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[Chemical Knowledge]：What are the upstream raw materials for diethylene glycol? What are the downstream products?

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Diethylene glycol (Diethylene Glycol, DEG) is an important organic chemical raw material, which is widely used in the production of various chemicals and polymers. In the field of chemical production raw materials, the upstream and downstream related products of diethylene glycol are very rich. This article will detail the upstream and downstream associated products of diethylene glycol.

1. Upstream Associated Products

1. Ethylene
Ethylene is one of the main raw materials of diethylene glycol, ethylene oxide is produced by ethylene oxidation, and then through the hydration reaction to produce diethylene glycol.

2. Ethylene oxide
Ethylene oxide is the direct raw material of diethylene glycol, through the reaction of ethylene oxide and water to generate diethylene glycol.

2. downstream associated products

1. Polymer monomer
diethylene glycol can be used as a raw material for polymer monomers, such as for the production of polyester, polyether, etc. These polymers are widely used in the fields of plastics, fibers, adhesives, etc.

2. solvent
diethylene glycol has good solubility and low toxicity, can be used as a solvent, such as for the production of inks, coatings, cleaning agents and other products.

3. Coolant
Diethylene glycol has a lower freezing point and a higher boiling point, and can be used as a coolant, such as automobile coolant, industrial coolant, etc.

4. surfactant
diethylene glycol can be used as a surfactant raw material for the production of detergents, emulsifiers, etc.

5. Other chemicals
Diethylene glycol can also be used to produce other chemicals, such as pharmaceutical intermediates, food additives, etc.

In short, diethylene glycol has a wide range of upstream and downstream related products in the field of chemical production raw materials, which plays an important role in promoting the development of the chemical industry.

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