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Visible light-curable polymers for biomedical applications

science China Chemistry 2014年第4期57卷 510-521页

作者： ZHOU Di ITO Yoshihiro Emergent Bioengineering Materials Research Team RIKEN Center for Emergent Matter Science Jiangsu Key Laboratory of Advanced Functional Materials School of Chemistry and Material EngineeringChangshu Institute of Technology

Photocurable systems, which offer advantages such as microfabrication and in situ fabrication, have been widely used as dental restorative materials. Because the visible light-curable(VLC) system causes no biological damage, it is popular as a dental material and is being investigated by many researchers for other medical applications. Here, the principle of the VLC system is explained and recent progress in key components including photoinitiators, monomers, macromers, and prepolymers is discussed. Finally, biomedical applications for drug delivery and soft tissue engineering are reviewed. Considering the recent development of VLC systems, its importance in the field of medical applications is expected to continue to increase in the future.

关键词： visible light photocuring photoinitiator polymer biomedicine

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Acoustic-Absorbing Property of Puncture-Resisting Textile Wall Coverings composites

Acoustic-Absorbing Property of Puncture-Resisting Textile Wa...

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2015 International Conference on Intelligent Materials and Manufacturing Engineering (IMME 2015)

作者： Ting Ting Li Ching Wen Lou Jia Horng Lin School of Textiles Tianjin Polytechnic University Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials Tianjin Polytechnic University Institute of Biomedical Engineering and Materials Science "Central Taiwan University of Science and Technology" Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite MaterialsFeng Chia University School of Chinese Medicine "China Medical University" Department of Fashion Design Asia University

This study purposes to investigate acoustic absorbing and puncture resisting properties of wall covering composites with different number of layers, and then to construct prediction model of acoustic absorption coefficient. Puncture resistance linearly increases but maximum absorption coefficient shifts to lower frequency with number of *** acoustic absorbing property of wall covering composites presents porous acoustic-absorbing characteristic, and its prediction model correlates with critical frequency and maximum absorption coefficient. The resulting coverings have excellent puncture resistance and acoustic absorbing properties.

关键词： Wall coverings Puncture resistance Acoustic absorption Model prediction

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The AFLOW fleet for materials discovery

arXiv

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arXiv 2017年

作者： Toher, Cormac Oses, Corey Hicks, David Gossett, Eric Rose, Frisco Nath, Pinku Usanmaz, Demet Ford, Denise C. Perim, Eric Calderon, Camilo E. Plata, Jose J. Lederer, Yoav Jahnátek, Michal Setyawan, Wahyu Wang, Shidong Xue, Junkai Rasch, Kevin Chepulskii, Roman V. Taylor, Richard H. Gomez, Geena Shi, Harvey Supka, Andrew R. Al Orabi, Rabih Al Rahal Gopal, Priya Cerasoli, Frank T. Liyanage, Laalitha Wang, Haihang Siloi, Ilaria Agapito, Luis A. Nyshadham, Chandramouli Hart, Gus L.W. Carrete, Jesús Legrain, Fleur Mingo, Natalio Zurek, Eva Isayev, Olexandr Tropsha, Alexander Sanvito, Stefano Hanson, Robert M. Takeuchi, Ichiro Mehl, Michael J. Kolmogorov, Aleksey N. Yang, Kesong D'Amico, Pino Calzolari, Arrigo Costa, Marcio De Gennaro, Riccardo Nardelli, Marco Buongiorno Fornari, Marco Levy, Ohad Curtarolo, Stefano Department of Mechanical Engineering and Materials Science Duke University DurhamNC27708 United States Center for Materials Genomics Duke University DurhamNC27708 United States Departamento de Química Física Universidad de Sevilla Sevilla41012 Spain Department of Physics NRCN P.O. Box 9001 Beer-Sheva84190 Israel Department of Materials Science and Engineering Massachusetts Institute of Technology MA02139 United States Department of Physics and Science of Advanced Materials Program Central Michigan University Mount PleasantMI48859 United States Science of Advanced Materials Program Central Michigan University Mount PleasantMI United States Solvay Design and Development of Functional Materials Department AXEL'ONE Collaborative Platform - Innovative Materials Saint Fons Cedex69192 France Department of Physics Department of Chemistry University of North Texas DentonTX76203 United States Department of Physics and Astronomy Brigham Young University ProvoUT84602 United States Institute of Materials Chemistry TU Wien ViennaA-1060 Austria Universite e Grenoble Alpes Grenoble38000 France CEA LITEN 17 Rue des Martyrs Grenoble38054 France Department of Chemistry State University of New York at Buffalo BuffaloNY14260 United States Laboratory for Molecular Modeling Division of Chemical Biology and Medicinal Chemistry UNC Eshelman School of Pharmacy University of North Carolina Chapel HillNC27599 United States School of Physics AMBER and CRANN Institute Trinity College Dublin 2 Ireland Department of Chemistry St. Olaf College NorthfieldMN55057 United States Center for Nanophysics and Advanced Materials University of Maryland College ParkMD20742 United States Department of Materials Science and Engineering University of Maryland College ParkMD20742 United States United States Naval Academy AnnapolisMD21402 United States Department of Physics Binghamton University State University of New York BinghamtonNY13902 United States Depart

