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Carbon nanotubes for static dissipation

SpecialChem / Nov 13, 2001

Carbon nanotubes are electrically conductive additives with an extremely small size and a high aspect ratio. According to the manufacturer Hyperion Catalysis International Inc. the resulting morphology enables nanotubes to develop a conducting network within a polymer matrix at low percentage loadings, typically 1.5-4.5% by weight. Plastics Additives & Compounding looks at some recent case studies involving nanotubes for applications in the electronics and automotive industries. While a variety of additives can be used to impart conductive and static dissipative properties to polymers, Hyperion Catalysis International says that the cleanliness and morphology of nanotubes make it possible to design finished products with a particular combination of properties. According to the company, nanotubes are produced from high purity raw materials and are chemically clean. The advantages claimed for carbon nanotubes include electrical conductivity at low loadings - most applications only require 1.5-4.5% by weight loading.

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