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[Chemical Knowledge]：The production and manufacturing method and process of PVC paste resin.

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Manufacturing method

of PVC paste resin PVC paste resin is an important raw material for chemical production, which is widely used in plastic processing, coatings, adhesives and other fields. This article will introduce the manufacturing method of PVC paste resin, including batching, mixing, pasting, drying, grinding and packaging processes.

1. ingredients

PVC paste resin is the main raw material of PVC resin, but also need to add stabilizers, plasticizers, fillers and other auxiliary materials. According to the requirements of the product, various raw materials should be added to the batching tank in a certain proportion.

2. mixing
After the
ingredients are completed, various raw materials need to be fully mixed to ensure the stability of product quality. The mixing process generally uses high-speed mixing or internal mixer and other equipment to mix the raw materials evenly.

3. gelatinization

after the completion of the mixing of the material needs to enter the gelatinization equipment for gelatinization. Pasting is to heat and melt the PVC resin in the ingredients, and at the same time add stabilizers and other auxiliary materials to form a paste with a certain viscosity and fluidity. The temperature and pressure of the gelatinization equipment need to be controlled within a certain range to ensure the quality and output of the product.

4. drying

After the completion of gelatinization, the paste needs to be dried to remove the water and volatile. Drying is generally used fluidized bed dryer or spray dryer and other equipment, the paste is dried to a certain humidity after the material.

5. Grinding

The dried material needs to be ground to obtain the required fineness of PVC paste resin. Grinding generally use ball mill, sand mill and other equipment, the material grinding to a certain degree of fineness after the material.

6. packaging

PVC paste resin after grinding needs to be packaged for storage and transportation. Packaging generally use plastic bags or paper bags and other packaging materials, the product is packaged for storage or delivery.

The above is the basic manufacturing method of PVC paste resin. The specific production process needs to be adjusted and optimized according to the requirements of the product and the actual situation of the equipment. At the same time, in order to ensure product quality and output, it is necessary to strictly control the process parameters and quality indicators of each link in the production process.

In short, the manufacturing method of PVC paste resin is a complex process that requires close cooperation and strict control of all links. Only by mastering the correct manufacturing method can we produce high-quality PVC paste resin products and contribute to the development of the chemical production field.

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