The traditional paradigm for materials discovery has been recently expanded to incorporate substantial data driven research. With the intent to accelerate the development and the deployment of new technologies, the AFLOW Fleet for computational materials design automates high-throughput first principles calculations, and provides tools for data verification and dissemination for a broad community of users. AFLOW incorporates different computational modules to robustly determine thermodynamic stability, electronic band structures, vibrational dispersions, thermo-mechanical properties and more. The AFLOW data repository is publicly accessible online at ***, with more than 1.7 million materials entries and a panoply of queryable computed properties. Tools to programmatically search and process the data, as well as to perform online machine learning predictions, are also available. Copyright © 2017, The Authors. All rights reserved.

关键词： Calculations

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Preliminary Study of Puncture-Resisting Needle-Punched 3D composites with Varying Reinforcements

Preliminary Study of Puncture-Resisting Needle-Punched 3D Co...

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2015 International Conference on Intelligent Materials and Manufacturing Engineering (IMME 2015)

作者： Jia Horng Lin Ting Ting Li Mei Chen Lin Jan Yi Lin Ching Wen Lou Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite MaterialsFeng Chia University School of Chinese Medicine "China Medical University" Department of Fashion Design Asia University School of Textiles Tianjin Polytechnic University Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials Tianjin Polytechnic University Institute of Biomedical Engineering and Materials Science "Central Taiwan University of Science and Technology"

Logistics industry becomes the mainstream with promotion of life quality. The selection of delivery type and aging is subjected to limitations of packaging materials. In order to protect from product's damage, this study purposes to use recycled high-strength fibers, including high-strength PET fiber, and Kevlar fibers, and thermal bonding PET fiber as well as glass fabric forming needle-punched 3D composite. For comparison of varying reinforcement on mechanical property, thermal bonding and water polyurethane impregnation are used to reinforce the 3D composite which is composed of nonwoven fabrics and glass fabrics. Result shows that, mechanical property from water polyurethane impregnation displayed much higher than that from thermal bonding. Thermal bonding remarkably improved burst strength and static puncture resistance. Therefore, 3D composite impregnated with water polyurethane reaches higher puncture protection level.

关键词： Kevlar fibers 3D composite Packaging materials

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Carbon-Fabric Reinforced PP/Graphene Nano-Sheets Nanocomposites: Preparation and Performance Evaluation

Carbon-Fabric Reinforced PP/Graphene Nano-Sheets Nanocomposi...

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2015 International Conference on Intelligent Materials and Manufacturing Engineering (IMME 2015)

作者： Jia Horng Lin Chih Kuang Chen Chien Lin Huang Ssu Chieh Huang Ching Wen Lou Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite MaterialsFeng Chia University School of Chinese Medicine "China Medical University" Department of Fashion Design Asia University School of Textiles Tianjin Polytechnic University Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials Tianjin Polytechnic University Institute of Biomedical Engineering and Materials Science "Central Taiwan University of Science and Technology"

This study uses graphene nano-sheets(GNs)as filling materialand PP as base materialto prepareP P/GNsnanocomposites using melt compounding. In order to compensate tensile property of PP/GNs nanocomposites,carbon-fiber woven fabrics(CFW) were stacked with the PP/GNsnanocompositesusing compression molding forming PP/GNs/CFWnanocomposites. DSC, Tensile, SEMand EMI shielding effectiveness(SE) of nanocomposites are evaluated *** displays that, after addition of carbon fabric into PP/GNsnanocomposites, tensile strength were reinforced significantly, and EMI shielding frequency became *** resulting nanocomposites successfully applied in high temperature at around 160℃.

关键词： Graphene nano-sheets(GNs) Nanocomposites Compression molding Tensile property EMI shielding

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Effects of bicarbonate and cathode potential on hydrogen production in a biocathode electrolysis cell

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Frontiers of Environmental science & Engineering 2014年第4期8卷 624-630页

作者： Dawei LIANG Yanyan LIU Sikan PENG Fei LAN Shanfu LU Yan XIANG Key Laboratory of Bio-lnspired Smart Interfacial Science and Technology of Ministry of Education School of Chemistry & Environment Beihang University Beijing 100191 China Beijing Key Laboratory for Advanced Functional Materials and Thin Fihn Technology Beihang University Beijing 100191 China

A biocathode with microbial catalyst in place of a noble metal was successfully developed for hydrogen evolution in a microbial electrolysis cell （MEC）. The strategy for fast biocathode cultivation was demonstrated. An exoelectrogenic reaction was initially extended with an H2-full atmosphere to enrich Ha-utilizing bacteria in a MEC bioanode. This bioanode was then inversely polarized with an applied voltage in a half-cell to enrich the hydrogen-evolving biocathode. The electrocatalytic hydrogen evolution reaction （HER） kinetics of the biocathode MEC could be enhanced by increasing the bicarbonate buffer concentration from 0.05 mol·L-1 to 0.5 mol· L-1 and/or by decreasing the cathode potential from -0.9 V to - 1.3 V vs. a saturated calomel electrode （SCE）. Within the tested potential region in this study, the HER rate of the biocathode MEC was primarily influenced by the microbial catalytic capability. In addition, increasing bicarbonate concentration enhances the electric migration rate of proton carriers. As a consequence, more mass H＋ can be released to accelerate the biocathode-catalyzed HER rate. A hydrogen production rate of 8.44 m3. m 3. d1 with a current density of 951.6 A. m-3 was obtained using the biocathode MEC under a cathode potential of - 1.3 V vs. SCE and 0.4 mol· L-1 bicarbonate. This study provided information on the optimization of hydrogen production in biocathode MEC and expanded the practical applications thereof.

