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3/10/2010

Carbon nanotube masterbatches

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Carbon nanotube (CNT) manufacturer Arkema has announced a new line of masterbatch products based on its Graphistrength product line.

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Carbon nanotube (CNT) manufacturer Arkema (Colombes, France) has announced a new line of masterbatch products based on its Graphistrength product line. The first, Graphistrength CM12-30, is said to be the only CNT masterbatch on the market with a 30 percent CNT content suitable for a range of thermoplastic matrices: polyamides (6, 6.6, 12), polyesters (PET, PBT) and polycarbonate or polyacetals. This new masterbatch can be fully diluted within the thermoplastic matrix, allowing homogeneous dispersion of CNTs. This dispersion helps produce compounds with good electrostatic dissipation (ESD) properties for low CNT concentrations in the finished material. Graphistrength CE1-20, CE2-40 and CE3-35, contain up to 40 percent CNTs for elastomer matrices, respectively fluoro-elastomer, nitrile and silicone. This grade is said to be particularly suitable for the manufacture of joints with ESD properties for automotive and aerospace applications. Finally, Arkema has developed the first concentrates in the form of solid granules that contain up to 25 percent CNTs and can be fully dispersed in liquid epoxy and aqueous solutions. These concentrates are designed for use in composites, adhesives, ink or paint.
 

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