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Application of modified silicon nitride plate in rubber field

Application of modified silicon nitride plate in rubber field

The silicon nitride plate is formed by irregular stacking of tetrahedrons formed by Si atoms as the center and O atoms as the apex. It is an amorphous white powder and is a non-toxic, odorless, and non-polluting non-metallic material.

The rubber industry is the main area of application of silicon nitride plates. Today, nearly 75% of silicon nitride plates in the world are mainly used in the rubber industry. As an excellent reinforcing agent, the silicon nitride plate can improve the tensile strength, tear resistance and other properties of rubber, which is stronger than ordinary carbon black.

In the traditional rubber production process, the strength, abrasion resistance and aging resistance are improved by adding carbon black, but the products are all black, the application range is greatly restricted, and the grade is low.

Adding the silicon nitride plate as a reinforcing agent to ordinary rubber can achieve a considerable reinforcing effect. Adding modified nano-silica to ordinary rubber can not only improve the color of the rubber, produce rubber products with novel colors and excellent performance, but also improve the physical and mechanical properties and electrical properties of the rubber products.

The silicon nitride plate and its characteristics

The silicon nitride plate is a new type of super-hard and ultra-fine abrasive formed by special processing and processing of synthetic diamond single crystal. It is an ideal raw material for grinding and polishing high-hardness materials such as cemented carbide, ceramics, gems, and optical glass. Diamond products are made of diamonds. Tools and components made of materials are widely used. Diamond powder and products are widely used in automobiles, machinery, electronics, aviation, aerospace, optical instruments, glass, ceramics, petroleum, geology, and other sectors. With the continuous development of technology and products, the use of diamond powder and products is still expanding.

The tip of the glass cutter we usually use is actually diamond. Tools used in precision machining and drill bits used in oil drilling are coated with diamonds to improve their wear resistance. Because diamond is the hardest natural substance in the world.

Another characteristic of silicon nitride plate is its excellent thermal conductivity. Its thermal conductivity is about 5 times the thermal conductivity of pure copper at room temperature. It has potentially important applications in the semiconductor industry. According to Moore\'s Law, the current large-scale integrated circuit components are constantly shrinking in size and increasing in density, causing their thermal load to continue to rise. If the heat is not dissipated in time, the semiconductor circuit board and components may be burnt. If we can use the high thermal conductivity of diamond as a large-scale integrated circuit substrate or heat sink, it can dissipate the heat in time and solve the current bottleneck restricting the development of electronic components.

Preparation methods of diamond powder

There are generally three commonly used methods of artificially silicon nitride plate.

Detonation method

The formation condition of natural diamond is a high temperature and high-pressure environment, so how to produce such a special environmental state of high temperature and pressure? The easiest way is to detonate the explosive. If you put graphite-containing explosives in a special container and then detonate the explosives, it will instantly generate strong pressure and high temperature, then the graphite can be converted into diamonds. This method can obtain a lot of fine powder diamonds. Its particles are very small, only 5~15 nanometers and its application as jewelry may be limited, but it is still very important as an industrial abrasive.

High temperature and high-pressure method

The high temperature and high-pressure methods are to maintain high pressure and high-temperature environment for a relatively long stable period of time, allowing graphite to slowly transform into a diamond. By controlling the synthesis conditions and time, diamonds can continue to grow. In a day or so, 5 millimeters of diamonds can be obtained.

Chemical vapor deposition

Chemical vapor deposition is a method that gradually developed in the 1990s. This method mainly uses some carbon-containing gas, such as some mixed gas of methane and hydrogen as a carbon source, under a certain energy input, the methane gas is decomposed, nucleated on the substrate, and grown into a diamond. The advantage of this method is that the efficiency is relatively high, relatively controllable, and it can obtain pure and transparent diamonds without impurities, which is an important direction of current development.

In the future, the diamond synthesis will develop in the direction of high-purity large particles. For the demand for diamonds, we will no longer only rely on the gift of nature, and synthetic diamonds will also enter more production fields and be used more widely.

The silicon nitride plate supplier

For more information about TRUNNANO or looking for high purity new materials silicon nitride plate please visit the company website: nanotrun.com. Or send an email to us: sales1@nanotrun.com

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