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[Chemical Knowledge]：What are the non-aromatic upstream raw materials and what are the downstream products?

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Non-aromatics plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are widely used. The following are some of the major non-aromatic upstream and downstream associated products:

1. Upstream products:

(1) Oil and gas: Non-aromatic hydrocarbons are mainly derived from the cracking and distillation processes of oil and gas.

(2) Coal: Through the process of coking and gasification of coal, some non-aromatic hydrocarbons can also be obtained.

(3) Ethylene, propylene and other olefins: olefins are obtained by naphtha cracking, ethane cracking, etc., and then further converted into non-aromatics.

2. Downstream products:

(1) Polyethylene (PE): Non-aromatic hydrocarbons such as ethylene and propylene can be used as monomers to generate polyethylene through polymerization, which is widely used in plastic products, packaging materials and other fields.

(2) Polypropylene (PP): Produced by propylene polymerization, with excellent chemical resistance and heat resistance, widely used in home appliances, automobiles, construction and other fields.

(3) Butadiene: Non-aromatic hydrocarbons can be obtained by cracking and dehydrogenation reactions, and further can produce synthetic rubber, nylon and other chemical products.

(4) Styrene: generated by the reaction of ethylene and benzene, widely used in the production of polystyrene, EPS and other plastic products, can also be used in the production of synthetic rubber, coatings and so on.

(5) ethylene propylene rubber: ethylene, propylene as the main raw material, generated by polymerization, widely used in tires, rubber hose, tape and other rubber products.

In short, non-aromatics play an important role in the field of chemical production raw materials, and its upstream and downstream related products are extensive, involving plastic products, rubber products, coatings, packaging materials and other fields.

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