composite – Page 4 – TechConnect Briefs

Carbon Based Dimensional Composites

Loomis J., King B., Panchapakesan B., University of Louisville, US

Dimensional dependence of mechanical response in carbon nanostructure composites to near-infrared (NIR) light are reported. Using polydimethylsiloxane, composites were fabricated with one-dimensional multi-wall carbon nanotubes (MWCNTs), two dimensional single-layer graphene, two and a half-dimensional graphene [...]

Computer Simulation of Graphene-Metal Composite Induced by Radiation

Ilyin A.M., Beall G.W., Texas State University, US

In this paper we have submitted some results of computer simulation and calculations based on the density functional theory of the energy and structural characteristics of some possible kinds of stable complex structural defects in [...]

Preparation and Characterization of Antibacterial TiO2/Poly[acrylamide-co-(acrylic acid)] Composite Hydrogel

Boonpavanitchakul K., Yiamsawas D., Kangwansupamonkon W., National Nanotechnology Center, National Science and Technology Development Agency, TH

A photocatalytically antibacterial TiO2/poly[acrylamide-co-(acrylic acid)] composite hydrogel from acrylamide (AAm) and acrylic acid (AAc) comonomers was prepared by free-radical aqueous polymerization using N,N’-methylenebisacrylamide (N-MBA) as a crosslinker, ammonium persulfate (APS) as an initiator, and Degussa [...]

Enhancing mechanical properties of epoxy resin while reducing viscosity using “liquid nano-reinforcement”

Zhong K., Washington State University, US

Graphitic carbon nanofibers (GNFs) were first made into a “liquid nano-reinforcement” (LNR) that is composed of reactive nanofibers (r-GNFs) and an epoxy diluent through chemically reacting the functionalized GNFs with the diluents. Due to the [...]

Silver Chloride – Wool Nanohybrid Materials: Synthesis and Properties

Johnston J.H., Kelly F.M., Victoria University of Wellington, NZ

The development and characterisation of a new nanowool hybrid material formed by functionalising merino wool with silver chloride nanoparticles is presented. The nanoparticles are formed directly on the surface and inside the wool fibre. Initially [...]

Effect of Size on Properties of Nano-Structured Polymers –Transition from Macroscaling to Nanoscaling

Lem K.W., Haw J.R., Lee D.S., Brumlik C., Sund S., Curran S., Smith P., Brauer S., Schmidt D., Konkuk University, KR

The growth in investment on the effect of size in nanoscience and nanotechnology has been astounding. Among the $12.4B spent in 2006 worldwide Nanotechnology research funding (Lux Research, 2007), at least 50%, that is >$6B, [...]

Graphene and polymer composite using easy soluble expanded graphite

Lee J-H., Sungkyunkwan University, KR

ESEG was prepared from a fluorinated graphite intercalation compound (FGIC) - C2F∙nClF3 containing inorganic volatile intercalating agent ClF3. The severe expanded state, together with high specific surface area of the ESEG can give us essential [...]

Nanopalladium – Wool: A Novel Fibre for Multifunctional

Fonseca-Paris C., Johnston J.H., Victoria University of Wellington, NZ

The development of new functional textiles based on composite materials of natural fibres and nanomaterials have become of increasing interest within both academic and industrial sectors. The inherent properties of their all precursor components can [...]

Integration of SWCNT into Olefin polymer composites

Guan J., Simard B., National Research Council Canada, CA

Single Walled Carbon NanoTubes (SWCNT) have covalently integrated into polyolefin such as PP and PE. SWCNTs are homogeneously distributed in the polymer matrix without interface problem due to covalently anchor.

Diamond-Hardfaced TiC/Ti Composite for Submersible Pump Bearings in Geothermal Systems

Voronov O.A., Kear B.H., Diamond Materials Inc., US

Renewable energy sources include electrical generators driven by steam from geothermal sources. Typically, the bearings of submersible pumps used in geothermal systems are hardfaced with WC/Co and WC/CoCr composites. To enhance bearing performance, we have [...]