Polym Degrad Stab 2016. [DOI: 10.1016/j.polymdegradstab.2016.02.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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208
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Nguyen HB, Thai TQ, Saitoh S, Wu B, Saitoh Y, Shimo S, Fujitani H, Otobe H, Ohno N. Conductive resins improve charging and resolution of acquired images in electron microscopic volume imaging. Sci Rep 2016; 6:23721. [PMID: 27020327 PMCID: PMC4810419 DOI: 10.1038/srep23721] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 03/14/2016] [Indexed: 11/09/2022] Open
Abstract
Recent advances in serial block-face imaging using scanning electron microscopy (SEM) have enabled the rapid and efficient acquisition of 3-dimensional (3D) ultrastructural information from a large volume of biological specimens including brain tissues. However, volume imaging under SEM is often hampered by sample charging, and typically requires specific sample preparation to reduce charging and increase image contrast. In the present study, we introduced carbon-based conductive resins for 3D analyses of subcellular ultrastructures, using serial block-face SEM (SBF-SEM) to image samples. Conductive resins were produced by adding the carbon black filler, Ketjen black, to resins commonly used for electron microscopic observations of biological specimens. Carbon black mostly localized around tissues and did not penetrate cells, whereas the conductive resins significantly reduced the charging of samples during SBF-SEM imaging. When serial images were acquired, embedding into the conductive resins improved the resolution of images by facilitating the successful cutting of samples in SBF-SEM. These results suggest that improving the conductivities of resins with a carbon black filler is a simple and useful option for reducing charging and enhancing the resolution of images obtained for volume imaging with SEM.
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Affiliation(s)
- Huy Bang Nguyen
- Department of Anatomy and Molecular Histology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo-city, Yamanashi 409-3898, Japan
| | - Truc Quynh Thai
- Department of Anatomy and Molecular Histology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo-city, Yamanashi 409-3898, Japan
| | - Sei Saitoh
- Department of Anatomy and Molecular Histology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo-city, Yamanashi 409-3898, Japan
| | - Bao Wu
- Department of Anatomy and Molecular Histology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo-city, Yamanashi 409-3898, Japan
| | - Yurika Saitoh
- Department of Anatomy and Molecular Histology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo-city, Yamanashi 409-3898, Japan
| | - Satoshi Shimo
- Department of Occupational Therapy, Health Science University, Fujikawaguchiko, Yamanashi 401-0380, Japan
| | | | - Hirohide Otobe
- Asahi Kasei Chemicals Corporation, Kawasaki-city, Kanagawa 210-0863 Japan
| | - Nobuhiko Ohno
- Department of Anatomy and Molecular Histology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo-city, Yamanashi 409-3898, Japan.,Center for Multidisciplinary Brain Research, National Institute for Physiological Sciences, Okazaki, Aichi 444-8787, Japan
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209
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Zhang Z, Tan Y, Wang X, Lin Y, Wang L. Synergetic effects on the mechanical and fracture properties of epoxy composites with multiscale reinforcements: Carbon nanotubes and short carbon fibers. J Appl Polym Sci 2016. [DOI: 10.1002/app.43500] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhongwei Zhang
- College of Field Engineering; PLA University of Science and Technology; Nanjing 210007 China
| | - Yefa Tan
- College of Field Engineering; PLA University of Science and Technology; Nanjing 210007 China
| | - Xiaolong Wang
- College of Field Engineering; PLA University of Science and Technology; Nanjing 210007 China
| | - Yanyan Lin
- College of Field Engineering; PLA University of Science and Technology; Nanjing 210007 China
| | - Lulu Wang
- College of Field Engineering; PLA University of Science and Technology; Nanjing 210007 China
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210
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Li J, An Z, Wang Z, Toda M, Ono T. Pulse-Reverse Electrodeposition and Micromachining of Graphene-Nickel Composite: An Efficient Strategy toward High-Performance Microsystem Application. ACS APPLIED MATERIALS & INTERFACES 2016; 8:3969-76. [PMID: 26812267 DOI: 10.1021/acsami.5b11164] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Graphene reinforced nickel (Ni) is an intriguing nanocomposite with tremendous potential for microelectromechanical system (MEMS) applications by remedying mechanical drawbacks of the metal matrix for device optimization, though very few related works have been reported. In this paper, we developed a pulse-reverse electrodeposition method for synthesizing graphene-Ni (G-Ni) composite microcomponents with high content and homogeneously dispersed graphene filler. While the Vickers hardness is largely enhanced by 2.7-fold after adding graphene, the Young's modulus of composite under dynamic condition shows ∼1.4-fold increase based on the raised resonant frequency of a composite microcantilever array. For the first time, we also demonstrate the application of G-Ni composite in microsystems by fabricating a Si micromirror with the composite supporting beams as well as investigate the long-term stability of the mirror at resonant vibration. Compared with the pure Ni counterpart, the composite mirror shows an apparently lessened fluctuations of resonant frequency and scanning angle due to a suppressed plastic deformation even under the sustaining periodic loading. This can be ascribed to the reduced grain size of Ni matrix and dislocation hindering in the presence of graphene by taking into account the crystalline refinement strengthen mechanism. The rational discussions also imply that the strong interface and efficient load transfer between graphene layers and metal matrix play an important role for improving stiffness in composite. It is believed that a proper design of graphene-metal composite makes it a promising structural material candidate for advanced micromechanical devices.
