Papers:
Inducing Polymer Interphase Formation in the Composite at Low Nano-Carbon Loading
The nano-carbons used in this work are layered carbon nano-chips that exhibit platelet morphology and are able to slide with respect to each other. Both filled and unfilled poly(vinyl alcohol) (PVA) fibers were studied to [...]
Thermoelectric properties of nanocomposite Bi2Te3 layers prepared by PLD
We present some thermoelectric properties of Bi2Te3 nano-layers of different thickness prepared by Pulsed Laser Deposition such as the thermal conductivity, in-plain electrical conductivity and the Seebeck coefficient. Layers are prepared under various deposition conditions. [...]
Ethylene Vinyl Acetate – Cloisite Nanocomposite Membranes and their Gas Separation Behavior
Ramadan A.R., Esawi A.M.K., Abdel-Hafiz A., Charmette C., Ayral A., The American University in Cairo, EG
The current work aims at understanding the correlation between EVA-montmorillonite clay nanocomposite membrane morphology and gas permeation properties. 5wt% of Cloisite-20A and 30B organoclays were added to EVA having 18wt% vinyl acetate. Nanocomposite membranes were [...]
Strain Tunable Resin and Coating Technology for Next Generation Composites
Leveraging SBIR Technology for Advanced Combatant Craft has created an innovative new resin and coating technology Our patent pending Co-Cure technology allows for shop floor alteration of coating and resin properties. The invention relates to [...]
Extremely Flexible and Stretchable Carbon Nanotube Composites for Conformal Electronic Devices
Landorf C.W., Alford J., Garrison J., Gibbons S., Shih W-S, Leever B.J., Berrigan J.D., Brewer Science, Inc, US
Electronic devices are increasingly being used in products that are not expected to be rigid and flat. Many strategies have been implemented to create electronics that can work under stress and strain that would fracture [...]
Natural polyphenols as pro-ecological antioxidants and pigments for polymer composites
In our studies, we propose the use of natural, pro-ecological substances such as polyphenols to protect elastomers against ageing. This natural compounds were incorporated into ethylene-norbornene (COC-material is commercially available under the name of TOPAS); [...]
Degradability of polymeric composites (ENR/PLA) from renewable resources
In our research, we reported on biodegradable composites exhibiting specificity properties by melt blending of polylactide (PLA), one of the commercially available biodegradable material, and epoxidized natural rubber (ENR). Blending of ENR with different types [...]
Sustainable and high-performable nano-structured biopackaging materials
In the contribution, there will be presented few strategies that we have studied recently for producing of highly-performed rigid or flexible biopackaging materials, being fabricated as mono- or even multi-layers coating films from renewable biopolymers [...]
Fabrication of Thermoplastic Nanocellulose Composite Material
Nanocellulose fibers with the average diameter below 100nm were successfully obtained by a high shear microfluidizer as shown in Figure 1. Their large surface area and nano-scale dimensions can lead to the emerging materials for [...]
New Generation Nanogold and Nanosilver Polymer Composites and Their Applications
A new generation of nanogold and nanosilver polymer composites with polyurethane and nylon, and nanofunctionalised polyurethane paints, have been developed. This novel nanoscience provides the opportunity to impart new functionality to these polymer substrates for [...]
Scale-up of Novel Gold Nanoparticle-Wool Fiber Composites: A Commercialisation Success Story
Nilsson T.W., Johnston J.H., Victoria University of Wellington and MacDiarmid Institute of Advanced Materials and Nanotechnology, NZ
The development of novel nanocomposites of metal nanoparticles and natural fibers has allowed the engineering of flexible materials with the desirable properties of metal nanoparticles for numerous applications. One class of novel nanocomposites uses gold [...]
Using Magnetic Impact Coating Technique to Prepare Carbon Nanotube-Reinforced Polymer Nanocomposites
The combination of high aspect ratio, small size, very low density, and more importantly, excellent physical properties, such as extremely high mechanical strength and stiffness, high electrical and thermal conductivity, make carbon nanotubes (CNTs) perfect [...]
Flame retardant Polypropylene nanocomposites: Catalytic and synergistic effects between maleic anhydride grafted Polypropylene and cobalt nanoparticles
A novel function of polypropylene grafted with maleic anhydride (PP-g-MA) as synergistic additive to effectively reduce the flammability of polypropylene (PP) nanocomposites (PNCs)reinforced with in situ synthesized cobalt (Co)–cobalt oxide core–shell nanoparticles (NPs) was reported.
Novel Aluminum-CNT composites for structural applications
The latest enhancements in the mechanical behaviour of Al-CNT composites achieved by the research group are presented : an increase in tensile strength, indentation hardness and Young’s modulus of 69%, 72% and 23%, respectively. The [...]
Composite of silver nanoparticles in glass nanofibers produced by Laser Spinning
Cabal B., Quintero F., Díaz L.A., Rojo F., Dieste O., Pou J., Torrecillas R., Moya J.S., University of Vigo, ES
In this work we present a new approach to produce a nanocomposite made of non-woven silicate glass fibers containing silver nanoparticles. The process first involves the synthesis of pellets of a soda-lime silicate glass containing [...]
