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What are the main uses of N-Hexadecyltrimethoxysilane?
N-hexadecyltrimethoxysilane has a wide range of uses. In the field of material surface modification, it has a significant effect. It can form a layer of hydrophobic film on the surface of the material, just like a layer of protective armor on the material to enhance its waterproof performance. For example, building materials, after being treated with this substance, can resist rain erosion, making the building durable and not easy to be damaged by floods.
In the preparation of composite materials, it also has a key effect. It can be used as a coupling agent to closely connect the inorganic and organic phases, like a solid bridge, so that the two can work together to improve the comprehensive performance of composites. Such as glass fiber reinforced plastics, due to the help of N-cetyltrimethoxysilane, the bonding between glass fibers and resin matrices is tighter, and the strength and toughness of the material are improved.
In the field of coatings, this substance is also very useful. Coatings with special properties can be prepared, such as self-cleaning coatings. Its hydrophobic properties can make it difficult for stains on the surface of the coating to adhere, slipping off when exposed to water, so that the surface of the object is always kept clean, saving a lot of cleaning effort.
In terms of electronic materials, N-cetyltrimethoxysilane can improve the wettability and adhesion of the surface of the material, assist the manufacture and packaging of electronic components, and make the performance of electronic devices more stable and reliable. All of these demonstrate its important uses in many fields, and it is an indispensable substance in the field of materials science.
What are the physical properties of N-Hexadecyltrimethoxysilane?
N-hexadecyltrimethoxysilane is a genus of organosilicon compounds. Its physical properties are unique and are described in detail as follows:
Under normal temperature and pressure, it is a colorless to light yellow transparent liquid, clear and clear, like morning dew. Its smell is light and slightly pungent, although not pungent, it also has a unique smell, which seems to emit the subtle charm of chemical substances.
When it comes to the melting point, it is about -22 ° C, just like the cold of winter. It has not yet reached the freezing point, but it is already close to the low temperature. At this temperature, the state of matter will gradually solidify from the liquid state. The boiling point is quite high, reaching 252 ° C, and it needs to be roasted by a hot fire to make it boil and turn into a gaseous state.
The density is about 0.89 g/cm ³, which is lighter than water. If placed in water, it will float leisurely on the water surface, like a boat on a blue wave. Its solubility is also quite special, and it can be soluble in most organic solvents, such as ethanol and toluene, just like fish get water and blend seamlessly; however, in water, it is only slightly soluble, as if it is estranged from water.
The surface tension of this compound is extremely low, and it can spread itself evenly on the surface of many materials, such as oil moisturizing, so it has a wide range of uses in the field of material surface modification. And its vapor pressure is very low, it is not easy to evaporate and dissipate at room temperature, and can maintain a relatively stable state.
Therefore, the physical properties of N-hexadecyltrimethoxysilane make it show unique functions and values in many fields such as chemical industry and materials.
What is the chemistry of N-Hexadecyltrimethoxysilane?
N-hexadecyl trimethoxysilane is also a silicone compound. Its molecules contain long-chain alkyl groups and trimethoxysilane groups. With hydrolysis, in humid air, trimethoxy groups are easily hydrolyzed to silanol groups, and then condensed and cross-linked to form a silicone network structure. This property makes it commonly used as a surface modifier, which can impart hydrophobicity to materials.
Its long-chain hexadecyl group, due to its high carbon number, makes the compound have good hydrophobicity and low surface energy. Treating the surface of the material can reduce the surface tension, making it difficult for water to adhere, and it is hydrophobic like a lotus leaf. And the long-chain alkyl group also improves the compatibility of the compound with organic materials, so that it can be evenly dispersed in the organic system and enhance the interface bonding force of the composite material.
In addition, the trimethoxysilyl group has high activity and is easy to react with hydroxyl-containing surfaces, such as glass and metal oxide surfaces. By covalent bonding, it firmly adheres to the surface to form a stable protective film. This protective film can improve the material's wear resistance, corrosion resistance and oxidation resistance. Therefore, it is widely used in coatings, adhesives, inks and other fields, which can improve product performance and prolong service life.
N-Hexadecyltrimethoxysilane what are the precautions during use
For N-hexadecyltrimethoxysilane, there are several ends that should be paid attention to when using it.
The first safety protection. This substance has certain chemical activity or has an impact on the human body. When handling, be sure to wear suitable protective equipment, such as gloves, goggles, protective clothing, etc., to prevent it from touching the skin and eyes. If you come into contact inadvertently, rinse with plenty of water immediately, and seek medical treatment if necessary.
Furthermore, pay attention to environmental factors. It may have potential effects on the environment. Use it in a well-ventilated place to avoid the accumulation of its volatile gases. And do not let it flow into environmental media such as water and soil to prevent pollution.
Repeat, the use of standards is the key. Precisely control the dosage and operation process according to the specific use and needs. Because it is a silane compound, it is easy to hydrolyze when it encounters water. When using it, pay attention to the moisture content of the system, store it properly, and seal the container to prevent it from moisture and deterioration. During the preparation process, follow the corresponding proportions and steps to ensure uniform dispersion and give full play to its best performance.
At the end of the day, storage should not be underestimated. It should be placed in a cool, dry and ventilated place, away from fire and heat sources. Avoid co-storage with oxidizing substances, acids, alkalis, etc., to prevent chemical reactions and endanger safety. In this way, when using N-cetyltrimethoxysilane, it can ensure safety and effectiveness.
What is the market price range for N-Hexadecyltrimethoxysilane?
N-hexadecyltrimethoxysilane, its market value is determined by various reasons. Such reasons include the lack of quality of raw materials, the development of manufacturing processes, the supply and demand of the market, and the quality of brands.
If the supply of raw materials is sufficient and the quality is flat, coupled with the maturity of the manufacturing process, the cost or controllable, its price is also relatively flat. However, if there is a shortage of raw materials, the cost is high, and the price of the product must also be higher.
If the manufacturing process is complex, the need for multiple processes is high, and the labor cost is also high, and its price is not cheap. On the contrary, the labor is easy, the cost is reduced, and the price may be low.
The supply and demand of the city are also low. Demand is strong but supply is limited, and the price rises; if the supply is in demand, the price may decrease due to the promotion of profits.
Furthermore, the quality of the products of well-known brands is often high due to the guarantee of the quality of the products; new brands or the market, the price or more.
Roughly speaking, the market value of this product may range from 100 yuan to 1000 yuan per kilogram. With the price, it is still necessary to consider the general factors of the transaction, such as batch size, transaction space, etc., to be uniform.