Octyl methyl diethoxysilane, this substance has a wide range of uses and is used in many fields. First, it has a significant effect in the field of building protection. It can be applied to the surface of building materials, such as masonry, concrete, etc. Because it can chemically react with the surface of the material, a layer of water-repellent protective film is formed that is closely attached. This film can effectively resist rain and moisture. It is like a layer of "waterproof armor" for the building, which greatly reduces the water absorption of building materials, thereby improving their frost-thaw resistance and durability, and prolonging the service life of the building. Second, in the paint industry, it also has an important contribution. Adding paint can improve the adhesion of the paint to the substrate. It is like building a solid "bridge" between the paint and the substrate, so that the paint can adhere more firmly to the surface of the object. At the same time, it can also enhance the weather resistance and wear resistance of the paint. The paint can still maintain good performance through wind and sun exposure and daily friction, and is not easy to fade or peel off, maintaining aesthetics and protective functions. Third, it also plays a unique role in the field of plastic and rubber processing. As a coupling agent, it can improve the compatibility between inorganic fillers and organic polymers. It acts like a "coordinator", allowing the inorganic fillers to be evenly dispersed in the organic polymer matrix, so that the mechanical properties of plastics and rubber can be optimized. Performance indicators such as tensile strength and impact strength can be improved, and its processing performance can be improved, making the production process smoother. Fourth, in the textile field, it also has a place. Fabrics treated with octyl methyldiethoxysilane can obtain water-repellent and oil-proof properties. Fabrics such as clothing seem to have self-protection ability, which is not easy to be contaminated with water and oil, easy to clean and take care of, and does not affect the softness and breathability of the fabric too much. While improving the functionality of the fabric, it also takes into account the comfortable experience of wearing.

Octyl methyl diethoxysilane is a kind of organosilicon compound. It has unique physical and chemical properties and is widely used in various fields. In terms of physical properties, at room temperature, octyl methyl diethoxysilane is mostly colorless and transparent to yellowish liquid, with a clear appearance. Its density is about 0.88-0.92g/cm ³, which is lighter than water. The boiling point is roughly between 190-210 ° C, with moderate volatility. Its flash point is quite high, about 70 ° C, which makes it less prone to ignition due to open flames and other fires in ordinary use environments, and has certain safety. As for chemical properties, octyl methyldiethoxysilane contains silicon-oxygen-carbon bonds, which gives it good chemical stability. However, its ethoxy group can be hydrolyzed under appropriate conditions to form a silanol group. The silanol group is very active and can react with many compounds containing active hydrogen, such as alcohols, amines, etc., thereby binding to the surface of different materials. Its long-chain octyl structure imparts excellent hydrophobicity to the material. When octyl methyldiethoxysilane is applied to the surface of an object, a continuous hydrophobic film is formed, which significantly increases the contact angle of water on its surface, reaching more than 120 °. It is similar to the hydrophobic effect of the lotus leaf surface, and it is difficult for water to infiltrate, thus effectively protecting the material from water erosion. And the compound has a certain tolerance to ultraviolet rays, can maintain stable performance in outdoor environments, and is not easily decomposed or deteriorated by light.

Octylmethyldiethoxysilane, when using, there are a number of things to pay attention to, must not be overlooked. First, this is a chemical substance, sexual or lively, before contact, must read its safety technical manual, clear its physical and chemical properties, dangerous characteristics, etc., in order not to accidentally touch the danger. And when using, according to the standard law, avoid direct contact with the skin and eyes. If accidentally touched, quickly rinse with a lot of water and seek medical attention as appropriate. Second, because of its volatility, the place used should be well ventilated to prevent gas accumulation. If it is used in a large amount in a confined space, or the concentration in the air is too high, it will affect the health of the operator, and the second may be at risk of ignition and explosion. Third, you should also pay attention when storing. It should be placed in a cool and dry place, away from fire and heat sources. Do not co-store with strong oxidants, acids, alkalis, etc., to prevent chemical reactions, damage its quality, and avoid accidental changes. Fourth, the use of equipment must be clean and dry. If the equipment has moisture or impurities, or reacts with octyl methyl diethoxysilane, its performance will be hindered and the effectiveness of use will be affected. Fifth, the residue after use must not be discarded at will. It should be properly disposed of in accordance with environmental protection regulations, so as not to pollute the environment and leave disasters to future generations. Only by paying attention to all things in this way can we make good use of this agent without any worries.

Octyl methyl diethoxysilane, the market price, often uncertain, varies from time to time, and varies with quality. The range of its price is difficult to determine. This substance is widely used in chemical fields, but its price is affected by many factors. The first to bear the brunt is the price of raw materials. The production of octyl methyl diethoxysilane requires specific raw materials. If the price of raw materials rises and falls, the price of finished products will also fluctuate. And the abundance of raw materials is also related to the cost, which in turn affects the selling price. The second is the situation of market supply and demand. If there are many people who want it, but the quantity of production is small, the price will easily rise; on the contrary, if the product is too much, the price may fall. And the rise and fall of the industry and the development of new uses will cause changes in demand, which will affect its price. Furthermore, craftsmanship and quality are also key. Sophisticated craftsmanship can improve productivity and quality, but the cost may increase, and the price may also be high. And the quality is also a consideration of pricing. The price of a good product is often higher than that of a mediocre product. In addition, the price varies from region to region. The price of a distant domain may be different from that of a nearby one due to the difference in transportation costs and taxes. Looking at various factors, the price of octyl methyl diethoxysilane is roughly between tens of yuan and hundreds of yuan per kilogram. If the quality is excellent, the price may be higher for high-end use; while ordinary products, for general use, may be slightly lower. However, this is only a rough estimate, and the actual price still depends on the current market conditions, transaction volume, and other specific circumstances.

The method of preparing octyl methyl diethoxysilane has been used in ancient times. The first method is to use octyl trichlorosilane, methyl trichlorosilane and absolute ethanol as raw materials, mix them slowly at a low temperature, and pay attention to temperature control during this period, so as not to cause the temperature to rise sharply and cause accidents. After it is fully reacted, it is distilled to remove its impurities, and octyl methyl diethoxysilane can be obtained. Another method is to use an octyl silane coupling agent and methyl diethoxysilane as a base, coupled with a suitable catalyst, under a certain temperature and pressure, to cause a substitution reaction. After the reaction, the product can also be obtained through washing, drying and other processes. In this process, the choice of catalyst and the amount of catalyst are very critical, which is related to the rate of reaction and the purity of the product. Another preparation method is to use octamethylcyclotetrasiloxane, octyl chloride, ethanol and sodium metal as materials. First, octamethylcyclotetrasiloxane and octyl chloride react under the catalysis of sodium metal, and then react with ethanol. After a series of refining treatments, such as filtration and distillation, octylmethyldiethoxysilane can also be obtained. These various production methods have their own advantages and disadvantages, and they need to be used according to actual conditions, such as the availability of raw materials, cost considerations, and product requirements.