Laser-induced synthesis of hybrid C-Au-Ag nanostructures: nanoparticles, nanoflakes, nanoflowers
Manshina A., Povolotskiy A., Povolotskaya A., Koshevoy I., Tunik S., St. Petersburg State University, RU
Metallic silver-gold nanoparticles (1–5 nm) encapsulated into carbon nanospheres (20–30 nm), or carbon flakes and flowers were synthesized via laser-induced chemical liquid phase deposition. The obtained carbon-silver-gold nanostructures are characterized by high specific surface area [...]
Interlaminar resistive heating behavior of woven carbon fiber composite laminates modified with ZnO nanorods
In this study, the electrical resistive heating of the ZnO/woven carbon fiber composite on the interlaminar region was evaluated. In ZnO/woven carbon fiber composite laminates, the interlaminar region, composed of ZnO nanostructured arrays embedded on [...]
Water-dispersible graphene stabilized by PVA grafted graphene and its poly (vinyl alcohol) nanocomposites
In this study, we synthesized poly (vinyl alcohol) (PVA) functionalized graphene oxide (f-G) by esterification reaction and used this f-G to stabilize the dispersion of graphene in water. Finally, we used the f-G stabilized graphene [...]
Photocatalytic Silver/Silver Halide Polymer Nanocomposites
Recently it has been shown that hybrid silver/silver halide nanoparticles exhibit interesting photocatalytic properties, and are known plasmonic photocatalysts. Enhanced photostability and photocatalysis are observed in the nanoparticles due to the surface plasmon resonance of [...]
Effect of Layer Multiplying Extrusion on the Morphology and Properties of PS/CNT Nanocomposites
Multilayer coextrusion has been used to produce extruded films having up to several thousand alternating layers with individual layer thicknesses ranging from several micrometers to only a few nanometers. In this work, the multilayer coextrusion [...]
Thermomechanical Properties of Epoxy Resin / Carbon Nanotubes / Clay Nanocomposites
Zois H., Patargia E., Kanapitsas A., Stimoniaris A.Z., Delides C.G., Technological Educational Institute Stereas Elladas, GR
The main aim of the present work is to investigate the thermomechanical properties and thermal stability of nanocomposite materials based on epoxy resin matrix reinforced with amine-modified multi-walled carbon nanotubes and clay nanoparticles (Closite 30). [...]
Versatile Polymer-Derived Nanocrystal Microreactors towards Uniform Fluorescent Photonic Crystal Supraballs
In this work, versatile polymer-derived NC microreactors were designed for the first time towards the construction of fluorescence colloidal photonic crystals. The carboxyl-terminated polystyrene colloids were synthesized by seeded copolymerization of AA and HEMA with [...]
Nanomechanical and Morphological Characterizations of Spark Plasma Sintered WC- 5Co-1Cr-3MgO-0.7VC-0.3Cr3C2 Nanocomposite Powders Prepared by Solid-State Mechanical Mixing Technique
WC-Co-based composites possess unique and useful properties that make them desirable materials for wide range of industrial applications such as tips for cutting and drilling tools, wear resistant parts in wire drawing, extrusion and pressing [...]
Block Copolymer Nanocomposites With Mono- And Bioriented Structures
de Sousa Jr. R.R., Amurin L.G., Demarquette N.R., Carastan D.J., Federal University of ABC - UFABC, BR
Block copolymer nanocomposites are materials with interesting structures and properties. The control of their morphology can be obtained during processing, and anisotropic structures may be oriented in one or two directions, affecting both the copolymer [...]
Immobilization of AgZnO photocatalyst in Poly(acrylic acid) matrix and their photocatalytic activity evaluation
The Ag modified Zinc oxide (AgZnO) is a catalyst with increased photocatalytic activity used for degradation of dyes and several organic molecules, in aqueous solution, in contrast to pure ZnO. Nevertheless, its application at pilot [...]
Percolation theory at work – boosting the heat transfer performance of graphitic nanofluids
A plethora of studies have reported high thermal conductivity of nanofluids with high aspect ratio carbon nanoparticles such as graphenes and carbon nanotubes. Although many repot thermal conductivity enhancements in carbonaceous nanofluids there is no [...]
Annealing effect on composition and functional properties of hybrid C-Au-Ag nanoparticles
Manshina A., Povolotskiy A., Povolotskaya A., Koshevoy I., Tunik S., St. Petersburg State University, RU
Here we present an approach to the synthesis of hybrid C-Au-Ag nanoparticles which were found to be 20–30 nm carbon nanospheres containing dispersed Au-Ag bimetallic nanoparticles (1–5 nm). It was found also that C-Au-Ag NPs [...]
Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2014: Graphene, CNTs, Particles, Films & Composites
Published: June 15, 2014
Industry sector: Advanced Materials & Manufacturing
Topics: Advanced Materials for Engineering Applications, Composite Materials
ISBN: 978-1-4822-5826-4