Cross-industry Applications Of Boron Nitride (BN): From Semiconductor To Biomedical All-purpose Material

Boron nitride has a variety of excellent properties, such as high hardness, high thermal conductivity, good electrical insulation, chemical stability, etc., so there are a wide range of applications in a number of industries, as follows:

1. Metallurgical industry: boron nitride has a high degree of corrosion resistance to the melt, and can be used as drilling mold materials, glass and metal molding of the mold releasing agent, the crucible's heat-resistant coatings, etc. In addition, it is added to certain metals to make them more resistant to corrosion. In addition, it is added to certain metal powders, sintered by powder metallurgy process, which can make the resulting products with self-lubricating properties, used for oil-free bearings, sliding brushes, contacts and other parts.

2. Chemical industry: It can be used as pressure transfer medium, insulator between sample and heating element, used in high temperature atmospheric pressure furnace and plasma gun. Meanwhile, due to the boron content, it can be used as a dopant dispersed in high-purity silicon, and can also be used in precision machining and grinding of iron and steel products to improve the hardness and durability of the material.

3. Machinery industry: It is mainly used for wear-resistant coatings on the surface of knives and tools. Boron nitride dispersed in water and oil can be used as a lubricant for wire drawing and pressing products forming. It is also used as an industrial lubricant for sliding parts of high-temperature furnaces, as well as being developed for sliding parts of bearings, fillers for metals and ceramics, etc., in order to enhance the self-lubricating properties of the material.

4. Electronic industry: because of corrosion, heat resistance, insulation and dielectric properties, can be used as electronic materials, thermocouple protection tube and high temperature experimental materials. It can also be used as the surface coating of optical components to improve the light transmission and hardness of the material. By doping specific impurities can be obtained semiconductor properties, used in transistors, integrated circuits, heat sinks and microwave components. High thermal conductivity boron nitride can be used as filler to prepare composite materials for packaging materials to meet the high-frequency occasions heat components heat dissipation requirements.

5. Medical industry: hexagonal boron nitride has good biocompatibility, can be used as biological skeleton, drug delivery carrier materials. Hollow spherical boron nitride nanomaterials can be used as a carrier for drug delivery in biomedicine and cancer treatment.

6. Beauty industry: it can be used as a filler for high-grade cosmetics, improve the coverage and adhesion of cosmetics, make cosmetics with a good sense of smoothness, skin friendliness, but also absorb excess oil, so that the skin appears tight and translucent, and the production of color cosmetics is easy to clean after application, harmless to human skin.

7. Aerospace industry: It has a very low coefficient of friction in vacuum and can be used as a solid lubrication film in space. Boron nitride products can also be used as the lining of rocket combustion chambers, heat shielding materials for spaceships, etc., in order to enhance the use of the material temperature.

8. Atomic energy industry: boron nitride contains 43% boron and has a large neutron absorption area, which is suitable for nuclear reactors, and its products can be used as control rods for neutron absorption in reactors.

9. Other industries: It can be used as infrared filters, linings for sodium lamps, and fluorescent materials for 2500 - 6500Å. It can also be made into ceramic materials. Can also be made into ceramic materials, boron nitride ceramic materials are easy to be mechanically processed, processing precision, can ensure the insulation and heat dissipation effect, improve the utilization rate of materials, reduce the cost of use. In addition, the composite material prepared by boron nitride and tin dioxide has a good catalytic effect and helps to degrade organic pollutants.

Shengyang New Material Co., Ltd. is committed to the production of boron nitride and boron nitride processed products, and can customize various boron nitride insulating ceramic parts according to customer needs. Contact us if necessary.
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