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NANOCYL NANOTUBES

This month's featured research story emphasizes the works of Dr. Petra Pötschke and her colleagues in the field of composites production and characterization. One such project investigated melt mixing as a method to disperse carbon nanotubes into thermoplastic polymers.

Dr. Pötschke's work suggests that melt processing represents the preferred method for nanotube composites preparation.

For this purpose, two ways of introducing nanotubes in polymer matrices were studied. In the first one, commercially available masterbatches of nanotube/polymer composites were employed as starting materials and subsequently diluted in a pure polymer. In the second case nanotubes were directly incorporated into the polymer matrix via a melt-mixing method.

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RESEARCHER PROFILES

Petra Pötschke
Scientist, Subinstitute of Macromolecular Chemistry,
Department of Polymer Reactions and Blends, Leibniz Institute of Polymer Research Dresden, Germany
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János B. Nagy
Professor,
Director of the Laboratory of Nuclear Magnetic Resonance,
Facultés Universitaires
Notre-Dame de la Paix, Namur, Belgique
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Werner Blau
Professor, Werner Blau Group, Materials Ireland Polymer Research Centre, Dublinr
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Andrew D. Briggs
Professor of Nanomaterials, Director of the Quantum Information Processing IRC, Department of Materials, University of Oxford
 
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No.1 - September 2005

Based on the NanoSPRINT Encyclopedia of Carbon Nanotubes

APPLICATION OF THE MONTH: NANOTUBE COMPOSITES

Since the very beginning composite materials have somehow been a ?natural? application for carbon nanotubes. This was good news for the investors always looking for a clear market potential and for lots of scientists that could seize a new opportunity. Interest from both groups has been growing steadily, as the field is maturing and nanotubes are now readily available from a plethora of suppliers. The early movers definitely knew where to put their efforts and they lead by far in this race toward a technological El Dorado. But this lode still shows potential and the purpose of this article is to arouse interest among material scientists not yet familiar with carbon nanotubes and their use in composites. Research on composite applications is motivated by the impressive range of remarkable attributes of carbon nanotubes including unparalleled conductive, structural, thermal, and optical properties.

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RESEARCH PAPERS IN AUGUST (50)

X-ray absorption and photoelectron spectroscopy studies on graphite and single-walled carbon nanotubes: Oxygen effect
M. Abbas, Z. Y. Wu, J. Zhong, K. Ibrahim, A. Fiori, S. Orlanducci, V.Sessa, M. L. Terranova, and Ivan Davoli

Coupled defect-size effects on interlayer friction in multiwalled carbon nanotubes
Wanlin Guo, Wenyu Zhong, Yitao Dai, and Sunan Li

Processing
Mechanism for bias-assisted indium mass transport on carbon nanotube surfaces
Filipe J. Ribeiro, J. B. Neaton, Steven G. Louie, and Marvin L. Cohen

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PATENTS MONITORING IN AUGUST (33)

A method for the preparation of y-branched carbon nanotubes
Kim Young Nam / WO2005075340

Improved nanotube elongation
Luzzi David / WO2005072093

Three-dimensional nanotube structure
Montgomery Stephen W; Berry William; Holalkere Ven; Prasher Ravi / US2005169831

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