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Application of nanotechnology in daily life

2018-09-12 13:35 View:
Due to its good wear resistance, high strength and high toughness, nano-ceramics can be used in the manufacture of sealing rings and bearings for cutting tools, packaging and food machinery to improve their wear resistance and corrosion resistance. Surface coating of key components of conveyor machinery and boiling drying beds.
 
Self-cleaning glass and self-cleaning ceramic tiles have been successfully developed in the laboratory in Tokyo, Japan. The surface has a thin layer of nano-TiO2. Under the illumination of light, any substances that are contaminated on the surface, including oil stains and bacteria, can further oxidize these hydrocarbons into gas or be easily rubbed due to the catalytic action of nano-TiO2. Material that is lost. TiO2 can be used to make packaging containers, food machinery cabinets, and production workshops.
 
In Germany, a special non-polluting wear-resistant transparent coating made of nano-silicon-based ceramics is applied to objects such as glass and plastic, and has functions such as anti-fouling, dust-proof, scratch-resistant, wear-resistant and fireproof. A surface coating that can be used in packaging and food machinery parts that are in direct contact with food.
 
Nano SiC and Si3N4 have strong absorption of infrared rays in a wide wavelength range, and can be used as an infrared absorbing and wave permeable material to form a material film or fiber. Nano-Si3N4 amorphous blocks have selective absorption from yellow to near-infrared light and can also be used for special window materials. The optical fiber made of nano-SiO2 has a transmission loss of less than 10 dB/km for light of wavelengths above 600 nm, and the multilayer interference film made of nanometer SiO2 and nano-TiO2 has good light transmittance and strong ability to reflect infrared rays. Compared to halogen lamps, it can save 15% of electricity. These properties can be used in infrared drying and infrared sterilization equipment for food machinery.
 
It has been proved that the TiO2 of 30-40 nm is dispersed into the resin to form a thin film, which becomes an ultraviolet absorbing material which has strong absorption ability to light below 400 nm wavelength, and can be used as the best raw material for food sterilization bags and fresh-keeping bags.
Nano-SiO2 photocatalytic degradation of organic water treatment technology without secondary pollution, high purity, its advantages are: has a large specific surface area, can maximize the adsorption of organic matter on its surface; has a stronger UV absorption capacity, thus Stronger photocatalytic degradation ability to quickly decompose organic matter adsorbed on its surface. This provides strong technical support for food companies with large sewage treatment capacity.
 
Mesoporous solids and mesoporous composites are attractive research objects in the field of nanomaterials science in recent years. Due to the high porosity (hole size 2~50nm) and high specific surface area of ​​this material, adsorption, There are important application prospects in filtration and catalysis. It also provides a broad space for the development of membrane filtration and sterilization equipment such as pure water and soft drinks.
 
Food machinery has a harsh working environment and requires high lubricants. Usually, lubricants are easily worn out and pollute the environment. The magnetic particles in the magnetic liquid are only 10nm in size, so the bearing will not be damaged, and the base fluid can also be lubricated. As long as the magnetic field is used, the magnetic lubricating oil can be restrained at the required part to ensure the normal operation of the machine.

Tungsten carbide nano powder (99.9% )
Nano Boron carbide powder (Nano CB4 Powder)
Tantalum carbide powder (nano particle size)
Nano Titanium carbide powder (Nano TiC powder)
Nano Fe2O3 powder (99.9%)
Nano Aluminium Nitride powder (Nano AlN powder)
Nano Tungsten disulfide powder (Nano WS2 powder)
Nano SiO2 dispersing agent
Nano silver Powder (Nano Ag powder purity 99.99)
MoDTP (Liquid Molybdenum Dithiophosphate)
Water-based zinc stearate (Vinyl lubricant )