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What are the main application fields of 2- (trifluoromethoxy) benzenesulfonamide
(Triethoxy) silane coupling agents have important uses in many fields, and their main uses are as follows:
1. Rubber workmanship
This material has a value in rubber workmanship. It can be combined with rubber fillers, like in tire manufacturing, which can increase the adhesion of carbon black and other fillers on the tread, so that the wear resistance and tear resistance of the tire can be improved, and the life of the tire can be extended. For example, in some high-performance tire, the use of (triethoxy) silane couples can reduce the degree of wear and improve the safety.
2. Plastics workmanship
In plastics workmanship, its role should not be small. It can improve the compatibility of plastic-based fillers. For example, when glass is filled in plastics, the use of (triethoxy) silane coupling to treat glass can make glass plastics better compatible, improve the mechanical properties of the composite material, such as tensile strength and curvature. Some engineering plastic products, such as this treatment, can withstand a large external force, and even produce cracking and the like.
Third, the material work
is very effective in the material work. It can improve the adhesion of the material substrate and make the film adhere more firmly to the surface of the material. For example, adding it to the gold material can effectively prevent the film from falling off and increase the anti-corrosion performance of the material. For some gold parts used outside the country, the adhesive material containing this material is used. After a long exposure to rain, the film still maintains good adhesion, and the anti-corrosion effect lasts.
Fourth, the bonding work
is important for the bonding work field. It can improve the adhesion of different substrates, whether it is gold, ceramics, glass and other materials, the use of bonding materials containing (triethoxy) silane couples can achieve a high degree of adhesion. Like the bonding of some sub-products and parts, the use of this bonding can ensure that the bonding of parts is fixed during the use of the product, and it is not easy to loosen.
What are the physical and chemical properties of 2- (trifluoromethoxy) benzenesulfonamide?
The physical and chemical properties of (triethoxy) silane coupling agent are as follows:
The appearance of this agent is often colorless and transparent liquid, its texture is pure, and there are no obvious impurities. Looking at its color, it is almost colorless as water, clear and translucent, without the slightest turbidity.
Smell it, it has a special smell, but it is not pungent and intolerable, and it is still acceptable. Its smell is unique and unique in chemical materials.
When it comes to solubility, it can be miscible with many organic solvents, such as alcohols and ether solvents, which can be mixed with each other without distinction. This property makes it easy to disperse and apply in various organic systems.
The boiling point is a specific value. At this temperature, the liquid will change from liquid to gaseous state. This boiling point characteristic is crucial during storage and use, and can be used to control the transformation of its physical state.
Its chemical properties are active, and the molecular structure contains active groups, which can chemically react with many substances. Especially outstanding, it can react with hydroxyl groups on the surface of inorganic substances to form stable chemical bonds, thereby realizing effective connection between inorganic and organic substances. This property is of great significance in the fields of composite preparation, surface treatment, etc., and can significantly improve the properties of materials.
Because of its chemical activity, it is necessary to pay attention to environmental conditions during storage and avoid contact with active substances to prevent unnecessary chemical reactions and affect product quality.
Overall, (triethoxy) silane coupling agents play an important role in many industrial fields due to their unique physical and chemical properties, becoming an indispensable key material in modern materials science.
What are the synthesis methods of 2- (trifluoromethoxy) benzenesulfonamide?
To make di- (triethoxy) silylpropyl glycidyl ether, the following ancient methods can be followed.
First, the hydrogen-containing silicone oil and allyl glycidyl ether are used as materials, and the hydrosilylation reaction is carried out with the help of platinum-based catalysts. Prepare the refined hydrogen-containing silicone oil and allyl glycidyl ether and place them in a clean reactor according to a specific molar ratio. Slowly introduce the platinum-based catalyst and control the temperature in a suitable range, usually 80-120 degrees Celsius. During the reaction, continue to stir to make the material fully contact. Monitor the reaction process by gas chromatography or other methods until the silicon-hydrogen bonds in the hydrogen-containing silicone oil are exhausted and the crude product is obtained. After the method of vacuum distillation, the unreacted raw materials and by-products are removed to obtain a pure target product.
