Nanocomposites – TechConnect Briefs

Solid State and Template Free Synthesis of a Nanotubular Polyaniline-TiO2 Composite

Bonnot K., Grandcolas M., Keller V., Spitzer D., ISL-CNRS, FR

Our work report on the synthesis of a novel polyaniline-titania tubular composite at nanoscale. Significant new accomplishments relies on the synthesis of polyaniline-TiO2 composite nanotubes, as up to now most researchs in this field reported [...]

Synthesis and Characterization of Alginate-Based Magnetic Nanocomposite

Luna-Pineda T., Román-Velázquez F., University Of Puerto Rico at Mayaguez, PR

Our work addressed the development of a multi-purpose sorbent consisting of magnetite (Fe304) nanoparticles functionalized by dimercaptosuccnic acid (DMSA) and dispersed into porous calcium alginate beads (CAB). The resultant magnetic nanocomposite (MO-CAB) can be considered [...]

Overview of Polymer Nanocomposites as Dielectrics and Electrical Insulation Materials for Large High Voltage Rotating Machines

Han Z., Garrett R., Siemens Energy, US

This is an overview paper to talk about the potential application of Polymer Nanocomposites as Dielectrics and Electrical Insulation Materials for Large High Voltage Rotating Machines. The progress, advantages, limitations, and current problems of using [...]

Novel Metal Nanowire/Polymer Nanocomposites for Electromagnetic Interference Shielding

Gelves G.A., Al-Saleh M.H., Sundararaj U., University of Alberta, CA

Novel Polymer Nanocomposites containing high aspect ratio metal nanowires with outstanding potential for Electromagnetic Interference applications will be introduced in this presentation. The development and characterization of these novel materials will be presented. Processing-structure-property relationships [...]

Novel Carbon Nanotube-Biomedical Polymer Composite Platforms for Bioelectrochemical Applications

Ounnunkad S., Minett A.I., Fleming B.D., Bond A.M., Wallace G.G., University of Wollongong, AU

The construction and the electrochemical characteristics of novel freestanding biomedical polymer-single walled carbon nanotube (SWCNT) nanocomposite electrode, formed via an intercalation process have been described. The intercalating polymer reinforces the Buckypaper to provide sufficient strength [...]

Multifunctional Electrodes Based on MWNTs Sheets and Yarns

Carretero-González J., dela Cruz M.E., Fang S., Ferraris J.P., Baughman R.H., The University of Texas at Dallas, US

Solid-state fabricated carbon MWNTs sheets and yarns exhibit very high electrochemically accessible surface area, which combine with their high electronic conductivity and useful mechanical properties to make these materials attractive candidates for supercapacitor and artificial [...]

Multi-Scale Modeling of Polymer Nanocomposites

Adam L., Delaere K., Gérard J.-S., Assaker R., Doghri I., Kaszacs M., eXstream engineering S.A., BE

Due to the small size of nano-inclusions, their surface becomes an important factor determining the composite properties. For “microcomposites” (with inclusions larger than one micron) it is often sufficient to consider the phases’ bulk properties, [...]

Obtaining Fracture Properties by Virtual Testing and Molecular Dynamics Techniques

Farahmand B., Odegard G.M., TASS INC, US

Fracture critical parts of aerospace structures must have adequate life to withstand the cyclic load environment throughout their service usage. The life analysis of these parts requires having fracture mechanics allowables that are obtainable through [...]

Extraction of Bulk Material Properties from Phonon Dispersion Spectra

Kumar N., Pochiraju K., Stevens Institute of Technology, US

Experimental characterization of mechanical behavior of nanostructures can be cumbersome and expensive. Design of nano-structured materials with properties tailored to meet macro-scale requirements invariably requires model-based understanding of the structure-to -property relationships. In this effort, [...]

Determination of Elastic and Thermal Properties of Nanocomposites by Fiber Embedment in Finite Elements

Spanos P.D., Esteva M., Akin J.E., Rice University, US

In this paper the impact of entangled and non-straight fibers in the determination of the effective elastic and thermal properties of polymer nanocomposite (PNC) is addressed. Most of the models in recent studies assume nanotubes [...]

ROMP of norbornene catalysed by Grubbs functionalized carbon nanotubes

Longo P., Costabile C., Grisi F., Siniscalchi G., Ciambelli P., Sarno M., Leone C., Sannino D., University of Salerno, IT

Recently, carbon nanotubes have attracted attention for their unique structural and electronic properties, which position them as one of the leading materials for a wide array of potential nanotechnological applications. The synthesis of homogeneuos polymeric [...]

Nano-Engineered Dielectrics for Energy Storage Solutions

Badi N., Bensaoula A., University of Houston, US

We present a novel laser processing technique to produce nanodielectric films, which are based on polymer coated metal nanoparticles. The polymer-coated Au NP composite was spin-coated onto a nickel foil serving as the bottom electrode [...]

Using Nanoparticles and Carbon Nanotubes to Enhance the Properties of a Lead-free Solder

Nai S.M.L., Han Y.D., Jing H.Y., Tan C.M., Wei J., Gupta M., Singapore Institute of Manufacturing Technology, SG

Solders are used in various levels of electronic assembly sequence, whereby good electrical, thermal and mechanical performances of solder are necessary. With miniaturization of devices, diverse functional requirements and ever-stricter operating environments of devices, the [...]

Rheology, Microstructure, and Property of Polylactide/Clay Nanocomposites Prepared with SC-CO2 by Melt Compounding

Jiang G., Chen Z.K., Huang H.X., South China University of Technology, CN

The rheology, microstructure and mechanical properties of polylactide (PLA)/clay nanocomposites were investigated. The nanocomposites were prepared using a twin screw extruder with and without the aid of supercritical carbon dioxide. Results show that there exists [...]

Permittivity of BaTiO3 polymer composite with differing particle size distribution

Schumacher B., Geßwein H., Hanemann T., Haußelt J., Forschungszentrum Karlsruhe GmbH, DE

In previous works the authors presented the possibility to raise the permittivity of polyester-reactive-resin composite materials by using thermal treatment steps to optimize the crystal structure of a nano-powder before incorporating it into the composite. [...]

Properties of a Newly Developed Carbon-Aluminum Nanocomposite

Yang M., Novak J., Fink R., Brookover J., Jiang N., Applied Nanotech, Inc., US

A unique carbon-based metal nanocomposite comprised of 80% carbonaceous matrix and a dispersed metal component of 20% aluminum material, represents a culmination of efforts in material science and manufacturing processes focused on the advancement of [...]

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