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2-benzothiazolesulfenamide, what is the chemical structure of n-morpholinyl-
2 - benzothiazolesulfenamide, N - morpholinyl -, its chemical structure is also. This is an organic compound, belonging to the rubber vulcanization accelerator and the like. Its structure contains a benzothiazole ring, one sulfur atom of the ring is connected to the sulfineamide group (- S - NH -), and the nitrogen atom of the sulfineamide group is related to the N - morpholinyl group.
The benzothiazole ring has a conjugated system, which gives certain molecular stability and special electronic properties. Sulfineamides play a key role in the vulcanization process of rubber and can regulate the rate of vulcanization and the degree of cross-linking. N - morpholinyl affects the solubility, reactivity and interaction with the rubber matrix.
Overall, the chemical structure of 2 - benzothiazolesulfenamide, N - morpholinyl - is exquisite, and the parts cooperate to show unique properties in the rubber industry, which is of great significance for improving the quality and performance of rubber products.
2-benzothiazolesulfenamide, what are the main uses of n-morpholinyl-
2-Benzothiazole sulfenamide, N-morpholinyl - (referred to as accelerator NOBS), its main use is wide. This is a crucial auxiliary agent in the rubber industry.
In the process of rubber vulcanization, it acts as an accelerator and has an extraordinary effect. It can effectively speed up the vulcanization rate of rubber, greatly shorten the vulcanization time, and improve production efficiency. In this way, rubber products can be produced faster and meet the needs of all parties.
Furthermore, it has a great impact on the properties of vulcanizates. It can optimize the physical and mechanical properties of vulcanizates, such as enhancing their tensile strength and improving their wear resistance. Through its action, vulcanizates are more tough and durable, and are suitable for many different scenarios. < Br >
And this additive can improve the processing performance of rubber. Make the rubber material easier to operate in the mixing, molding and other processes, better fluidity, avoid bad conditions such as sticking rollers and scorching, ensure the quality of rubber products is stable, and reduce the rate of defective products.
In the field of tire manufacturing, its contribution is significant. It helps to improve the performance of tire tread rubber, enhance tire grip and wear resistance, prolong tire service life, and ensure driving safety. It is also indispensable in the production of industrial rubber products such as conveyor belts and hoses, which can improve the comprehensive performance of products and meet the strict requirements of industrial production.
2-benzothiazolesulfenamide, what are the physical properties of n-morpholinyl-
2-Benzothiazole sulfenamide, N-morpholinyl-This substance has quite unique properties. It is a solid state and exists stably at room temperature. Looking at its color, it is often light yellow, and when it is pure, it may be nearly colorless.
Smell it, the smell is specific, not strong and pungent, but it has a different smell. Its melting point is between 100 ° C and 110 ° C, and when heated to this range, it begins to melt.
When it comes to solubility, it is soluble in common organic solvents, such as acetone and benzene, but it is extremely insoluble in water, as if it is distinct from water. < Br >
In addition, its chemical properties are active, and it plays a significant role in the vulcanization process of rubber. It is often used as a vulcanization accelerator. It can greatly increase the vulcanization rate of rubber, and the physical and mechanical properties of the vulcanized rubber can be significantly improved, such as tensile strength and wear resistance.
It is widely used in the rubber industry, helping to improve the quality of many rubber products and making extraordinary achievements.
2-benzothiazolesulfenamide, what is the synthesis method of n-morpholinyl-
The method for synthesizing 2-benzothiazole sulfenamide, N-morpholinyl-is as follows:
The starting material is often benzothiazole, morpholine, etc. First, benzothiazole is dissolved in an appropriate reaction vessel with an appropriate amount of organic solvents, such as dichloromethane, toluene, etc., to form a uniform liquid phase. This is because the organic solvent can help the reactants to disperse uniformly and promote the reaction to be sufficient.
Then, under stirring, slowly add specific oxidants, such as hydrogen peroxide, m-chloroperoxybenzoic acid, etc. The amount of oxidant needs to be accurately measured, and it is determined according to the stoichiometric number of the reaction. Excessive or insufficient amount affects the purity and yield of the product. When adding an oxidizing agent, the rate should be slow to prevent the reaction from overheating, causing the temperature to rise sharply and triggering side reactions.
At the same time, morpholine is added dropwise to the reaction system one by one. The dropwise addition rate also needs to be carefully regulated to cooperate with the reaction process. After the dropwise addition, a certain temperature is maintained to continue the reaction. Temperature control is crucial, and the appropriate temperature is usually selected between room temperature and 80 ° C according to the reaction characteristics. If the temperature is too low, the reaction rate will be slow; if the temperature is too high, by-products will be easily generated.
During the reaction, the reaction process can be observed in real time by means of monitoring methods such as thin layer chromatography (TLC) or high-performance liquid chromatography (HPLC). When the peak of the raw material is significantly reduced, the peak of the product
After the reaction is completed, pour the reaction solution into an appropriate amount of water and extract the product with an organic solvent. Extract multiple times to improve the product collection rate. Combine the organic phases and remove the water with a desiccant such as anhydrous sodium sulfate. After that, the organic solvent is removed by the method of reduced pressure distillation to obtain a crude product.
The crude product still contains impurities and needs to be further purified. Often by recrystallization, a suitable solvent is selected, such as ethanol, ethyl acetate, etc., and it is dissolved by heating, cooled, crystallized, and filtered to obtain a pure 2-benzothiazolimide, N-morpholinyl-product. In this way, according to this series of steps, the target product can be obtained.
2-benzothiazolesulfenamide, n-morpholinyl-what are the precautions during use
2-Benzothiazole sulfenamide, N-morpholinyl - When using this substance, many things need to be paid attention to.
First, it is related to safety protection. This substance may be potentially harmful to the human body. When exposed, be sure to wear suitable protective equipment, such as gloves, protective goggles and gas masks. Because it may irritate the skin, eyes and respiratory tract, if you come into contact inadvertently, you should immediately rinse with plenty of water. If the situation is serious, you need to seek medical attention immediately.
Second, in terms of storage. It should be placed in a cool, dry and well-ventilated place, away from fire and heat sources. At the same time, it is necessary to avoid mixing with strong oxidants, acids and other substances to prevent chemical reactions from occurring, resulting in dangerous conditions.
Third, during use, precise control of the dosage is the key. It needs to be added according to specific process requirements and formulas. Excessive use will not only increase costs, but also have adverse effects on product performance; insufficient dosage will be difficult to achieve the desired effect. And when using, make sure to fully stir to make the substance evenly dispersed and exert the best performance.
Fourth, it is related to environmental impact. After use, the remaining materials and waste should be properly disposed of, and must not be discarded at will to prevent pollution to the environment. It is necessary to follow relevant environmental regulations and choose appropriate disposal methods to protect the environment. Only in this way can we ensure that in the process of using 2-benzothiazole sulfenamide, N-morpholinyl-not only ensure safety, but also take into account efficiency and environmental protection.
