NEC Develops New Bioplastic That Realizes Higher Heat Conductivity Than Stainless Steel
The features of the new bioplastic are as follows.
1) Creation of a cross-linked structure of carbon fiber through use of a unique binder in the polylactic acid (PLA)*1 resin achieves high heat diffusion (with carbon fiber of 10% and 30% the heat diffusion ability of the new bioplastic composite is comparable to and double that of stainless steel respectively). This enables good heat conductivity in the plane direction of the PLA resin board, which is a characteristic conventionally difficult to attain in metal boards.
2) The composite is extremely environmentally friendly as it is mainly composed of biomass-based components including the binder (the biomass ratio exceeds 90%, excluding inorganic components such as the carbon fiber).
3) The strength and moldability of the composite have been fundamentally verified for use in electronic products.
NEC will continue to develop these technologies toward realization of mass production of the bioplastic composite by the end of the fiscal year ending March, 2009, after which it will start to use the composite in housings of electronic products and seek out new applications.
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