Tetraethoxysilane, including twenty-eight, is widely used. In the field of chemical industry, it is often used as a raw material for the preparation of silicon-based materials. First, in the sol-gel method, it plays a pivotal role. This is a wonderful method for material preparation. After hydrolysis and condensation, tetraethoxysilane can be turned into a uniform sol, and then into a gel. Finally, materials with special structures and properties, such as aerogels. Aerogels are light in weight and excellent in heat insulation, and have great uses in aerospace and building insulation. Second, in the coating industry, it is also a good material. Adding tetraethoxysilane can increase the hardness, wear resistance and chemical corrosion resistance of coatings. Coated on the surface of the object, if it forms a strong protective film, it can extend the life of the object and make the surface more shiny. Third, in the field of electronics, the role is also obvious. It can be used to make electronic packaging materials to provide reliable protection for electronic components, so that they are protected from external environment and ensure the stable operation of electronic equipment. It can also be used in semiconductor manufacturing to participate in the preparation of insulating layers and passivation layers, which is related to chip performance and reliability. Fourth, in the textile industry, it can give special properties to fabrics. After tetraethoxysilane treatment, the fabric can be water-repellent, oil-repellent, and airtight, which is beneficial for the production of outdoor clothing and functional fabrics. From this perspective, it contains 28-tetraethoxysilane, which plays an important role in various industries and promotes the development and progress of various fields.

Tetraethoxysilane, containing twenty-eight%, has the following components. The first is tetraethoxysilane itself, which is the main component. In its structure, the silicon atom is centered and surrounded by four ethoxy groups (OC ² H). In the ethoxy group, the oxygen atom is connected to the silicon atom by a covalent bond, carbon and oxygen are also bonded, and carbon is connected to hydrogen. This structure gives the tetraethoxysilane specific chemical properties and reactivity. Secondly, it may contain trace amounts of ethanol. Due to the process of preparing tetraethoxysilane, it is often obtained by the reaction of silicon and ethanol. When the reaction is not complete, a small amount of ethanol will remain. Ethanol molecules are composed of ethyl (-C ² H) and hydroxyl (-OH), which are volatile and soluble. Furthermore, there may be a little moisture. The influence of moisture in the environment, or the preparation and storage process is not well protected, can cause tetraethoxysilane to mix with water. Moisture molecules are formed by covalent bonding of two hydrogen atoms and one oxygen atom. In addition, impurities in the production process may also exist in them. Such as the residual catalyst used in the reaction, or a very small amount of metal ions brought by the material of the equipment. Although the content is extremely small, it may have a subtle effect on the performance of tetraethoxysilane. In short, it contains 28% tetraethoxysilane, which is mainly composed of tetraethoxysilane, and contains ethanol, moisture, and a small amount of process impurities. The components interact to affect the overall characteristics of this substance.

Tetraethoxysilane, also known as ethyl orthosilicate, contains 28% during use. Many matters need to be paid attention to. This substance is volatile and has a pungent smell. It is used for smooth ventilation. If it is closed in a narrow space, its volatile gases will accumulate, or cause dizziness, nausea and other discomfort, and even endanger health. Therefore, when making sure that the place is well ventilated, or prepare ventilation equipment. Tetraethoxysilane is flammable when exposed to open flames and hot topics, and releases toxic fumes when burned. When using it, it should be kept away from fire and heat sources, smoking is prohibited, and static electricity should be generated. Electrical equipment used in the workplace should be explosion-proof, and tools should be explosion-proof to prevent fire and explosion accidents. It is irritating to the eyes, skin, and respiratory tract. When using it, wear appropriate protective equipment, such as wearing protective glasses to prevent liquid from splashing into the eyes and causing damage; wear protective gloves to avoid skin contact. If you accidentally touch it, you should quickly rinse it with plenty of water; wear a gas mask if necessary to protect the respiratory tract from irritation. Tetraethoxysilane has a certain chemical activity. When in contact with water or moisture, it will hydrolyze to produce ethanol and silicic acid, which will affect its performance. Therefore, it needs to be sealed and stored in a dry place to avoid moisture and deterioration. Use according to the required amount, and store the rest properly. Use tetraethoxysilane, which often involves chemical reactions. Users should be familiar with its chemical properties and reaction mechanism, and strictly follow the operating procedures. If the reaction conditions are not properly controlled, or the reaction is out of control, there will be adverse consequences. In addition, the waste generated during use cannot be discarded at will, and should be disposed of in accordance with relevant environmental regulations to prevent environmental pollution.

Tetraethoxysilane, containing 28%, the storage conditions are as follows: This agent should be placed in a cool, dry and well-ventilated place. Because of its certain chemical activity, it is easy to change in case of moisture or high temperature, so the warehouse temperature should not be higher than 30 ° C, and the relative humidity should be kept below 75% to prevent its hydrolysis and deterioration. Storage must be kept away from fire and heat sources, and must not be mixed with oxidants, acids, alkalis, etc. Because if it comes into contact with these substances, it may cause violent chemical reactions and cause danger. When storing, the container must be kept sealed to avoid moisture intrusion and hydrolysis. After taking it, it should also be sealed in time to ensure its stable quality. During handling, the operator should handle it lightly and beware of damage to the packaging and containers. If the packaging is damaged, not only will the quality of tetraethoxysilane be affected, but the leakage may cause pollution to the environment and even cause safety accidents. For the storage area, there should be suitable materials to contain the leakage, in case of leakage, it can be properly handled in time to minimize the harm. In this way, the safety and quality of tetraethoxysilane during storage must be ensured.

Tetraethoxysilane, containing 28%, its compatibility with other substances is related to many aspects. This silane is more active and has different performances in various systems. In organic systems, if it is compatible with non-polar organic compounds, such as alkanes, it is not compatible with tetraethoxysilane due to its structural characteristics. Because tetraethoxysilane has a polar ethoxy group, the force between it and the non-polar alkane molecules is weak and it is difficult to blend. When encountering polar organic compounds, such as alcohols, the hydroxy groups in alcohols can form hydrogen bonds with the ethoxy groups of tetraethoxysilane, and the compatibility can be improved. However, this is not entirely without worries. Due to the ease of hydrolysis of tetraethoxysilane, the hydrolysis rate may change in the alcohol system containing active hydrogen, which affects the stability of the system. In inorganic systems, when compatible with metal oxide powders, tetraethoxysilane can be hydrolyzed and condensed by ethoxy to form a siloxane coating on the surface of the powder, which enhances the bonding force between the two and has good compatibility. However, it is necessary to pay attention to the pH of the system. Too strong acidity or alkalinity can accelerate the hydrolysis of tetraethoxysilane, causing hydrolysis products to agglomerate and affecting compatibility. In aqueous systems, tetraethoxysilane hydrolysis products can form colloids with water. However, the hydrolysis rate needs to be controlled. If it is too fast, it is easy to agglomerate and precipitate, which affects the compatibility with aqueous systems. It is often necessary to add additives, adjust pH and other means to optimize its dispersion and stability in aqueous systems and improve compatibility.