Papers – Page 57 – TechConnect Briefs

Measurement of nanofiller removal by abrasion

Tardif F., Guiot A., Golanski L., CEA-Liten, FR

A strong release limitation of single nanoparticles from the commercial manufactured “nanoproducts” is absolutely necessary to protect the consumers and represents also a pragmatic way to facilitate acceptance for nanomaterial commercialization before obtaining definitive toxicological [...]

Degradation and Nanoparticle Release of Epoxy/Nanosilica Composites Exposed to Solar UV Radiation

Pellegrin B., Nguyen T., Mermet L., Shapiro A., Gu X., Chin J., NIST, US

Nanoparticles are increasingly incorporated in polymers to enhance multifunctional properties. However, polymers are prone to undergo photodegradation under UV exposure, resulting in a liberation of nanoparticles from the polymer nanocomposites during their life cycle. The [...]

Network Aggregation of CNT at the Surface of Epoxy/MWCNT Composite Exposed to UV Radiation

Nguyen T., Pellegrin B., Mermet L., Shapiro A., Gu X., Chin J., NIST, US

CNTs are increasingly incorporated in polymers to enhance their mechanical and other properties. However, organic polymers are prone to degrade under UV radiation. Therefore, CNTs in a polymer nanocomposite will eventually be released into the [...]

Safe nanotextiles from a life cycle perspective

Som C., Halbeisen M., Koehler A., Heuberger M., Empa Materials Science and Technology, CH

The industry aims at taking advantage of the opportunities of new nanomaterials while producing safe products. A dose-effect relationship of the engineered nanoparticles is not clearly established yet. From this viewpoint, the product is only [...]

Fabrication of Bismuth Trioxide Nanoparticles for Gas-Generators Application

Martirosyan K.S., Wang L., Vicent A., Luss D., University of Houston, US

Nanoenergetic materials release significant amount of energy at a higher rate and have a potential for various military applications. These systems lead to a fast propagation of a reaction front through the solid reactant mixtures. [...]

Novel Nanostructures for Solid State Alcohol Breath Analyzers

Tricoli A., Righettoni M., Pratsinis S.E., Swiss Federal Institute of Technology, CH

Solid state alcohol breath analyzers are commonly used by the law enforcement authorities, due to high sensitivity toward ethanol, their portability and fair response and recovery times. Common materials for the synthesis of the sensitive [...]

Novel Flame-Gradient Method for Synthesis of Metal Oxide Nanomaterials

Merchan-Merchan W., Saveliev A.V., Desai M., The University of Oklahoma, US

Various transition metal oxide nanostructures are synthesized using a novel probe-flame gradient method. An opposed flow flame of methane and oxygen enriched air provides a hightemperature reacting environment forming various structures directly on the surface [...]

Flame Spray Pyrolysis for the Production of Nanoparticles

Bishop P., Henderson G., Rajantie H., Thiébaut B., Johnson Matthey Technology Centre, UK

Johnson Matthey is a speciality chemicals company focused on its core skills in catalysts, precious metals and fine chemicals. Johnson Matthey has continued to develop its technology for almost 200 years, demonstrating the company’s ability [...]

Hermetically-Coated Superparamagnetic Fe2O3 Particles with SiO2 Nanofilms

Teleki A., Suter M., Kidambi P.R., Ergeneman O., Krumeich F., Nelson B.J., Pratsinis S.E., ETH Zürich, CH

Magnetic nanoparticles are frequently coated with SiO2 to improve their functionality and bio-compatibility in a range of biomedical and polymer nanocomposite applications. In this paper, a scalable flame aerosol technology is used to produce highly [...]

Spark Plasma Synthesis (SPS) Device for Sintering of Nanomaterials

Jalabadze N., Nadaraia L., Mikeladze A., Chedia R., Kukava T., Khundadze L., Technical University of Georgia, GE

It is known that pieces with nanocrystalline structure condition have much higher performance than those with an ordinary structure. There are number of techniques for manufacturing nanocrystalline materials in powder condition however a question of [...]