Papers:
Non-conductive ferromagnets based on core double-shell nanocomposites for radio-electric applications
Takacs H., Viala B., Hermán V., Tortai J.-H., Duclairoir F., Alarcon Ramos J., Jouneau P.-H., Okuno H., Tallec G., CEA, FR
We report a novel flexible nanotechnology for consumer product engineering as a complementary approach from solid-state manufacturing techniques based on metallic nanoparticles and graphene chemistries. We describe two chemical routes for producing closely-packed disordered assemblies [...]
Preparation of a Flexible Microfluidic Chip Device with MMT/PEG Hydrogel Nanocomposite Molds for Nanobio-chip Applications
Kim G.M., Kim Y.H., Woo Y., Jung J., Choi J-R, Kim G.M., Kim Y.H., Kang B.K., Sohn J-W, Daegu-Gyeongbuk Medical Innovation Foundation, KR
A thin and flexible microfluidic chip device using microstructured montmorillonite (MMT) reinforced polyethylene glycol (PEG) nanocomposite molds has been presented to apply miniaturized nanobio-chips. Biocompatible PEG hydrogel with 1-2 wt.% of MMT was used to [...]
Thermal conductivity model for polymer/Boron Nitride nanocomposite considering air void content
Polymer/Boron Nitride (BN) nanocomposite is promising interfacial material for cooling of electronic systems. It is important to determine percolation threshold when it practically uses in the industry. But, the exact prediction with existing model is [...]
Surface Hydrophobization of Micro- and Nanofibrillated Cellulose and Blending Property in PLA Nanocomposites
Cellulose fibers are advantageous reinforcing materials for bio-based composites because of their availability and good mechanical properties. Several chemical processes have been developed to turn the native fibers into micro- (MFC) or nanofibrillated (NFC) cellulose [...]
Increased Heat Transfer through Dropwise Condensation on a Bio-inspired Superhydrophobic-Hydrophilic Surface
Mondal B., Mac Giolla Eain M., Xu Q.F., Egan V., Punch J., Lyons A.M., City University of New York, US
Condensation of water vapor is an essential process in power generation, water collection, and thermal management. Because of the high surface energy of the metal surfaces, filmwise condensation of water vapor occurs, forming a static, [...]
Copper/CNT composite materials with enhance mechanical and termal properties
With their huge mechanical, thermal and electrical properties, carbon nanotubes are good candidates as reinforcements in material composites. However, such materials are not easy to elaborate and several problems occurred such as the dispersion of [...]
Effect of ZrO2 Additives on the Nanomechanical Properties of Spark Plasma Sintered 93WC/7-xCo/xZrO2-2mol% Y2O3 Powders Prepared by High-Energy Ball Milling
El-Eskandarany M.S., Al-Hazza A., Al-Hajji L., Alduweesh A., Ahmed S., Al-Rowayeh A., Kuwait Institute for Scientific Research, KISR, KW
A high-energy ball milling technique was employed to prepare ultrafine cemented carbide nanocomposite powders with compositions (wt.%) of 93WC/7-xCo/xZrO2-2mol% Y2O3 powders (x=0, 1, 2, 3, 4, 5, 6, 7 wt%). The nanocomposite powders obtained after [...]
The Use of Nano Fillers in Silicone Rubber Composites for High Voltage Insulators
Since some years ago, polymer compositions have been used for outdoor electrical insulation applications as an alternative to inorganic materials such as porcelain and glass. The organic compositions are based on silicone rubber (SiR) and [...]
Influence of CNT concentrations to polyurethane / multi-walled carbon nanotube composites on the thermoelectric performance
In this paper, we investigated the possibility of applying polyurethane in thermoelectric application, and the influence of MWNT concentrations to polyurethane / multi-walled carbon nanotube composites on the thermoelectric performance. Polyurethane was used as the [...]
Thermodynamic/heat transfer of n-eicosane in silica nano-porous materials
This study mainly involved the fabrication of n-eicosane/silica nanocomposite and modeling of combined thermodynamic/heat transfer based on the prepared composite structure and measured thermo-physical data. we performed combined thermodynamic/heat transfer analysis to obtain the total [...]
Preparation and mechanical properties of fiber-reinforced silica aerogels and its phase change nanocomposite
The present study is devoted to the investigation of mechanical properties of fiber-reinforced silica aerogels and composite phase change materials. We firstly reported our study on the preparation process of fiber-reinforced silica aerogels and PCM/silica [...]
High-Density Carbon Nanostructured Papers with Superior Conductive and Mechanical Properties
The randomly oriented carbon nanotubes have exhibited substantially lower electrical and thermal conductivities than anticipated. In this work high density CNS-based BPs have been fabricated successfully using aligned carbon nanostructure and the anionic surfactant NaDDBS. [...]
