Papers – Page 64 – TechConnect Briefs

Biocompatible Nanomembranes based on PEGylation of Cross-Linked Self-Assembled Monolayers

Meyerbroeker N., Eck W., Zharnikov M., University of Heidelberg, DE

We present a novel ultrathin and biocompatible membrane based on highly cross-linked and subsequently PEGylated self- assembled monolayers. These layers can be removed from their substrates and freely suspended over TEM grids. Possible applications of [...]

Graphene Nanoplatelet Membranes for Aerospace Applications

Rawal S., Ravine J., Czerw R., Lockheed Martin Space Systems Company, US

Graphene nanoplatelets (GNP), conceptually described as unrolled carbon nanotubes, exhibit attractive properties including the highest thermal conductivity known and twice the surface area of carbon nanotubes. By blending with a minimal ratio of carbon nanotubes [...]

Nano-Scale Surface Coatings

Coulson S., P2i Ltd, UK

P2i has a commercial, patented process that applies functional nano-coatings onto the surfaces of products made from a range of materials. One successful functional property is water and oil resistance. The treatment effectively lowers the [...]

Super-Hydrophobic Nano-Composite Films

Helmrich F., Integrated Surface Technologies, US

An improved super-hydrophobic nano-composite film protects cell phones and other portable electronics from accidental exposure to water or other liquids. The printed circuit boards, the connectors and the batteries are coated. Perfect electrical contact is [...]

Adhesion strength and superhydrophobicity in polyurethane/organoclay nanocomposites

Steele A., Bayer I., Yeong Y.H., Loth E., University of Virginia, US

Polyurethane coatings are used on many different materials and in a wide variety of applications due to its high durability and adaptable chemical composition. Although there are a number of reports on the fabrication of [...]

Rendering superhydrophobic laser-induced rough surfaces by transfering on them Teflon nanoparticles

Athanassioua A., Bayer I., Brandi F., Cingolani R., Istituto Italiano di Tecnologia, IT

In this work we demonstrate the possibility to alter the wettability properties of silicon/SiO2 surfaces, by UV nanosecond pulsed laser irradiation, to render them initially superhydrophilic. By varying the laser fluence, it is possible to [...]

Coatings of Polymers with TiO2 Nanoparticles by Sonochemical Method

Perkas N., Gedanken A., Bar-Ilan University, IL

The TiO2 films due to their photocatalytic properties are widely used for coating of polymers to impart them with the self cleaning properties. Although the titania films were thoroughly studied earlier the development of simple [...]

Selective Separation of Oil from Water via Superhydrophobic Magnetic Foams

Fragouli D., Bayer I., Bertoni G., Calcagnile P., Anyfantis G.C., Cingolani R., Athanassiou A., Italian Institute of Technology, IT

We demonstrate an inexpensive and very facile technique, of forming magneticaly actuated superhydrophobic/superoleophilic foams. Specifically, a simple commercial polyurethane foam is used as a substrate on which a small amount of toluene solution containing colloidal [...]

Impact of Temperature and Humidity on Superhydrophobicity of Polyurethane/Organoclay Nanocomposites

Yeong Y.H., Steele A., Bayer I., Lakeman C., De Combarieu G., Loth E., University of Virginia, US

Recent preliminary investigations show that superhydrophobic coatings have the capability to reduce both ice accumulation and adhesion on a surface. Although there are recent studies of anti-icing superhydrophobic surfaces, the authors are not aware of [...]

Nano-structured Organically Modified Silica Thin Films for Functional Surfaces

Bayindir M., Yildirim A., Budunoglu H., Yaman M., Deniz H., Guler M.O., Bilkent University, TR

Organically modified silica (ormosil) nano-composites are unique materials that offer best of the both of organic polymers and inorganics, like mechanical flexibility together with good chemical durability [1]. Nano-porosity adds these hybrid materials extra-functionality (e.g., [...]