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

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Ethylene Glycol (EG) is an important organic chemical raw material, which is widely used in the production of various chemicals and polymers. In the field of raw materials for chemical production, there are many upstream and downstream related products of ethylene glycol. The following are some of the main upstream and downstream related products:

upstream related products:

1. Ethylene glycol: Ethylene glycol is produced by the ethylene oxidation method, so ethylene is the main raw material of ethylene glycol.
2. Oxygen: Ethylene glycol production process requires the use of oxygen as an oxidant.

Downstream Associated Products:

1. Polyester (PET): Ethylene glycol reacts with terephthalic acid (PTA) to produce polyester, which can be used to produce fibers, films and bottles.
2. Glyoxal: Ethylene glycol can be dehydrated to produce glyoxal under acidic conditions. Glyoxal is an important chemical raw material, which can be used in the production of drugs, spices and so on.
3. Ethylene glycol ether: Ethylene glycol can react with alcohols to form glycol ether, which is an excellent solvent and chemical intermediate.
4. Antifreeze: Ethylene glycol mixed with water can be used as an antifreeze for automobiles and other mechanical equipment to prevent the equipment from freezing at low temperatures.

In short, as an important organic chemical raw material, ethylene glycol has a wide range of upstream and downstream related products, involving many fields, such as polymers, solvents, pharmaceuticals, spices, etc.

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