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What are the main uses of n-cyclohexyl-2-benzothiazolesulfenamid?
N-cyclohexyl-2-benzothiazole sulfenamide, often referred to as accelerator CZ, is a crucial auxiliary agent in the rubber industry. Its main use is as a vulcanization accelerator.
During the vulcanization process of rubber, this substance can significantly accelerate the vulcanization speed, shorten the vulcanization time, and greatly improve the production efficiency. It can enable the construction of cross-linked structures between rubber molecules, thereby enhancing the physical and mechanical properties of rubber, such as tensile strength, wear resistance, tear resistance, etc., which can be effectively improved, making rubber products more durable. In addition, it can also improve the vulcanization uniformity of rubber, avoid local under-sulfur or over-sulfur conditions, and make the quality of rubber products more stable.
Furthermore, n-cyclohexyl-2-benzothiazole sulfenamide performs well in terms of operation safety. Due to its moderate activity, it will not prematurely initiate vulcanization reactions during mixing, molding and other operation stages, effectively preventing scorch phenomenon and providing reliable protection for the production process.
In summary, n-cyclohexyl-2-benzothiazole sulfenamide plays a key role in the rubber industry and contributes significantly to improving the quality and production efficiency of rubber products. It is widely used in the production of tires, hoses, tapes, seals and many other rubber products.
What are the chemical properties of n-cyclohexyl-2-benzothiazolesulfenamid?
N-cyclohexyl-2-benzothiazole sulfenamide, an organic compound. Its color is light yellow to brown powder, odorless, slightly bitter taste.
This material has excellent vulcanization promotion effect and is widely used in the rubber industry. Its vulcanization starts slowly, the operation safety is very high, and the vulcanization rate is quite fast, which can significantly improve the physical and mechanical properties of rubber products.
When it comes to solubility, it is soluble in benzene, dichloromethane, carbon tetrachloride, acetone and other organic solvents, but it is difficult to dissolve in water.
In terms of stability, it is relatively stable under normal storage conditions, and will decompose in case of strong acid, strong alkali or high temperature.
In chemical reactions, the sub-sulfonamide group in the molecule of this substance is quite active and can react with the double bonds in the rubber molecule to achieve vulcanization and cross-linking of the rubber.
This compound also has certain effects on the human body. Although its toxicity is relatively low, skin contact with it or inhalation of its dust may still cause irritation, so appropriate protective measures should be taken during operation.
What are the precautions n-cyclohexyl-2-benzothiazolesulfenamid in the production process?
N-cyclohexyl-2-benzothiazole sulfenamide is an important accelerator for rubber vulcanization. During the production process, the following things should be paid attention to:
First, it is related to the ratio of materials. The dosage of this agent needs to be precisely controlled. If it is too much, the vulcanization speed will be too fast, which will easily cause the rubber to scorch and affect the product performance; if it is too little, the vulcanization speed will be slow and the production efficiency will be reduced. The dosage must be accurately calculated and adjusted according to the type of rubber, product requirements and the dosage of other compounding agents.
Second, the control of temperature is extremely critical. The vulcanization temperature has a great impact on its promotion effect. If the temperature is too high, the reaction will be violent, and it will easily cause scorch. If the temperature is too low The vulcanization temperature should be strictly controlled according to the characteristics of the vulcanization process and equipment to ensure that it is within a suitable range.
Third, the mixing process cannot be ignored. It is necessary to ensure that this agent is evenly mixed with rubber and other compounding agents, otherwise the local concentration is uneven, which will make the degree of vulcanization different and affect the product quality. When mixing, appropriate equipment and process parameters should be selected to ensure that the materials are fully mixed.
Fourth, safety protection is also a priority. During the production process, this agent may produce irritating odor or dust. Operators need to take protective measures, such as wearing masks, gloves, goggles, etc., to avoid direct contact and inhalation to prevent damage to the body.
Fifth, storage conditions are also paid attention to. It should be stored in a cool, dry, well-ventilated place, away from fire sources and oxidants, to prevent moisture, heat and deterioration, affecting its performance.
What is the market price of n-cyclohexyl-2-benzothiazolesulfenamid?
N-cyclohexyl-2-benzothiazolesulfenamid, that is, N-cyclohexyl-2-benzothiazole sulfenamide, is also a commonly used delay accelerator in the field of rubber additives. Its market price is actually determined by many factors.
The first to bear the brunt is the price of raw materials. The synthesis of this agent requires raw materials such as benzothiazole and cyclohexylamine. If its price rises, the production cost will increase, and the price of this agent will also rise. In the past, the supply of benzothiazole was tight, and the price rose significantly, causing the price of N-cyclohexyl-2-benzothiazole sulfenamide to also rise.
Furthermore, the market supply and demand is also the key. The rubber industry is booming, and the demand for rubber additives is strong, and the dosage of this agent is also increasing. If the automobile industry is booming, the demand for rubber from tire production has increased sharply, which has led to an increase in the demand for N-cyclohexyl-2-benzothiazole sulfenamide, and the price has also risen. On the contrary, if the rubber industry is sluggish and the demand decreases, the price may drop.
The progress of process technology also affects its price. If the new synthetic process can reduce the cost and yield, the product price may drop accordingly. In the past, new processes have been developed, optimizing the reaction conditions, improving the production efficiency, reducing the cost, and adjusting the market price.
Regional differences also affect the price. In different places, due to different transportation costs and market competition, the price is different. In areas with convenient transportation and intense competition, the price may be relatively low; in places with inconvenient transportation and few supplies, the price may be higher.
Overall, the market price of N-cyclohexyl-2-benzothiazole sulfenamide ranges from tens of thousands per ton to more than 100,000 per ton. It fluctuates in the state of intertwined factors, and the industry needs to constantly observe market changes in order to respond.
n-cyclohexyl-2-benzothiazolesulfenamid impact on the environment
N-cyclohexyl-2-benzothiazole sulfenamide is a vulcanization promoter commonly used in the rubber industry. Its impact on the environment cannot be ignored.
If this substance is released in the environment, it may be harmful to aquatic ecosystems. It may be refractory to degradation and accumulate in water bodies, causing aquatic organisms to be exposed to it. For fish and aquatic invertebrates, it may affect their growth, reproduction and behavior. If the physiological activities such as respiration and swimming of fish are disturbed, and it may be transmitted through the food chain, it will accumulate in high trophic organisms, endangering ecological balance.
In the soil environment, it may affect the soil microbial community. Soil microorganisms are essential for soil nutrient cycling and decomposition of organic matter. The existence of this substance may inhibit the growth and activity of some beneficial microorganisms, disrupt the normal function of soil ecosystem, and affect soil fertility and structure.
In the atmosphere, although its volatilization may be limited, it can also spread in a certain area through the atmosphere. Once it settles on the surface, it will have a secondary impact on environmental media such as soil and water bodies.
Therefore, during the production and use of N-cyclohexyl-2-benzothiazole sulfenamide, proper measures should be taken, such as optimizing the process to reduce emissions and strengthening waste treatment, in order to reduce its harm to the environment and maintain the tranquility of the ecological environment.