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Synthesis and evaluation of fluorinated nano diamond for application of polymer composite

This paper reports on the preparation and evaluation of fluorinated nano diamond (FND) for application of polymer composite. The fluorination of the nano diamond (ND) not only removes the impurities carbon layers of ND surface but also improves the solvent dispersibility of ND. ND and FND were successfully fabricated by composite of epoxy resin. Especially, FND was well-dispersed in the epoxy matrix due to its good solvent dispersibility of FND. The measured thermal conductivity of the ND/epoxy composite and FND/epoxy composite were 0.38W/mK at ND-1wt.% and 0.41W/mK at FND-5wt.%, respectively. High electrical insulation and thermal conductivity of FND/epoxy composites are promising for an application of the electrical package field.