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Affiliation(s)
| | | | - Zhuqing Wang
- Research Institute for Engineering and Technology, Tohoku Gakuin University , Sendai, 985-8537, Japan
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211
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Tang X, Zhou Y, Peng M. Green Preparation of Epoxy/Graphene Oxide Nanocomposites Using a Glycidylamine Epoxy Resin as the Surface Modifier and Phase Transfer Agent of Graphene Oxide. ACS APPLIED MATERIALS & INTERFACES 2016; 8:1854-66. [PMID: 26720708 DOI: 10.1021/acsami.5b09830] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
In studies of epoxy/graphene oxide (GO) nanocomposites, organic solvents are commonly used to disperse GO, and vigorous mechanical processes and complicated modification of GO are usually required, increasing the cost and hindering the development and application of epoxy nanocomposites. Here, we report a green, facile, and efficient method of preparing epoxy/GO nanocomposites. When triglycidyl para-aminophenol (TGPAP), a commercially available glycidyl amine epoxy resin with one tertiary amine group per molecule, is used as both the surface modifier and phase transfer agent of GO, GO can be directly and rapidly transferred from water to diglycidyl ether of bisphenol A and other types of epoxy resins by manual stirring under ambient conditions, whereas GO cannot be transferred to these epoxy resins in the absence of TGPAP. The interaction between TGPAP and GO and the effect of the TGPAP content on the dispersion of GO in the epoxy matrix were investigated systematically. Superior dispersion and exfoliation of GO nanosheets and remarkably improved mechanical properties, including tensile and flexural properties, toughness, storage modulus, and microhardness, of the epoxy/GO nanocomposites with a suitable amount of TGPAP were demonstrated. This method is organic-solvent-free and technically feasible for large-scale preparation of high-performance nanocomposites; it opens up new opportunities for exploiting the unique properties of graphene or even other nanofillers for a wide range of applications.
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Affiliation(s)
- Xinlei Tang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Yang Zhou
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Mao Peng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
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212
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Wang H, Wu J, Gong K, Hao Q, Wang X, Jiang J, Li Z, Lai G. Design of a nanoporous interfacial SiO2layer in polysiloxane–graphene oxide nanocomposites for efficient stress transmission. RSC Adv 2016. [DOI: 10.1039/c6ra10745a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The formation process of nanoporous surface of GEOS (left), the enhanced mechanical performance for PDMS-OH (right). Nanoporous interfacial layer SiO2is an important contributing factor for enhanced stress transmission between GEO and polysiloxane.
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Affiliation(s)
- Hualan Wang
- Key Laboratory of Organosilicon Chemistry and Material Technology
- Ministry of Education
- Hangzhou Normal University
- Hangzhou
- China
| | - Jirong Wu
- Key Laboratory of Organosilicon Chemistry and Material Technology
- Ministry of Education
- Hangzhou Normal University
- Hangzhou
- China
| | - Kai Gong
- School of Pharmaceutical Science
- Jiangnan University
- Wuxi
- China
| | - Qingli Hao
- Key Laboratory of Soft Chemistry and Functional Materials
- Ministry of Education
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Xin Wang
- Key Laboratory of Soft Chemistry and Functional Materials
- Ministry of Education
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Jianxiong Jiang
- Key Laboratory of Organosilicon Chemistry and Material Technology
- Ministry of Education
- Hangzhou Normal University
- Hangzhou
- China
| | - Zhifang Li
- Key Laboratory of Organosilicon Chemistry and Material Technology
- Ministry of Education
- Hangzhou Normal University
- Hangzhou
- China
| | - Guoqiao Lai
- Key Laboratory of Organosilicon Chemistry and Material Technology
- Ministry of Education
- Hangzhou Normal University
- Hangzhou
- China
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213
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Sun P, Liu G, Lv D, Dong X, Wu J, Wang D. Simultaneous improvement in strength, toughness, and thermal stability of epoxy/halloysite nanotubes composites by interfacial modification. J Appl Polym Sci 2015. [DOI: 10.1002/app.43249] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Pan Sun
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics; Institute of Chemistry, The Chinese Academy of Sciences; Beijing 100190 China
| | - Guoming Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics; Institute of Chemistry, The Chinese Academy of Sciences; Beijing 100190 China
| | - Dong Lv
- Department of Mechanical and Aerospace Engineering; The Hong Kong University of Science and Technology; Hong Kong, China
| | - Xia Dong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics; Institute of Chemistry, The Chinese Academy of Sciences; Beijing 100190 China
| | - Jingshen Wu
- Department of Mechanical and Aerospace Engineering; The Hong Kong University of Science and Technology; Hong Kong, China
| | - Dujin Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics; Institute of Chemistry, The Chinese Academy of Sciences; Beijing 100190 China
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214
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Cano L, Gutierrez J, Tercjak A. Enhancement of the mechanical properties at the macro and nanoscale of thermosetting systems modified with a polystyrene-block-polymethyl methacrylate block copolymer. RSC Adv 2015. [DOI: 10.1039/c5ra21857h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An epoxy-based thermosetting system was modified with varying contents of polystyrene-block-polymethyl methacrylate (PS-b-PMMA) block copolymer by two methods and cured with a 4,4′-methylenebis(3-chloro-2,6-diethylaniline) (MCDEA) curing agent.
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Affiliation(s)
- Laida Cano
- Group ‘Materials + Technologies’
- Chemical Engineering and Environmental Department
- Polytechnic School
- University of the Basque Country (UPV/EHU)
- 20018 Donostia-San Sebastián
| | - Junkal Gutierrez
- Group ‘Materials + Technologies’
- Chemical Engineering and Environmental Department
- Polytechnic School
- University of the Basque Country (UPV/EHU)
- 20018 Donostia-San Sebastián
| | - Agnieszka Tercjak
- Group ‘Materials + Technologies’
- Chemical Engineering and Environmental Department
- Polytechnic School
- University of the Basque Country (UPV/EHU)
- 20018 Donostia-San Sebastián
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