Clean Technology 2009

Surface modification of powders by plasma at ambient temperature and pressure.

M. Hoelling
ETH Zurich - ETH transfer, CH

Keywords: Particle processing, non-thermal plasma, surface deposition, functional surfaces, atmospheric pressure, afterglow treatment, nanoparticles, nano-coating, fluidisation


A novel technology allows treating the surface of most particulate, temperature sensitive materials by a “remote plasma” process at ambient pressure. Up to now, this had primarily been limited to low pressure environment. This process is continuous, scalable and could potentially be used to functionalize or nano-coat particles.
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