Copper nano particles has some unique physical and chemical properties, it is widely used in electrical and electronic, chemical, mechanical, biomedical engineering and other fields. With the rapidly development of modern technology, nowadays higher requirements is requirec to the performance of the copper nanoparticles and closely related to nano-copper properties with its size, dispersion, morphology and so on. Therefore, high purity, particle size distribution control, good dispersion of the spherical copper nanoparticles has become one of the hotspots of nano copper powder.

The certain amount of Copper nanoparticles has influence on the nano copper conductive adhesive and the lubricant additive performance. Because copper nano particles has good electrical conductivity and low shear force, more and more studies about copper nanoparticles are used as conductive adhesive conductive filler and lubricant additives.

The amount of copper nanoparticles has a significant impact on the performance of the resulting conductive adhesive, some study show that when the copper nanoparticles dosage comes to about 60wt.%,  the volume resistivity of the conductive adhesive is about 1.7 × 10-3Ω • cm, connection strength is about 11.4MPa.  After surfactant PVP treatment of copper nano particles, it can be uniformly dispersed in the oil. The amount of copper nanoparticles has a significant effect on the properties of the lubricant. Study shows that the practical application of selected dosage about 0.6wt.% is appropriate. For the data is conclusion by certain temperature and testing environment and for your reference only.

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by Lyla