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[Chemical Knowledge]：What are the upstream raw materials for coal-to-ethylene glycol? What are the downstream products?

Read： 528 Time：13months ago Source：Transform the World with Simplicity

glycol, an upstream and downstream related product
of coal-to-ethylene glycol, is an important organic chemical raw material, which is widely used in polyester fiber, antifreeze, unsaturated polyester resin and other fields. Coal-based ethylene glycol is a method of preparing ethylene glycol from synthesis gas using coal as raw material. In the production process of coal-to-ethylene glycol, there are more upstream and downstream related products, which will be described separately below.

Upstream Associated Products:

1. Coal: Coal is the main raw material of coal to ethylene glycol, which is prepared by gasification, purification, synthesis and other processes.

2. synthesis gas: synthesis gas is an important intermediate product of coal to ethylene glycol, which is mainly composed of hydrogen and carbon monoxide. ethylene glycol can be prepared by synthesis gas.

downstream related products:

1. Polyester fiber: Ethylene glycol is one of the important raw materials of polyester fiber. It reacts with terephthalic acid to produce polyester, and then undergoes spinning and other processes to make polyester fiber. Polyester fiber is widely used in textile, clothing and other fields.

2. Antifreeze: Ethylene glycol can be used as the main component of antifreeze. After mixing with water, the freezing point is significantly reduced, thereby playing an antifreeze effect.

3. unsaturated polyester resin: ethylene glycol can be used as one of the raw materials of unsaturated polyester resin, and unsaturated dibasic acid reaction to generate unsaturated polyester resin. Unsaturated polyester resin has excellent physical properties and chemical stability, and is widely used in FRP, coatings and other fields.

In summary, the upstream and downstream related products of coal-to-ethylene glycol are more extensive and involve many fields. With the continuous development and improvement of coal-to-ethylene glycol technology, its upstream and downstream related products will be further expanded and enriched.

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