About Polyol Production Line | JCT Machinery

1. Raw Material Reparation

Polyol production requires the use of propylene oxide, ethylene oxide and a variety of starters (such as glycerol, sucrose, ethylene glycol, etc.). The raw materials need to be proportiones through a precise metering system to ensure the quality and efficiency of the reaction.

2. Reactor Reaction

The raw materials are catalytically reacted under high temperature and high pressure conditions through a dedicated stainless steel reactor. The temperature, pressure, stirring speed and reaction time in the reactor need to be strictly controlled to ensure product quality. Usually this process uses a reactor with jacket heating or cooling function.

3. Catalyst Addition

During the reaction, a catalyst (such as an alkali metal catalyst or an organic amine) is added to accelerate the formation reaction of the polyol.

4. Neutralization and Cleaning

After the reaction, an acid is added to neutralize the catalyst residue and filtered to remove impurities. This process ensures the purity and stability of the final product.

5. Distillation and Degassing

By distillation equipment or degassing equipment, by-products such as water and unreacted raw materials generated in the reaction are separated and removed to ensure the quality of the polyol product.

6. Cooling and Storage

The cooled polyol product is transported to the storage tank, which is usually stored in a corrosion-resistant tank to prevent the product from deteriorating or being contaminated.

7. Finished Product Packaging

The polyol product is packaged in liquid or solid state according to customer requirements through an automated filling machine or packaging equipment.