Second, it is prepared from chloropropyl glycidyl ether and triethoxysilane. First take chloropropyl glycidyl ether and triethoxysilane and dissolve them in an appropriate amount of organic solvent, such as toluene, xylene, etc. Add an alkaline catalyst, such as potassium carbonate, sodium carbonate, etc. Warm up to 60-100 degrees Celsius and let it react. The alkaline catalyst can promote the nucleophilic substitution reaction between the two. After the reaction is completed, the catalyst and the generated salt are washed with water and separated. The organic phase is dried with anhydrous sodium sulfate, and after the solvent is removed, the target product is also obtained.
Third, glycidyl and (triethoxysilyl) propanol are used as starting materials. Under the catalysis of acidic catalysts, the etherification reaction is carried out. Mix glycidyl and (triethoxysilyl) propanol in an appropriate proportion, add a small amount of acidic catalysts, such as p-toluenesulfonic acid. The temperature is controlled at 50-90 degrees Celsius, and the reaction number. The acidic catalyst can activate the hydroxyl group and the epoxy group to promote the reaction of the two. After the reaction, the catalyst is neutralized and purified by distillation to obtain di- (triethoxy) silylpropyl glycidyl ether.
What is the price range of 2- (trifluoromethoxy) benzenesulfonamide in the market?
The price of (triethoxy) silane butyric anhydride in the market often varies due to the quality and the supply and demand of the market. Those with pure and excellent quality may have a slightly higher price; those with inferior quality may have a lower price.
In today's city, if the (triethoxy) silane butyric anhydride of ordinary quality is priced per 500 grams, or between 200 and 500 gold. However, if the market is in a hurry and the supply is limited, the price may jump up to 600 gold or 700 gold. If the supply exceeds the demand and the market is flooded, the price may fall to the spectrum of 100 gold and 200 gold.
And its price is also related to the buyer's quantity. If you want to buy in bulk, the merchant may offer a discount to attract customers, and the larger the quantity, the lower the price. If the purchase volume is in tons, the price per 500 grams or tens of gold lower than when the purchase was zero.
The distance of origin and transportation also affects the price. If the product is close to the city, the price may be slightly lower due to the provincial transportation cost; if the product is remote, it will be transported to the city, and the freight and loss will be added, and the price will be high. Therefore, if you want to know the exact price, you must carefully consider the market conditions and consult and compare with the merchants before you can get the appropriate price.
What are the manufacturers of 2- (trifluoromethoxy) benzenesulfonamide?
Di- (tri, ethoxy) silicon, acid, ethyl ester, also known as positive, silicon, acid, ethyl ester, its, production, manufacturers, many. For example, Suzhou, Hongbo, Da Silicon, Materials, Limited, Company, has been immersed in the field of silicon and materials for many years, and has accumulated rich technology. It produces di- (tri, ethoxy) silicon, and ethyl acid esters with stable quality and good purity. It has been well received by many users in the market.
In addition, such as Jiangsu Fusheng Chemical Co., Ltd., this enterprise has a first-rate, production, equipment, and rigorous quality control system. Its products are all available in terms of quality and production capacity. It can be seen that the production of di- (tri, ethoxy) silicon and ethyl acid is widely sold at home and abroad.
There are also Shandong Jinyufeng, Petroleum, Chemical, Limited, Company, known for its high quality, raw materials, and exquisite craftsmanship, for the production of di- (tri, ethoxy) silicon, ethyl acid, with in-depth research and rich experience, its products, in the industry, also have a high reputation.
Manufacturers such as these all have their own strengths in the field of di- (tri, ethoxy) silicon and ethyl acid production, providing quality, quality and sufficient products for the market, which has promoted the wide application and development of this product in many industries.