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Manufacturing/Packaging

SDK unveils a new grade of carbon nanofiber

Posted: 30 Sep 2004  Print Version  Bookmark and Share

Keywords:showa denko k.k.. sdk  carbon nanofiber  vgcf-s 

Showa Denko K.K. (SDK) has developed a new grade of carbon nanofiber suitable for addition to resins in which electrical conductivity is required.

According to the company, the release of its VGCF-S carbon nanofiber will accelerate the development of new applications for multi-walled carbon nanofiber.

Carbon nanofiber tends to exhibit more useful characteristics as its diameter becomes smaller, but it also means that the handling (dispersion and blending) carbon nanofiber becomes more difficult, SDK explained. However, when added to resins, the VGCF-S provides electrical conductivity equal to that of carbon nanotube (CNT, having a diameter of approximately 20nm) and, at the same time, enables high dispersion and blending into base material.

In the development of VGCF-S, the company utilized its VGCF technology developed jointly with Prof. Morinobu Endo of Shinshu University. SDK has developed VGCF-S by optimizing the diameter and length of VGCF to achieve high electrical conductivity and good handling properties.

The company is planning to begin commercial production in 2005. It expects to start selling 30 tons per year of VGCF-S in 2008.





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