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[Chemical Knowledge]：What are the upstream raw materials for heavy aromatics and what are the downstream products?

Read： 430 Time：13months ago Source：Transform the World with Simplicity

Heavy aromatics plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The upstream and downstream associated products of heavy aromatics are described in detail below.

upstream products:

1. Petroleum: heavy aromatics are mainly derived from the heavy fractions of petroleum, which are obtained through petroleum refining and cracking processes.
2. Coal tar: Coal tar also contains heavy aromatic components, which can be obtained through separation and purification processes.

downstream products:

1. Benzene, toluene, xylene (BTX): heavy aromatics can be separated and purified to further produce benzene, toluene, xylene and other important chemical raw materials, widely used in plastics, rubber, fiber, coatings and other fields.
2. carbon nine aromatics: carbon nine aromatics is a kind of heavy aromatics, mainly used in the production of petroleum resin, paint, ink and other products.
3. solvent oil: heavy aromatics can be used as solvents for the production of paint, ink, rubber and other products.
4. Plasticizers: Heavy aromatic hydrocarbons can be used as plasticizers in plastic processing to improve the flexibility and plasticity of plastics.
5. Asphalt: Heavy aromatics can also be used to produce asphalt for road construction and waterproofing materials.

To sum up, the upstream and downstream related products of heavy aromatics are very extensive, involving many fields, such as plastics, rubber, fibers, coatings, road construction, etc. With the continuous development of science and technology, the application field of heavy aromatics will continue to expand.

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