关键词： microbial electrolysis cell （MEC） biocathode hydrogen production bicarbonate cathode potential

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Characteristics of temperature field distribution of cement preclinkering technology

Characteristics of temperature field distribution of cement ...

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The 14th International Congress on the Chemistry of Cement (ICCC 2015)第14届国际水泥化学大会

作者： XU Xun Wang Lan State Key Laboratory of Green Building Materials China Building Materials Academy No.1 Guanzhuang Dongli Chaoyang District Beijing 100024 China Country State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials Southwest University of Science and Technology Mianyang Sichuan 621010 PR China

If the temperature of materials to feed into rotary kiln is increased from 900℃ to 1000~1200℃, both the solid-phase reaction and liquid-phase reaction took palace in the kiln will be significant *** other words, the above process of enhancing the calcinations for the raw meal in the calciner takes advantages of the efficient heat transfer under the suspension state, and thé resultsare certificated to help increase the clinker production *** calcination condition comparison, this paper studied characteristics of temperature field distribution of rotary kiln of cement preclinkering-t(e)chnology *** results are found by system *** L/D kiln type of preclinering technology can obtain more stable temperature field calcining *** highest solid temperature of preclinkering technology is higher than 80℃, and high temperature region (>1450 ℃) length is 2 times, which is good for clinker burning and higher clinker quality.

关键词： cement preclinkering technology temperature distribution kiln production energy consumption

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Photoreactive polymers for microarray chips

RSC Smart Materials

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RSC Smart Materials 2015年第13期2015-January卷 134-149页

作者： Zhou, Di Sivakumar, Ponnurengam Malliappan Son, Tae Il Ito, Yoshihiro Emergent Bioengineering Materials Research Team RIKEN Center for Emergent Materials Science 2-1 Hirosawa Wako Saitama Japan Jiangsu Key Laboratory of Advanced Functional Materials School of Chemistry and Material Engineering Changshu Institute of Technology Jiangsu China Nano Medical Engineering Laboratory RIKEN Advanced Science Institute 2-1 Hirosawa Wako Saitama Japan Department of Biotechnology Chung-Ang University Anseong Korea Republic of

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Effect of boron-catalyzed graphitization on the mechanical properties and microstructure of carbon fibers

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Carbon 2015年 93卷 1081-1082页

作者： Hui-qi Wang Quan-gui Guo Zhan-jun Liu Tao Han Zhi-hai Feng Lang Liu School of Materials Science and Engineering North University of China Taiyuan 030051 China Key Laboratory of Carbon Materials Institute of Coal Chemistry Chinese Academy of Sciences Taiyuan 030001 China National Key Laboratory of Advanced Functional Composites Materials Aerospace Research Institute of Material and Processing Technology Beijing 100076 China

Boron-catalyzed graphitization of carbon fibers was conducted in a boron-doped graphite crucible at 2000 °C, in which boron diffused from the crucible to the carbon fibers to act as the catalyst. The microstructures, boron contents and mechanical properties of the resulting carbon fibers were characterized by Raman spectroscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy and mechanical tests. Results indicate that boron has a significant impact on the fiber microstructure. Raman spectra indicate the presence of distortions in the graphitic layers. The tensile modulus of boron-doped carbon fibers obviously increases with boron content and the tensile strength is also higher than that of the original carbon fibers at boron concentrations between 0.58 and 0.68 at.%. [New Carbon Materials 2015, 30(2): 122–127]

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Synthesis and characterization of fluorinated alkyl substituted disiloxane

Synthesis and characterization of fluorinated alkyl substitu...

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3rd International Conference on Mechanical Automation and Materials Engineering, ICMAME 2014

作者： Xi, Qing Chuan Cao, Ke Huang, Ya Wen Chang, Guan Jun Yang, Jun Xiao State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials School of Material Science and Engineering Southwest University of Science and Technology Mianyang 621010 China

ISBN: (纸本)9783038350941

Alkyl substituted disiloxanes demonstrated promising applications as high performance hydraulic oil, diffusion pump oil, etc. In this study, fluorinated alkyl substituted disiloxane was synthesized via Grignard reaction followed by condensation reaction. Its chemical structure was verified by FTIR and NMR. Measurement results showed that this silicon oil exhibited good high temperature performance, oxidation resistance and rust resistance. © (2014) Trans Tech Publications, Switzerland.

关键词： Condensation reactions

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