Aluminum nitride powder has high purity, uniform particle size, high surface activity, and the effect of insulation and thermal conductivity is very obvious. The powder can be applied to engineering plastics to improve the performance and mechanical strength of engineering plastics, and has good injection molding performance. Used in composite materials, it has good matching with semiconductor silicon and good interface compatibility. It can improve the mechanical properties and thermal insulation properties of composite materials. It is widely used in thermally conductive silica gel, thermally conductive plastics, resins, and LED electronic packaging materials.

The current main application directions of aluminum nitride powder:
1. Manufacture of integrated circuit substrates, electronic devices, optical devices, heat sinks, high-temperature crucibles to prepare metal-based and polymer-based composite materials, especially in high-temperature sealing adhesives and electronic packaging materials to improve the material's heat dissipation performance and strength characteristics. Good application prospects can replace the currently imported micron aluminum nitride;
2. Thermally conductive silica gel and thermally conductive epoxy resin: Ultra-high thermal conductive silica gel is prepared with nano aluminum nitride produced by SAT NANO, which has good thermal conductivity, good super-electric insulation, wide electrical insulation and use temperature ( Working temperature 80-250 ℃), lower consistency and good construction performance. The product has reached or surpassed imported products, because it can replace similar imported products and is widely used as a heat transfer medium for electronic devices to improve work efficiency. Such as the gap between the CPU and the heat sink, high-power transistors, thyristors, diodes, and heat transfer media at the slits in contact with the substrate. Nano thermal paste fills the gap between the IC or transistor and the heat sink, increases the contact area between them, and achieves a better heat dissipation effect;
3. Nano-lubricating oil and anti-wear agent: The modified nano-aluminum nitride ceramic particles added in the nano-ceramic engine oil act on the metal surface of the friction pair inside the engine with the lubricating oil, and are activated and firm under the action of high temperature and extreme pressure Infiltrated into the dents and micropores on the metal surface, repaired the damaged surface, and formed a nano-ceramic protective film. Because of the isolation effect of this layer of film, the friction caused by the relative motion between the parts only acts on this layer of protective film. The nano-ceramic particles, like small balls, transform part of the friction between the friction pair from traditional sliding friction to rolling friction. Greatly reduce the friction force, reduce the friction between moving parts to almost zero, play a super anti-wear protection for the engine, by improving lubrication, the friction coefficient can be reduced by more than 80%, and the anti-wear ability is improved by more than 350% , Reduce wear by more than 80%, can extend the life of mechanical parts by more than 3 times, reduce downtime, reduce maintenance costs, extend the overhaul period by more than double, save energy by 10%-30%, increase equipment output power by 20%-40%, and its addition Only two thousandths to one thousandth;
4. Application in high thermal conductivity plastics: The modified nano aluminum nitride powder can greatly improve the thermal conductivity of plastics. By adding 1% of the experimental product to the plastic, the thermal conductivity of the plastic can be increased from 0.3 to 3, and the thermal conductivity is increased by more than 10 times. At present, it is mainly used in PVC plastic, polyurethane plastic, PA plastic, functional plastic, etc.;
5. Other application areas: Nano aluminum nitride can be used in crucibles for smelting non-ferrous metals and semiconductor materials gallium arsenide, evaporation boats, thermocouple protection tubes, high temperature insulation parts, microwave dielectric materials, high temperature and corrosion resistant structural ceramics And transparent aluminum nitride microwave ceramic products.

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