dispersion – Page 3 – TechConnect Briefs

Re-dispersible ZrO2 powders for transparent high RI nanocomposite

Wang S-H., Sun Y.S., Chiang A.S.T., National Central University, TW

Previous products of nano-ZrO2 usually come in the form of dispersed sol. When they are to be used in organic/inorganic composite, the solvent accompanied may not be compatible with the target polymer system. We have [...]

Review of Double Wall Carbon Nanotubes, Synthesis and Applications (overview presentation)

Bacsa W., University of Toulouse, FR

We find that the Raman G band for individual double wall carbon nanotubes is split when the two walls are closely spaced or strongly coupled. We show that agglomeration of tubes into bundles leads to [...]

Characterisation of Nanoparticle Dispersions by Size and Scattering Intensity Simultaneously

Griffiths D., Hole P., Smith J., Carr B., NanoSight USA West, US

A novel extension to the Nanoparticle Tracking and Analysis (NTA) technique is described. Previously a nanoparticle dispersion’s size distribution could be measured by simultaneously tracking many particles and directly (unlike DLS/SLS) calculating the particle size [...]

Towards Nanoscaled Systems: New Dispersing Technologies

Fischer L., Scheid S., Thomas C., Serendip AG, CH

The presentation will give an overview of state-of-the-art technologies and today’s possibilities as well as technical and regulatory limitations. The focus will be on the potential of a new generation of homogenizers, which allowfor the [...]

Towards Nanoscaled Systems: New Dispersing Technologies

Fischer L., Scheid S., Thomas C., Serendip AG, CH

The presentation will give an overview of state-of-the-art technologies and today’s possibilities as well as technical and regulatory limitations. The focus will be on the potential of a new generation of homogenizers, which allowfor the [...]

Dispersion and incorporation of optical nanotracers

Samuel J., Raccurt O., Poncelet O., Tillement O., Tardif F., Commissariat à l’Energie Atomique, FR

Silica fluorescent nanoparticles of 40nm diameter are synthesized by a reverse microemulsion process. Numerous industrial applications involve the homogeneous incorporation of nanoparticles into a polymer matrix. Nevertheless, because of their low size, nanoparticles tend to [...]

Aqueous Dispersion of Single-Walled Carbon Nanotubes by using Self-doped Polyaniline as Dispersant

Hwang J.H., Lee H.J., Lee H.S., Lee M.H., Hong M.S., Lee H.J., Lee H.S., Lee M.H., Lee H.J., Lee H.S., Lee M.H., Chonbuk National University, KR

In this research, a water-soluble self-doped polyaniline, poly(aniline N-butylsulfonate) (PAnBuS), was introduced to disperse SWNTs. Dispersion of SWNTs functionalized with PAnBuS was achieved ex-situ by simply mixing both components using ultrasonic treatment. The PAnBuS-functionalized SWNTs [...]

Grinding and Dispersion Equipment For Nano Scale Applications

Way H., NETZSCH Fine Particle Technology, LLC, US

This paper will address the material science of reducing particles to nano size, highlighting some of the machines and processes that achieve that result. One notable innovation that will be discussed is an inline disperser [...]

A latex-based concept for obtaining carbon nanotube-polymer nanocomposites

Grossiord N., Meuldijk J., Loos J., van der Schoot P., van Laake L.C., Regev O., Hart J., van der Schoot P., van Laake L.C., Miltner H.E., van der Schoot P., van Laake L.C., Koning C.E., Technical University of Eindhoven, NL

By using a latex-based technology, it is possible to efficiently disperse both single and multi wall carbon nanotubes (SWNTs and MWNTs) within most of the polymers that are produced by emulsion polymerization, or that can [...]

Dispersing Nanoparticles – The Key to Application

Pilotek S., Tabellion F., Schär S., Steingröver K., Buhler PARTEC GmbH, DE

Inorganic nanoparticles are used in many different branches: e.g. display technology, consumer goods, coatings, plastics, cosmetics, and paper industry use nanoparticles as major components or functional additives. In most applications, the particles are needed in [...]