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Abstract:
The polymer researchers at the GKSS Research Centre in Geesthacht (Germany) expected about 30 scientists to attend the kick-off meeting of the new EU project HARCANA (High Aspect Ratio for Carbon-based Nanocomposites). New kinds of plastic-based nanocomposites could be used to develop lightweight materials that would increase the mechanical stability of materials and add electrical or magnetic properties, for example.

Using nanotechnology to create high-performance materials

Germany | Posted on July 23rd, 2008

The European Commission is providing approximately EUR 5 million in funding for the project, including more than EUR1.05 million earmarked directly for the Helmholtz researchers at GKSS. The project is being coordinated from Geesthacht by the director of the Institute of Polymer Research, Prof. Volker Abetz. 'One of the aims of our first meeting will be to discuss the current state of materials development and the steps that need to be taken, especially with regard to the materials' subsequent applications,' says Abetz. Because the new composites do not build up an electrostatic charge and are electrical conductors, they could be used for petrol fuel lines in automobiles, for example, as well as for special packaging materials and membranes.

The HARCANA project is run by a consortium of 11 partners, including the renowned University of Liege in Belgium, the French engineering school ESPCI (Ecole superieure de physique et de chimie industrielles de la ville de Paris), the CSIC (Consejo Superior de Investigaciones Cientificas, Spain's largest public research institute) and the industrial partners Deutsche Borsig GmbH and GMT Membranetechnik GmbH (GMT).

The HARCANA project is organised into 11 work packages, including one headed by GKSS researcher Dr Adriana Boschetti-de-Fierro. The scientist is investigating materials such as carbon nanotubes, which generally have walls only a few carbon atoms thick. Carbon nanotubes are a recent development with unique properties, one of the most notable being the new material's conductivity. In addition, carbon nanotubes help to increase the strength, rigidity and break resistance of plastic. Although carbon nanotubes are 20 times stronger than steel, they are as light as aluminium.

Boschetti-de-Fierro points out, however, that despite the current euphoria, 'composites with carbon nanotubes are still under development. One of the issues we are currently looking into is how to distribute these nanofibres evenly in the plastic at the molecular level.' This is difficult because nanotubes tend to stick to one another and clump together. At present, this clumping makes the new material rapidly lose its special properties.

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