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[Chemical Knowledge]：Production and manufacturing method and process flow of propyl butyl acrylate nitrile

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Butyl Acrylate Acrylonitrile (BAN) is an important chemical raw material, which is widely used in synthetic rubber, plastic, fiber and other fields. This article will introduce a method of manufacturing propyl butyl acrylate nitrile, which uses butyl acrylate and acrylonitrile as raw materials and is prepared by copolymerization.

1. raw materials to prepare

1. Butyl acrylate: Butyl acrylate is a colorless and transparent liquid with a pleasant smell. It is easily soluble in water, ethanol and ether and other organic solvents.
2. Acrylonitrile: Acrylonitrile is a colorless and transparent liquid with a pungent odor. It is insoluble in water, but easily soluble in organic solvents.

2. equipment preparation

1. polymerization kettle: equipment used for copolymerization, should have stirring, heating, cooling and other functions.
2. Transfer pump: used for conveying raw materials and products.
3. Storage tank: used to store raw materials and products.

3. manufacturing steps

1. feeding: butyl acrylate and acrylonitrile are added into a polymerization kettle according to a certain proportion.
2. Initiate the reaction: Add an initiator to start the polymerization reaction.
3. Control of the reaction temperature: The temperature of the polymerization reaction is controlled within a suitable range by the heating and cooling system.
4. Stirring: Through the stirring system, the raw materials are fully mixed and the reaction is uniform.
5. Post-treatment: After the reaction, post-treatment is carried out, including cooling, separation, purification and other steps, to obtain propyl butyl acrylate nitrile product.

4. precautions

1. Strictly control the proportion of raw materials and feeding sequence to ensure the smooth progress of the reaction.
2. Control the reaction temperature and time to prevent product quality problems.
3. In the post-treatment process, attention should be paid to the purity and yield of the product to improve production efficiency.

5. safety and environmental protection

1. During the manufacturing process, safety operation procedures should be strictly observed to prevent fires, explosions and other accidents.
2. The waste gas, waste water and other pollutants produced in the production process are effectively treated to meet the requirements of environmental protection.

6. quality control

1. Quality inspection of raw materials to ensure that the quality of raw materials meets the standard requirements.
2. Monitor the production process in real time, find and solve problems in time, and ensure stable product quality.
3. Quality inspection of products to ensure that products meet relevant standards and customer requirements.

In short, the manufacture of propyl butyl acrylate nitrile requires strict control of raw materials, equipment, manufacturing steps, precautions, safety and environmental protection, quality control, etc., to ensure product quality and production efficiency. At the same time, it is necessary to strengthen the safety management and environmental protection work in the production process to ensure the smooth progress of the production process.

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