Bayer MaterialScience (BMS; Leverkusen, Germany; www.bayermaterialscience.com) has received regulatory approval from the U.S. Environmental Protection Agency (EPA; Washington, D.C.) for Baytubes, BMS’ multi-wall carbon nanotubes (CE, December 2005, p. 16). This enables the company to sell Baytubes on the American market and reinforces BMS’ role as one of the world’s leading manufacturers of carbon nanotubes. The approval covers Baytubes C 150 P and HP grades that are produced in a plant in Laufenburg, Germany with an annual capacity of 60 metric tons.
Baytubes can be added to polymer matrices or metal systems as a modifier or filler to improve their mechanical strength or antistatic properties, or both, and are already used in epoxy, thermoplastic and coating systems. The product’s applications include sports equipment – ranging from skis and surfboards to hockey sticks and baseball bats – along with other injection-molded and extruded components such as rotor blades for wind turbines. A further innovative application for Baytubes is modifying light metals such as aluminum and magnesium.
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