Generating Functionalized Nanocabons and Polymer Nanocomposites in Poly(phosphoric acid)
Inorganic acids such as HNO3, HCl, H2SO4 are commonly used to remove catalyst residues and carbonaceous impurities from carbon nanotubes and nanofibers. Under more forcing conditions, oxidizing nitric acid is known to “cut” the CNT [...]
Polymer Nanocomposites Incorporating Boron Nitride Nanotubes
Jakubinek M.B., Martinez-Rubi Y., Ashrafi B., Guan J., Kim K.S., O’Neill K., Kingston C.T., Simard B., National Research Council Canada, CA
Boron nitride nanotubes (BNNTs) are structurally analogous to carbon nanotubes (CNTs) and possess equally impressive mechanical properties along with a different set of multifunctional properties including higher thermal stability than CNTs, wide band gap, electrical [...]
Nanocomposite optimization using polymer-wrapped carbon nanofibers
Papantonakis M.R., Barbano M.E., Ou W., Gorzkowski E.P., McGill R.A., US Naval Research Laboratory, US
We present results for carbon nanofibers modified by physisorption with a range of polymer modifiers and then dispersed in different polymeric hosts with mechanical advantage and other applications in mind. In contrast to covalent bonded [...]
Investigating Environmental Weathering of CNF/CNT/ Thermoplastic Polymer Synthesized using Additive Manufacturing
Additive manufacturing (aka, 3D printing) is an emerging technology for making a new class of multifunctional nanocomposites for many niche items such as medical implants, and a wide range of industrial designed components. Additive manufacturing [...]
Conductive Ppy-DS/Fe-MMT Layered Nanocomposites
Conductive polypyrrole/montmorillonite (Ppy/MMT) nanocomposites were synthesized by the in-situ polymerization of Ppy in the gallery of MMT layers. The constrained environment of the interlayer gallery of clay host is expected to serve as a template [...]
Fluorescent-Plasmonic Quantum Dot-Gold based Nanohybrids: Basic Research for Next Generation Materials and Tracking of Biological Events
Merkl J.-P., Schmidtke C., Aldeek F., Safi M., Strelow C., Feld A., Kloust H., Heidari H., Bals S., Lange H., Mattoussi H., Weller H., University of Hamburg, DE
A novel hybrid nanoparticle is presented based on encapsulated fluorescent CdSe/ZnSe/ZnS core/shell/shell quantum dots (QDs) with zwitterionic capped gold nanoparticles (AuNPs). This hybrid is fully characterizes by variouse techniques including optical spectroscopy, (cryo) transmission electron [...]
Structure and Mechanical Properties of Cr(Al)N/Al2O3 Nanocomposite Hard Coatings Fabricated by Differential Pumping Cosputtering
Analytical electron microscopy revealed the structure of Cr(Al)N/Al2O3 nanocomposite coatings prepared on the Si substrate rotated at a speed as high as 12 rpm in a differential pumping cosputtering system(DPCS). The main layer that sputter-deposited [...]
In Vitro Assessment of a Novel Cancer Therapy Combining Drug Loaded Magnetic Nanoparticles and Magnetic Hyperthermia
We propose to develop a novel combination therapy for prostate/breast treatment by combining two treatment modalities (hyperthermia therapy and chemotherapy) into one using MCaP nanoparticles (NP) system. Our proposed MCaP NPs possess unique properties, including: [...]
Peering into polymer dynamics in carbon nanocomposites
Ashkar R., Bertrand C., Abdulbaki M., Tyagi M., Faranone A., Butler P., Krishnamoorti R., National Institute of Standard and Technology, US
Carbon nanocomposites have received significant attention owing to the unique properties of carbon nanoparticles. However, the promised enhancement in carbon nanocomposites has not been fulfilled yet. Lately, there has been a growing consensus that material [...]
Analytical system capable of rapidly quantifying food-borne pathogen for food safety and public health
Cost-effective and easy-to-use biosensor was developed for the rapid quantification and monitoring of Escherichia (E.) Coli O157:H7 in sample using E. Coli O157:H7 aptamer, graphene oxide (GO)/iron nanocomposites, and guanine chemiluminescence detection. E. Coli O157:H7 [...]
Journal: TechConnect Briefs
Volume: 1, Advanced Materials: TechConnect Briefs 2015
Published: June 14, 2015
Industry sector: Advanced Materials & Manufacturing
Topic: Composite Materials
ISBN: 978-1-4987-4727-1